TSTP Solution File: SWW415-1 by SnakeForV-SAT---1.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SnakeForV-SAT---1.0
% Problem  : SWW415-1 : TPTP v8.1.0. Released v5.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s

% Computer : n020.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 : Wed Aug 31 19:19:20 EDT 2022

% Result   : Satisfiable 2.87s 0.74s
% Output   : FiniteModel 2.87s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SWW415-1 : TPTP v8.1.0. Released v5.2.0.
% 0.11/0.13  % Command    : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.35  % Computer : n020.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit   : 300
% 0.13/0.35  % WCLimit    : 300
% 0.13/0.35  % DateTime   : Tue Aug 30 20:37:30 EDT 2022
% 0.13/0.35  % CPUTime    : 
% 0.20/0.54  % (8899)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 0.20/0.54  % (8906)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.20/0.54  % (8898)fmb+10_1:1_fmbsr=2.0:nm=4:skr=on:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.55  TRYING [1]
% 0.20/0.55  % (8907)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=75:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/75Mi)
% 0.20/0.55  % (8915)ott+11_1:1_drc=off:nwc=5.0:slsq=on:slsqc=1:spb=goal_then_units:to=lpo:i=467:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/467Mi)
% 0.20/0.55  % (8914)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=498:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/498Mi)
% 0.20/0.55  TRYING [2]
% 0.20/0.56  % (8899)Instruction limit reached!
% 0.20/0.56  % (8899)------------------------------
% 0.20/0.56  % (8899)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 0.20/0.56  % (8899)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 0.20/0.56  % (8899)Termination reason: Unknown
% 0.20/0.56  % (8899)Termination phase: Saturation
% 0.20/0.56  
% 0.20/0.56  % (8899)Memory used [KB]: 5500
% 0.20/0.56  % (8899)Time elapsed: 0.103 s
% 0.20/0.56  % (8899)Instructions burned: 7 (million)
% 0.20/0.56  % (8899)------------------------------
% 0.20/0.56  % (8899)------------------------------
% 0.20/0.56  TRYING [3]
% 0.20/0.60  % (8895)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.60  % (8904)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 0.20/0.60  % (8905)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 0.20/0.60  % (8921)ott+10_7:2_awrs=decay:awrsf=8:bd=preordered:drc=off:fd=preordered:fde=unused:fsr=off:slsq=on:slsqc=2:slsqr=5,8:sp=const_min:spb=units:to=lpo:i=355:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/355Mi)
% 0.20/0.60  % (8920)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 0.20/0.60  % (8917)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 0.20/0.61  % (8919)ott+11_2:3_av=off:fde=unused:nwc=5.0:tgt=ground:i=177:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/177Mi)
% 0.20/0.61  % (8897)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=48:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/48Mi)
% 0.20/0.61  % (8918)ins+10_1:1_awrs=decay:awrsf=30:bsr=unit_only:foolp=on:igrr=8/457:igs=10:igwr=on:nwc=1.5:sp=weighted_frequency:to=lpo:uhcvi=on:i=68:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/68Mi)
% 0.20/0.61  % (8896)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 0.20/0.61  % (8894)ott+4_1:1_av=off:bd=off:nwc=5.0:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=37:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/37Mi)
% 1.77/0.61  % (8903)ott+10_1:32_bd=off:fsr=off:newcnf=on:tgt=full:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.77/0.61  % (8909)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 1.77/0.61  % (8912)ott+10_1:8_bsd=on:fsd=on:lcm=predicate:nwc=5.0:s2a=on:s2at=1.5:spb=goal_then_units:i=176:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/176Mi)
% 1.77/0.61  % (8901)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.77/0.61  % (8913)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 1.77/0.61  % (8902)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.77/0.62  % (8911)ott+4_1:1_av=off:bd=off:nwc=5.0:rp=on:s2a=on:s2at=2.0:slsq=on:slsqc=2:slsql=off:slsqr=1,2:sp=frequency:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.77/0.62  % (8892)fmb+10_1:1_bce=on:fmbsr=1.5:nm=4:skr=on:i=191324:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/191324Mi)
% 1.77/0.62  % (8898)Instruction limit reached!
% 1.77/0.62  % (8898)------------------------------
% 1.77/0.62  % (8898)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.77/0.62  % (8898)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.77/0.62  % (8898)Termination reason: Unknown
% 1.77/0.62  % (8898)Termination phase: Finite model building SAT solving
% 1.77/0.62  
% 1.77/0.62  % (8898)Memory used [KB]: 7547
% 1.77/0.62  % (8898)Time elapsed: 0.167 s
% 1.77/0.62  % (8898)Instructions burned: 51 (million)
% 1.77/0.62  % (8898)------------------------------
% 1.77/0.62  % (8898)------------------------------
% 1.77/0.62  % (8910)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.77/0.62  % (8893)ott+10_1:32_abs=on:br=off:urr=ec_only:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.77/0.62  % (8908)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 1.77/0.63  % (8916)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 2.09/0.63  TRYING [1]
% 2.09/0.63  TRYING [2]
% 2.09/0.64  TRYING [1]
% 2.09/0.64  TRYING [2]
% 2.09/0.64  % (8900)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 2.09/0.64  % (8900)Instruction limit reached!
% 2.09/0.64  % (8900)------------------------------
% 2.09/0.64  % (8900)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.09/0.64  % (8900)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.09/0.64  % (8900)Termination reason: Unknown
% 2.09/0.64  % (8900)Termination phase: Saturation
% 2.09/0.64  
% 2.09/0.64  % (8900)Memory used [KB]: 5373
% 2.09/0.64  % (8900)Time elapsed: 0.004 s
% 2.09/0.64  % (8900)Instructions burned: 2 (million)
% 2.09/0.64  % (8900)------------------------------
% 2.09/0.64  % (8900)------------------------------
% 2.09/0.66  TRYING [3]
% 2.37/0.66  TRYING [3]
% 2.37/0.68  % (8906)Instruction limit reached!
% 2.37/0.68  % (8906)------------------------------
% 2.37/0.68  % (8906)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.37/0.68  % (8906)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.37/0.68  % (8906)Termination reason: Unknown
% 2.37/0.68  % (8906)Termination phase: Saturation
% 2.37/0.68  
% 2.37/0.68  % (8906)Memory used [KB]: 7036
% 2.37/0.68  % (8906)Time elapsed: 0.073 s
% 2.37/0.68  % (8906)Instructions burned: 68 (million)
% 2.37/0.68  % (8906)------------------------------
% 2.37/0.68  % (8906)------------------------------
% 2.37/0.69  % (8907)Instruction limit reached!
% 2.37/0.69  % (8907)------------------------------
% 2.37/0.69  % (8907)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.37/0.69  % (8907)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.37/0.69  % (8907)Termination reason: Unknown
% 2.37/0.69  % (8907)Termination phase: Saturation
% 2.37/0.69  
% 2.37/0.69  % (8907)Memory used [KB]: 2174
% 2.37/0.69  % (8907)Time elapsed: 0.223 s
% 2.37/0.69  % (8907)Instructions burned: 76 (million)
% 2.37/0.69  % (8907)------------------------------
% 2.37/0.69  % (8907)------------------------------
% 2.37/0.69  % (8894)Instruction limit reached!
% 2.37/0.69  % (8894)------------------------------
% 2.37/0.69  % (8894)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.37/0.69  % (8894)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.37/0.69  % (8894)Termination reason: Unknown
% 2.37/0.69  % (8894)Termination phase: Saturation
% 2.37/0.69  
% 2.37/0.69  % (8894)Memory used [KB]: 1918
% 2.37/0.69  % (8894)Time elapsed: 0.247 s
% 2.37/0.69  % (8894)Instructions burned: 37 (million)
% 2.37/0.69  % (8894)------------------------------
% 2.37/0.69  % (8894)------------------------------
% 2.37/0.71  % (8895)Instruction limit reached!
% 2.37/0.71  % (8895)------------------------------
% 2.37/0.71  % (8895)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.37/0.71  % (8895)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.37/0.71  % (8895)Termination reason: Unknown
% 2.37/0.71  % (8895)Termination phase: Saturation
% 2.37/0.71  
% 2.37/0.71  % (8895)Memory used [KB]: 6396
% 2.37/0.71  % (8895)Time elapsed: 0.258 s
% 2.37/0.71  % (8895)Instructions burned: 53 (million)
% 2.37/0.71  % (8895)------------------------------
% 2.37/0.71  % (8895)------------------------------
% 2.37/0.72  % (8897)Instruction limit reached!
% 2.37/0.72  % (8897)------------------------------
% 2.37/0.72  % (8897)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.37/0.72  % (8897)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.37/0.72  % (8897)Termination reason: Unknown
% 2.37/0.72  % (8897)Termination phase: Saturation
% 2.37/0.72  
% 2.37/0.72  % (8897)Memory used [KB]: 6268
% 2.37/0.72  % (8897)Time elapsed: 0.265 s
% 2.37/0.72  % (8897)Instructions burned: 48 (million)
% 2.37/0.72  % (8897)------------------------------
% 2.37/0.72  % (8897)------------------------------
% 2.37/0.72  % (8896)Instruction limit reached!
% 2.37/0.72  % (8896)------------------------------
% 2.37/0.72  % (8896)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.37/0.72  % (8896)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.37/0.72  % (8896)Termination reason: Unknown
% 2.37/0.72  % (8896)Termination phase: Saturation
% 2.37/0.72  
% 2.37/0.72  % (8896)Memory used [KB]: 6524
% 2.37/0.72  % (8896)Time elapsed: 0.292 s
% 2.37/0.72  % (8896)Instructions burned: 51 (million)
% 2.37/0.72  % (8896)------------------------------
% 2.37/0.72  % (8896)------------------------------
% 2.37/0.72  % (8909)Instruction limit reached!
% 2.37/0.72  % (8909)------------------------------
% 2.37/0.72  % (8909)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.37/0.72  % (8909)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.37/0.72  % (8909)Termination reason: Unknown
% 2.37/0.72  % (8909)Termination phase: Finite model building SAT solving
% 2.37/0.72  
% 2.37/0.72  % (8909)Memory used [KB]: 7547
% 2.37/0.72  % (8909)Time elapsed: 0.214 s
% 2.37/0.72  % (8909)Instructions burned: 59 (million)
% 2.37/0.72  % (8909)------------------------------
% 2.37/0.72  % (8909)------------------------------
% 2.37/0.73  % (8902)Instruction limit reached!
% 2.37/0.73  % (8902)------------------------------
% 2.37/0.73  % (8902)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.37/0.73  % (8902)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.37/0.73  % (8902)Termination reason: Unknown
% 2.37/0.73  % (8902)Termination phase: Saturation
% 2.37/0.73  
% 2.37/0.73  % (8902)Memory used [KB]: 6524
% 2.37/0.73  % (8902)Time elapsed: 0.282 s
% 2.37/0.73  % (8902)Instructions burned: 51 (million)
% 2.37/0.73  % (8902)------------------------------
% 2.37/0.73  % (8902)------------------------------
% 2.87/0.73  % (8901)Instruction limit reached!
% 2.87/0.73  % (8901)------------------------------
% 2.87/0.73  % (8901)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.87/0.73  % (8901)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.87/0.73  % (8901)Termination reason: Unknown
% 2.87/0.73  % (8901)Termination phase: Saturation
% 2.87/0.73  
% 2.87/0.73  % (8901)Memory used [KB]: 2046
% 2.87/0.73  % (8901)Time elapsed: 0.258 s
% 2.87/0.73  % (8901)Instructions burned: 52 (million)
% 2.87/0.73  % (8901)------------------------------
% 2.87/0.73  % (8901)------------------------------
% 2.87/0.73  % (8893)Instruction limit reached!
% 2.87/0.73  % (8893)------------------------------
% 2.87/0.73  % (8893)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.87/0.73  % (8893)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.87/0.73  % (8893)Termination reason: Unknown
% 2.87/0.73  % (8893)Termination phase: Saturation
% 2.87/0.73  
% 2.87/0.73  % (8893)Memory used [KB]: 6524
% 2.87/0.73  % (8893)Time elapsed: 0.252 s
% 2.87/0.73  % (8893)Instructions burned: 51 (million)
% 2.87/0.73  % (8893)------------------------------
% 2.87/0.73  % (8893)------------------------------
% 2.87/0.74  Finite Model Found!
% 2.87/0.74  % SZS status Satisfiable for theBenchmark
% 2.87/0.74  % (8892)First to succeed.
% 2.87/0.75  % SZS output start FiniteModel for theBenchmark
% 2.87/0.75  tff(declare_$i,type,$i:$tType).
% 2.87/0.75  tff(declare_$i1,type,nil:$i).
% 2.87/0.75  tff(declare_$i2,type,x1:$i).
% 2.87/0.75  tff(declare_$i3,type,x3:$i).
% 2.87/0.75  tff(finite_domain,axiom,
% 2.87/0.75        ! [X:$i] : (
% 2.87/0.75           X = nil | X = x1 | X = x3
% 2.87/0.75        ) ).
% 2.87/0.75  
% 2.87/0.75  tff(distinct_domain,axiom,
% 2.87/0.75           nil != x1 & nil != x3 & x1 != x3
% 2.87/0.75  ).
% 2.87/0.75  
% 2.87/0.75  tff(declare_bool,type,$o:$tType).
% 2.87/0.75  tff(declare_bool1,type,fmb_bool_1:$o).
% 2.87/0.75  tff(finite_domain,axiom,
% 2.87/0.75        ! [X:$o] : (
% 2.87/0.75           X = fmb_bool_1
% 2.87/0.75        ) ).
% 2.87/0.75  
% 2.87/0.75  tff(declare_x2,type,x2:$i).
% 2.87/0.75  tff(x2_definition,axiom,x2 = nil).
% 2.87/0.75  tff(declare_emp,type,emp:$i).
% 2.87/0.75  tff(emp_definition,axiom,emp = nil).
% 2.87/0.75  tff(declare_sep,type,sep: $i * $i > $i).
% 2.87/0.75  tff(function_sep,axiom,
% 2.87/0.75             sep(nil,nil) = x1
% 2.87/0.75           & sep(nil,x1) = x3
% 2.87/0.75           & sep(nil,x3) = x3
% 2.87/0.75           & sep(x1,nil) = nil
% 2.87/0.75           & sep(x1,x1) = x1
% 2.87/0.75           & sep(x1,x3) = x3
% 2.87/0.75           & sep(x3,nil) = x3
% 2.87/0.75           & sep(x3,x1) = x3
% 2.87/0.75           & sep(x3,x3) = x3
% 2.87/0.75  
% 2.87/0.75  ).
% 2.87/0.75  
% 2.87/0.75  tff(declare_lseg,type,lseg: $i * $i > $i).
% 2.87/0.75  tff(function_lseg,axiom,
% 2.87/0.75             lseg(nil,nil) = x1
% 2.87/0.75           & lseg(nil,x1) = x3
% 2.87/0.75           & lseg(nil,x3) = x3
% 2.87/0.75           & lseg(x1,nil) = x3
% 2.87/0.75           & lseg(x1,x1) = x1
% 2.87/0.75           & lseg(x1,x3) = x3
% 2.87/0.75           & lseg(x3,nil) = nil
% 2.87/0.75           & lseg(x3,x1) = nil
% 2.87/0.75           & lseg(x3,x3) = x1
% 2.87/0.75  
% 2.87/0.75  ).
% 2.87/0.75  
% 2.87/0.75  tff(declare_next,type,next: $i * $i > $i).
% 2.87/0.75  tff(function_next,axiom,
% 2.87/0.75             next(nil,nil) = x3
% 2.87/0.75           & next(nil,x1) = x3
% 2.87/0.75           & next(nil,x3) = x3
% 2.87/0.75           & next(x1,nil) = x3
% 2.87/0.75           & next(x1,x1) = x3
% 2.87/0.75           & next(x1,x3) = x3
% 2.87/0.75           & next(x3,nil) = nil
% 2.87/0.75           & next(x3,x1) = nil
% 2.87/0.75           & next(x3,x3) = nil
% 2.87/0.75  
% 2.87/0.75  ).
% 2.87/0.75  
% 2.87/0.75  tff(declare_heap,type,heap: $i > $o ).
% 2.87/0.75  tff(predicate_heap,axiom,
% 2.87/0.75             ~heap(nil)
% 2.87/0.75           & heap(x1)
% 2.87/0.75           & ~heap(x3)
% 2.87/0.75  
% 2.87/0.75  ).
% 2.87/0.75  
% 2.87/0.75  % SZS output end FiniteModel for theBenchmark
% 2.87/0.75  % (8892)------------------------------
% 2.87/0.75  % (8892)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.87/0.75  % (8892)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.87/0.75  % (8892)Termination reason: Satisfiable
% 2.87/0.75  
% 2.87/0.75  % (8892)Memory used [KB]: 7547
% 2.87/0.75  % (8892)Time elapsed: 0.236 s
% 2.87/0.75  % (8892)Instructions burned: 58 (million)
% 2.87/0.75  % (8892)------------------------------
% 2.87/0.75  % (8892)------------------------------
% 2.87/0.75  % (8891)Success in time 0.379 s
%------------------------------------------------------------------------------