0.00/0.00	% File    : /export/starexec/sandbox/benchmark/theBenchmark.p
0.00/0.00	% app-encoded or not : original
0.00/0.00	% Variant    : purification_ext
0.00/0.00	% Ordering    : rpo6
0.00/0.00	% Command    : 
0.00/0.00	#!/bin/sh
0.00/0.00	
0.00/0.00	./zipperposition.native ${1:+"$1"} \
0.00/0.00	  -i tptp \
0.00/0.00	  -o tptp \
0.00/0.00	  --timeout "$STAREXEC_WALLCLOCK_LIMIT" \
0.00/0.00	  --mem-limit "$STAREXEC_MAX_MEM" \
0.00/0.00	  --no-avatar \
0.00/0.00	  --ho \
0.00/0.00	  --force-ho \
0.00/0.00	  --no-ho-elim-pred-var \
0.00/0.00	  --ho-general-ext-pos \
0.00/0.00	  --no-ho-unif \
0.00/0.00	  --no-induction \
0.00/0.00	  --no-unif-pattern \
0.00/0.00	  --ord $2  \
0.00/0.00	  --simultaneous-sup false \
0.00/0.00	  --ho-purify ext \
0.00/0.00	  --ho-ext-axiom \
0.00/0.00	  --restrict-hidden-sup-at-vars \
0.00/0.00	  --ho-prim-enum none \
0.00/0.00	  --no-max-vars \
0.00/0.00	  --dont-select-ho-var-lits \
0.00/0.00	  --no-fool
0.00/0.19	% Computer   : n097.star.cs.uiowa.edu
0.00/0.19	% Model      : x86_64 x86_64
0.00/0.19	% CPU        : Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz
0.00/0.19	% Memory     : 32218.625MB
0.00/0.19	% OS         : Linux 3.10.0-693.2.2.el7.x86_64
0.00/0.19	% CPULimit   : 300
0.00/0.19	% DateTime   : Fri Feb  2 09:27:53 CST 2018
28.82/29.01	% done 9535 iterations in 28.814s
28.82/29.01	% SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
28.82/29.01	% SZS output start Refutation
28.82/29.01	tff(fact_8_constant, axiom,
28.82/29.01	  (![Ga:fun_Ho287446294a_bool,Pa:fun_a_fun_state_bool,Ca:com,
28.82/29.01	     Q_1:fun_a_fun_state_bool,C:bool]:
28.82/29.01	     ((hBOOL(C) =>
28.82/29.01	       hBOOL(hAPP_f2063540982l_bool(hoare_1546678894rivs_a(Ga),
28.82/29.01	                                    hAPP_f909437487a_bool(hAPP_H762155206a_bool(
28.82/29.01	                                                          insert1051021594iple_a,
28.82/29.01	                                                          hoare_196563068iple_a(
28.82/29.01	                                                          Pa,Ca,Q_1)),
28.82/29.01	                                                          bot_bo1766443648a_bool)))) =>
28.82/29.01	      hBOOL(hAPP_f2063540982l_bool(hoare_1546678894rivs_a(Ga),
28.82/29.01	                                   hAPP_f909437487a_bool(hAPP_H762155206a_bool(
28.82/29.01	                                                         insert1051021594iple_a,
28.82/29.01	                                                         hoare_196563068iple_a(
28.82/29.01	                                                         hAPP_b540892988e_bool(
28.82/29.01	                                                         hAPP_f1824947087e_bool(
28.82/29.01	                                                         cOMBC_41962815e_bool,
28.82/29.01	                                                         hAPP_f340725611e_bool(
28.82/29.01	                                                         hAPP_f1006724181e_bool(
28.82/29.01	                                                         cOMBB_1348041619bool_a,
28.82/29.01	                                                         cOMBC_231445413l_bool),
28.82/29.01	                                                         hAPP_f1509969235l_bool(
28.82/29.01	                                                         hAPP_f1178339559l_bool(
28.82/29.01	                                                         cOMBB_1355796797bool_a,
28.82/29.01	                                                         hAPP_f1561913689l_bool(
28.82/29.01	                                                         cOMBB_188601460_state,
28.82/29.01	                                                         fconj)),Pa))),C),Ca,
28.82/29.01	                                                         Q_1)),
28.82/29.01	                                                         bot_bo1766443648a_bool)))))).
28.82/29.01	tff('0', plain,
28.82/29.01	    ![X28 : fun_Ho287446294a_bool, X29 : fun_a_fun_state_bool, X30 : bool, 
28.82/29.01	      X31 : com, X32 : fun_a_fun_state_bool]:
28.82/29.01	      (hBOOL(
28.82/29.01	         hAPP_f2063540982l_bool(hoare_1546678894rivs_a(X28), 
28.82/29.01	           hAPP_f909437487a_bool(
28.82/29.01	             hAPP_H762155206a_bool(insert1051021594iple_a, 
28.82/29.01	               hoare_196563068iple_a(
28.82/29.01	                 hAPP_b540892988e_bool(
28.82/29.01	                   hAPP_f1824947087e_bool(cOMBC_41962815e_bool, 
28.82/29.01	                     hAPP_f340725611e_bool(
28.82/29.01	                       hAPP_f1006724181e_bool(cOMBB_1348041619bool_a, 
28.82/29.01	                         cOMBC_231445413l_bool), 
28.82/29.01	                       hAPP_f1509969235l_bool(
28.82/29.01	                         hAPP_f1178339559l_bool(cOMBB_1355796797bool_a, 
28.82/29.01	                           hAPP_f1561913689l_bool(cOMBB_188601460_state, 
28.82/29.01	                             fconj)), X29))), X30), X31, X32)), 
28.82/29.01	             bot_bo1766443648a_bool)))
28.82/29.01	       | hBOOL(X30)),
28.82/29.01	    inference('cnf', [status(esa)], [fact_8_constant])).
28.82/29.01	tff(fact_14_conseq1, axiom,
28.82/29.01	  (![Pa:fun_a_fun_state_bool,Ga:fun_Ho287446294a_bool,
28.82/29.01	     P_2:fun_a_fun_state_bool,Ca:com,Q_1:fun_a_fun_state_bool]:
28.82/29.01	     (hBOOL(hAPP_f2063540982l_bool(hoare_1546678894rivs_a(Ga),
28.82/29.01	                                   hAPP_f909437487a_bool(hAPP_H762155206a_bool(
28.82/29.01	                                                         insert1051021594iple_a,
28.82/29.01	                                                         hoare_196563068iple_a(
28.82/29.01	                                                         P_2,Ca,Q_1)),
28.82/29.01	                                                         bot_bo1766443648a_bool))) =>
28.82/29.01	      ((![Z_7:x_a,S_2:state]:
28.82/29.01	          (hBOOL(hAPP_state_bool(hAPP_a2036067514e_bool(Pa,Z_7),S_2)) =>
28.82/29.01	           hBOOL(hAPP_state_bool(hAPP_a2036067514e_bool(P_2,Z_7),S_2)))) =>
28.82/29.01	       hBOOL(hAPP_f2063540982l_bool(hoare_1546678894rivs_a(Ga),
28.82/29.01	                                    hAPP_f909437487a_bool(hAPP_H762155206a_bool(
28.82/29.01	                                                          insert1051021594iple_a,
28.82/29.01	                                                          hoare_196563068iple_a(
28.82/29.01	                                                          Pa,Ca,Q_1)),
28.82/29.01	                                                          bot_bo1766443648a_bool))))))).
28.82/29.01	tff('1', plain,
28.82/29.01	    ![X56 : fun_a_fun_state_bool, X57 : fun_a_fun_state_bool, 
28.82/29.01	      X58 : fun_Ho287446294a_bool, X59 : com, X60 : fun_a_fun_state_bool]:
28.82/29.01	      (hBOOL(
28.82/29.01	         hAPP_state_bool(hAPP_a2036067514e_bool(X57, sk_Z_74(X56, X57)), 
28.82/29.01	           sk_S_24(X56, X57)))
28.82/29.01	       | ~ hBOOL(
28.82/29.01	             hAPP_f2063540982l_bool(hoare_1546678894rivs_a(X58), 
28.82/29.01	               hAPP_f909437487a_bool(
28.82/29.01	                 hAPP_H762155206a_bool(insert1051021594iple_a, 
28.82/29.01	                   hoare_196563068iple_a(X56, X59, X60)), 
28.82/29.01	                 bot_bo1766443648a_bool)))
28.82/29.01	       | hBOOL(
28.82/29.01	           hAPP_f2063540982l_bool(hoare_1546678894rivs_a(X58), 
28.82/29.01	             hAPP_f909437487a_bool(
28.82/29.01	               hAPP_H762155206a_bool(insert1051021594iple_a, 
28.82/29.01	                 hoare_196563068iple_a(X57, X59, X60)), 
28.82/29.01	               bot_bo1766443648a_bool)))),
28.82/29.01	    inference('cnf', [status(esa)], [fact_14_conseq1])).
28.82/29.01	tff('2', plain,
28.82/29.01	    ![X0 : fun_a_fun_state_bool, X1 : com, X2 : bool, 
28.82/29.01	      X3 : fun_a_fun_state_bool, X4 : fun_Ho287446294a_bool, 
28.82/29.01	      X5 : fun_a_fun_state_bool]:
28.82/29.01	      (~ $true
28.82/29.01	       | hBOOL(X2)
28.82/29.01	       | hBOOL(
28.82/29.01	           hAPP_f2063540982l_bool(hoare_1546678894rivs_a(X4), 
28.82/29.01	             hAPP_f909437487a_bool(
28.82/29.01	               hAPP_H762155206a_bool(insert1051021594iple_a, 
28.82/29.01	                 hoare_196563068iple_a(X5, X1, X0)), bot_bo1766443648a_bool)))
28.82/29.01	       | hBOOL(
28.82/29.01	           hAPP_state_bool(
28.82/29.01	             hAPP_a2036067514e_bool(X5, 
28.82/29.01	               sk_Z_74(
28.82/29.01	                 hAPP_b540892988e_bool(
28.82/29.01	                   hAPP_f1824947087e_bool(cOMBC_41962815e_bool, 
28.82/29.01	                     hAPP_f340725611e_bool(
28.82/29.01	                       hAPP_f1006724181e_bool(cOMBB_1348041619bool_a, 
28.82/29.01	                         cOMBC_231445413l_bool), 
28.82/29.01	                       hAPP_f1509969235l_bool(
28.82/29.01	                         hAPP_f1178339559l_bool(cOMBB_1355796797bool_a, 
28.82/29.01	                           hAPP_f1561913689l_bool(cOMBB_188601460_state, 
28.82/29.01	                             fconj)), X3))), X2), X5)), 
28.82/29.01	             sk_S_24(
28.82/29.01	               hAPP_b540892988e_bool(
28.82/29.01	                 hAPP_f1824947087e_bool(cOMBC_41962815e_bool, 
28.82/29.01	                   hAPP_f340725611e_bool(
28.82/29.01	                     hAPP_f1006724181e_bool(cOMBB_1348041619bool_a, 
28.82/29.01	                       cOMBC_231445413l_bool), 
28.82/29.01	                     hAPP_f1509969235l_bool(
28.82/29.01	                       hAPP_f1178339559l_bool(cOMBB_1355796797bool_a, 
28.82/29.01	                         hAPP_f1561913689l_bool(cOMBB_188601460_state, fconj)), 
28.82/29.01	                       X3))), X2), X5)))),
28.82/29.01	    inference('sup-', [status(thm)], ['0', '1'])).
28.82/29.01	tff('3', plain,
28.82/29.01	    ![X0 : fun_a_fun_state_bool, X1 : com, X2 : bool, 
28.82/29.01	      X3 : fun_a_fun_state_bool, X4 : fun_Ho287446294a_bool, 
28.82/29.01	      X5 : fun_a_fun_state_bool]:
28.82/29.01	      (hBOOL(
28.82/29.01	         hAPP_state_bool(
28.82/29.01	           hAPP_a2036067514e_bool(X5, 
28.82/29.01	             sk_Z_74(
28.82/29.01	               hAPP_b540892988e_bool(
28.82/29.01	                 hAPP_f1824947087e_bool(cOMBC_41962815e_bool, 
28.82/29.01	                   hAPP_f340725611e_bool(
28.82/29.01	                     hAPP_f1006724181e_bool(cOMBB_1348041619bool_a, 
28.82/29.01	                       cOMBC_231445413l_bool), 
28.82/29.01	                     hAPP_f1509969235l_bool(
28.82/29.01	                       hAPP_f1178339559l_bool(cOMBB_1355796797bool_a, 
28.82/29.01	                         hAPP_f1561913689l_bool(cOMBB_188601460_state, fconj)), 
28.82/29.01	                       X3))), X2), X5)), 
28.82/29.01	           sk_S_24(
28.82/29.01	             hAPP_b540892988e_bool(
28.82/29.01	               hAPP_f1824947087e_bool(cOMBC_41962815e_bool, 
28.82/29.01	                 hAPP_f340725611e_bool(
28.82/29.01	                   hAPP_f1006724181e_bool(cOMBB_1348041619bool_a, 
28.82/29.01	                     cOMBC_231445413l_bool), 
28.82/29.01	                   hAPP_f1509969235l_bool(
28.82/29.01	                     hAPP_f1178339559l_bool(cOMBB_1355796797bool_a, 
28.82/29.01	                       hAPP_f1561913689l_bool(cOMBB_188601460_state, fconj)), 
28.82/29.01	                     X3))), X2), X5)))
28.82/29.01	       | hBOOL(
28.82/29.01	           hAPP_f2063540982l_bool(hoare_1546678894rivs_a(X4), 
28.82/29.01	             hAPP_f909437487a_bool(
28.82/29.01	               hAPP_H762155206a_bool(insert1051021594iple_a, 
28.82/29.01	                 hoare_196563068iple_a(X5, X1, X0)), bot_bo1766443648a_bool)))
28.82/29.01	       | hBOOL(X2)),
28.82/29.01	    inference('simplify', [status(thm)], ['2'])).
28.82/29.01	tff(conj_0, conjecture,
28.82/29.01	  (hBOOL(hAPP_f2063540982l_bool(hoare_1546678894rivs_a(g),
28.82/29.01	                                hAPP_f909437487a_bool(hAPP_H762155206a_bool(
28.82/29.01	                                                      insert1051021594iple_a,
28.82/29.01	                                                      hoare_196563068iple_a(
28.82/29.01	                                                      hAPP_f762886889e_bool(
28.82/29.01	                                                      cOMBK_1458035955bool_a,
28.82/29.01	                                                      hAPP_b2019457360e_bool(
28.82/29.01	                                                      cOMBK_bool_state,fFalse)),
28.82/29.01	                                                      c,
28.82/29.01	                                                      hAPP_f762886889e_bool(
28.82/29.01	                                                      hAPP_f1261923407e_bool(
28.82/29.01	                                                      cOMBC_892787026e_bool,
28.82/29.01	                                                      hAPP_f963367678e_bool(
28.82/29.01	                                                      hAPP_f375255701e_bool(
28.82/29.01	                                                      cOMBB_145932198bool_a,
28.82/29.01	                                                      cOMBS_1378840469l_bool),
28.82/29.01	                                                      hAPP_f1509969235l_bool(
28.82/29.01	                                                      hAPP_f1178339559l_bool(
28.82/29.01	                                                      cOMBB_1355796797bool_a,
28.82/29.01	                                                      hAPP_f1561913689l_bool(
28.82/29.01	                                                      cOMBB_188601460_state,
28.82/29.01	                                                      fconj)),p))),
28.82/29.01	                                                      hAPP_f1759915619e_bool(
28.82/29.01	                                                      hAPP_f2073279419e_bool(
28.82/29.01	                                                      cOMBB_160679318_state,
28.82/29.01	                                                      fNot),b)))),
28.82/29.01	                                                      bot_bo1766443648a_bool))))).
28.82/29.01	tff(zf_stmt_0, negated_conjecture,
28.82/29.01	  (~
28.82/29.01	    hBOOL(hAPP_f2063540982l_bool(hoare_1546678894rivs_a(g),
28.82/29.01	                                 hAPP_f909437487a_bool(hAPP_H762155206a_bool(
28.82/29.01	                                                       insert1051021594iple_a,
28.82/29.01	                                                       hoare_196563068iple_a(
28.82/29.01	                                                       hAPP_f762886889e_bool(
28.82/29.01	                                                       cOMBK_1458035955bool_a,
28.82/29.01	                                                       hAPP_b2019457360e_bool(
28.82/29.01	                                                       cOMBK_bool_state,
28.82/29.01	                                                       fFalse)),c,
28.82/29.01	                                                       hAPP_f762886889e_bool(
28.82/29.01	                                                       hAPP_f1261923407e_bool(
28.82/29.01	                                                       cOMBC_892787026e_bool,
28.82/29.01	                                                       hAPP_f963367678e_bool(
28.82/29.01	                                                       hAPP_f375255701e_bool(
28.82/29.01	                                                       cOMBB_145932198bool_a,
28.82/29.01	                                                       cOMBS_1378840469l_bool),
28.82/29.01	                                                       hAPP_f1509969235l_bool(
28.82/29.01	                                                       hAPP_f1178339559l_bool(
28.82/29.01	                                                       cOMBB_1355796797bool_a,
28.82/29.01	                                                       hAPP_f1561913689l_bool(
28.82/29.01	                                                       cOMBB_188601460_state,
28.82/29.01	                                                       fconj)),p))),
28.82/29.01	                                                       hAPP_f1759915619e_bool(
28.82/29.01	                                                       hAPP_f2073279419e_bool(
28.82/29.01	                                                       cOMBB_160679318_state,
28.82/29.01	                                                       fNot),b)))),
28.82/29.01	                                                       bot_bo1766443648a_bool))))).
28.82/29.01	tff('4', plain,
28.82/29.01	    ~ hBOOL(
28.82/29.01	        hAPP_f2063540982l_bool(hoare_1546678894rivs_a(g), 
28.82/29.01	          hAPP_f909437487a_bool(
28.82/29.01	            hAPP_H762155206a_bool(insert1051021594iple_a, 
28.82/29.01	              hoare_196563068iple_a(
28.82/29.01	                hAPP_f762886889e_bool(cOMBK_1458035955bool_a, 
28.82/29.01	                  hAPP_b2019457360e_bool(cOMBK_bool_state, fFalse)), c, 
28.82/29.01	                hAPP_f762886889e_bool(
28.82/29.01	                  hAPP_f1261923407e_bool(cOMBC_892787026e_bool, 
28.82/29.01	                    hAPP_f963367678e_bool(
28.82/29.01	                      hAPP_f375255701e_bool(cOMBB_145932198bool_a, 
28.82/29.01	                        cOMBS_1378840469l_bool), 
28.82/29.01	                      hAPP_f1509969235l_bool(
28.82/29.01	                        hAPP_f1178339559l_bool(cOMBB_1355796797bool_a, 
28.82/29.01	                          hAPP_f1561913689l_bool(cOMBB_188601460_state, 
28.82/29.01	                            fconj)), p))), 
28.82/29.01	                  hAPP_f1759915619e_bool(
28.82/29.01	                    hAPP_f2073279419e_bool(cOMBB_160679318_state, fNot), b)))), 
28.82/29.01	            bot_bo1766443648a_bool))),
28.82/29.01	    inference('cnf', [status(esa)], [zf_stmt_0])).
28.82/29.01	tff('5', plain,
28.82/29.01	    ![X0 : bool, X1 : fun_a_fun_state_bool]:
28.82/29.01	      (~ $true
28.82/29.01	       | hBOOL(X0)
28.82/29.01	       | hBOOL(
28.82/29.01	           hAPP_state_bool(
28.82/29.01	             hAPP_a2036067514e_bool(
28.82/29.01	               hAPP_f762886889e_bool(cOMBK_1458035955bool_a, 
28.82/29.01	                 hAPP_b2019457360e_bool(cOMBK_bool_state, fFalse)), 
28.82/29.01	               sk_Z_74(
28.82/29.01	                 hAPP_b540892988e_bool(
28.82/29.01	                   hAPP_f1824947087e_bool(cOMBC_41962815e_bool, 
28.82/29.01	                     hAPP_f340725611e_bool(
28.82/29.01	                       hAPP_f1006724181e_bool(cOMBB_1348041619bool_a, 
28.82/29.01	                         cOMBC_231445413l_bool), 
28.82/29.01	                       hAPP_f1509969235l_bool(
28.82/29.01	                         hAPP_f1178339559l_bool(cOMBB_1355796797bool_a, 
28.82/29.01	                           hAPP_f1561913689l_bool(cOMBB_188601460_state, 
28.82/29.01	                             fconj)), X1))), X0), 
28.82/29.01	                 hAPP_f762886889e_bool(cOMBK_1458035955bool_a, 
28.82/29.01	                   hAPP_b2019457360e_bool(cOMBK_bool_state, fFalse)))), 
28.82/29.01	             sk_S_24(
28.82/29.01	               hAPP_b540892988e_bool(
28.82/29.01	                 hAPP_f1824947087e_bool(cOMBC_41962815e_bool, 
28.82/29.01	                   hAPP_f340725611e_bool(
28.82/29.01	                     hAPP_f1006724181e_bool(cOMBB_1348041619bool_a, 
28.82/29.01	                       cOMBC_231445413l_bool), 
28.82/29.01	                     hAPP_f1509969235l_bool(
28.82/29.01	                       hAPP_f1178339559l_bool(cOMBB_1355796797bool_a, 
28.82/29.01	                         hAPP_f1561913689l_bool(cOMBB_188601460_state, fconj)), 
28.82/29.01	                       X1))), X0), 
28.82/29.01	               hAPP_f762886889e_bool(cOMBK_1458035955bool_a, 
28.82/29.01	                 hAPP_b2019457360e_bool(cOMBK_bool_state, fFalse)))))),
28.82/29.01	    inference('sup-', [status(thm)], ['3', '4'])).
28.82/29.01	tff(help_COMBK_1_1_COMBK_000tc__fun_Itc__Com__Ostate_Mtc__HOL__Obool_J_000t__a_U, axiom,
28.82/29.01	  (![P:fun_state_bool,Q:x_a]:
28.82/29.01	     (hAPP_a2036067514e_bool(hAPP_f762886889e_bool(cOMBK_1458035955bool_a,P),
28.82/29.01	                             Q) =
28.82/29.01	      P))).
28.82/29.01	tff('6', plain,
28.82/29.01	    ![X2018 : fun_state_bool, X2019 : x_a]:
28.82/29.01	      hAPP_a2036067514e_bool(
28.82/29.01	        hAPP_f762886889e_bool(cOMBK_1458035955bool_a, X2018), X2019)
28.82/29.01	       = X2018,
28.82/29.01	    inference('cnf', [status(esa)],
28.82/29.01	              [help_COMBK_1_1_COMBK_000tc__fun_Itc__Com__Ostate_Mtc__HOL__Obool_J_000t__a_U])).
28.82/29.01	tff(help_COMBK_1_1_COMBK_000tc__HOL__Obool_000tc__Com__Ostate_U, axiom,
28.82/29.01	  (![P:bool,Q:state]:
28.82/29.01	     (hAPP_state_bool(hAPP_b2019457360e_bool(cOMBK_bool_state,P),Q) = P))).
28.82/29.01	tff('7', plain,
28.82/29.01	    ![X2003 : bool, X2004 : state]:
28.82/29.01	      hAPP_state_bool(hAPP_b2019457360e_bool(cOMBK_bool_state, X2003), X2004)
28.82/29.01	       = X2003,
28.82/29.01	    inference('cnf', [status(esa)],
28.82/29.01	              [help_COMBK_1_1_COMBK_000tc__HOL__Obool_000tc__Com__Ostate_U])).
28.82/29.01	tff('8', plain, ![X0 : bool]: (~ $true | hBOOL(X0) | hBOOL(fFalse)),
28.82/29.01	    inference('demod', [status(thm)], ['5', '6', '7'])).
28.82/29.01	tff('9', plain, ![X0 : bool]: (hBOOL(fFalse) | hBOOL(X0)),
28.82/29.01	    inference('simplify', [status(thm)], ['8'])).
28.82/29.01	tff('10', plain, hBOOL(fFalse),
28.82/29.01	    inference('condensation', [status(thm)], ['9'])).
28.82/29.01	tff(help_fFalse_1_1_U, axiom, (~hBOOL(fFalse))).
28.82/29.01	tff('11', plain, ~ hBOOL(fFalse),
28.82/29.01	    inference('cnf', [status(esa)], [help_fFalse_1_1_U])).
28.82/29.01	tff('12', plain, ~ $true, inference('sup-', [status(thm)], ['10', '11'])).
28.82/29.01	tff('13', plain, $false, inference('simplify', [status(thm)], ['12'])).
28.82/29.01	
28.82/29.01	% SZS output end Refutation
28.82/29.02	EOF
