TSTP Solution File: SWC001-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWC001-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n023.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 22:00:59 EDT 2022

% Result   : Unsatisfiable 1.52s 1.73s
% Output   : Refutation 1.52s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC001-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n023.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 : Sat Jun 11 21:05:07 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.52/1.73  
% 1.52/1.73  SPASS V 3.9 
% 1.52/1.73  SPASS beiseite: Proof found.
% 1.52/1.73  % SZS status Theorem
% 1.52/1.73  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 1.52/1.73  SPASS derived 2270 clauses, backtracked 2220 clauses, performed 61 splits and kept 3981 clauses.
% 1.52/1.73  SPASS allocated 77861 KBytes.
% 1.52/1.73  SPASS spent	0:00:01.38 on the problem.
% 1.52/1.73  		0:00:00.04 for the input.
% 1.52/1.73  		0:00:00.00 for the FLOTTER CNF translation.
% 1.52/1.73  		0:00:00.01 for inferences.
% 1.52/1.73  		0:00:00.02 for the backtracking.
% 1.52/1.73  		0:00:01.09 for the reduction.
% 1.52/1.73  
% 1.52/1.73  
% 1.52/1.73  Here is a proof with depth 2, length 72 :
% 1.52/1.73  % SZS output start Refutation
% 1.52/1.73  1[0:Inp] ||  -> ssList(sk1)*.
% 1.52/1.73  2[0:Inp] ||  -> ssList(sk2)*.
% 1.52/1.73  5[0:Inp] ||  -> equal(sk4,sk2)**.
% 1.52/1.73  6[0:Inp] ||  -> equal(sk3,sk1)**.
% 1.52/1.73  7[0:Inp] ||  -> duplicatefreeP(sk3)*.
% 1.52/1.73  8[0:Inp] ssItem(u) || memberP(sk3,u) -> memberP(sk4,u)*.
% 1.52/1.73  9[0:Inp] ssItem(u) || memberP(sk4,u)* -> memberP(sk3,u).
% 1.52/1.73  10[0:Inp] || duplicatefreeP(sk1) -> ssItem(sk5)*.
% 1.52/1.73  11[0:Inp] || duplicatefreeP(sk1) -> memberP(sk2,sk5)* memberP(sk1,sk5).
% 1.52/1.73  12[0:Inp] || memberP(sk2,sk5)* memberP(sk1,sk5) duplicatefreeP(sk1) -> .
% 1.52/1.73  83[0:Inp] ssItem(u) || memberP(nil,u)* -> .
% 1.52/1.73  84[0:Inp] ssList(u) ||  -> ssItem(v)* duplicatefreeP(u)*.
% 1.52/1.73  189[0:Inp] ssList(u) ssList(v) || equal(hd(v),hd(u))* equal(tl(v),tl(u)) -> equal(v,u) equal(nil,v) equal(nil,u).
% 1.52/1.73  198[0:Rew:6.0,7.0] ||  -> duplicatefreeP(sk1)*.
% 1.52/1.73  201[0:MRR:10.0,198.0] ||  -> ssItem(sk5)*.
% 1.52/1.73  202[0:MRR:11.0,198.0] ||  -> memberP(sk1,sk5) memberP(sk2,sk5)*.
% 1.52/1.73  203[0:Rew:6.0,9.2,5.0,9.1] ssItem(u) || memberP(sk2,u)* -> memberP(sk1,u).
% 1.52/1.73  204[0:Rew:5.0,8.2,6.0,8.1] ssItem(u) || memberP(sk1,u) -> memberP(sk2,u)*.
% 1.52/1.73  205[0:MRR:12.2,198.0] || memberP(sk1,sk5) memberP(sk2,sk5)* -> .
% 1.52/1.73  291[0:Res:2.0,84.0] ||  -> ssItem(u)* duplicatefreeP(sk2).
% 1.52/1.73  306[0:Res:2.0,189.1] ssList(u) || equal(hd(u),hd(sk2))* equal(tl(u),tl(sk2)) -> equal(u,sk2) equal(nil,u) equal(nil,sk2).
% 1.52/1.73  477[0:Res:1.0,189.1] ssList(u) || equal(hd(u),hd(sk1))* equal(tl(u),tl(sk1)) -> equal(u,sk1) equal(nil,u) equal(nil,sk1).
% 1.52/1.73  557[1:Spt:84.1] ||  -> ssItem(u)*.
% 1.52/1.73  579[1:MRR:203.0,557.0] || memberP(sk2,u)* -> memberP(sk1,u).
% 1.52/1.73  580[1:MRR:204.0,557.0] || memberP(sk1,u) -> memberP(sk2,u)*.
% 1.52/1.73  755[1:MRR:202.1,579.0] ||  -> memberP(sk1,sk5)*.
% 1.52/1.73  756[1:MRR:205.0,579.1] || memberP(sk2,sk5)* -> .
% 1.52/1.73  1212[1:Res:580.1,756.0] || memberP(sk1,sk5)* -> .
% 1.52/1.73  1214[1:MRR:1212.0,755.0] ||  -> .
% 1.52/1.73  1215[1:Spt:1214.0,84.0,84.2] ssList(u) ||  -> duplicatefreeP(u)*.
% 1.52/1.73  1233[2:Spt:291.0] ||  -> ssItem(u)*.
% 1.52/1.73  1255[2:MRR:204.0,1233.0] || memberP(sk1,u) -> memberP(sk2,u)*.
% 1.52/1.73  1256[2:MRR:203.0,1233.0] || memberP(sk2,u)* -> memberP(sk1,u).
% 1.52/1.73  1431[2:MRR:202.0,1255.0] ||  -> memberP(sk2,sk5)*.
% 1.52/1.73  1432[2:MRR:205.1,1255.1] || memberP(sk1,sk5)* -> .
% 1.52/1.73  1880[2:Res:1431.0,1256.0] ||  -> memberP(sk1,sk5)*.
% 1.52/1.73  1882[2:MRR:1880.0,1432.0] ||  -> .
% 1.52/1.73  1883[2:Spt:1882.0,291.1] ||  -> duplicatefreeP(sk2)*.
% 1.52/1.73  1885[3:Spt:306.5] ||  -> equal(nil,sk2)**.
% 1.52/1.73  1967[3:Rew:1885.0,83.1] ssItem(u) || memberP(sk2,u)* -> .
% 1.52/1.73  2021[3:MRR:204.2,1967.1] ssItem(u) || memberP(sk1,u)* -> .
% 1.52/1.73  2102[4:Spt:202.0] ||  -> memberP(sk1,sk5)*.
% 1.52/1.73  2364[4:Res:2102.0,2021.1] ssItem(sk5) ||  -> .
% 1.52/1.73  2365[4:SSi:2364.0,201.0] ||  -> .
% 1.52/1.73  2366[4:Spt:2365.0,202.0,2102.0] || memberP(sk1,sk5)* -> .
% 1.52/1.73  2367[4:Spt:2365.0,202.1] ||  -> memberP(sk2,sk5)*.
% 1.52/1.73  2629[4:Res:2367.0,1967.1] ssItem(sk5) ||  -> .
% 1.52/1.73  2630[4:SSi:2629.0,201.0] ||  -> .
% 1.52/1.73  2631[3:Spt:2630.0,306.5,1885.0] || equal(nil,sk2)** -> .
% 1.52/1.73  2632[3:Spt:2630.0,306.0,306.1,306.2,306.3,306.4] ssList(u) || equal(hd(u),hd(sk2))* equal(tl(u),tl(sk2)) -> equal(u,sk2) equal(nil,u).
% 1.52/1.73  2647[4:Spt:477.5] ||  -> equal(nil,sk1)**.
% 1.52/1.73  2693[4:Rew:2647.0,83.1] ssItem(u) || memberP(sk1,u)* -> .
% 1.52/1.73  2761[4:MRR:203.2,2693.1] ssItem(u) || memberP(sk2,u)* -> .
% 1.52/1.73  2834[5:Spt:202.0] ||  -> memberP(sk1,sk5)*.
% 1.52/1.73  2843[5:Res:2834.0,2693.1] ssItem(sk5) ||  -> .
% 1.52/1.73  2844[5:SSi:2843.0,201.0] ||  -> .
% 1.52/1.73  2845[5:Spt:2844.0,202.0,2834.0] || memberP(sk1,sk5)* -> .
% 1.52/1.73  2846[5:Spt:2844.0,202.1] ||  -> memberP(sk2,sk5)*.
% 1.52/1.73  2847[5:Res:2846.0,2761.1] ssItem(sk5) ||  -> .
% 1.52/1.73  2848[5:SSi:2847.0,201.0] ||  -> .
% 1.52/1.73  2849[4:Spt:2848.0,477.5,2647.0] || equal(nil,sk1)** -> .
% 1.52/1.73  2850[4:Spt:2848.0,477.0,477.1,477.2,477.3,477.4] ssList(u) || equal(hd(u),hd(sk1))* equal(tl(u),tl(sk1)) -> equal(u,sk1) equal(nil,u).
% 1.52/1.73  2887[5:Spt:202.0] ||  -> memberP(sk1,sk5)*.
% 1.52/1.73  2888[5:MRR:205.0,2887.0] || memberP(sk2,sk5)* -> .
% 1.52/1.73  2964[5:Res:204.2,2888.0] ssItem(sk5) || memberP(sk1,sk5)* -> .
% 1.52/1.73  2965[5:SSi:2964.0,201.0] || memberP(sk1,sk5)* -> .
% 1.52/1.73  2966[5:MRR:2965.0,2887.0] ||  -> .
% 1.52/1.73  2967[5:Spt:2966.0,202.0,2887.0] || memberP(sk1,sk5)* -> .
% 1.52/1.73  2968[5:Spt:2966.0,202.1] ||  -> memberP(sk2,sk5)*.
% 1.52/1.73  2970[5:Res:2968.0,203.1] ssItem(sk5) ||  -> memberP(sk1,sk5)*.
% 1.52/1.73  2971[5:SSi:2970.0,201.0] ||  -> memberP(sk1,sk5)*.
% 1.52/1.73  2972[5:MRR:2971.0,2967.0] ||  -> .
% 1.52/1.73  % SZS output end Refutation
% 1.52/1.73  Formulae used in the proof : co1_1 co1_2 co1_5 co1_6 co1_7 co1_8 co1_9 co1_10 co1_11 co1_12 clause71 clause72 clause177
% 1.52/1.73  
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