%------------------------------------------------------------------------------
% File : LEO-II---2.3.1
% Problem : SYN984^1 : TPTP v9.3.1. Released v3.6.0.
% Transfm : none
% Format : tptp:raw
% Command : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n019.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 11:07:17 AM UTC 2026
% Result : Theorem 0.08s 0.20s
% Output : CNFRefutation 0.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 16
% Number of leaves : 1
% Syntax : Number of formulae : 42 ( 17 unt; 0 typ; 0 def)
% Number of atoms : 262 ( 72 equ; 0 cnn)
% Maximal formula atoms : 7 ( 6 avg)
% Number of connectives : 121 ( 45 ~; 42 |; 9 &; 22 @)
% ( 0 <=>; 3 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 2 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of symbols : 10 ( 7 usr; 8 con; 0-2 aty)
% Number of variables : 22 ( 22 ^; 0 !; 0 ?; 22 :)
% Comments :
%------------------------------------------------------------------------------
thf(tp_a,type,
a: $o ).
thf(tp_b,type,
b: $o ).
thf(tp_p,type,
p: ( $i > $o ) > $o ).
thf(tp_sK1_E,type,
sK1_E: $i ).
thf(tp_sK2_E,type,
sK2_E: $i ).
thf(tp_sK3_E,type,
sK3_E: $i ).
thf(tp_sK4_E,type,
sK4_E: $i ).
thf(1,conjecture,
( ( ( p
@ ^ [X: $i] : a )
& ( p
@ ^ [X: $i] : b ) )
=> ( p
@ ^ [X: $i] :
( a
& b ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',thm) ).
thf(2,negated_conjecture,
( ( ( ( p
@ ^ [X: $i] : a )
& ( p
@ ^ [X: $i] : b ) )
=> ( p
@ ^ [X: $i] :
( a
& b ) ) )
= $false ),
inference(negate_conjecture,[status(cth)],[1]) ).
thf(3,plain,
( ( ( ( p
@ ^ [X: $i] : a )
& ( p
@ ^ [X: $i] : b ) )
=> ( p
@ ^ [X: $i] :
( a
& b ) ) )
= $false ),
inference(unfold_def,[status(thm)],[2]) ).
thf(4,plain,
( ( p
@ ^ [X: $i] : a )
= $true ),
inference(standard_cnf,[status(thm)],[3]) ).
thf(5,plain,
( ( p
@ ^ [X: $i] : b )
= $true ),
inference(standard_cnf,[status(thm)],[3]) ).
thf(6,plain,
( ( p
@ ^ [X: $i] :
( a
& b ) )
= $false ),
inference(standard_cnf,[status(thm)],[3]) ).
thf(7,plain,
( ( ~ ( p
@ ^ [X: $i] :
( a
& b ) ) )
= $true ),
inference(polarity_switch,[status(thm)],[6]) ).
thf(8,plain,
( ( p
@ ^ [X: $i] : b )
= $true ),
inference(copy,[status(thm)],[5]) ).
thf(9,plain,
( ( p
@ ^ [X: $i] : a )
= $true ),
inference(copy,[status(thm)],[4]) ).
thf(10,plain,
( ( ~ ( p
@ ^ [X: $i] :
( a
& b ) ) )
= $true ),
inference(copy,[status(thm)],[7]) ).
thf(11,plain,
( ( ~ ( p
@ ^ [SX0: $i] :
~ ( ~ a
| ~ b ) ) )
= $true ),
inference(unfold_def,[status(thm)],[10]) ).
thf(12,plain,
( ( p
@ ^ [SX0: $i] :
~ ( ~ a
| ~ b ) )
= $false ),
inference(extcnf_not_pos,[status(thm)],[11]) ).
thf(13,plain,
( ( ( p
@ ^ [SX0: $i] :
~ ( ~ a
| ~ b ) )
= ( p
@ ^ [X: $i] : a ) )
= $false ),
inference(res,[status(thm)],[12,9]) ).
thf(14,plain,
( ( ( p
@ ^ [SX0: $i] :
~ ( ~ a
| ~ b ) )
= ( p
@ ^ [X: $i] : b ) )
= $false ),
inference(res,[status(thm)],[12,8]) ).
thf(15,plain,
( ( ( ~ ( ~ a
| ~ b ) )
= $true )
| ( b = $true ) ),
inference(extuni,[status(esa)],[14]) ).
thf(16,plain,
( ( ( ~ ( ~ a
| ~ b ) )
= $false )
| ( b = $false ) ),
inference(extuni,[status(esa)],[14]) ).
thf(17,plain,
( ( ( ~ ( ~ a
| ~ b ) )
= $true )
| ( a = $true ) ),
inference(extuni,[status(esa)],[13]) ).
thf(18,plain,
( ( ( ~ ( ~ a
| ~ b ) )
= $false )
| ( a = $false ) ),
inference(extuni,[status(esa)],[13]) ).
thf(19,plain,
( ( ( ~ a
| ~ b )
= $true )
| ( b = $false ) ),
inference(extcnf_not_neg,[status(thm)],[16]) ).
thf(20,plain,
( ( ( ~ a
| ~ b )
= $false )
| ( b = $true ) ),
inference(extcnf_not_pos,[status(thm)],[15]) ).
thf(21,plain,
( ( ( ~ a
| ~ b )
= $true )
| ( a = $false ) ),
inference(extcnf_not_neg,[status(thm)],[18]) ).
thf(22,plain,
( ( ( ~ a
| ~ b )
= $false )
| ( a = $true ) ),
inference(extcnf_not_pos,[status(thm)],[17]) ).
thf(23,plain,
( ( ( ~ a ) = $true )
| ( ( ~ b ) = $true )
| ( b = $false ) ),
inference(extcnf_or_pos,[status(thm)],[19]) ).
thf(24,plain,
( ( ( ~ a ) = $false )
| ( b = $true ) ),
inference(extcnf_or_neg,[status(thm)],[20]) ).
thf(25,plain,
( ( ( ~ b ) = $false )
| ( b = $true ) ),
inference(extcnf_or_neg,[status(thm)],[20]) ).
thf(26,plain,
( ( ( ~ a ) = $true )
| ( ( ~ b ) = $true )
| ( a = $false ) ),
inference(extcnf_or_pos,[status(thm)],[21]) ).
thf(27,plain,
( ( ( ~ a ) = $false )
| ( a = $true ) ),
inference(extcnf_or_neg,[status(thm)],[22]) ).
thf(28,plain,
( ( ( ~ b ) = $false )
| ( a = $true ) ),
inference(extcnf_or_neg,[status(thm)],[22]) ).
thf(29,plain,
( ( a = $false )
| ( ( ~ b ) = $true )
| ( b = $false ) ),
inference(extcnf_not_pos,[status(thm)],[23]) ).
thf(30,plain,
( ( a = $true )
| ( b = $true ) ),
inference(extcnf_not_neg,[status(thm)],[24]) ).
thf(31,plain,
( ( b = $true )
| ( b = $true ) ),
inference(extcnf_not_neg,[status(thm)],[25]) ).
thf(32,plain,
( ( a = $false )
| ( ( ~ b ) = $true )
| ( a = $false ) ),
inference(extcnf_not_pos,[status(thm)],[26]) ).
thf(33,plain,
( ( a = $true )
| ( a = $true ) ),
inference(extcnf_not_neg,[status(thm)],[27]) ).
thf(34,plain,
( ( b = $true )
| ( a = $true ) ),
inference(extcnf_not_neg,[status(thm)],[28]) ).
thf(35,plain,
( ( b = $false )
| ( a = $false )
| ( b = $false ) ),
inference(extcnf_not_pos,[status(thm)],[29]) ).
thf(36,plain,
( ( b = $false )
| ( a = $false )
| ( a = $false ) ),
inference(extcnf_not_pos,[status(thm)],[32]) ).
thf(37,plain,
( ( b = $false )
| ( a = $false ) ),
inference(sim,[status(thm)],[35]) ).
thf(38,plain,
b = $true,
inference(sim,[status(thm)],[31]) ).
thf(39,plain,
( ( b = $false )
| ( a = $false ) ),
inference(sim,[status(thm)],[36]) ).
thf(40,plain,
a = $true,
inference(sim,[status(thm)],[33]) ).
thf(42,plain,
$false = $true,
inference(fo_atp_e,[status(thm)],[8,40,39,38,37,34,30,12,9]) ).
thf(43,plain,
$false,
inference(solved_all_splits,[solved_all_splits(join,[])],[42]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SYN984^1 : TPTP v9.3.1. Released v3.6.0.
% 0.00/0.04 % Command : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.16 % Computer : n019.cluster.edu
% 0.08/0.16 % Model : x86_64 x86_64
% 0.08/0.16 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.16 % Memory : 8046.5625MB
% 0.08/0.16 % OS : Linux 6.8.0-71-generic
% 0.08/0.16 % CPULimit : 300
% 0.08/0.16 % WCLimit : 300
% 0.08/0.16 % DateTime : Tue Oct 6 17:30:46 UTC 2026
% 0.08/0.16 % CPUTime :
% 0.08/0.16 Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox/solver/bin/eprover /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.08/0.20
% 0.08/0.20 No.of.Axioms: 0
% 0.08/0.20
% 0.08/0.20 Length.of.Defs: 0
% 0.08/0.20
% 0.08/0.20 Contains.Choice.Funs: false
% 0.08/0.20
% 0.08/0.20 ********************************
% 0.08/0.20 * All subproblems solved! *
% 0.08/0.20 ********************************
% 0.08/0.20 % SZS status Theorem for /export/starexec/sandbox/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:42,loop_count:5,foatp_calls:2,translation:fof_full)
% 0.08/0.20
% 0.08/0.20 %**** Beginning of derivation protocol ****
% 0.08/0.20 % SZS output start CNFRefutation
% See solution above
% 0.08/0.21
% 0.08/0.21 %**** End of derivation protocol ****
% 0.08/0.21 %**** no. of clauses in derivation: 42 ****
% 0.08/0.21 %**** clause counter: 42 ****
% 0.08/0.21
% 0.08/0.21 % SZS status Theorem for /export/starexec/sandbox/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:42,loop_count:5,foatp_calls:2,translation:fof_full)
%------------------------------------------------------------------------------