TSTP Solution File: GRP685-10 by SnakeForV-SAT---1.0
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : SnakeForV-SAT---1.0
% Problem : GRP685-10 : TPTP v8.1.0. Released v8.1.0.
% 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 : n009.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 16:23:38 EDT 2022
% Result : Unsatisfiable 6.54s 1.19s
% Output : Refutation 6.54s
% Verified :
% SZS Type : Refutation
% Derivation depth : 21
% Number of leaves : 8
% Syntax : Number of formulae : 62 ( 62 unt; 0 def)
% Number of atoms : 62 ( 61 equ)
% Maximal formula atoms : 1 ( 1 avg)
% Number of connectives : 5 ( 5 ~; 0 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 3 con; 0-2 aty)
% Number of variables : 129 ( 129 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(f7516,plain,
$false,
inference(subsumption_resolution,[],[f399,f4747]) ).
fof(f4747,plain,
! [X46,X47,X44] : mult(X47,ld(ld(X44,X46),ld(X44,X46))) = mult(X47,ld(X46,X46)),
inference(forward_demodulation,[],[f4746,f1257]) ).
fof(f1257,plain,
! [X16,X14,X15] : mult(X16,ld(X15,X15)) = mult(X16,ld(mult(X14,X15),mult(X14,X15))),
inference(forward_demodulation,[],[f1155,f172]) ).
fof(f172,plain,
! [X4] : ld(X4,X4) = ld(ld(X4,X4),ld(X4,X4)),
inference(forward_demodulation,[],[f160,f52]) ).
fof(f52,plain,
! [X1] : ld(X1,X1) = mult(X1,ld(X1,ld(ld(X1,X1),ld(X1,X1)))),
inference(forward_demodulation,[],[f26,f31]) ).
fof(f31,plain,
! [X0] : rd(X0,X0) = ld(X0,X0),
inference(forward_demodulation,[],[f27,f11]) ).
fof(f11,plain,
! [X0] : ld(X0,X0) = mult(X0,ld(X0,ld(X0,X0))),
inference(superposition,[],[f3,f9]) ).
fof(f9,plain,
! [X0] : mult(X0,ld(X0,X0)) = X0,
inference(superposition,[],[f3,f1]) ).
fof(f1,axiom,
! [X0] : ld(X0,mult(X0,X0)) = X0,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f01) ).
fof(f3,axiom,
! [X0,X1] : mult(X0,ld(X0,X1)) = ld(X0,mult(X0,X1)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f03) ).
fof(f27,plain,
! [X0] : rd(X0,X0) = mult(X0,ld(X0,ld(X0,X0))),
inference(superposition,[],[f15,f24]) ).
fof(f24,plain,
! [X0,X1] : mult(rd(rd(X0,X0),X1),X1) = mult(X0,ld(X0,ld(X1,X1))),
inference(forward_demodulation,[],[f23,f3]) ).
fof(f23,plain,
! [X0,X1] : ld(X0,mult(X0,ld(X1,X1))) = mult(rd(rd(X0,X0),X1),X1),
inference(forward_demodulation,[],[f7,f4]) ).
fof(f4,axiom,
! [X0,X1] : mult(rd(X0,X1),X1) = rd(mult(X0,X1),X1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f04) ).
fof(f7,axiom,
! [X0,X1] : ld(X0,mult(X0,ld(X1,X1))) = rd(mult(rd(X0,X0),X1),X1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f07) ).
fof(f15,plain,
! [X0] : rd(X0,X0) = mult(rd(rd(X0,X0),X0),X0),
inference(superposition,[],[f4,f13]) ).
fof(f13,plain,
! [X0] : mult(rd(X0,X0),X0) = X0,
inference(superposition,[],[f4,f2]) ).
fof(f2,axiom,
! [X0] : rd(mult(X0,X0),X0) = X0,
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f02) ).
fof(f26,plain,
! [X1] : rd(X1,X1) = mult(X1,ld(X1,ld(rd(X1,X1),rd(X1,X1)))),
inference(superposition,[],[f24,f13]) ).
fof(f160,plain,
! [X4] : mult(X4,ld(X4,ld(ld(X4,X4),ld(X4,X4)))) = ld(ld(X4,X4),ld(X4,X4)),
inference(superposition,[],[f88,f11]) ).
fof(f88,plain,
! [X2,X3] : mult(X2,ld(X2,mult(ld(X2,X2),X3))) = mult(ld(X2,X2),X3),
inference(superposition,[],[f83,f11]) ).
fof(f83,plain,
! [X2,X0,X1] : mult(mult(X0,ld(X0,X1)),X2) = mult(X0,ld(X0,mult(X1,X2))),
inference(forward_demodulation,[],[f66,f3]) ).
fof(f66,plain,
! [X2,X0,X1] : ld(X0,mult(X0,mult(X1,X2))) = mult(mult(X0,ld(X0,X1)),X2),
inference(superposition,[],[f64,f1]) ).
fof(f64,plain,
! [X2,X3,X0,X1] : ld(ld(X0,X1),mult(ld(X0,X1),mult(X2,X3))) = mult(mult(X0,ld(X0,X2)),X3),
inference(forward_demodulation,[],[f5,f3]) ).
fof(f5,axiom,
! [X2,X3,X0,X1] : ld(ld(X0,X1),mult(ld(X0,X1),mult(X2,X3))) = mult(ld(X0,mult(X0,X2)),X3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f05) ).
fof(f1155,plain,
! [X16,X14,X15] : mult(X16,ld(ld(X15,X15),ld(X15,X15))) = mult(X16,ld(mult(X14,X15),mult(X14,X15))),
inference(superposition,[],[f505,f942]) ).
fof(f942,plain,
! [X3,X4] : rd(mult(X3,X4),ld(X4,X4)) = mult(X3,X4),
inference(forward_demodulation,[],[f941,f9]) ).
fof(f941,plain,
! [X3,X4] : mult(X3,mult(X4,ld(X4,X4))) = rd(mult(X3,X4),ld(X4,X4)),
inference(forward_demodulation,[],[f926,f172]) ).
fof(f926,plain,
! [X3,X4] : rd(mult(X3,X4),ld(X4,X4)) = mult(X3,mult(X4,ld(ld(X4,X4),ld(X4,X4)))),
inference(superposition,[],[f360,f898]) ).
fof(f898,plain,
! [X2,X1] : mult(X1,X2) = mult(mult(X1,X2),ld(X2,X2)),
inference(forward_demodulation,[],[f365,f713]) ).
fof(f713,plain,
! [X2,X1] : mult(mult(X1,ld(X2,X2)),X2) = mult(X1,X2),
inference(forward_demodulation,[],[f665,f9]) ).
fof(f665,plain,
! [X2,X1] : mult(X1,mult(X2,ld(X2,X2))) = mult(mult(X1,ld(X2,X2)),X2),
inference(superposition,[],[f554,f310]) ).
fof(f310,plain,
! [X16,X17] : rd(mult(X16,X17),X17) = mult(X16,ld(X17,X17)),
inference(forward_demodulation,[],[f309,f108]) ).
fof(f108,plain,
! [X0,X1] : mult(X0,X1) = mult(X0,mult(X0,ld(X0,X1))),
inference(forward_demodulation,[],[f87,f3]) ).
fof(f87,plain,
! [X0,X1] : mult(X0,X1) = mult(X0,ld(X0,mult(X0,X1))),
inference(superposition,[],[f83,f9]) ).
fof(f309,plain,
! [X16,X17] : rd(mult(X16,X17),X17) = mult(X16,mult(X16,ld(X16,ld(X17,X17)))),
inference(forward_demodulation,[],[f280,f33]) ).
fof(f33,plain,
! [X0,X1] : mult(rd(ld(X0,X0),X1),X1) = mult(X0,ld(X0,ld(X1,X1))),
inference(backward_demodulation,[],[f24,f31]) ).
fof(f280,plain,
! [X16,X17] : rd(mult(X16,X17),X17) = mult(X16,mult(rd(ld(X16,X16),X17),X17)),
inference(superposition,[],[f257,f9]) ).
fof(f257,plain,
! [X2,X0,X1] : rd(mult(mult(X1,X2),X0),X0) = mult(X1,mult(rd(X2,X0),X0)),
inference(superposition,[],[f65,f2]) ).
fof(f65,plain,
! [X2,X3,X0,X1] : rd(mult(mult(X0,X1),rd(X2,X3)),rd(X2,X3)) = mult(X0,mult(rd(X1,X3),X3)),
inference(forward_demodulation,[],[f6,f4]) ).
fof(f6,axiom,
! [X2,X3,X0,X1] : rd(mult(mult(X0,X1),rd(X2,X3)),rd(X2,X3)) = mult(X0,rd(mult(X1,X3),X3)),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',f06) ).
fof(f554,plain,
! [X10,X11,X9] : mult(X9,mult(X10,ld(X11,X11))) = mult(rd(mult(X9,X10),X11),X11),
inference(forward_demodulation,[],[f297,f322]) ).
fof(f322,plain,
! [X0,X1] : mult(rd(X0,X1),X1) = mult(X0,ld(X1,X1)),
inference(backward_demodulation,[],[f4,f310]) ).
fof(f297,plain,
! [X10,X11,X9] : mult(X9,mult(rd(X10,X11),X11)) = mult(rd(mult(X9,X10),X11),X11),
inference(superposition,[],[f257,f4]) ).
fof(f365,plain,
! [X2,X1] : mult(mult(X1,ld(X2,X2)),X2) = mult(mult(X1,X2),ld(X2,X2)),
inference(superposition,[],[f322,f310]) ).
fof(f360,plain,
! [X2,X0,X1] : rd(mult(mult(X1,X2),X0),X0) = mult(X1,mult(X2,ld(X0,X0))),
inference(backward_demodulation,[],[f257,f322]) ).
fof(f505,plain,
! [X6,X7,X5] : mult(X5,ld(rd(X6,X7),rd(X6,X7))) = mult(X5,ld(X7,X7)),
inference(superposition,[],[f267,f310]) ).
fof(f267,plain,
! [X24,X22,X23] : mult(X22,ld(X24,X24)) = rd(mult(X22,rd(X23,X24)),rd(X23,X24)),
inference(forward_demodulation,[],[f266,f108]) ).
fof(f266,plain,
! [X24,X22,X23] : mult(X22,mult(X22,ld(X22,ld(X24,X24)))) = rd(mult(X22,rd(X23,X24)),rd(X23,X24)),
inference(forward_demodulation,[],[f248,f33]) ).
fof(f248,plain,
! [X24,X22,X23] : mult(X22,mult(rd(ld(X22,X22),X24),X24)) = rd(mult(X22,rd(X23,X24)),rd(X23,X24)),
inference(superposition,[],[f65,f9]) ).
fof(f4746,plain,
! [X46,X47,X44,X45] : mult(X47,ld(ld(X44,X46),ld(X44,X46))) = mult(X47,ld(mult(ld(X44,X45),X46),mult(ld(X44,X45),X46))),
inference(forward_demodulation,[],[f4505,f1257]) ).
fof(f4505,plain,
! [X46,X47,X44,X45] : mult(X47,ld(mult(ld(X44,X45),X46),mult(ld(X44,X45),X46))) = mult(X47,ld(mult(X44,ld(X44,X46)),mult(X44,ld(X44,X46)))),
inference(superposition,[],[f1257,f1790]) ).
fof(f1790,plain,
! [X10,X11,X12] : mult(ld(X10,X11),X12) = mult(ld(X10,X11),mult(X10,ld(X10,X12))),
inference(superposition,[],[f108,f854]) ).
fof(f854,plain,
! [X10,X11,X9] : mult(ld(X9,X10),ld(ld(X9,X10),X11)) = mult(X9,ld(X9,X11)),
inference(superposition,[],[f797,f3]) ).
fof(f797,plain,
! [X2,X0,X1] : mult(X1,ld(X1,X0)) = ld(ld(X1,X2),mult(ld(X1,X2),X0)),
inference(superposition,[],[f84,f35]) ).
fof(f35,plain,
! [X0] : mult(ld(X0,X0),X0) = X0,
inference(backward_demodulation,[],[f13,f31]) ).
fof(f84,plain,
! [X2,X3,X0,X1] : ld(ld(X0,X1),mult(ld(X0,X1),mult(X2,X3))) = mult(X0,ld(X0,mult(X2,X3))),
inference(backward_demodulation,[],[f64,f83]) ).
fof(f399,plain,
mult(x6,ld(ld(x7,x8),ld(x7,x8))) != mult(x6,ld(x8,x8)),
inference(superposition,[],[f362,f322]) ).
fof(f362,plain,
mult(rd(x6,ld(x7,x8)),ld(x7,x8)) != mult(x6,ld(x8,x8)),
inference(backward_demodulation,[],[f22,f322]) ).
fof(f22,plain,
mult(rd(x6,ld(x7,x8)),ld(x7,x8)) != mult(rd(x6,x8),x8),
inference(superposition,[],[f21,f4]) ).
fof(f21,plain,
rd(mult(x6,ld(x7,x8)),ld(x7,x8)) != mult(rd(x6,x8),x8),
inference(forward_demodulation,[],[f8,f4]) ).
fof(f8,axiom,
rd(mult(x6,ld(x7,x8)),ld(x7,x8)) != rd(mult(x6,x8),x8),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12 % Problem : GRP685-10 : TPTP v8.1.0. Released v8.1.0.
% 0.06/0.13 % Command : vampire --input_syntax tptp --proof tptp --output_axiom_names on --mode portfolio --schedule snake_tptp_sat --cores 0 -t %d %s
% 0.13/0.34 % Computer : n009.cluster.edu
% 0.13/0.34 % Model : x86_64 x86_64
% 0.13/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34 % Memory : 8042.1875MB
% 0.13/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34 % CPULimit : 300
% 0.13/0.34 % WCLimit : 300
% 0.13/0.34 % DateTime : Mon Aug 29 22:42:50 EDT 2022
% 0.13/0.34 % CPUTime :
% 1.28/0.55 % (1605)dis+10_1:1_fsd=on:sp=occurrence:i=7:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/7Mi)
% 1.28/0.55 % (1623)ott+10_1:1_kws=precedence:tgt=ground:i=482:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/482Mi)
% 1.62/0.56 % (1606)dis+2_1:64_add=large:bce=on:bd=off:i=2:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/2Mi)
% 1.62/0.56 % (1606)Instruction limit reached!
% 1.62/0.56 % (1606)------------------------------
% 1.62/0.56 % (1606)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.62/0.56 % (1615)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)
% 1.62/0.56 % (1606)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.62/0.56 % (1606)Termination reason: Unknown
% 1.62/0.56 % (1606)Termination phase: Saturation
% 1.62/0.56
% 1.62/0.56 % (1606)Memory used [KB]: 5373
% 1.62/0.56 % (1606)Time elapsed: 0.004 s
% 1.62/0.56 % (1606)Instructions burned: 2 (million)
% 1.62/0.56 % (1606)------------------------------
% 1.62/0.56 % (1606)------------------------------
% 1.62/0.56 % (1605)Instruction limit reached!
% 1.62/0.56 % (1605)------------------------------
% 1.62/0.56 % (1605)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 1.62/0.57 % (1614)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)
% 1.62/0.57 % (1622)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)
% 1.62/0.57 % (1605)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 1.62/0.57 % (1605)Termination reason: Unknown
% 1.62/0.57 % (1605)Termination phase: Saturation
% 1.62/0.57
% 1.62/0.57 % (1605)Memory used [KB]: 5500
% 1.62/0.57 % (1605)Time elapsed: 0.136 s
% 1.62/0.57 % (1605)Instructions burned: 7 (million)
% 1.62/0.57 % (1605)------------------------------
% 1.62/0.57 % (1605)------------------------------
% 1.62/0.61 % (1598)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)
% 1.62/0.61 TRYING [1]
% 1.62/0.61 TRYING [2]
% 1.62/0.61 % (1618)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)
% 1.62/0.61 % (1603)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)
% 1.62/0.62 % (1601)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)
% 1.62/0.62 % (1600)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)
% 1.62/0.62 % (1619)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)
% 1.62/0.62 % (1626)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)
% 1.62/0.62 % (1625)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)
% 1.62/0.63 % (1610)ott+10_1:28_bd=off:bs=on:tgt=ground:i=101:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/101Mi)
% 1.62/0.63 % (1604)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)
% 1.62/0.63 % (1602)ott+33_1:4_s2a=on:tgt=ground:i=51:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/51Mi)
% 1.62/0.63 % (1628)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)
% 1.62/0.63 % (1621)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)
% 1.62/0.63 % (1608)ott+2_1:1_fsr=off:gsp=on:i=50:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/50Mi)
% 1.62/0.63 % (1609)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)
% 1.62/0.63 % (1627)ott+33_1:4_s2a=on:tgt=ground:i=439:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/439Mi)
% 1.62/0.63 % (1620)ott+3_1:1_gsp=on:lcm=predicate:i=138:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/138Mi)
% 1.62/0.63 % (1617)ott+10_1:1_tgt=ground:i=100:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/100Mi)
% 1.62/0.64 TRYING [3]
% 1.62/0.64 % (1613)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)
% 1.62/0.64 % (1612)ott+10_1:5_bd=off:tgt=full:i=99:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/99Mi)
% 1.62/0.65 % (1599)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)
% 1.62/0.65 TRYING [1]
% 1.62/0.65 TRYING [2]
% 1.62/0.65 % (1607)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)
% 1.62/0.65 TRYING [3]
% 2.34/0.65 % (1624)ott+10_1:5_bd=off:tgt=full:i=500:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/500Mi)
% 2.34/0.66 % (1616)fmb+10_1:1_bce=on:i=59:si=on:rawr=on:rtra=on_0 on theBenchmark for (2999ds/59Mi)
% 2.34/0.66 TRYING [1]
% 2.34/0.66 TRYING [2]
% 2.34/0.68 % (1614)Instruction limit reached!
% 2.34/0.68 % (1614)------------------------------
% 2.34/0.68 % (1614)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.34/0.68 % (1614)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.34/0.68 % (1614)Termination reason: Unknown
% 2.34/0.68 % (1614)Termination phase: Saturation
% 2.34/0.68
% 2.34/0.68 % (1614)Memory used [KB]: 2174
% 2.34/0.68 % (1614)Time elapsed: 0.251 s
% 2.34/0.68 % (1614)Instructions burned: 75 (million)
% 2.34/0.68 % (1614)------------------------------
% 2.34/0.68 % (1614)------------------------------
% 2.34/0.69 TRYING [3]
% 2.64/0.70 % (1600)Instruction limit reached!
% 2.64/0.70 % (1600)------------------------------
% 2.64/0.70 % (1600)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.64/0.70 % (1600)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.64/0.70 % (1600)Termination reason: Unknown
% 2.64/0.70 % (1600)Termination phase: Saturation
% 2.64/0.70
% 2.64/0.70 % (1600)Memory used [KB]: 1663
% 2.64/0.70 % (1600)Time elapsed: 0.262 s
% 2.64/0.70 % (1600)Instructions burned: 37 (million)
% 2.64/0.70 % (1600)------------------------------
% 2.64/0.70 % (1600)------------------------------
% 2.64/0.72 TRYING [4]
% 2.64/0.73 % (1604)Instruction limit reached!
% 2.64/0.73 % (1604)------------------------------
% 2.64/0.73 % (1604)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.64/0.73 % (1604)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.64/0.73 % (1604)Termination reason: Unknown
% 2.64/0.73 % (1604)Termination phase: Finite model building constraint generation
% 2.64/0.73
% 2.64/0.73 % (1604)Memory used [KB]: 6652
% 2.64/0.73 % (1604)Time elapsed: 0.259 s
% 2.64/0.73 % (1604)Instructions burned: 51 (million)
% 2.64/0.73 % (1604)------------------------------
% 2.64/0.73 % (1604)------------------------------
% 2.64/0.74 % (1615)Instruction limit reached!
% 2.64/0.74 % (1615)------------------------------
% 2.64/0.74 % (1615)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 2.64/0.74 % (1615)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 2.64/0.74 % (1615)Termination reason: Unknown
% 2.64/0.74 % (1615)Termination phase: Saturation
% 2.64/0.74
% 2.64/0.74 % (1615)Memory used [KB]: 6908
% 2.64/0.74 % (1615)Time elapsed: 0.318 s
% 2.64/0.74 % (1615)Instructions burned: 100 (million)
% 2.64/0.74 % (1615)------------------------------
% 2.64/0.74 % (1615)------------------------------
% 3.01/0.74 % (1608)Instruction limit reached!
% 3.01/0.74 % (1608)------------------------------
% 3.01/0.74 % (1608)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.01/0.74 % (1608)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.01/0.74 % (1608)Termination reason: Unknown
% 3.01/0.74 % (1608)Termination phase: Saturation
% 3.01/0.74
% 3.01/0.74 % (1608)Memory used [KB]: 6140
% 3.01/0.74 % (1608)Time elapsed: 0.328 s
% 3.01/0.74 % (1608)Instructions burned: 50 (million)
% 3.01/0.74 % (1608)------------------------------
% 3.01/0.74 % (1608)------------------------------
% 3.01/0.74 % (1602)Instruction limit reached!
% 3.01/0.74 % (1602)------------------------------
% 3.01/0.74 % (1602)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.01/0.74 % (1602)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.01/0.74 % (1602)Termination reason: Unknown
% 3.01/0.74 % (1602)Termination phase: Saturation
% 3.01/0.74
% 3.01/0.74 % (1602)Memory used [KB]: 6268
% 3.01/0.74 % (1602)Time elapsed: 0.328 s
% 3.01/0.74 % (1602)Instructions burned: 51 (million)
% 3.01/0.74 % (1602)------------------------------
% 3.01/0.74 % (1602)------------------------------
% 3.01/0.75 % (1601)Instruction limit reached!
% 3.01/0.75 % (1601)------------------------------
% 3.01/0.75 % (1601)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.01/0.75 % (1601)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.01/0.75 % (1601)Termination reason: Unknown
% 3.01/0.75 % (1601)Termination phase: Saturation
% 3.01/0.75
% 3.01/0.75 % (1601)Memory used [KB]: 6396
% 3.01/0.75 % (1601)Time elapsed: 0.330 s
% 3.01/0.75 % (1601)Instructions burned: 51 (million)
% 3.01/0.75 % (1601)------------------------------
% 3.01/0.75 % (1601)------------------------------
% 3.01/0.75 % (1641)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=388:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/388Mi)
% 3.01/0.76 TRYING [4]
% 3.01/0.78 % (1625)Instruction limit reached!
% 3.01/0.78 % (1625)------------------------------
% 3.01/0.78 % (1625)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.01/0.78 % (1625)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.01/0.78 % (1625)Termination reason: Unknown
% 3.01/0.78 % (1625)Termination phase: Saturation
% 3.01/0.78
% 3.01/0.78 % (1625)Memory used [KB]: 6908
% 3.01/0.78 % (1625)Time elapsed: 0.049 s
% 3.01/0.78 % (1625)Instructions burned: 69 (million)
% 3.01/0.78 % (1625)------------------------------
% 3.01/0.78 % (1625)------------------------------
% 3.01/0.78 % (1616)Instruction limit reached!
% 3.01/0.78 % (1616)------------------------------
% 3.01/0.78 % (1616)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.01/0.78 % (1616)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.01/0.78 % (1616)Termination reason: Unknown
% 3.01/0.78 % (1616)Termination phase: Finite model building constraint generation
% 3.01/0.78
% 3.01/0.78 % (1616)Memory used [KB]: 7164
% 3.01/0.78 % (1616)Time elapsed: 0.302 s
% 3.01/0.78 % (1616)Instructions burned: 59 (million)
% 3.01/0.78 % (1616)------------------------------
% 3.01/0.78 % (1616)------------------------------
% 3.01/0.78 % (1603)Instruction limit reached!
% 3.01/0.78 % (1603)------------------------------
% 3.01/0.78 % (1603)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.01/0.78 % (1603)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.01/0.78 % (1603)Termination reason: Unknown
% 3.01/0.78 % (1603)Termination phase: Saturation
% 3.01/0.78
% 3.01/0.78 % (1603)Memory used [KB]: 6140
% 3.01/0.78 % (1603)Time elapsed: 0.346 s
% 3.01/0.78 % (1603)Instructions burned: 48 (million)
% 3.01/0.78 % (1603)------------------------------
% 3.01/0.78 % (1603)------------------------------
% 3.01/0.80 % (1613)Instruction limit reached!
% 3.01/0.80 % (1613)------------------------------
% 3.01/0.80 % (1613)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.01/0.80 % (1613)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.01/0.80 % (1613)Termination reason: Unknown
% 3.01/0.80 % (1613)Termination phase: Saturation
% 3.01/0.80
% 3.01/0.80 % (1613)Memory used [KB]: 6908
% 3.01/0.80 % (1613)Time elapsed: 0.049 s
% 3.01/0.80 % (1613)Instructions burned: 68 (million)
% 3.01/0.80 % (1613)------------------------------
% 3.01/0.80 % (1613)------------------------------
% 3.40/0.80 % (1607)Instruction limit reached!
% 3.40/0.80 % (1607)------------------------------
% 3.40/0.80 % (1607)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.40/0.80 % (1607)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.40/0.80 % (1607)Termination reason: Unknown
% 3.40/0.80 % (1607)Termination phase: Saturation
% 3.40/0.80
% 3.40/0.80 % (1607)Memory used [KB]: 1663
% 3.40/0.80 % (1607)Time elapsed: 0.347 s
% 3.40/0.80 % (1607)Instructions burned: 52 (million)
% 3.40/0.80 % (1607)------------------------------
% 3.40/0.80 % (1607)------------------------------
% 3.40/0.82 % (1599)Instruction limit reached!
% 3.40/0.82 % (1599)------------------------------
% 3.40/0.82 % (1599)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.40/0.82 % (1599)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.40/0.82 % (1599)Termination reason: Unknown
% 3.40/0.82 % (1599)Termination phase: Saturation
% 3.40/0.82
% 3.40/0.82 % (1599)Memory used [KB]: 6268
% 3.40/0.82 % (1599)Time elapsed: 0.343 s
% 3.40/0.82 % (1599)Instructions burned: 51 (million)
% 3.40/0.82 % (1599)------------------------------
% 3.40/0.82 % (1599)------------------------------
% 3.40/0.83 % (1617)Instruction limit reached!
% 3.40/0.83 % (1617)------------------------------
% 3.40/0.83 % (1617)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.40/0.83 % (1617)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.40/0.83 % (1617)Termination reason: Unknown
% 3.40/0.83 % (1617)Termination phase: Saturation
% 3.40/0.83
% 3.40/0.83 % (1617)Memory used [KB]: 7036
% 3.40/0.83 % (1617)Time elapsed: 0.402 s
% 3.40/0.83 % (1617)Instructions burned: 100 (million)
% 3.40/0.83 % (1617)------------------------------
% 3.40/0.83 % (1617)------------------------------
% 3.40/0.83 % (1618)Instruction limit reached!
% 3.40/0.83 % (1618)------------------------------
% 3.40/0.83 % (1618)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.40/0.83 % (1618)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.40/0.83 % (1618)Termination reason: Unknown
% 3.40/0.83 % (1618)Termination phase: Saturation
% 3.40/0.83
% 3.40/0.83 % (1618)Memory used [KB]: 3198
% 3.40/0.83 % (1618)Time elapsed: 0.407 s
% 3.40/0.83 % (1618)Instructions burned: 101 (million)
% 3.40/0.83 % (1618)------------------------------
% 3.40/0.83 % (1618)------------------------------
% 3.40/0.84 % (1609)Instruction limit reached!
% 3.40/0.84 % (1609)------------------------------
% 3.40/0.84 % (1609)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.40/0.84 % (1609)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.40/0.84 % (1609)Termination reason: Unknown
% 3.40/0.84 % (1609)Termination phase: Saturation
% 3.40/0.84
% 3.40/0.84 % (1609)Memory used [KB]: 7419
% 3.40/0.84 % (1609)Time elapsed: 0.427 s
% 3.40/0.84 % (1609)Instructions burned: 101 (million)
% 3.40/0.84 % (1609)------------------------------
% 3.40/0.84 % (1609)------------------------------
% 3.40/0.85 % (1660)ott+1_1:2_i=920:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/920Mi)
% 3.71/0.89 % (1610)Instruction limit reached!
% 3.71/0.89 % (1610)------------------------------
% 3.71/0.89 % (1610)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.71/0.89 % (1610)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.71/0.89 % (1610)Termination reason: Unknown
% 3.71/0.89 % (1610)Termination phase: Saturation
% 3.71/0.89
% 3.71/0.89 % (1610)Memory used [KB]: 7291
% 3.71/0.89 % (1610)Time elapsed: 0.465 s
% 3.71/0.89 % (1610)Instructions burned: 101 (million)
% 3.71/0.89 % (1610)------------------------------
% 3.71/0.89 % (1610)------------------------------
% 3.71/0.91 % (1643)ott-1_1:6_av=off:cond=on:fsr=off:nwc=3.0:i=211:si=on:rawr=on:rtra=on_0 on theBenchmark for (2997ds/211Mi)
% 3.71/0.92 % (1622)Instruction limit reached!
% 3.71/0.92 % (1622)------------------------------
% 3.71/0.92 % (1622)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.71/0.92 % (1622)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.71/0.92 % (1622)Termination reason: Unknown
% 3.71/0.92 % (1622)Termination phase: Saturation
% 3.71/0.92
% 3.71/0.92 % (1622)Memory used [KB]: 11129
% 3.71/0.92 % (1622)Time elapsed: 0.490 s
% 3.71/0.92 % (1622)Instructions burned: 467 (million)
% 3.71/0.92 % (1622)------------------------------
% 3.71/0.92 % (1622)------------------------------
% 3.71/0.92 % (1664)ott+10_1:50_bsr=unit_only:drc=off:fd=preordered:sp=frequency:i=747:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/747Mi)
% 3.71/0.94 % (1626)Instruction limit reached!
% 3.71/0.94 % (1626)------------------------------
% 3.71/0.94 % (1626)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 3.71/0.94 % (1626)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 3.71/0.94 % (1626)Termination reason: Unknown
% 3.71/0.94 % (1626)Termination phase: Saturation
% 3.71/0.94
% 3.71/0.94 % (1626)Memory used [KB]: 4221
% 3.71/0.94 % (1626)Time elapsed: 0.521 s
% 3.71/0.94 % (1626)Instructions burned: 177 (million)
% 3.71/0.94 % (1626)------------------------------
% 3.71/0.94 % (1626)------------------------------
% 3.71/0.95 % (1687)ott+3_1:1_atotf=0.2:fsr=off:kws=precedence:sp=weighted_frequency:spb=intro:tgt=ground:i=4931:si=on:rawr=on:rtra=on_0 on theBenchmark for (2995ds/4931Mi)
% 4.03/0.96 % (1612)Instruction limit reached!
% 4.03/0.96 % (1612)------------------------------
% 4.03/0.96 % (1612)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 4.03/0.96 % (1612)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 4.03/0.96 % (1612)Termination reason: Unknown
% 4.03/0.96 % (1612)Termination phase: Saturation
% 4.03/0.96
% 4.03/0.96 % (1612)Memory used [KB]: 7291
% 4.03/0.96 % (1612)Time elapsed: 0.544 s
% 4.03/0.96 % (1612)Instructions burned: 99 (million)
% 4.03/0.96 % (1612)------------------------------
% 4.03/0.96 % (1612)------------------------------
% 4.03/0.98 % (1701)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=2134:si=on:rawr=on:rtra=on_0 on theBenchmark for (2994ds/2134Mi)
% 4.14/1.03 % (1665)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=655:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/655Mi)
% 4.18/1.05 % (1671)dis+34_1:32_abs=on:add=off:bsr=on:gsp=on:sp=weighted_frequency:i=940:si=on:rawr=on:rtra=on_0 on theBenchmark for (2995ds/940Mi)
% 5.58/1.07 % (1657)dis+22_1:128_bsd=on:rp=on:slsq=on:slsqc=1:slsqr=1,6:sp=frequency:spb=goal:thsq=on:thsqc=16:thsqd=1:thsql=off:i=90:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/90Mi)
% 5.58/1.08 WARNING Broken Constraint: if sine_depth(2) has been set then sine_selection(off) is not equal to off
% 5.58/1.08 % (1675)ott+11_4:1_br=off:fde=none:s2a=on:sd=2:sp=frequency:urr=on:i=981:si=on:rawr=on:rtra=on_0 on theBenchmark for (2995ds/981Mi)
% 5.58/1.09 % (1680)dis+10_1:2_atotf=0.3:i=3735:si=on:rawr=on:rtra=on_0 on theBenchmark for (2995ds/3735Mi)
% 5.58/1.12 % (1667)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 (2996ds/68Mi)
% 6.08/1.13 % (1620)Instruction limit reached!
% 6.08/1.13 % (1620)------------------------------
% 6.08/1.13 % (1620)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 6.08/1.13 % (1620)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 6.08/1.13 % (1620)Termination reason: Unknown
% 6.08/1.13 % (1620)Termination phase: Saturation
% 6.08/1.13
% 6.08/1.13 % (1620)Memory used [KB]: 7291
% 6.08/1.13 % (1620)Time elapsed: 0.689 s
% 6.08/1.13 % (1620)Instructions burned: 138 (million)
% 6.08/1.13 % (1620)------------------------------
% 6.08/1.13 % (1620)------------------------------
% 6.08/1.15 % (1677)dis+21_1:1_av=off:er=filter:slsq=on:slsqc=0:slsqr=1,1:sp=frequency:to=lpo:i=2016:si=on:rawr=on:rtra=on_0 on theBenchmark for (2995ds/2016Mi)
% 6.08/1.16 % (1619)Instruction limit reached!
% 6.08/1.16 % (1619)------------------------------
% 6.08/1.16 % (1619)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 6.08/1.16 % (1619)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 6.08/1.16 % (1619)Termination reason: Unknown
% 6.08/1.16 % (1619)Termination phase: Saturation
% 6.08/1.16
% 6.08/1.16 % (1619)Memory used [KB]: 7675
% 6.08/1.16 % (1619)Time elapsed: 0.717 s
% 6.08/1.16 % (1619)Instructions burned: 177 (million)
% 6.08/1.16 % (1619)------------------------------
% 6.08/1.16 % (1619)------------------------------
% 6.08/1.17 % (1663)ott+1_1:7_bd=off:i=934:si=on:rawr=on:rtra=on_0 on theBenchmark for (2996ds/934Mi)
% 6.08/1.17 % (1691)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 (2994ds/68Mi)
% 6.54/1.18 % (1701)First to succeed.
% 6.54/1.19 % (1701)Refutation found. Thanks to Tanya!
% 6.54/1.19 % SZS status Unsatisfiable for theBenchmark
% 6.54/1.19 % SZS output start Proof for theBenchmark
% See solution above
% 6.54/1.19 % (1701)------------------------------
% 6.54/1.19 % (1701)Version: Vampire 4.7 (commit 807e37dd9 on 2022-08-23 09:55:27 +0200)
% 6.54/1.19 % (1701)Linked with Z3 4.8.13.0 f03d756e086f81f2596157241e0decfb1c982299 z3-4.8.4-5390-gf03d756e0
% 6.54/1.19 % (1701)Termination reason: Refutation
% 6.54/1.19
% 6.54/1.19 % (1701)Memory used [KB]: 10490
% 6.54/1.19 % (1701)Time elapsed: 0.209 s
% 6.54/1.19 % (1701)Instructions burned: 361 (million)
% 6.54/1.19 % (1701)------------------------------
% 6.54/1.19 % (1701)------------------------------
% 6.54/1.19 % (1597)Success in time 0.838 s
%------------------------------------------------------------------------------