%------------------------------------------------------------------------------
% File : CSE_E---1.7
% Problem : TOP024+4 : TPTP v9.2.1. Released v3.4.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% Computer : n010.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 05:56:37 PM UTC 2026
% Result : Theorem 62.71s 60.70s
% Output : CNFRefutation 62.71s
% Verified :
% SZS Type : Refutation
% Derivation depth : 10
% Number of leaves : 12
% Syntax : Number of formulae : 57 ( 23 unt; 0 def)
% Number of atoms : 202 ( 28 equ)
% Maximal formula atoms : 19 ( 3 avg)
% Number of connectives : 230 ( 85 ~; 76 |; 35 &)
% ( 11 <=>; 23 =>; 0 <=; 0 <~>)
% Maximal formula depth : 13 ( 4 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 12 ( 10 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 2 con; 0-2 aty)
% Number of variables : 81 ( 2 sgn 57 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(d5_tsp_2,axiom,
! [X1] :
( ( ~ v3_struct_0(X1)
& v2_pre_topc(X1)
& l1_pre_topc(X1) )
=> ! [X2] :
( m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
=> ( v1_tsp_2(X2,X1)
<=> ( v1_tsp_1(X2,X1)
& k3_tex_4(X1,X2) = u1_struct_0(X1) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',d5_tsp_2) ).
fof(t2_tsp_2,conjecture,
! [X1] :
( ( ~ v3_struct_0(X1)
& v2_pre_topc(X1)
& l1_pre_topc(X1) )
=> ! [X2] :
( m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
=> ( v1_tsp_2(X2,X1)
=> v1_tops_1(X2,X1) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p',t2_tsp_2) ).
fof(t64_tex_4,axiom,
! [X1] :
( ( ~ v3_struct_0(X1)
& v2_pre_topc(X1)
& l1_pre_topc(X1) )
=> ! [X2] :
( m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
=> k6_pre_topc(X1,k3_tex_4(X1,X2)) = k6_pre_topc(X1,X2) ) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+405.ax',t64_tex_4) ).
fof(d2_subset_1,axiom,
! [X1,X2] :
( ( ~ v1_xboole_0(X1)
=> ( m1_subset_1(X2,X1)
<=> r2_hidden(X2,X1) ) )
& ( v1_xboole_0(X1)
=> ( m1_subset_1(X2,X1)
<=> v1_xboole_0(X2) ) ) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+7.ax',d2_subset_1) ).
fof(dt_k6_pre_topc,axiom,
! [X1,X2] :
( ( l1_pre_topc(X1)
& m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1))) )
=> m1_subset_1(k6_pre_topc(X1,X2),k1_zfmisc_1(u1_struct_0(X1))) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+206.ax',dt_k6_pre_topc) ).
fof(fc1_subset_1,axiom,
! [X1] : ~ v1_xboole_0(k1_zfmisc_1(X1)),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+7.ax',fc1_subset_1) ).
fof(d1_zfmisc_1,axiom,
! [X1,X2] :
( X2 = k1_zfmisc_1(X1)
<=> ! [X3] :
( r2_hidden(X3,X2)
<=> r1_tarski(X3,X1) ) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+6.ax',d1_zfmisc_1) ).
fof(d2_tops_3,axiom,
! [X1] :
( l1_pre_topc(X1)
=> ! [X2] :
( m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
=> ( v1_tops_1(X2,X1)
<=> k6_pre_topc(X1,X2) = u1_struct_0(X1) ) ) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+370.ax',d2_tops_3) ).
fof(d10_xboole_0,axiom,
! [X1,X2] :
( X1 = X2
<=> ( r1_tarski(X1,X2)
& r1_tarski(X2,X1) ) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+2.ax',d10_xboole_0) ).
fof(t3_subset,axiom,
! [X1,X2] :
( m1_subset_1(X1,k1_zfmisc_1(X2))
<=> r1_tarski(X1,X2) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+9.ax',t3_subset) ).
fof(reflexivity_r1_tarski,axiom,
! [X1,X2] : r1_tarski(X1,X1),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+1.ax',reflexivity_r1_tarski) ).
fof(t48_pre_topc,axiom,
! [X1] :
( l1_pre_topc(X1)
=> ! [X2] :
( m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
=> r1_tarski(X2,k6_pre_topc(X1,X2)) ) ),
file('/export/starexec/sandbox/benchmark/Axioms/SET007/SET007+206.ax',t48_pre_topc) ).
fof(c_0_12,plain,
! [X1] :
( ( ~ v3_struct_0(X1)
& v2_pre_topc(X1)
& l1_pre_topc(X1) )
=> ! [X2] :
( m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
=> ( v1_tsp_2(X2,X1)
<=> ( v1_tsp_1(X2,X1)
& k3_tex_4(X1,X2) = u1_struct_0(X1) ) ) ) ),
inference(fof_simplification,[status(thm)],[d5_tsp_2]) ).
fof(c_0_13,negated_conjecture,
~ ! [X1] :
( ( ~ v3_struct_0(X1)
& v2_pre_topc(X1)
& l1_pre_topc(X1) )
=> ! [X2] :
( m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
=> ( v1_tsp_2(X2,X1)
=> v1_tops_1(X2,X1) ) ) ),
inference(fof_simplification,[status(thm)],[inference(assume_negation,[status(cth)],[t2_tsp_2])]) ).
fof(c_0_14,plain,
! [X1] :
( ( ~ v3_struct_0(X1)
& v2_pre_topc(X1)
& l1_pre_topc(X1) )
=> ! [X2] :
( m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
=> k6_pre_topc(X1,k3_tex_4(X1,X2)) = k6_pre_topc(X1,X2) ) ),
inference(fof_simplification,[status(thm)],[t64_tex_4]) ).
fof(c_0_15,plain,
! [X1796,X1797] :
( ( v1_tsp_1(X1797,X1796)
| ~ v1_tsp_2(X1797,X1796)
| ~ m1_subset_1(X1797,k1_zfmisc_1(u1_struct_0(X1796)))
| v3_struct_0(X1796)
| ~ v2_pre_topc(X1796)
| ~ l1_pre_topc(X1796) )
& ( k3_tex_4(X1796,X1797) = u1_struct_0(X1796)
| ~ v1_tsp_2(X1797,X1796)
| ~ m1_subset_1(X1797,k1_zfmisc_1(u1_struct_0(X1796)))
| v3_struct_0(X1796)
| ~ v2_pre_topc(X1796)
| ~ l1_pre_topc(X1796) )
& ( ~ v1_tsp_1(X1797,X1796)
| k3_tex_4(X1796,X1797) != u1_struct_0(X1796)
| v1_tsp_2(X1797,X1796)
| ~ m1_subset_1(X1797,k1_zfmisc_1(u1_struct_0(X1796)))
| v3_struct_0(X1796)
| ~ v2_pre_topc(X1796)
| ~ l1_pre_topc(X1796) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_12])])])]) ).
fof(c_0_16,negated_conjecture,
( ~ v3_struct_0(esk1_0)
& v2_pre_topc(esk1_0)
& l1_pre_topc(esk1_0)
& m1_subset_1(esk2_0,k1_zfmisc_1(u1_struct_0(esk1_0)))
& v1_tsp_2(esk2_0,esk1_0)
& ~ v1_tops_1(esk2_0,esk1_0) ),
inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_13])])]) ).
fof(c_0_17,plain,
! [X3382,X3383] :
( v3_struct_0(X3382)
| ~ v2_pre_topc(X3382)
| ~ l1_pre_topc(X3382)
| ~ m1_subset_1(X3383,k1_zfmisc_1(u1_struct_0(X3382)))
| k6_pre_topc(X3382,k3_tex_4(X3382,X3383)) = k6_pre_topc(X3382,X3383) ),
inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_14])])]) ).
cnf(c_0_18,plain,
( k3_tex_4(X1,X2) = u1_struct_0(X1)
| v3_struct_0(X1)
| ~ v1_tsp_2(X2,X1)
| ~ m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
| ~ v2_pre_topc(X1)
| ~ l1_pre_topc(X1) ),
inference(split_conjunct,[status(thm)],[c_0_15]) ).
cnf(c_0_19,negated_conjecture,
v1_tsp_2(esk2_0,esk1_0),
inference(split_conjunct,[status(thm)],[c_0_16]) ).
cnf(c_0_20,negated_conjecture,
v2_pre_topc(esk1_0),
inference(split_conjunct,[status(thm)],[c_0_16]) ).
cnf(c_0_21,negated_conjecture,
l1_pre_topc(esk1_0),
inference(split_conjunct,[status(thm)],[c_0_16]) ).
cnf(c_0_22,negated_conjecture,
m1_subset_1(esk2_0,k1_zfmisc_1(u1_struct_0(esk1_0))),
inference(split_conjunct,[status(thm)],[c_0_16]) ).
cnf(c_0_23,negated_conjecture,
~ v3_struct_0(esk1_0),
inference(split_conjunct,[status(thm)],[c_0_16]) ).
fof(c_0_24,plain,
! [X1,X2] :
( ( ~ v1_xboole_0(X1)
=> ( m1_subset_1(X2,X1)
<=> r2_hidden(X2,X1) ) )
& ( v1_xboole_0(X1)
=> ( m1_subset_1(X2,X1)
<=> v1_xboole_0(X2) ) ) ),
inference(fof_simplification,[status(thm)],[d2_subset_1]) ).
fof(c_0_25,plain,
! [X2116,X2117] :
( ~ l1_pre_topc(X2116)
| ~ m1_subset_1(X2117,k1_zfmisc_1(u1_struct_0(X2116)))
| m1_subset_1(k6_pre_topc(X2116,X2117),k1_zfmisc_1(u1_struct_0(X2116))) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[dt_k6_pre_topc])]) ).
cnf(c_0_26,plain,
( v3_struct_0(X1)
| k6_pre_topc(X1,k3_tex_4(X1,X2)) = k6_pre_topc(X1,X2)
| ~ v2_pre_topc(X1)
| ~ l1_pre_topc(X1)
| ~ m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1))) ),
inference(split_conjunct,[status(thm)],[c_0_17]) ).
cnf(c_0_27,negated_conjecture,
k3_tex_4(esk1_0,esk2_0) = u1_struct_0(esk1_0),
inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_20]),c_0_21]),c_0_22])]),c_0_23]) ).
fof(c_0_28,plain,
! [X1] : ~ v1_xboole_0(k1_zfmisc_1(X1)),
inference(fof_simplification,[status(thm)],[fc1_subset_1]) ).
fof(c_0_29,plain,
! [X2152,X2153,X2154,X2155,X2156,X2157] :
( ( ~ r2_hidden(X2154,X2153)
| r1_tarski(X2154,X2152)
| X2153 != k1_zfmisc_1(X2152) )
& ( ~ r1_tarski(X2155,X2152)
| r2_hidden(X2155,X2153)
| X2153 != k1_zfmisc_1(X2152) )
& ( ~ r2_hidden(esk47_2(X2156,X2157),X2157)
| ~ r1_tarski(esk47_2(X2156,X2157),X2156)
| X2157 = k1_zfmisc_1(X2156) )
& ( r2_hidden(esk47_2(X2156,X2157),X2157)
| r1_tarski(esk47_2(X2156,X2157),X2156)
| X2157 = k1_zfmisc_1(X2156) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(skolemize,[status(esa)],[inference(variable_rename,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(fof_nnf,[status(thm)],[d1_zfmisc_1])])])])])]) ).
fof(c_0_30,plain,
! [X3224,X3225] :
( ( ~ m1_subset_1(X3225,X3224)
| r2_hidden(X3225,X3224)
| v1_xboole_0(X3224) )
& ( ~ r2_hidden(X3225,X3224)
| m1_subset_1(X3225,X3224)
| v1_xboole_0(X3224) )
& ( ~ m1_subset_1(X3225,X3224)
| v1_xboole_0(X3225)
| ~ v1_xboole_0(X3224) )
& ( ~ v1_xboole_0(X3225)
| m1_subset_1(X3225,X3224)
| ~ v1_xboole_0(X3224) ) ),
inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[c_0_24])])]) ).
cnf(c_0_31,plain,
( m1_subset_1(k6_pre_topc(X1,X2),k1_zfmisc_1(u1_struct_0(X1)))
| ~ l1_pre_topc(X1)
| ~ m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1))) ),
inference(split_conjunct,[status(thm)],[c_0_25]) ).
cnf(c_0_32,negated_conjecture,
k6_pre_topc(esk1_0,esk2_0) = k6_pre_topc(esk1_0,u1_struct_0(esk1_0)),
inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_26,c_0_27]),c_0_20]),c_0_21]),c_0_22])]),c_0_23]) ).
fof(c_0_33,plain,
! [X1800] : ~ v1_xboole_0(k1_zfmisc_1(X1800)),
inference(variable_rename,[status(thm)],[c_0_28]) ).
fof(c_0_34,plain,
! [X1721,X1722] :
( ( ~ v1_tops_1(X1722,X1721)
| k6_pre_topc(X1721,X1722) = u1_struct_0(X1721)
| ~ m1_subset_1(X1722,k1_zfmisc_1(u1_struct_0(X1721)))
| ~ l1_pre_topc(X1721) )
& ( k6_pre_topc(X1721,X1722) != u1_struct_0(X1721)
| v1_tops_1(X1722,X1721)
| ~ m1_subset_1(X1722,k1_zfmisc_1(u1_struct_0(X1721)))
| ~ l1_pre_topc(X1721) ) ),
inference(distribute,[status(thm)],[inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d2_tops_3])])])]) ).
cnf(c_0_35,plain,
( r1_tarski(X1,X3)
| ~ r2_hidden(X1,X2)
| X2 != k1_zfmisc_1(X3) ),
inference(split_conjunct,[status(thm)],[c_0_29]) ).
cnf(c_0_36,plain,
( r2_hidden(X1,X2)
| v1_xboole_0(X2)
| ~ m1_subset_1(X1,X2) ),
inference(split_conjunct,[status(thm)],[c_0_30]) ).
cnf(c_0_37,negated_conjecture,
m1_subset_1(k6_pre_topc(esk1_0,u1_struct_0(esk1_0)),k1_zfmisc_1(u1_struct_0(esk1_0))),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_31,c_0_32]),c_0_21]),c_0_22])]) ).
cnf(c_0_38,plain,
~ v1_xboole_0(k1_zfmisc_1(X1)),
inference(split_conjunct,[status(thm)],[c_0_33]) ).
cnf(c_0_39,negated_conjecture,
~ v1_tops_1(esk2_0,esk1_0),
inference(split_conjunct,[status(thm)],[c_0_16]) ).
cnf(c_0_40,plain,
( v1_tops_1(X2,X1)
| k6_pre_topc(X1,X2) != u1_struct_0(X1)
| ~ m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1)))
| ~ l1_pre_topc(X1) ),
inference(split_conjunct,[status(thm)],[c_0_34]) ).
fof(c_0_41,plain,
! [X2147,X2148] :
( ( r1_tarski(X2147,X2148)
| X2147 != X2148 )
& ( r1_tarski(X2148,X2147)
| X2147 != X2148 )
& ( ~ r1_tarski(X2147,X2148)
| ~ r1_tarski(X2148,X2147)
| X2147 = X2148 ) ),
inference(distribute,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[d10_xboole_0])])]) ).
cnf(c_0_42,plain,
( r1_tarski(X1,X2)
| ~ r2_hidden(X1,k1_zfmisc_1(X2)) ),
inference(er,[status(thm)],[c_0_35]) ).
cnf(c_0_43,negated_conjecture,
r2_hidden(k6_pre_topc(esk1_0,u1_struct_0(esk1_0)),k1_zfmisc_1(u1_struct_0(esk1_0))),
inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_37]),c_0_38]) ).
cnf(c_0_44,negated_conjecture,
k6_pre_topc(esk1_0,esk2_0) != u1_struct_0(esk1_0),
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_39,c_0_40]),c_0_21]),c_0_22])]) ).
fof(c_0_45,plain,
! [X2169,X2170] :
( ( ~ m1_subset_1(X2169,k1_zfmisc_1(X2170))
| r1_tarski(X2169,X2170) )
& ( ~ r1_tarski(X2169,X2170)
| m1_subset_1(X2169,k1_zfmisc_1(X2170)) ) ),
inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t3_subset])]) ).
fof(c_0_46,plain,
! [X2146] : r1_tarski(X2146,X2146),
inference(variable_rename,[status(thm)],[inference(fof_simplification,[status(thm)],[reflexivity_r1_tarski])]) ).
cnf(c_0_47,plain,
( X1 = X2
| ~ r1_tarski(X1,X2)
| ~ r1_tarski(X2,X1) ),
inference(split_conjunct,[status(thm)],[c_0_41]) ).
cnf(c_0_48,negated_conjecture,
r1_tarski(k6_pre_topc(esk1_0,u1_struct_0(esk1_0)),u1_struct_0(esk1_0)),
inference(spm,[status(thm)],[c_0_42,c_0_43]) ).
cnf(c_0_49,negated_conjecture,
k6_pre_topc(esk1_0,u1_struct_0(esk1_0)) != u1_struct_0(esk1_0),
inference(rw,[status(thm)],[c_0_44,c_0_32]) ).
fof(c_0_50,plain,
! [X2100,X2101] :
( ~ l1_pre_topc(X2100)
| ~ m1_subset_1(X2101,k1_zfmisc_1(u1_struct_0(X2100)))
| r1_tarski(X2101,k6_pre_topc(X2100,X2101)) ),
inference(shift_quantors,[status(thm)],[inference(variable_rename,[status(thm)],[inference(fof_nnf,[status(thm)],[t48_pre_topc])])]) ).
cnf(c_0_51,plain,
( m1_subset_1(X1,k1_zfmisc_1(X2))
| ~ r1_tarski(X1,X2) ),
inference(split_conjunct,[status(thm)],[c_0_45]) ).
cnf(c_0_52,plain,
r1_tarski(X1,X1),
inference(split_conjunct,[status(thm)],[c_0_46]) ).
cnf(c_0_53,negated_conjecture,
~ r1_tarski(u1_struct_0(esk1_0),k6_pre_topc(esk1_0,u1_struct_0(esk1_0))),
inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_47,c_0_48]),c_0_49]) ).
cnf(c_0_54,plain,
( r1_tarski(X2,k6_pre_topc(X1,X2))
| ~ l1_pre_topc(X1)
| ~ m1_subset_1(X2,k1_zfmisc_1(u1_struct_0(X1))) ),
inference(split_conjunct,[status(thm)],[c_0_50]) ).
cnf(c_0_55,plain,
m1_subset_1(X1,k1_zfmisc_1(X1)),
inference(spm,[status(thm)],[c_0_51,c_0_52]) ).
cnf(c_0_56,negated_conjecture,
$false,
inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_54]),c_0_21]),c_0_55])]),
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13 % Problem : TOP024+4 : TPTP v9.2.1. Released v3.4.0.
% 0.12/0.13 % Command : /export/starexec/sandbox/solver/bin/lemma_parallel_prover %s --lemma-prover /export/starexec/sandbox/solver/bin/cse --final-prover /export/starexec/sandbox/solver/bin/eprover --proof-time %d --global-time-limit %d
% 0.16/0.34 % Computer : n010.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 : Tue May 5 09:54:41 EDT 2026
% 0.16/0.34 % CPUTime :
% 0.16/0.35 % start to proof: theBenchmark
% 62.71/60.70 % Version : CSE_E---1.7
% 62.71/60.70 % Problem : theBenchmark.p
% 62.71/60.70 % SZS status Theorem for theBenchmark.p
% 62.71/60.70 % SZS output start CNFRefutation
% See solution above
% 62.71/60.71 % Total time : 59.977s
%------------------------------------------------------------------------------