TSTP Solution File: HEN008-2 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : HEN008-2 : TPTP v8.1.0. Released v1.0.0.
% 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 : Sat Jul 16 13:03:08 EDT 2022

% Result   : Unsatisfiable 14.65s 14.83s
% Output   : Refutation 14.65s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : HEN008-2 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n012.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Fri Jul  1 13:11:17 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 14.65/14.83  
% 14.65/14.83  SPASS V 3.9 
% 14.65/14.83  SPASS beiseite: Proof found.
% 14.65/14.83  % SZS status Theorem
% 14.65/14.83  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 14.65/14.83  SPASS derived 37177 clauses, backtracked 0 clauses, performed 0 splits and kept 6204 clauses.
% 14.65/14.83  SPASS allocated 92577 KBytes.
% 14.65/14.83  SPASS spent	0:0:13.43 on the problem.
% 14.65/14.83  		0:00:00.04 for the input.
% 14.65/14.83  		0:00:00.00 for the FLOTTER CNF translation.
% 14.65/14.83  		0:00:00.39 for inferences.
% 14.65/14.83  		0:00:00.00 for the backtracking.
% 14.65/14.83  		0:0:12.93 for the reduction.
% 14.65/14.83  
% 14.65/14.83  
% 14.65/14.83  Here is a proof with depth 5, length 31 :
% 14.65/14.83  % SZS output start Refutation
% 14.65/14.83  2[0:Inp] ||  -> quotient(zero,u,zero)*.
% 14.65/14.83  3[0:Inp] ||  -> quotient(u,u,zero)*.
% 14.65/14.83  4[0:Inp] ||  -> quotient(u,zero,u)*.
% 14.65/14.83  5[0:Inp] || less_equal(u,v)* less_equal(v,w)* -> less_equal(u,w)*.
% 14.65/14.83  6[0:Inp] || less_equal(u,v)*+ quotient(w,v,x)* quotient(w,y,u)* -> less_equal(x,y)*.
% 14.65/14.83  7[0:Inp] || less_equal(u,v)*+ quotient(w,u,x)* quotient(w,v,y)* -> less_equal(y,x)*.
% 14.65/14.83  8[0:Inp] ||  -> less_equal(a,b)*r.
% 14.65/14.83  9[0:Inp] ||  -> quotient(a,c,aQc)*.
% 14.65/14.83  10[0:Inp] ||  -> quotient(b,c,bQc)*.
% 14.65/14.83  11[0:Inp] || less_equal(aQc,bQc)*r -> .
% 14.65/14.83  15[0:Inp] || quotient(u,v,w)*+ quotient(x,y,z)* quotient(x1,v,x)* quotient(x2,v,y)* quotient(x1,x2,u)* -> less_equal(z,w)*.
% 14.65/14.83  16[0:Inp] ||  -> less_equal(zero,u)*.
% 14.65/14.83  17[0:Inp] || less_equal(u,v)*+ less_equal(v,u)* -> equal(v,u).
% 14.65/14.83  19[0:Inp] ||  -> quotient(u,v,divide(u,v))*.
% 14.65/14.83  23[0:Res:6.3,11.0] || less_equal(u,v)*+ quotient(w,v,aQc)* quotient(w,bQc,u)* -> .
% 14.65/14.83  71[0:Res:16.0,17.0] || less_equal(u,zero)* -> equal(u,zero).
% 14.65/14.83  105[0:Res:8.0,7.0] || quotient(u,a,v)*+ quotient(u,b,w)* -> less_equal(w,v)*.
% 14.65/14.83  194[0:Res:2.0,15.0] || quotient(u,v,w)*+ quotient(x,y,u)* quotient(z,y,v)* quotient(x,z,zero)* -> less_equal(w,zero).
% 14.65/14.83  553[0:Res:3.0,105.0] || quotient(a,b,u)* -> less_equal(u,zero).
% 14.65/14.83  794[0:Res:19.0,553.0] ||  -> less_equal(divide(a,b),zero)*l.
% 14.65/14.83  807[0:Res:794.0,71.0] ||  -> equal(divide(a,b),zero)**.
% 14.65/14.83  845[0:SpR:807.0,19.0] ||  -> quotient(a,b,zero)*.
% 14.65/14.83  886[0:NCh:5.2,5.1,23.0,16.0] || equal(u,zero) quotient(v,w,aQc)*+ quotient(v,bQc,u)* -> .
% 14.65/14.83  2078[0:Res:19.0,194.0] || quotient(u,v,w)*+ quotient(x,v,y)* quotient(u,x,zero)* -> less_equal(divide(w,y),zero)*l.
% 14.65/14.83  2090[0:Res:4.0,886.1] || equal(u,zero) quotient(aQc,bQc,u)* -> .
% 14.65/14.83  2142[0:Res:19.0,2090.1] || equal(divide(aQc,bQc),zero)** -> .
% 14.65/14.83  19095[0:Res:9.0,2078.0] || quotient(u,c,v)*+ quotient(a,u,zero)* -> less_equal(divide(aQc,v),zero).
% 14.65/14.83  48863[0:Res:10.0,19095.0] || quotient(a,b,zero)* -> less_equal(divide(aQc,bQc),zero).
% 14.65/14.83  48884[0:MRR:48863.0,845.0] ||  -> less_equal(divide(aQc,bQc),zero)*l.
% 14.65/14.83  48926[0:Res:48884.0,71.0] ||  -> equal(divide(aQc,bQc),zero)**.
% 14.65/14.83  49027[0:MRR:48926.0,2142.0] ||  -> .
% 14.65/14.83  % SZS output end Refutation
% 14.65/14.83  Formulae used in the proof : zero_divide_anything_is_zero x_divide_x_is_zero x_divde_zero_is_x transitivity_of_less_equal xQyLEz_implies_xQzLEy xLEy_implies_zQyLEzQx aLEb aQc bQc prove_aQcLEbQc quotient_property zero_is_smallest less_equal_and_equal closure
% 14.65/14.83  
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