TSTP Solution File: SWC027-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC027-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% 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 : Tue Jul 19 22:01:11 EDT 2022

% Result   : Unsatisfiable 1.10s 1.32s
% Output   : Refutation 1.10s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SWC027-1 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.12  % Command  : run_spass %d %s
% 0.11/0.33  % Computer : n006.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Sun Jun 12 06:12:12 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 1.10/1.32  
% 1.10/1.32  SPASS V 3.9 
% 1.10/1.32  SPASS beiseite: Proof found.
% 1.10/1.32  % SZS status Theorem
% 1.10/1.32  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 1.10/1.32  SPASS derived 1493 clauses, backtracked 1213 clauses, performed 23 splits and kept 2550 clauses.
% 1.10/1.32  SPASS allocated 77479 KBytes.
% 1.10/1.32  SPASS spent	0:00:00.97 on the problem.
% 1.10/1.32  		0:00:00.04 for the input.
% 1.10/1.32  		0:00:00.00 for the FLOTTER CNF translation.
% 1.10/1.32  		0:00:00.00 for inferences.
% 1.10/1.32  		0:00:00.02 for the backtracking.
% 1.10/1.32  		0:00:00.68 for the reduction.
% 1.10/1.32  
% 1.10/1.32  
% 1.10/1.32  Here is a proof with depth 2, length 56 :
% 1.10/1.32  % SZS output start Refutation
% 1.10/1.32  1[0:Inp] ||  -> ssList(sk1)*.
% 1.10/1.32  5[0:Inp] ||  -> equal(sk4,sk2)**.
% 1.10/1.32  6[0:Inp] ||  -> equal(sk3,sk1)**.
% 1.10/1.32  7[0:Inp] ||  -> ssItem(sk5)* equal(nil,sk4).
% 1.10/1.32  8[0:Inp] ||  -> ssItem(sk5)* equal(nil,sk3).
% 1.10/1.32  9[0:Inp] ||  -> equal(cons(sk5,nil),sk3)** equal(nil,sk4).
% 1.10/1.32  10[0:Inp] ||  -> memberP(sk4,sk5)* equal(nil,sk4).
% 1.10/1.32  12[0:Inp] ||  -> equal(cons(sk5,nil),sk3)** equal(nil,sk3).
% 1.10/1.32  13[0:Inp] ||  -> memberP(sk4,sk5)* equal(nil,sk3).
% 1.10/1.32  15[0:Inp] ||  -> equal(nil,sk1) equal(nil,sk2)**.
% 1.10/1.32  18[0:Inp] || equal(nil,sk2)** equal(nil,sk1) -> .
% 1.10/1.32  89[0:Inp] ssItem(u) || memberP(nil,u)* -> .
% 1.10/1.32  90[0:Inp] ssList(u) ||  -> ssItem(v)* duplicatefreeP(u)*.
% 1.10/1.32  117[0:Inp] ssList(u) ssItem(v) || equal(cons(v,u),u)** -> .
% 1.10/1.32  206[0:Rew:6.0,8.1] ||  -> ssItem(sk5)* equal(nil,sk1).
% 1.10/1.32  207[0:Rew:206.1,7.1,5.0,7.1] ||  -> ssItem(sk5)* equal(sk2,sk1).
% 1.10/1.32  208[0:Rew:6.0,13.1,5.0,13.0] ||  -> equal(nil,sk1) memberP(sk2,sk5)*.
% 1.10/1.32  209[0:Rew:208.1,10.1,5.0,10.1,5.0,10.0] ||  -> equal(sk2,sk1) memberP(sk2,sk5)*.
% 1.10/1.32  210[0:Rew:6.0,12.1,6.0,12.0] ||  -> equal(nil,sk1) equal(cons(sk5,nil),sk1)**.
% 1.10/1.32  211[0:Rew:210.1,9.1,5.0,9.1,6.0,9.0] ||  -> equal(sk2,sk1) equal(cons(sk5,nil),sk1)**.
% 1.10/1.32  523[0:Res:1.0,117.1] ssItem(u) || equal(cons(u,sk1),sk1)** -> .
% 1.10/1.32  574[1:Spt:90.1] ||  -> ssItem(u)*.
% 1.10/1.32  579[1:MRR:89.0,574.0] || memberP(nil,u)* -> .
% 1.10/1.32  588[1:MRR:523.0,574.0] || equal(cons(u,sk1),sk1)** -> .
% 1.10/1.32  780[2:Spt:15.0] ||  -> equal(nil,sk1)**.
% 1.10/1.32  785[2:Rew:780.0,18.1] || equal(nil,sk2)** equal(sk1,sk1) -> .
% 1.10/1.32  809[2:Rew:780.0,211.1] ||  -> equal(sk2,sk1) equal(cons(sk5,sk1),sk1)**.
% 1.10/1.32  920[2:Obv:785.1] || equal(nil,sk2)** -> .
% 1.10/1.32  921[2:Rew:780.0,920.0] || equal(sk2,sk1)** -> .
% 1.10/1.32  928[2:MRR:809.0,809.1,921.0,588.0] ||  -> .
% 1.10/1.32  991[2:Spt:928.0,15.0,780.0] || equal(nil,sk1)** -> .
% 1.10/1.32  992[2:Spt:928.0,15.1] ||  -> equal(nil,sk2)**.
% 1.10/1.32  1024[2:Rew:992.0,579.0] || memberP(sk2,u)* -> .
% 1.10/1.32  1029[2:Rew:992.0,991.0] || equal(sk2,sk1)** -> .
% 1.10/1.32  1056[2:MRR:209.0,209.1,1029.0,1024.0] ||  -> .
% 1.10/1.32  1177[1:Spt:1056.0,90.0,90.2] ssList(u) ||  -> duplicatefreeP(u)*.
% 1.10/1.32  1194[2:Spt:15.0] ||  -> equal(nil,sk1)**.
% 1.10/1.32  1218[2:Rew:1194.0,18.1] || equal(nil,sk2)** equal(sk1,sk1) -> .
% 1.10/1.32  1260[2:Rew:1194.0,211.1] ||  -> equal(sk2,sk1) equal(cons(sk5,sk1),sk1)**.
% 1.10/1.32  1334[2:Obv:1218.1] || equal(nil,sk2)** -> .
% 1.10/1.32  1335[2:Rew:1194.0,1334.0] || equal(sk2,sk1)** -> .
% 1.10/1.32  1336[2:MRR:207.1,1335.0] ||  -> ssItem(sk5)*.
% 1.10/1.32  1368[2:MRR:1260.0,1335.0] ||  -> equal(cons(sk5,sk1),sk1)**.
% 1.10/1.32  1698[2:SpL:1368.0,523.1] ssItem(sk5) || equal(sk1,sk1)* -> .
% 1.10/1.32  1699[2:Obv:1698.1] ssItem(sk5) ||  -> .
% 1.10/1.32  1700[2:SSi:1699.0,1336.0] ||  -> .
% 1.10/1.32  1701[2:Spt:1700.0,15.0,1194.0] || equal(nil,sk1)** -> .
% 1.10/1.32  1702[2:Spt:1700.0,15.1] ||  -> equal(nil,sk2)**.
% 1.10/1.32  1719[2:Rew:1702.0,1701.0] || equal(sk2,sk1)** -> .
% 1.10/1.32  1720[2:Rew:1702.0,206.1] ||  -> ssItem(sk5)* equal(sk2,sk1).
% 1.10/1.32  1721[2:MRR:1720.1,1719.0] ||  -> ssItem(sk5)*.
% 1.10/1.32  1728[2:Rew:1702.0,208.0] ||  -> equal(sk2,sk1) memberP(sk2,sk5)*.
% 1.10/1.32  1729[2:MRR:1728.0,1719.0] ||  -> memberP(sk2,sk5)*.
% 1.10/1.32  1754[2:Rew:1702.0,89.1] ssItem(u) || memberP(sk2,u)* -> .
% 1.10/1.32  2092[2:Res:1729.0,1754.1] ssItem(sk5) ||  -> .
% 1.10/1.32  2093[2:SSi:2092.0,1721.0] ||  -> .
% 1.10/1.32  % SZS output end Refutation
% 1.10/1.32  Formulae used in the proof : co1_1 co1_5 co1_6 co1_7 co1_8 co1_9 co1_10 co1_12 co1_13 co1_15 co1_18 clause71 clause72 clause99
% 1.10/1.32  
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