16.04/4.95	NO
16.04/4.95	proof of /export/starexec/sandbox/benchmark/theBenchmark.c
16.04/4.95	# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty
16.04/4.95	
16.04/4.95	
16.04/4.95	Termination of the given C Problem could be disproven:
16.04/4.95	
16.04/4.95	(0) C Problem
16.04/4.95	(1) CToLLVMProof [EQUIVALENT, 160 ms]
16.04/4.95	(2) LLVM problem
16.04/4.95	(3) LLVMToTerminationGraphProof [EQUIVALENT, 945 ms]
16.04/4.95	(4) LLVM Symbolic Execution Graph
16.04/4.95	(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
16.04/4.95	(6) LLVM Symbolic Execution Lasso
16.04/4.95	(7) Lasso2IRS [EQUIVALENT, 72 ms]
16.04/4.95	(8) IntTRS
16.04/4.95	(9) IRS2T2 [EQUIVALENT, 0 ms]
16.04/4.95	(10) T2IntSys
16.04/4.95	(11) T2 [COMPLETE, 1313 ms]
16.04/4.95	(12) NO
16.04/4.95	
16.04/4.95	
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(0)
16.04/4.95	Obligation:
16.04/4.95	c file /export/starexec/sandbox/benchmark/theBenchmark.c
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(1) CToLLVMProof (EQUIVALENT)
16.04/4.95	Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM.
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(2)
16.04/4.95	Obligation:
16.04/4.95	LLVM Problem
16.04/4.95	
16.04/4.95	Aliases:
16.04/4.95	
16.04/4.95	Data layout:
16.04/4.95	
16.04/4.95	"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
16.04/4.95	
16.04/4.95	Machine:
16.04/4.95	
16.04/4.95	"x86_64-pc-linux-gnu"
16.04/4.95	
16.04/4.95	Type definitions:
16.04/4.95	
16.04/4.95	Global variables:
16.04/4.95	
16.04/4.95	Function declarations and definitions:
16.04/4.95	
16.04/4.95	*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
16.04/4.95	*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
16.04/4.95		0:
16.04/4.95			%1 = alloca i32, align 4
16.04/4.95			%a = alloca i32, align 4
16.04/4.95			%b = alloca i32, align 4
16.04/4.95			%r = alloca i32, align 4
16.04/4.95			store 0, %1
16.04/4.95			%2 = call i32 @__VERIFIER_nondet_int()
16.04/4.95			store %2, %a
16.04/4.95			%3 = call i32 @__VERIFIER_nondet_int()
16.04/4.95			store %3, %b
16.04/4.95			br %4
16.04/4.95		4:
16.04/4.95			%5 = load %b
16.04/4.95			%6 = icmp sgt %5 0
16.04/4.95			br %6, %7, %17
16.04/4.95		7:
16.04/4.95			%8 = call i32 @__VERIFIER_nondet_int()
16.04/4.95			store %8, %r
16.04/4.95			%9 = load %a
16.04/4.95			%10 = sub %9 1
16.04/4.95			%11 = load %r
16.04/4.95			%12 = sub %10 %11
16.04/4.95			store %12, %b
16.04/4.95			%13 = load %a
16.04/4.95			%14 = sub %13 1
16.04/4.95			%15 = load %r
16.04/4.95			%16 = sub %14 %15
16.04/4.95			store %16, %a
16.04/4.95			br %4
16.04/4.95		17:
16.04/4.95			ret 0
16.04/4.95	
16.04/4.95	
16.04/4.95	Analyze Termination of all function calls matching the pattern:
16.04/4.95	main()
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(3) LLVMToTerminationGraphProof (EQUIVALENT)
16.04/4.95	Constructed symbolic execution graph for LLVM program and proved memory safety.
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(4)
16.04/4.95	Obligation:
16.04/4.95	SE Graph
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(5) SymbolicExecutionGraphToLassoProof (EQUIVALENT)
16.04/4.95	Converted SEGraph to 1 independent lasso.
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(6)
16.04/4.95	Obligation:
16.04/4.95	Lasso
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(7) Lasso2IRS (EQUIVALENT)
16.04/4.95	Transformed LLVM symbolic execution graph SCC into a rewrite problem. Log: 
16.04/4.95	Generated rules. Obtained 46 rulesP rules:
16.04/4.95	f_136(v27, v28, v29, v30, v31, v32, v38, 1, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) -> f_137(v27, v28, v29, v30, v31, v32, v38, 1, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) :|: 0 < v38
16.04/4.95	f_137(v27, v28, v29, v30, v31, v32, v38, 1, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) -> f_139(v27, v28, v29, v30, v31, v32, v38, 1, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_139(v27, v28, v29, v30, v31, v32, v38, 1, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) -> f_141(v27, v28, v29, v30, v31, v32, v38, 1, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) :|: TRUE
16.04/4.95	f_141(v27, v28, v29, v30, v31, v32, v38, 1, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) -> f_143(v27, v28, v29, v30, v31, v32, v38, 1, v44, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) :|: TRUE
16.04/4.95	f_143(v27, v28, v29, v30, v31, v32, v38, 1, v44, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) -> f_144(v27, v28, v29, v30, v31, v32, v38, 1, v44, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) :|: TRUE
16.04/4.95	f_144(v27, v28, v29, v30, v31, v32, v38, 1, v44, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) -> f_145(v27, v28, v29, v30, v31, v32, v38, 1, v44, v37, v35, v36, v39, v40, v41, v42, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_145(v27, v28, v29, v30, v31, v32, v38, 1, v44, v37, v35, v36, v39, v40, v41, v42, 0, 3, 4) -> f_146(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) :|: 1 + v46 = v38 && 0 <= v46
16.04/4.95	f_146(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) -> f_147(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_147(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) -> f_148(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) :|: v47 + v44 = v46
16.04/4.95	f_148(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) -> f_149(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) :|: TRUE
16.04/4.95	f_149(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v36, v37, v35, v39, v40, v41, v42, 0, 3, 4) -> f_150(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v37, v35, v39, v40, v41, v42, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_150(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v37, v35, v39, v40, v41, v42, 0, 3, 4) -> f_151(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v35, v39, v40, v41, v42, 0, 3, 4) :|: 1 + v46 = v38
16.04/4.95	f_151(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v35, v39, v40, v41, v42, 0, 3, 4) -> f_152(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v39, v40, v41, v42, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_152(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v47, v39, v40, v41, v42, 0, 3, 4) -> f_153(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v49, v39, v40, v41, v42, 0, 3, 4) :|: v49 + v44 = v46 && v47 = v49
16.04/4.95	f_153(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v49, v39, v40, v41, v42, 0, 3, 4) -> f_154(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v49, v39, v40, v41, v42, 0, 3, 4) :|: TRUE
16.04/4.95	f_154(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v49, v39, v40, v41, v42, 0, 3, 4) -> f_155(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v49, v39, v40, v41, v42, 0, 3, 4) :|: TRUE
16.04/4.95	f_155(v27, v28, v29, v30, v31, v32, v38, 1, v44, v46, v49, v39, v40, v41, v42, 0, 3, 4) -> f_135(v27, v28, v29, v30, v31, v32, v38, 1, v44, v38, v46, v49, v39, v40, v41, v42, 0, 3, 4) :|: TRUE
16.04/4.95	f_135(v27, v28, v29, v30, v31, v32, v33, 1, v35, v36, v37, v38, v39, v40, v41, v42, 0, 3, 4) -> f_136(v27, v28, v29, v30, v31, v32, v38, 1, v35, v36, v37, v39, v40, v41, v42, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_84 -> f_85(v1, v2, 3, 1, 4) :|: 1 <= v1 && v2 = 3 + v1 && 4 <= v2
16.04/4.95	f_85(v1, v2, 3, 1, 4) -> f_86(v1, v3, v2, v4, 3, 1, 4) :|: 1 <= v3 && v4 = 3 + v3 && 4 <= v4
16.04/4.95	f_86(v1, v3, v2, v4, 3, 1, 4) -> f_87(v1, v3, v5, v2, v4, v6, 3, 1, 4) :|: 1 <= v5 && v6 = 3 + v5 && 4 <= v6
16.04/4.95	f_87(v1, v3, v5, v2, v4, v6, 3, 1, 4) -> f_88(v1, v3, v5, v7, v2, v4, v6, v8, 3, 1, 4) :|: 1 <= v7 && v8 = 3 + v7 && 4 <= v8
16.04/4.95	f_88(v1, v3, v5, v7, v2, v4, v6, v8, 3, 1, 4) -> f_89(v1, v3, v5, v7, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE
16.04/4.95	f_89(v1, v3, v5, v7, v2, v4, v6, v8, 0, 3, 1, 4) -> f_90(v1, v3, v5, v7, v9, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE
16.04/4.95	f_90(v1, v3, v5, v7, v9, v2, v4, v6, v8, 0, 3, 1, 4) -> f_91(v1, v3, v5, v7, v9, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE
16.04/4.95	f_91(v1, v3, v5, v7, v9, v2, v4, v6, v8, 0, 3, 1, 4) -> f_92(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE
16.04/4.95	f_92(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_93(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE
16.04/4.95	f_93(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_94(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE
16.04/4.95	f_94(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_95(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: 0 = 0
16.04/4.95	f_95(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_96(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: 0 < v11
16.04/4.95	f_96(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_98(v1, v3, v5, v7, v9, v11, 1, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_98(v1, v3, v5, v7, v9, v11, 1, v2, v4, v6, v8, 0, 3, 4) -> f_100(v1, v3, v5, v7, v9, v11, 1, v2, v4, v6, v8, 0, 3, 4) :|: TRUE
16.04/4.95	f_100(v1, v3, v5, v7, v9, v11, 1, v2, v4, v6, v8, 0, 3, 4) -> f_102(v1, v3, v5, v7, v9, v11, 1, v13, v2, v4, v6, v8, 0, 3, 4) :|: TRUE
16.04/4.95	f_102(v1, v3, v5, v7, v9, v11, 1, v13, v2, v4, v6, v8, 0, 3, 4) -> f_103(v1, v3, v5, v7, v9, v11, 1, v13, v2, v4, v6, v8, 0, 3, 4) :|: TRUE
16.04/4.95	f_103(v1, v3, v5, v7, v9, v11, 1, v13, v2, v4, v6, v8, 0, 3, 4) -> f_104(v1, v3, v5, v7, v9, v11, 1, v13, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_104(v1, v3, v5, v7, v9, v11, 1, v13, v2, v4, v6, v8, 0, 3, 4) -> f_105(v1, v3, v5, v7, v9, v11, 1, v13, v15, v2, v4, v6, v8, 0, 3, 4) :|: 1 + v15 = v9
16.04/4.95	f_105(v1, v3, v5, v7, v9, v11, 1, v13, v15, v2, v4, v6, v8, 0, 3, 4) -> f_106(v1, v3, v5, v7, v9, v11, 1, v13, v15, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_106(v1, v3, v5, v7, v9, v11, 1, v13, v15, v2, v4, v6, v8, 0, 3, 4) -> f_107(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) :|: v16 + v13 = v15
16.04/4.95	f_107(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) -> f_108(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) :|: TRUE
16.04/4.95	f_108(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) -> f_109(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_109(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) -> f_110(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) :|: 1 + v15 = v9
16.04/4.95	f_110(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) -> f_111(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0
16.04/4.95	f_111(v1, v3, v5, v7, v9, v11, 1, v13, v15, v16, v2, v4, v6, v8, 0, 3, 4) -> f_112(v1, v3, v5, v7, v9, v11, 1, v13, v15, v18, v2, v4, v6, v8, 0, 3, 4) :|: v18 + v13 = v15 && v16 = v18
16.04/4.95	f_112(v1, v3, v5, v7, v9, v11, 1, v13, v15, v18, v2, v4, v6, v8, 0, 3, 4) -> f_113(v1, v3, v5, v7, v9, v11, 1, v13, v15, v18, v2, v4, v6, v8, 0, 3, 4) :|: TRUE
16.04/4.95	f_113(v1, v3, v5, v7, v9, v11, 1, v13, v15, v18, v2, v4, v6, v8, 0, 3, 4) -> f_114(v1, v3, v5, v7, v9, v11, 1, v13, v15, v18, v2, v4, v6, v8, 0, 3, 4) :|: TRUE
16.04/4.95	f_114(v1, v3, v5, v7, v9, v11, 1, v13, v15, v18, v2, v4, v6, v8, 0, 3, 4) -> f_135(v1, v3, v5, v7, v9, v11, v11, 1, v13, v9, v15, v18, v2, v4, v6, v8, 0, 3, 4) :|: TRUE
16.04/4.95	Combined rules. Obtained 2 rulesP rules:
16.04/4.95	f_84 -> f_136(v1:0, v3:0, v5:0, v7:0, 1 + (v16:0 + v13:0), v11:0, v16:0, 1, v13:0, 1 + (v16:0 + v13:0), v16:0 + v13:0, 3 + v1:0, 3 + v3:0, 3 + v5:0, 3 + v7:0, 0, 3, 4) :|: v3:0 > 0 && v1:0 > 0 && v5:0 > 0 && v7:0 > 0 && v11:0 > 0
16.04/4.95	f_136(v27:0, v28:0, v29:0, v30:0, v31:0, v32:0, 1 + (v47:0 + v44:0), 1, v35:0, v36:0, v37:0, v39:0, v40:0, v41:0, v42:0, 0, 3, 4) -> f_136(v27:0, v28:0, v29:0, v30:0, v31:0, v32:0, v47:0, 1, v44:0, 1 + (v47:0 + v44:0), v47:0 + v44:0, v39:0, v40:0, v41:0, v42:0, 0, 3, 4) :|: v47:0 + v44:0 > -1
16.04/4.95	Filtered unneeded arguments:
16.04/4.95	   f_136(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18) -> f_136(x7)
16.04/4.95	Removed division, modulo operations, cleaned up constraints. Obtained 2 rules.P rules:
16.04/4.95	f_84 -> f_136(v16:0) :|: TRUE
16.04/4.95	f_136(sum~cons_1~sum~v47:0~v44:0) -> f_136(v47:0) :|: v47:0 + v44:0 > -1 && sum~cons_1~sum~v47:0~v44:0 = 1 + (v47:0 + v44:0)
16.04/4.95	
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(8)
16.04/4.95	Obligation:
16.04/4.95	Rules:
16.04/4.95	f_84 -> f_136(v16:0) :|: TRUE
16.04/4.95	f_136(sum~cons_1~sum~v47:0~v44:0) -> f_136(v47:0) :|: v47:0 + v44:0 > -1 && sum~cons_1~sum~v47:0~v44:0 = 1 + (v47:0 + v44:0)
16.04/4.95	Start term: f_84
16.04/4.95	
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(9) IRS2T2 (EQUIVALENT)
16.04/4.95	Transformed input IRS into an integer transition system.Used the following mapping from defined symbols to location IDs:
16.04/4.95	
16.04/4.95	   (f_84_1,1)
16.04/4.95	   (f_136_1,2)
16.04/4.95	
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(10)
16.04/4.95	Obligation:
16.04/4.95	START: 1;
16.04/4.95	
16.04/4.95	FROM: 1;
16.04/4.95	oldX0 := x0;
16.04/4.95	oldX1 := nondet();
16.04/4.95	assume(0 = 0);
16.04/4.95	x0 := oldX1;
16.04/4.95	TO: 2;
16.04/4.95	
16.04/4.95	FROM: 2;
16.04/4.95	oldX0 := x0;
16.04/4.95	oldX1 := nondet();
16.04/4.95	oldX2 := nondet();
16.04/4.95	assume(oldX1 + oldX2 > -1 && oldX0 = 1 + (oldX1 + oldX2));
16.04/4.95	x0 := oldX1;
16.04/4.95	TO: 2;
16.04/4.95	
16.04/4.95	
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(11) T2 (COMPLETE)
16.04/4.95	Found this recurrent set for cutpoint 5: oldX1 == 1 and oldX2 == -1 and x0 == 1
16.04/4.95	
16.04/4.95	----------------------------------------
16.04/4.95	
16.04/4.95	(12)
16.04/4.95	NO
16.18/9.59	EOF