TSTP Solution File: NLP068+1 by SPASS---3.9
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : NLP068+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n012.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 05:26:25 EDT 2022
% Result : CounterSatisfiable 0.19s 0.49s
% Output : Saturation 0.19s
% Verified :
% SZS Type : ERROR: Analysing output (Could not find formula named 149)
% Comments :
%------------------------------------------------------------------------------
cnf(151,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ cannon(u,skf11(u,v))
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(v,u)
| ~ of(u,skf11(u,v),w)
| from_loc(u,skf12(u,w,skf11(u,v)),skf11(u,v)) ),
inference(obv,[status(thm),theory(equality)],[149]),
[iquote('1:Obv:149.3')] ).
cnf(138,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ cannon(u,skf11(u,v))
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(v,u)
| ~ of(u,skf11(u,v),w)
| patient(u,skf12(u,w,skf11(u,v)),skf11(u,v)) ),
inference(obv,[status(thm),theory(equality)],[136]),
[iquote('1:Obv:136.3')] ).
cnf(156,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ cannon(u,skf11(u,v))
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(v,u)
| ~ of(u,skf11(u,v),w)
| agent(u,skf12(u,w,x),w) ),
inference(obv,[status(thm),theory(equality)],[154]),
[iquote('1:Obv:154.3')] ).
cnf(133,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ cannon(u,skf11(u,v))
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(v,u)
| ~ of(u,skf11(u,v),w)
| fire(u,skf12(u,x,y)) ),
inference(obv,[status(thm),theory(equality)],[131]),
[iquote('1:Obv:131.3')] ).
cnf(120,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ cannon(u,skf11(u,v))
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(v,u)
| ~ of(u,skf11(u,v),w)
| nonreflexive(u,skf12(u,x,y)) ),
inference(obv,[status(thm),theory(equality)],[118]),
[iquote('1:Obv:118.3')] ).
cnf(103,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ cannon(u,skf11(u,v))
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(v,u)
| ~ of(u,skf11(u,v),w)
| present(u,skf12(u,x,y)) ),
inference(obv,[status(thm),theory(equality)],[101]),
[iquote('1:Obv:101.3')] ).
cnf(94,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ cannon(u,skf11(u,v))
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(v,u)
| ~ of(u,skf11(u,v),w)
| event(u,skf12(u,x,y)) ),
inference(obv,[status(thm),theory(equality)],[92]),
[iquote('1:Obv:92.3')] ).
cnf(84,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ cannon(u,skf11(u,v))
| ~ skP1(v,u)
| ~ of(u,skf11(u,v),v)
| patient(u,skf17(u,skf11(u,v)),skf11(u,v)) ),
inference(res,[status(thm),theory(equality)],[49,27]),
[iquote('1:Res:49.4,27.2')] ).
cnf(80,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ cannon(u,skf11(u,v))
| ~ skP1(v,u)
| ~ of(u,skf11(u,v),v)
| from_loc(u,skf17(u,skf11(u,v)),skf11(u,v)) ),
inference(res,[status(thm),theory(equality)],[49,28]),
[iquote('1:Res:49.4,28.2')] ).
cnf(88,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ cannon(u,skf11(u,v))
| ~ skP1(v,u)
| ~ of(u,skf11(u,v),v)
| agent(u,skf17(u,w),skf18(u,w)) ),
inference(res,[status(thm),theory(equality)],[49,29]),
[iquote('1:Res:49.4,29.2')] ).
cnf(76,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ cannon(u,skf11(u,v))
| ~ skP1(v,u)
| ~ of(u,skf11(u,v),v)
| man(u,skf18(u,w)) ),
inference(res,[status(thm),theory(equality)],[49,26]),
[iquote('1:Res:49.4,26.2')] ).
cnf(72,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ cannon(u,skf11(u,v))
| ~ skP1(v,u)
| ~ of(u,skf11(u,v),v)
| event(u,skf17(u,w)) ),
inference(res,[status(thm),theory(equality)],[49,22]),
[iquote('1:Res:49.4,22.2')] ).
cnf(168,plain,
( ~ male(u,v)
| ~ skP0(v,u)
| ~ man(u,v)
| skP1(v,u) ),
inference(obv,[status(thm),theory(equality)],[167]),
[iquote('0:Obv:167.5')] ).
cnf(164,plain,
( ~ man(u,v)
| ~ male(u,v)
| ~ skP0(w,u)
| ~ of(u,skf21(u,w),v)
| ~ man(u,x)
| ~ agent(u,skf12(u,v,skf21(u,w)),x)
| skP1(w,u) ),
inference(mrr,[status(thm)],[163,93,102,119,132,150]),
[iquote('0:MRR:163.4,163.5,163.6,163.7,163.10,93.5,102.5,119.5,132.5,150.5')] ).
cnf(40,axiom,
( ~ event(u,v)
| ~ present(u,v)
| ~ nonreflexive(u,v)
| ~ fire(u,v)
| ~ man(u,w)
| ~ agent(u,v,w)
| ~ patient(u,v,skf21(u,x))
| ~ from_loc(u,v,skf21(u,x))
| skP1(y,u) ),
file('NLP068+1.p',unknown),
[] ).
cnf(68,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ cannon(u,skf11(u,v))
| ~ skP1(v,u)
| ~ of(u,skf11(u,v),v)
| present(u,skf17(u,w)) ),
inference(res,[status(thm),theory(equality)],[49,23]),
[iquote('1:Res:49.4,23.2')] ).
cnf(64,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ cannon(u,skf11(u,v))
| ~ skP1(v,u)
| ~ of(u,skf11(u,v),v)
| nonreflexive(u,skf17(u,w)) ),
inference(res,[status(thm),theory(equality)],[49,24]),
[iquote('1:Res:49.4,24.2')] ).
cnf(60,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ cannon(u,skf11(u,v))
| ~ skP1(v,u)
| ~ of(u,skf11(u,v),v)
| fire(u,skf17(u,w)) ),
inference(res,[status(thm),theory(equality)],[49,25]),
[iquote('1:Res:49.4,25.2')] ).
cnf(161,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| ~ agent(v,skf17(v,skf14(v,u)),skf16(v,u))
| skP0(u,v) ),
inference(mrr,[status(thm)],[160,61,65,69,73,85]),
[iquote('0:MRR:160.2,160.3,160.4,160.5,160.6,61.3,65.3,69.3,73.3,85.3')] ).
cnf(39,axiom,
( ~ fire(u,v)
| ~ nonreflexive(u,v)
| ~ present(u,v)
| ~ event(u,v)
| ~ from_loc(u,v,skf14(u,w))
| ~ patient(u,v,skf14(u,w))
| ~ agent(u,v,skf16(u,w))
| skP0(x,u) ),
file('NLP068+1.p',unknown),
[] ).
cnf(150,plain,
( ~ man(u,v)
| ~ male(u,v)
| ~ skP0(w,u)
| ~ of(u,skf21(u,w),v)
| skP1(w,u)
| from_loc(u,skf12(u,v,skf21(u,w)),skf21(u,w)) ),
inference(mrr,[status(thm)],[147,13]),
[iquote('0:MRR:147.0,13.1')] ).
cnf(137,plain,
( ~ man(u,v)
| ~ male(u,v)
| ~ skP0(w,u)
| ~ of(u,skf21(u,w),v)
| skP1(w,u)
| patient(u,skf12(u,v,skf21(u,w)),skf21(u,w)) ),
inference(mrr,[status(thm)],[134,13]),
[iquote('0:MRR:134.0,13.1')] ).
cnf(155,plain,
( ~ man(u,v)
| ~ male(u,v)
| ~ skP0(w,u)
| ~ of(u,skf21(u,w),v)
| skP1(w,u)
| agent(u,skf12(u,v,x),v) ),
inference(mrr,[status(thm)],[152,13]),
[iquote('0:MRR:152.0,13.1')] ).
cnf(38,axiom,
( ~ cannon(u,v)
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(x,u)
| ~ member(u,v,x)
| ~ of(u,v,w)
| agent(u,skf12(u,w,y),w) ),
file('NLP068+1.p',unknown),
[] ).
cnf(36,axiom,
( ~ cannon(u,v)
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(x,u)
| ~ member(u,v,x)
| ~ of(u,v,w)
| from_loc(u,skf12(u,w,v),v) ),
file('NLP068+1.p',unknown),
[] ).
cnf(142,plain,
( ~ skP0(skf16(u,v),u)
| skP0(w,u)
| skP1(skf16(u,v),u)
| fire(u,skf12(u,x,y)) ),
inference(mrr,[status(thm)],[141,10]),
[iquote('0:MRR:141.0,10.1')] ).
cnf(132,plain,
( ~ man(u,v)
| ~ male(u,v)
| ~ skP0(w,u)
| ~ of(u,skf21(u,w),v)
| skP1(w,u)
| fire(u,skf12(u,x,y)) ),
inference(mrr,[status(thm)],[129,13]),
[iquote('0:MRR:129.0,13.1')] ).
cnf(37,axiom,
( ~ cannon(u,v)
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(x,u)
| ~ member(u,v,x)
| ~ of(u,v,w)
| patient(u,skf12(u,w,v),v) ),
file('NLP068+1.p',unknown),
[] ).
cnf(32,axiom,
( ~ cannon(u,v)
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(x,u)
| ~ member(u,v,x)
| ~ of(u,v,w)
| fire(u,skf12(u,y,z)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(124,plain,
( ~ skP0(skf16(u,v),u)
| skP0(w,u)
| skP1(skf16(u,v),u)
| nonreflexive(u,skf12(u,x,y)) ),
inference(mrr,[status(thm)],[123,10]),
[iquote('0:MRR:123.0,10.1')] ).
cnf(119,plain,
( ~ man(u,v)
| ~ male(u,v)
| ~ skP0(w,u)
| ~ of(u,skf21(u,w),v)
| skP1(w,u)
| nonreflexive(u,skf12(u,x,y)) ),
inference(mrr,[status(thm)],[116,13]),
[iquote('0:MRR:116.0,13.1')] ).
cnf(33,axiom,
( ~ cannon(u,v)
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(x,u)
| ~ member(u,v,x)
| ~ of(u,v,w)
| nonreflexive(u,skf12(u,y,z)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(111,plain,
( ~ skP0(skf16(u,v),u)
| skP0(w,u)
| skP1(skf16(u,v),u)
| present(u,skf12(u,x,y)) ),
inference(mrr,[status(thm)],[110,10]),
[iquote('0:MRR:110.0,10.1')] ).
cnf(102,plain,
( ~ man(u,v)
| ~ male(u,v)
| ~ skP0(w,u)
| ~ of(u,skf21(u,w),v)
| skP1(w,u)
| present(u,skf12(u,x,y)) ),
inference(mrr,[status(thm)],[99,13]),
[iquote('0:MRR:99.0,13.1')] ).
cnf(98,plain,
( ~ skP0(skf16(u,v),u)
| skP0(w,u)
| skP1(skf16(u,v),u)
| event(u,skf12(u,x,y)) ),
inference(mrr,[status(thm)],[97,10]),
[iquote('0:MRR:97.0,10.1')] ).
cnf(34,axiom,
( ~ cannon(u,v)
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(x,u)
| ~ member(u,v,x)
| ~ of(u,v,w)
| present(u,skf12(u,y,z)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(93,plain,
( ~ man(u,v)
| ~ male(u,v)
| ~ skP0(w,u)
| ~ of(u,skf21(u,w),v)
| skP1(w,u)
| event(u,skf12(u,x,y)) ),
inference(mrr,[status(thm)],[90,13]),
[iquote('0:MRR:90.0,13.1')] ).
cnf(35,axiom,
( ~ cannon(u,v)
| ~ man(u,w)
| ~ male(u,w)
| ~ skP0(x,u)
| ~ member(u,v,x)
| ~ of(u,v,w)
| event(u,skf12(u,y,z)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(89,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| skP0(u,v)
| agent(v,skf17(v,w),skf18(v,w)) ),
inference(mrr,[status(thm)],[87,12]),
[iquote('0:MRR:87.0,12.1')] ).
cnf(29,axiom,
( ~ cannon(u,v)
| ~ skP1(w,u)
| ~ member(u,v,w)
| ~ of(u,v,w)
| agent(u,skf17(u,x),skf18(u,x)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(85,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| skP0(u,v)
| patient(v,skf17(v,skf14(v,u)),skf14(v,u)) ),
inference(mrr,[status(thm)],[83,12]),
[iquote('0:MRR:83.0,12.1')] ).
cnf(81,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| skP0(u,v)
| from_loc(v,skf17(v,skf14(v,u)),skf14(v,u)) ),
inference(mrr,[status(thm)],[79,12]),
[iquote('0:MRR:79.0,12.1')] ).
cnf(27,axiom,
( ~ cannon(u,v)
| ~ skP1(w,u)
| ~ member(u,v,w)
| ~ of(u,v,w)
| patient(u,skf17(u,v),v) ),
file('NLP068+1.p',unknown),
[] ).
cnf(77,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| skP0(u,v)
| man(v,skf18(v,w)) ),
inference(mrr,[status(thm)],[75,12]),
[iquote('0:MRR:75.0,12.1')] ).
cnf(28,axiom,
( ~ cannon(u,v)
| ~ skP1(w,u)
| ~ member(u,v,w)
| ~ of(u,v,w)
| from_loc(u,skf17(u,v),v) ),
file('NLP068+1.p',unknown),
[] ).
cnf(26,axiom,
( ~ cannon(u,v)
| ~ skP1(w,u)
| ~ member(u,v,w)
| ~ of(u,v,w)
| man(u,skf18(u,x)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(73,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| skP0(u,v)
| event(v,skf17(v,w)) ),
inference(mrr,[status(thm)],[71,12]),
[iquote('0:MRR:71.0,12.1')] ).
cnf(22,axiom,
( ~ cannon(u,v)
| ~ skP1(w,u)
| ~ member(u,v,w)
| ~ of(u,v,w)
| event(u,skf17(u,x)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(69,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| skP0(u,v)
| present(v,skf17(v,w)) ),
inference(mrr,[status(thm)],[67,12]),
[iquote('0:MRR:67.0,12.1')] ).
cnf(23,axiom,
( ~ cannon(u,v)
| ~ skP1(w,u)
| ~ member(u,v,w)
| ~ of(u,v,w)
| present(u,skf17(u,x)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(65,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| skP0(u,v)
| nonreflexive(v,skf17(v,w)) ),
inference(mrr,[status(thm)],[63,12]),
[iquote('0:MRR:63.0,12.1')] ).
cnf(24,axiom,
( ~ cannon(u,v)
| ~ skP1(w,u)
| ~ member(u,v,w)
| ~ of(u,v,w)
| nonreflexive(u,skf17(u,x)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(61,plain,
( ~ skP1(u,v)
| ~ of(v,skf14(v,u),u)
| skP0(u,v)
| fire(v,skf17(v,w)) ),
inference(mrr,[status(thm)],[59,12]),
[iquote('0:MRR:59.0,12.1')] ).
cnf(57,plain,
( ~ skP0(skc10,skc9)
| ~ group(skc9,u)
| ~ six(skc9,u)
| ~ skP0(u,skc9) ),
inference(ssi,[status(thm)],[56,1]),
[iquote('1:SSi:56.0,1.0')] ).
cnf(25,axiom,
( ~ cannon(u,v)
| ~ skP1(w,u)
| ~ member(u,v,w)
| ~ of(u,v,w)
| fire(u,skf17(u,x)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(55,plain,
( ~ skP0(skc10,skc9)
| shot(skc9,skf11(skc9,skc10)) ),
inference(mrr,[status(thm)],[54,44,45]),
[iquote('1:MRR:54.0,54.1,44.0,45.0')] ).
cnf(49,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| member(u,skf11(u,v),v) ),
inference(mrr,[status(thm)],[21,43]),
[iquote('1:MRR:21.4,43.0')] ).
cnf(50,plain,
( ~ actual_world(u)
| ~ group(u,v)
| ~ six(u,v)
| ~ skP0(v,u)
| ~ shot(u,skf11(u,w)) ),
inference(mrr,[status(thm)],[20,43]),
[iquote('1:MRR:20.5,43.0')] ).
cnf(52,plain,
( skP0(skc10,skc9)
| shot(skc9,skf14(skc9,skc10)) ),
inference(res,[status(thm),theory(equality)],[15,48]),
[iquote('1:Res:15.1,48.0')] ).
cnf(19,axiom,
( skP0(u,v)
| of(v,skf14(v,w),skf16(v,w)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(15,axiom,
( skP0(u,v)
| member(v,skf14(v,u),u) ),
file('NLP068+1.p',unknown),
[] ).
cnf(17,axiom,
( skP1(u,v)
| member(v,skf21(v,u),u) ),
file('NLP068+1.p',unknown),
[] ).
cnf(16,axiom,
( skP1(u,v)
| of(v,skf21(v,u),u) ),
file('NLP068+1.p',unknown),
[] ).
cnf(12,axiom,
( skP0(u,v)
| cannon(v,skf14(v,w)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(13,axiom,
( skP1(u,v)
| cannon(v,skf21(v,w)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(10,axiom,
( skP0(u,v)
| male(v,skf16(v,w)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(11,axiom,
( skP0(u,v)
| man(v,skf16(v,w)) ),
file('NLP068+1.p',unknown),
[] ).
cnf(48,plain,
( ~ member(skc9,u,skc10)
| shot(skc9,u) ),
inference(mrr,[status(thm)],[14,43]),
[iquote('1:MRR:14.1,43.0')] ).
cnf(47,plain,
male(skc9,skc10),
inference(mrr,[status(thm)],[3,43]),
[iquote('1:MRR:3.0,43.0')] ).
cnf(46,plain,
skP1(skc10,skc9),
inference(mrr,[status(thm)],[4,43]),
[iquote('1:MRR:4.0,43.0')] ).
cnf(45,plain,
six(skc9,skc10),
inference(mrr,[status(thm)],[5,43]),
[iquote('1:MRR:5.0,43.0')] ).
cnf(44,plain,
group(skc9,skc10),
inference(mrr,[status(thm)],[6,43]),
[iquote('1:MRR:6.0,43.0')] ).
cnf(1,axiom,
actual_world(skc9),
file('NLP068+1.p',unknown),
[] ).
cnf(2,axiom,
actual_world(skc4),
file('NLP068+1.p',unknown),
[] ).
cnf(43,plain,
~ skC0,
inference(spt,[],[31]),
[iquote('1:Spt:31.1')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : NLP068+1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.13 % Command : run_spass %d %s
% 0.12/0.33 % Computer : n012.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
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 600
% 0.12/0.34 % DateTime : Fri Jul 1 03:42:32 EDT 2022
% 0.12/0.34 % CPUTime :
% 0.19/0.49
% 0.19/0.49 SPASS V 3.9
% 0.19/0.49 SPASS beiseite: Completion found.
% 0.19/0.49 % SZS status CounterSatisfiable
% 0.19/0.49 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.49 SPASS derived 86 clauses, backtracked 0 clauses, performed 1 splits and kept 94 clauses.
% 0.19/0.49 SPASS allocated 98298 KBytes.
% 0.19/0.49 SPASS spent 0:00:00.15 on the problem.
% 0.19/0.49 0:00:00.04 for the input.
% 0.19/0.49 0:00:00.08 for the FLOTTER CNF translation.
% 0.19/0.49 0:00:00.00 for inferences.
% 0.19/0.49 0:00:00.00 for the backtracking.
% 0.19/0.49 0:00:00.01 for the reduction.
% 0.19/0.49
% 0.19/0.49
% 0.19/0.49 The saturated set of worked-off clauses is :
% 0.19/0.49 % SZS output start Saturation
% See solution above
%------------------------------------------------------------------------------