TSTP Solution File: NUM542+1 by Enigma---0.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Enigma---0.5.1
% Problem  : NUM542+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : enigmatic-eprover.py %s %d 1

% Computer : n006.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  : 600s
% DateTime : Mon Jul 18 08:37:09 EDT 2022

% Result   : Theorem 15.21s 3.21s
% Output   : CNFRefutation 15.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   22
% Syntax   : Number of clauses     :   72 (  10 unt;  14 nHn;  72 RR)
%            Number of literals    :  212 (  33 equ; 138 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-2 aty)
%            Number of variables   :   93 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(i_0_60,plain,
    ( X1 = X2
    | ~ sdtlseqdt0(X2,X1)
    | ~ sdtlseqdt0(X1,X2)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_60) ).

cnf(i_0_58,plain,
    ( sdtlseqdt0(X1,szszuzczcdt0(X1))
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_58) ).

cnf(i_0_48,plain,
    ( aElementOf0(szszuzczcdt0(X1),szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_48) ).

cnf(i_0_52,plain,
    ( szszuzczcdt0(X1) != X1
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_52) ).

cnf(i_0_88,plain,
    ( sdtlseqdt0(szszuzczcdt0(X1),X2)
    | X3 != slbdtrb0(X2)
    | ~ aElementOf0(X1,X3)
    | ~ aElementOf0(X2,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_88) ).

cnf(i_0_49,plain,
    ( X1 = X2
    | szszuzczcdt0(X1) != szszuzczcdt0(X2)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_49) ).

cnf(i_0_97,hypothesis,
    aElementOf0(xm,szNzAzT0),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_97) ).

cnf(i_0_14,plain,
    ( aElementOf0(X1,X2)
    | ~ aSet0(X2)
    | ~ aElementOf0(X1,X3)
    | ~ aSubsetOf0(X3,X2) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_14) ).

cnf(i_0_98,negated_conjecture,
    ( sdtlseqdt0(xm,xn)
    | aSubsetOf0(slbdtrb0(xm),slbdtrb0(xn)) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_98) ).

cnf(i_0_87,plain,
    ( aElementOf0(X1,X2)
    | X2 != slbdtrb0(X3)
    | ~ aElementOf0(X3,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0)
    | ~ sdtlseqdt0(szszuzczcdt0(X1),X3) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_87) ).

cnf(i_0_51,plain,
    ( X1 = sz00
    | aElementOf0(esk5_1(X1),szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_51) ).

cnf(i_0_47,plain,
    ( szszuzczcdt0(X1) != sz00
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_47) ).

cnf(i_0_96,hypothesis,
    aElementOf0(xn,szNzAzT0),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_96) ).

cnf(i_0_62,plain,
    ( sdtlseqdt0(X1,X2)
    | sdtlseqdt0(szszuzczcdt0(X2),X1)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_62) ).

cnf(i_0_89,plain,
    ( aElementOf0(X1,szNzAzT0)
    | X2 != slbdtrb0(X3)
    | ~ aElementOf0(X1,X2)
    | ~ aElementOf0(X3,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_89) ).

cnf(i_0_50,plain,
    ( X1 = sz00
    | szszuzczcdt0(esk5_1(X1)) = X1
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_50) ).

cnf(i_0_90,plain,
    ( aSet0(X1)
    | X1 != slbdtrb0(X2)
    | ~ aElementOf0(X2,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_90) ).

cnf(i_0_94,plain,
    ( aElementOf0(X1,slbdtrb0(szszuzczcdt0(X2)))
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0)
    | ~ aElementOf0(X1,slbdtrb0(X2)) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_94) ).

cnf(i_0_61,plain,
    ( sdtlseqdt0(X1,X2)
    | ~ sdtlseqdt0(X3,X2)
    | ~ sdtlseqdt0(X1,X3)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X3,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_61) ).

cnf(i_0_12,plain,
    ( aSubsetOf0(X1,X2)
    | ~ aSet0(X1)
    | ~ aSet0(X2)
    | ~ aElementOf0(esk2_2(X2,X1),X2) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_12) ).

cnf(i_0_99,negated_conjecture,
    ( ~ sdtlseqdt0(xm,xn)
    | ~ aSubsetOf0(slbdtrb0(xm),slbdtrb0(xn)) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_99) ).

cnf(i_0_13,plain,
    ( aSubsetOf0(X1,X2)
    | aElementOf0(esk2_2(X2,X1),X1)
    | ~ aSet0(X1)
    | ~ aSet0(X2) ),
    file('/export/starexec/sandbox/tmp/enigma-theBenchmark.p-yvxeyrqb/lgb.p',i_0_13) ).

cnf(c_0_122,plain,
    ( X1 = X2
    | ~ sdtlseqdt0(X2,X1)
    | ~ sdtlseqdt0(X1,X2)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_60 ).

cnf(c_0_123,plain,
    ( sdtlseqdt0(X1,szszuzczcdt0(X1))
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_58 ).

cnf(c_0_124,plain,
    ( aElementOf0(szszuzczcdt0(X1),szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_48 ).

cnf(c_0_125,plain,
    ( szszuzczcdt0(X1) != X1
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_52 ).

cnf(c_0_126,plain,
    ( sdtlseqdt0(szszuzczcdt0(X1),X2)
    | X3 != slbdtrb0(X2)
    | ~ aElementOf0(X1,X3)
    | ~ aElementOf0(X2,szNzAzT0) ),
    i_0_88 ).

cnf(c_0_127,plain,
    ( X1 = X2
    | szszuzczcdt0(X1) != szszuzczcdt0(X2)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_49 ).

cnf(c_0_128,hypothesis,
    aElementOf0(xm,szNzAzT0),
    i_0_97 ).

cnf(c_0_129,plain,
    ( ~ aElementOf0(X1,szNzAzT0)
    | ~ sdtlseqdt0(szszuzczcdt0(X1),X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_122,c_0_123]),c_0_124]),c_0_125]) ).

cnf(c_0_130,plain,
    ( sdtlseqdt0(szszuzczcdt0(X1),X2)
    | ~ aElementOf0(X1,slbdtrb0(X2))
    | ~ aElementOf0(X2,szNzAzT0) ),
    inference(er,[status(thm)],[c_0_126]) ).

cnf(c_0_131,plain,
    ( aElementOf0(X1,X2)
    | ~ aSet0(X2)
    | ~ aElementOf0(X1,X3)
    | ~ aSubsetOf0(X3,X2) ),
    i_0_14 ).

cnf(c_0_132,negated_conjecture,
    ( sdtlseqdt0(xm,xn)
    | aSubsetOf0(slbdtrb0(xm),slbdtrb0(xn)) ),
    i_0_98 ).

cnf(c_0_133,plain,
    ( aElementOf0(X1,X2)
    | X2 != slbdtrb0(X3)
    | ~ aElementOf0(X3,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0)
    | ~ sdtlseqdt0(szszuzczcdt0(X1),X3) ),
    i_0_87 ).

cnf(c_0_134,hypothesis,
    ( X1 = xm
    | szszuzczcdt0(X1) != szszuzczcdt0(xm)
    | ~ aElementOf0(X1,szNzAzT0) ),
    inference(spm,[status(thm)],[c_0_127,c_0_128]) ).

cnf(c_0_135,plain,
    ( X1 = sz00
    | aElementOf0(esk5_1(X1),szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_51 ).

cnf(c_0_136,plain,
    ( szszuzczcdt0(X1) != sz00
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_47 ).

cnf(c_0_137,plain,
    ( ~ aElementOf0(X1,slbdtrb0(X1))
    | ~ aElementOf0(X1,szNzAzT0) ),
    inference(spm,[status(thm)],[c_0_129,c_0_130]) ).

cnf(c_0_138,negated_conjecture,
    ( aElementOf0(X1,slbdtrb0(xn))
    | sdtlseqdt0(xm,xn)
    | ~ aSet0(slbdtrb0(xn))
    | ~ aElementOf0(X1,slbdtrb0(xm)) ),
    inference(spm,[status(thm)],[c_0_131,c_0_132]) ).

cnf(c_0_139,hypothesis,
    aElementOf0(xn,szNzAzT0),
    i_0_96 ).

cnf(c_0_140,plain,
    ( aElementOf0(X1,slbdtrb0(X2))
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0)
    | ~ sdtlseqdt0(szszuzczcdt0(X1),X2) ),
    inference(er,[status(thm)],[c_0_133]) ).

cnf(c_0_141,plain,
    ( sdtlseqdt0(X1,X2)
    | sdtlseqdt0(szszuzczcdt0(X2),X1)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_62 ).

cnf(c_0_142,plain,
    ( aElementOf0(X1,szNzAzT0)
    | X2 != slbdtrb0(X3)
    | ~ aElementOf0(X1,X2)
    | ~ aElementOf0(X3,szNzAzT0) ),
    i_0_89 ).

cnf(c_0_143,plain,
    ( esk5_1(X1) = xm
    | X1 = sz00
    | szszuzczcdt0(esk5_1(X1)) != szszuzczcdt0(xm)
    | ~ aElementOf0(X1,szNzAzT0) ),
    inference(spm,[status(thm)],[c_0_134,c_0_135]) ).

cnf(c_0_144,plain,
    ( X1 = sz00
    | szszuzczcdt0(esk5_1(X1)) = X1
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_50 ).

cnf(c_0_145,hypothesis,
    szszuzczcdt0(xm) != sz00,
    inference(spm,[status(thm)],[c_0_136,c_0_128]) ).

cnf(c_0_146,negated_conjecture,
    ( sdtlseqdt0(xm,xn)
    | ~ aSet0(slbdtrb0(xn))
    | ~ aElementOf0(xn,slbdtrb0(xm)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_137,c_0_138]),c_0_139])]) ).

cnf(c_0_147,plain,
    ( aElementOf0(X1,slbdtrb0(X2))
    | sdtlseqdt0(X2,X1)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    inference(spm,[status(thm)],[c_0_140,c_0_141]) ).

cnf(c_0_148,plain,
    ( aSet0(X1)
    | X1 != slbdtrb0(X2)
    | ~ aElementOf0(X2,szNzAzT0) ),
    i_0_90 ).

cnf(c_0_149,plain,
    ( aElementOf0(X1,slbdtrb0(szszuzczcdt0(X2)))
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0)
    | ~ aElementOf0(X1,slbdtrb0(X2)) ),
    i_0_94 ).

cnf(c_0_150,plain,
    ( aElementOf0(X1,szNzAzT0)
    | ~ aElementOf0(X1,slbdtrb0(X2))
    | ~ aElementOf0(X2,szNzAzT0) ),
    inference(er,[status(thm)],[c_0_142]) ).

cnf(c_0_151,plain,
    ( esk5_1(szszuzczcdt0(xm)) = xm
    | ~ aElementOf0(szszuzczcdt0(xm),szNzAzT0) ),
    inference(sr,[status(thm)],[inference(er,[status(thm)],[inference(spm,[status(thm)],[c_0_143,c_0_144])]),c_0_145]) ).

cnf(c_0_152,negated_conjecture,
    ( sdtlseqdt0(xm,xn)
    | ~ aSet0(slbdtrb0(xn)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_146,c_0_147]),c_0_128]),c_0_139])]) ).

cnf(c_0_153,plain,
    ( aSet0(slbdtrb0(X1))
    | ~ aElementOf0(X1,szNzAzT0) ),
    inference(er,[status(thm)],[c_0_148]) ).

cnf(c_0_154,plain,
    ( X1 = sz00
    | aElementOf0(X2,slbdtrb0(X1))
    | ~ aElementOf0(X2,slbdtrb0(esk5_1(X1)))
    | ~ aElementOf0(X1,szNzAzT0) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_149,c_0_144]),c_0_150]),c_0_135]) ).

cnf(c_0_155,plain,
    esk5_1(szszuzczcdt0(xm)) = xm,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_151,c_0_124]),c_0_128])]) ).

cnf(c_0_156,plain,
    ( sdtlseqdt0(X1,X2)
    | ~ sdtlseqdt0(X3,X2)
    | ~ sdtlseqdt0(X1,X3)
    | ~ aElementOf0(X2,szNzAzT0)
    | ~ aElementOf0(X3,szNzAzT0)
    | ~ aElementOf0(X1,szNzAzT0) ),
    i_0_61 ).

cnf(c_0_157,plain,
    sdtlseqdt0(xm,xn),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_152,c_0_153]),c_0_139])]) ).

cnf(c_0_158,plain,
    ( aElementOf0(X1,slbdtrb0(szszuzczcdt0(xm)))
    | ~ aElementOf0(szszuzczcdt0(xm),szNzAzT0)
    | ~ aElementOf0(X1,slbdtrb0(xm)) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_154,c_0_155]),c_0_145]) ).

cnf(c_0_159,plain,
    ( sdtlseqdt0(X1,xn)
    | ~ aElementOf0(X1,szNzAzT0)
    | ~ sdtlseqdt0(X1,xm) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_156,c_0_157]),c_0_128]),c_0_139])]) ).

cnf(c_0_160,plain,
    ( aElementOf0(X1,szNzAzT0)
    | ~ aElementOf0(szszuzczcdt0(xm),szNzAzT0)
    | ~ aElementOf0(X1,slbdtrb0(xm)) ),
    inference(spm,[status(thm)],[c_0_150,c_0_158]) ).

cnf(c_0_161,plain,
    ( aElementOf0(X1,slbdtrb0(xn))
    | ~ aElementOf0(X1,szNzAzT0)
    | ~ sdtlseqdt0(szszuzczcdt0(X1),xm) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_140,c_0_159]),c_0_139])]),c_0_124]) ).

cnf(c_0_162,plain,
    ( aElementOf0(X1,szNzAzT0)
    | ~ aElementOf0(X1,slbdtrb0(xm)) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_160,c_0_124]),c_0_128])]) ).

cnf(c_0_163,plain,
    ( aSubsetOf0(X1,X2)
    | ~ aSet0(X1)
    | ~ aSet0(X2)
    | ~ aElementOf0(esk2_2(X2,X1),X2) ),
    i_0_12 ).

cnf(c_0_164,plain,
    ( aElementOf0(X1,slbdtrb0(xn))
    | ~ aElementOf0(X1,slbdtrb0(xm)) ),
    inference(csr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_161,c_0_130]),c_0_128])]),c_0_162]) ).

cnf(c_0_165,negated_conjecture,
    ( ~ sdtlseqdt0(xm,xn)
    | ~ aSubsetOf0(slbdtrb0(xm),slbdtrb0(xn)) ),
    i_0_99 ).

cnf(c_0_166,plain,
    ( aSubsetOf0(X1,slbdtrb0(xn))
    | ~ aSet0(slbdtrb0(xn))
    | ~ aSet0(X1)
    | ~ aElementOf0(esk2_2(slbdtrb0(xn),X1),slbdtrb0(xm)) ),
    inference(spm,[status(thm)],[c_0_163,c_0_164]) ).

cnf(c_0_167,plain,
    ( aSubsetOf0(X1,X2)
    | aElementOf0(esk2_2(X2,X1),X1)
    | ~ aSet0(X1)
    | ~ aSet0(X2) ),
    i_0_13 ).

cnf(c_0_168,negated_conjecture,
    ~ aSubsetOf0(slbdtrb0(xm),slbdtrb0(xn)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_165,c_0_157])]) ).

cnf(c_0_169,plain,
    ( ~ aSet0(slbdtrb0(xn))
    | ~ aSet0(slbdtrb0(xm)) ),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_166,c_0_167]),c_0_168]) ).

cnf(c_0_170,plain,
    ~ aSet0(slbdtrb0(xm)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_169,c_0_153]),c_0_139])]) ).

cnf(c_0_171,plain,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_170,c_0_153]),c_0_128])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : NUM542+1 : TPTP v8.1.0. Released v4.0.0.
% 0.07/0.12  % Command  : enigmatic-eprover.py %s %d 1
% 0.12/0.33  % Computer : n006.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Fri Jul  8 00:26:23 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.44  # ENIGMATIC: Selected complete mode:
% 15.21/3.21  # ENIGMATIC: Solved by autoschedule-lgb:
% 15.21/3.21  # No SInE strategy applied
% 15.21/3.21  # Trying AutoSched0 for 150 seconds
% 15.21/3.21  # AutoSched0-Mode selected heuristic G_E___207_C01_F1_SE_CS_SP_PI_S0Y
% 15.21/3.21  # and selection function SelectMaxLComplexAvoidPosPred.
% 15.21/3.21  #
% 15.21/3.21  # Preprocessing time       : 0.025 s
% 15.21/3.21  
% 15.21/3.21  # Proof found!
% 15.21/3.21  # SZS status Theorem
% 15.21/3.21  # SZS output start CNFRefutation
% See solution above
% 15.21/3.21  # Training examples: 0 positive, 0 negative
% 15.21/3.21  
% 15.21/3.21  # -------------------------------------------------
% 15.21/3.21  # User time                : 0.933 s
% 15.21/3.21  # System time              : 0.023 s
% 15.21/3.21  # Total time               : 0.956 s
% 15.21/3.21  # Maximum resident set size: 7128 pages
% 15.21/3.21  
%------------------------------------------------------------------------------