%------------------------------------------------------------------------------
% File : LEO-II---2.3.1
% Problem : SEV043^5 : TPTP v9.3.1. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n005.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Wed Oct 7 10:49:25 AM UTC 2026
% Result : Theorem 0.09s 0.21s
% Output : CNFRefutation 0.09s
% Verified :
% SZS Type : Refutation
% Derivation depth : 17
% Number of leaves : 1
% Syntax : Number of formulae : 35 ( 26 unt; 0 typ; 0 def)
% Number of atoms : 164 ( 44 equ; 0 cnn)
% Maximal formula atoms : 3 ( 4 avg)
% Number of connectives : 292 ( 40 ~; 29 |; 10 &; 190 @)
% ( 0 <=>; 23 =>; 0 <=; 0 <~>)
% Maximal formula depth : 11 ( 2 avg)
% Number of types : 2 ( 1 usr)
% Number of type conns : 6 ( 6 >; 0 *; 0 +; 0 <<)
% Number of symbols : 6 ( 3 usr; 4 con; 0-2 aty)
% Number of variables : 92 ( 0 ^; 92 !; 0 ?; 92 :)
% Comments :
%------------------------------------------------------------------------------
thf(tp_a,type,
a: $tType ).
thf(tp_sK1_Xp,type,
sK1_Xp: a > a > $o ).
thf(tp_sK2_SX0,type,
sK2_SX0: a ).
thf(tp_sK3_SY19,type,
sK3_SY19: a ).
thf(1,conjecture,
! [Xp: a > a > $o] :
( ( ! [Xx: a,Xy: a] :
( ( Xp @ Xx @ Xy )
=> ( Xp @ Xy @ Xx ) )
& ! [Xx: a,Xy: a,Xz: a] :
( ( ( Xp @ Xx @ Xy )
& ( Xp @ Xy @ Xz ) )
=> ( Xp @ Xx @ Xz ) ) )
=> ! [Xx: a,Xy: a] :
( ( Xp @ Xx @ Xy )
=> ( Xp @ Xx @ Xx ) ) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cTHM510_pme) ).
thf(2,negated_conjecture,
( ( ! [Xp: a > a > $o] :
( ( ! [Xx: a,Xy: a] :
( ( Xp @ Xx @ Xy )
=> ( Xp @ Xy @ Xx ) )
& ! [Xx: a,Xy: a,Xz: a] :
( ( ( Xp @ Xx @ Xy )
& ( Xp @ Xy @ Xz ) )
=> ( Xp @ Xx @ Xz ) ) )
=> ! [Xx: a,Xy: a] :
( ( Xp @ Xx @ Xy )
=> ( Xp @ Xx @ Xx ) ) ) )
= $false ),
inference(negate_conjecture,[status(cth)],[1]) ).
thf(3,plain,
( ( ! [Xp: a > a > $o] :
( ( ! [Xx: a,Xy: a] :
( ( Xp @ Xx @ Xy )
=> ( Xp @ Xy @ Xx ) )
& ! [Xx: a,Xy: a,Xz: a] :
( ( ( Xp @ Xx @ Xy )
& ( Xp @ Xy @ Xz ) )
=> ( Xp @ Xx @ Xz ) ) )
=> ! [Xx: a,Xy: a] :
( ( Xp @ Xx @ Xy )
=> ( Xp @ Xx @ Xx ) ) ) )
= $false ),
inference(unfold_def,[status(thm)],[2]) ).
thf(4,plain,
( ( ( ! [SY8: a,SY9: a] :
( ( sK1_Xp @ SY8 @ SY9 )
=> ( sK1_Xp @ SY9 @ SY8 ) )
& ! [SY10: a,SY11: a,SY12: a] :
( ( ( sK1_Xp @ SY10 @ SY11 )
& ( sK1_Xp @ SY11 @ SY12 ) )
=> ( sK1_Xp @ SY10 @ SY12 ) ) )
=> ! [SY13: a,SY14: a] :
( ( sK1_Xp @ SY13 @ SY14 )
=> ( sK1_Xp @ SY13 @ SY13 ) ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[3]) ).
thf(5,plain,
( ( ! [SY8: a,SY9: a] :
( ( sK1_Xp @ SY8 @ SY9 )
=> ( sK1_Xp @ SY9 @ SY8 ) ) )
= $true ),
inference(standard_cnf,[status(thm)],[4]) ).
thf(6,plain,
( ( ! [SY10: a,SY11: a,SY12: a] :
( ( ( sK1_Xp @ SY10 @ SY11 )
& ( sK1_Xp @ SY11 @ SY12 ) )
=> ( sK1_Xp @ SY10 @ SY12 ) ) )
= $true ),
inference(standard_cnf,[status(thm)],[4]) ).
thf(7,plain,
( ( ! [SY13: a,SY14: a] :
( ( sK1_Xp @ SY13 @ SY14 )
=> ( sK1_Xp @ SY13 @ SY13 ) ) )
= $false ),
inference(standard_cnf,[status(thm)],[4]) ).
thf(8,plain,
( ( ~ ! [SY13: a,SY14: a] :
( ( sK1_Xp @ SY13 @ SY14 )
=> ( sK1_Xp @ SY13 @ SY13 ) ) )
= $true ),
inference(polarity_switch,[status(thm)],[7]) ).
thf(9,plain,
( ( ! [SY10: a,SY11: a,SY12: a] :
( ( ( sK1_Xp @ SY10 @ SY11 )
& ( sK1_Xp @ SY11 @ SY12 ) )
=> ( sK1_Xp @ SY10 @ SY12 ) ) )
= $true ),
inference(copy,[status(thm)],[6]) ).
thf(10,plain,
( ( ! [SY8: a,SY9: a] :
( ( sK1_Xp @ SY8 @ SY9 )
=> ( sK1_Xp @ SY9 @ SY8 ) ) )
= $true ),
inference(copy,[status(thm)],[5]) ).
thf(11,plain,
( ( ~ ! [SY13: a,SY14: a] :
( ( sK1_Xp @ SY13 @ SY14 )
=> ( sK1_Xp @ SY13 @ SY13 ) ) )
= $true ),
inference(copy,[status(thm)],[8]) ).
thf(12,plain,
( ( ! [SX0: a,SX1: a,SX2: a] :
( ~ ~ ( ~ ( sK1_Xp @ SX0 @ SX1 )
| ~ ( sK1_Xp @ SX1 @ SX2 ) )
| ( sK1_Xp @ SX0 @ SX2 ) ) )
= $true ),
inference(unfold_def,[status(thm)],[9]) ).
thf(13,plain,
( ( ~ ! [SX0: a,SX1: a] :
( ~ ( sK1_Xp @ SX0 @ SX1 )
| ( sK1_Xp @ SX0 @ SX0 ) ) )
= $true ),
inference(unfold_def,[status(thm)],[11]) ).
thf(14,plain,
( ( ! [SX0: a,SX1: a] :
( ~ ( sK1_Xp @ SX0 @ SX1 )
| ( sK1_Xp @ SX1 @ SX0 ) ) )
= $true ),
inference(unfold_def,[status(thm)],[10]) ).
thf(15,plain,
! [SV1: a] :
( ( ! [SY15: a,SY16: a] :
( ~ ~ ( ~ ( sK1_Xp @ SV1 @ SY15 )
| ~ ( sK1_Xp @ SY15 @ SY16 ) )
| ( sK1_Xp @ SV1 @ SY16 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[12]) ).
thf(16,plain,
( ( ! [SX0: a,SX1: a] :
( ~ ( sK1_Xp @ SX0 @ SX1 )
| ( sK1_Xp @ SX0 @ SX0 ) ) )
= $false ),
inference(extcnf_not_pos,[status(thm)],[13]) ).
thf(17,plain,
! [SV2: a] :
( ( ! [SY17: a] :
( ~ ( sK1_Xp @ SV2 @ SY17 )
| ( sK1_Xp @ SY17 @ SV2 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[14]) ).
thf(18,plain,
! [SV3: a,SV1: a] :
( ( ! [SY18: a] :
( ~ ~ ( ~ ( sK1_Xp @ SV1 @ SV3 )
| ~ ( sK1_Xp @ SV3 @ SY18 ) )
| ( sK1_Xp @ SV1 @ SY18 ) ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[15]) ).
thf(19,plain,
( ( ! [SY19: a] :
( ~ ( sK1_Xp @ sK2_SX0 @ SY19 )
| ( sK1_Xp @ sK2_SX0 @ sK2_SX0 ) ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[16]) ).
thf(20,plain,
! [SV4: a,SV2: a] :
( ( ~ ( sK1_Xp @ SV2 @ SV4 )
| ( sK1_Xp @ SV4 @ SV2 ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[17]) ).
thf(21,plain,
! [SV5: a,SV3: a,SV1: a] :
( ( ~ ~ ( ~ ( sK1_Xp @ SV1 @ SV3 )
| ~ ( sK1_Xp @ SV3 @ SV5 ) )
| ( sK1_Xp @ SV1 @ SV5 ) )
= $true ),
inference(extcnf_forall_pos,[status(thm)],[18]) ).
thf(22,plain,
( ( ~ ( sK1_Xp @ sK2_SX0 @ sK3_SY19 )
| ( sK1_Xp @ sK2_SX0 @ sK2_SX0 ) )
= $false ),
inference(extcnf_forall_neg,[status(esa)],[19]) ).
thf(23,plain,
! [SV4: a,SV2: a] :
( ( ( ~ ( sK1_Xp @ SV2 @ SV4 ) )
= $true )
| ( ( sK1_Xp @ SV4 @ SV2 )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[20]) ).
thf(24,plain,
! [SV5: a,SV3: a,SV1: a] :
( ( ( ~ ~ ( ~ ( sK1_Xp @ SV1 @ SV3 )
| ~ ( sK1_Xp @ SV3 @ SV5 ) ) )
= $true )
| ( ( sK1_Xp @ SV1 @ SV5 )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[21]) ).
thf(25,plain,
( ( ~ ( sK1_Xp @ sK2_SX0 @ sK3_SY19 ) )
= $false ),
inference(extcnf_or_neg,[status(thm)],[22]) ).
thf(26,plain,
( ( sK1_Xp @ sK2_SX0 @ sK2_SX0 )
= $false ),
inference(extcnf_or_neg,[status(thm)],[22]) ).
thf(27,plain,
! [SV4: a,SV2: a] :
( ( ( sK1_Xp @ SV2 @ SV4 )
= $false )
| ( ( sK1_Xp @ SV4 @ SV2 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[23]) ).
thf(28,plain,
! [SV5: a,SV3: a,SV1: a] :
( ( ( ~ ( ~ ( sK1_Xp @ SV1 @ SV3 )
| ~ ( sK1_Xp @ SV3 @ SV5 ) ) )
= $false )
| ( ( sK1_Xp @ SV1 @ SV5 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[24]) ).
thf(29,plain,
( ( sK1_Xp @ sK2_SX0 @ sK3_SY19 )
= $true ),
inference(extcnf_not_neg,[status(thm)],[25]) ).
thf(30,plain,
! [SV5: a,SV3: a,SV1: a] :
( ( ( ~ ( sK1_Xp @ SV1 @ SV3 )
| ~ ( sK1_Xp @ SV3 @ SV5 ) )
= $true )
| ( ( sK1_Xp @ SV1 @ SV5 )
= $true ) ),
inference(extcnf_not_neg,[status(thm)],[28]) ).
thf(31,plain,
! [SV5: a,SV3: a,SV1: a] :
( ( ( ~ ( sK1_Xp @ SV1 @ SV3 ) )
= $true )
| ( ( ~ ( sK1_Xp @ SV3 @ SV5 ) )
= $true )
| ( ( sK1_Xp @ SV1 @ SV5 )
= $true ) ),
inference(extcnf_or_pos,[status(thm)],[30]) ).
thf(32,plain,
! [SV5: a,SV3: a,SV1: a] :
( ( ( sK1_Xp @ SV1 @ SV3 )
= $false )
| ( ( ~ ( sK1_Xp @ SV3 @ SV5 ) )
= $true )
| ( ( sK1_Xp @ SV1 @ SV5 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[31]) ).
thf(33,plain,
! [SV1: a,SV5: a,SV3: a] :
( ( ( sK1_Xp @ SV3 @ SV5 )
= $false )
| ( ( sK1_Xp @ SV1 @ SV3 )
= $false )
| ( ( sK1_Xp @ SV1 @ SV5 )
= $true ) ),
inference(extcnf_not_pos,[status(thm)],[32]) ).
thf(34,plain,
$false = $true,
inference(fo_atp_e,[status(thm)],[26,33,29,27]) ).
thf(35,plain,
$false,
inference(solved_all_splits,[solved_all_splits(join,[])],[34]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : SEV043^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04 % Command : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.18 % Computer : n005.cluster.edu
% 0.09/0.18 % Model : x86_64 x86_64
% 0.09/0.18 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.18 % Memory : 8046.5625MB
% 0.09/0.18 % OS : Linux 6.8.0-71-generic
% 0.09/0.18 % CPULimit : 300
% 0.09/0.18 % WCLimit : 300
% 0.09/0.18 % DateTime : Tue Oct 6 15:39:30 UTC 2026
% 0.09/0.18 % CPUTime :
% 0.09/0.18 Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.21
% 0.09/0.21 No.of.Axioms: 0
% 0.09/0.21
% 0.09/0.21 Length.of.Defs: 0
% 0.09/0.21
% 0.09/0.21 Contains.Choice.Funs: false
% 0.09/0.21
% 0.09/0.21 ********************************
% 0.09/0.21 * All subproblems solved! *
% 0.09/0.21 ********************************
% 0.09/0.21 % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:2,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:34,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.09/0.21
% 0.09/0.21 %**** Beginning of derivation protocol ****
% 0.09/0.21 % SZS output start CNFRefutation
% See solution above
% 0.09/0.21
% 0.09/0.21 %**** End of derivation protocol ****
% 0.09/0.21 %**** no. of clauses in derivation: 35 ****
% 0.09/0.21 %**** clause counter: 34 ****
% 0.09/0.21
% 0.09/0.21 % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:2,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:34,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------