%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : COM217_1 : TPTP v9.3.0. Released v9.3.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.Ephac1MvDe true
% Computer : n031.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Tue May 5 06:23:18 PM UTC 2026
% Result : Theorem 0.55s 0.80s
% Output : Refutation 0.55s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 8
% Syntax : Number of formulae : 20 ( 4 unt; 0 typ; 0 def)
% Number of atoms : 75 ( 36 equ; 0 cnn)
% Maximal formula atoms : 6 ( 3 avg)
% Number of connectives : 321 ( 37 ~; 36 |; 10 &; 229 @)
% ( 0 <=>; 5 =>; 4 <=; 0 <~>)
% Maximal formula depth : 13 ( 10 avg)
% Number of types : 4 ( 3 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 13 ( 11 usr; 8 con; 0-3 aty)
% Number of variables : 36 ( 0 ^; 36 !; 0 ?; 36 :)
% Comments :
%------------------------------------------------------------------------------
thf(vTerm_type,type,
vTerm: $tType ).
thf(vTy_type,type,
vTy: $tType ).
thf(vOptTerm_type,type,
vOptTerm: $tType ).
thf(vptchecksimple_type,type,
vptchecksimple: vTerm > vTy > $o ).
thf(sk__98_type,type,
sk__98: vTerm ).
thf(vt3_type,type,
vt3: vTerm ).
thf(vIfelse_type,type,
vIfelse: vTerm > vTerm > vTerm > vTerm ).
thf(vsomeTerm_type,type,
vsomeTerm: vTerm > vOptTerm ).
thf(vTrue_type,type,
vTrue: vTerm ).
thf(sk__97_type,type,
sk__97: vTy ).
thf(vFalse_type,type,
vFalse: vTerm ).
thf(vreduce_type,type,
vreduce: vTerm > vOptTerm ).
thf(vt1_type,type,
vt1: vTerm ).
thf(vt2_type,type,
vt2: vTerm ).
thf('Preservation-Ifelse',conjecture,
! [VT: vTy,Vtres: vTerm] :
( ( ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ VT )
& ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
= ( vsomeTerm @ Vtres ) ) )
=> ( vptchecksimple @ Vtres @ VT ) ) ).
thf(zf_stmt_0,negated_conjecture,
~ ! [VT: vTy,Vtres: vTerm] :
( ( ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ VT )
& ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
= ( vsomeTerm @ Vtres ) ) )
=> ( vptchecksimple @ Vtres @ VT ) ),
inference('cnf.neg',[status(esa)],[Preservation-Ifelse]) ).
thf(zip_derived_cl269,plain,
vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ sk__97,
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf('Preservation-Ifelse-False',axiom,
! [VT: vTy,Vtres: vTerm] :
( ( ( vt1 != vTrue )
& ( vt1 = vFalse )
& ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ VT )
& ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
= ( vsomeTerm @ Vtres ) ) )
=> ( vptchecksimple @ Vtres @ VT ) ) ).
thf(zip_derived_cl262,plain,
! [X0: vTy,X1: vTerm] :
( ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( vt1 != vFalse )
| ( vt1 = vTrue )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) )
| ( vptchecksimple @ X1 @ X0 ) ),
inference(cnf,[status(esa)],[Preservation-Ifelse-False]) ).
thf(zip_derived_cl270,plain,
( ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) )
<= ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) ) ),
inference(split,[status(esa)],[zip_derived_cl262]) ).
thf(zip_derived_cl324,plain,
( ! [X0: vTerm] :
( ( vptchecksimple @ X0 @ sk__97 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X0 ) ) )
<= ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl269,zip_derived_cl270]) ).
thf(zip_derived_cl268,plain,
( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
= ( vsomeTerm @ sk__98 ) ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl328,plain,
( ! [X0: vTerm] :
( ( vptchecksimple @ X0 @ sk__97 )
| ( ( vsomeTerm @ sk__98 )
!= ( vsomeTerm @ X0 ) ) )
<= ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) ) ),
inference(demod,[status(thm)],[zip_derived_cl324,zip_derived_cl268]) ).
thf(zip_derived_cl267,plain,
~ ( vptchecksimple @ sk__98 @ sk__97 ),
inference(cnf,[status(esa)],[zf_stmt_0]) ).
thf(zip_derived_cl346,plain,
( ( ( vsomeTerm @ sk__98 )
!= ( vsomeTerm @ sk__98 ) )
<= ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) ) ),
inference('s_sup-',[status(thm)],[zip_derived_cl328,zip_derived_cl267]) ).
thf('0',plain,
~ ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) ),
inference(simplify,[status(thm)],[zip_derived_cl346]) ).
thf('Preservation-Ifelse-True',axiom,
! [VT: vTy,Vtres: vTerm] :
( ( ( vt1 = vTrue )
& ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ VT )
& ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
= ( vsomeTerm @ Vtres ) ) )
=> ( vptchecksimple @ Vtres @ VT ) ) ).
thf(zip_derived_cl265,plain,
! [X0: vTy,X1: vTerm] :
( ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( vt1 != vTrue )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) )
| ( vptchecksimple @ X1 @ X0 ) ),
inference(cnf,[status(esa)],[Preservation-Ifelse-True]) ).
thf('1',plain,
( ( vt1 != vTrue )
| ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) ) ),
inference(split,[status(esa)],[zip_derived_cl265]) ).
thf('2',plain,
( ( vt1 != vFalse )
| ( vt1 = vTrue )
| ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) ) ),
inference(split,[status(esa)],[zip_derived_cl262]) ).
thf('Preservation-Ifelse-t1',axiom,
! [VT: vTy,Vtres: vTerm] :
( ( ( vt1 != vTrue )
& ( vt1 != vFalse )
& ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ VT )
& ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
= ( vsomeTerm @ Vtres ) ) )
=> ( vptchecksimple @ Vtres @ VT ) ) ).
thf(zip_derived_cl266,plain,
! [X0: vTy,X1: vTerm] :
( ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( vt1 = vFalse )
| ( vt1 = vTrue )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) )
| ( vptchecksimple @ X1 @ X0 ) ),
inference(cnf,[status(esa)],[Preservation-Ifelse-t1]) ).
thf('3',plain,
( ( vt1 = vFalse )
| ( vt1 = vTrue )
| ! [X0: vTy,X1: vTerm] :
( ( vptchecksimple @ X1 @ X0 )
| ~ ( vptchecksimple @ ( vIfelse @ vt1 @ vt2 @ vt3 ) @ X0 )
| ( ( vreduce @ ( vIfelse @ vt1 @ vt2 @ vt3 ) )
!= ( vsomeTerm @ X1 ) ) ) ),
inference(split,[status(esa)],[zip_derived_cl266]) ).
thf(zip_derived_cl351,plain,
$false,
inference('sat_resolution*',[status(thm)],['0','1','2','3']) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : COM217_1 : TPTP v9.3.0. Released v9.3.0.
% 0.12/0.13 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.Ephac1MvDe true
% 0.16/0.34 % Computer : n031.cluster.edu
% 0.16/0.34 % Model : x86_64 x86_64
% 0.16/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.34 % Memory : 8042.1875MB
% 0.16/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.16/0.34 % CPULimit : 300
% 0.16/0.34 % WCLimit : 300
% 0.16/0.34 % DateTime : Mon May 4 19:01:23 EDT 2026
% 0.16/0.34 % CPUTime :
% 0.16/0.34 % Running portfolio for 300 s
% 0.16/0.34 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.16/0.34 % Number of cores: 8
% 0.16/0.35 % Python version: Python 3.6.8
% 0.16/0.35 % Running in FO mode
% 0.54/0.63 % Total configuration time : 435
% 0.54/0.63 % Estimated wc time : 1092
% 0.54/0.63 % Estimated cpu time (7 cpus) : 156.0
% 0.54/0.70 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.54/0.71 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.54/0.74 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.54/0.76 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.54/0.76 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.54/0.76 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.54/0.76 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.55/0.80 % Solved by fo/fo1_av.sh.
% 0.55/0.80 % done 63 iterations in 0.046s
% 0.55/0.80 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.55/0.80 % SZS output start Refutation
% See solution above
% 0.55/0.80
% 0.55/0.80
% 0.55/0.80 % Terminating...
% 0.55/0.85 % Runner terminated.
% 0.55/0.86 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------