18.87/5.55 NO 18.87/5.57 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 18.87/5.57 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 18.87/5.57 18.87/5.57 18.87/5.57 Termination of the given C Problem could be disproven: 18.87/5.57 18.87/5.57 (0) C Problem 18.87/5.57 (1) CToLLVMProof [EQUIVALENT, 147 ms] 18.87/5.57 (2) LLVM problem 18.87/5.57 (3) LLVMToTerminationGraphProof [EQUIVALENT, 1255 ms] 18.87/5.57 (4) LLVM Symbolic Execution Graph 18.87/5.57 (5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms] 18.87/5.57 (6) LLVM Symbolic Execution Lasso 18.87/5.57 (7) Lasso2IRS [EQUIVALENT, 29 ms] 18.87/5.57 (8) IntTRS 18.87/5.57 (9) IRS2T2 [EQUIVALENT, 0 ms] 18.87/5.57 (10) T2IntSys 18.87/5.57 (11) T2 [COMPLETE, 1292 ms] 18.87/5.57 (12) NO 18.87/5.57 18.87/5.57 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (0) 18.87/5.57 Obligation: 18.87/5.57 c file /export/starexec/sandbox/benchmark/theBenchmark.c 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (1) CToLLVMProof (EQUIVALENT) 18.87/5.57 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (2) 18.87/5.57 Obligation: 18.87/5.57 LLVM Problem 18.87/5.57 18.87/5.57 Aliases: 18.87/5.57 18.87/5.57 Data layout: 18.87/5.57 18.87/5.57 "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" 18.87/5.57 18.87/5.57 Machine: 18.87/5.57 18.87/5.57 "x86_64-pc-linux-gnu" 18.87/5.57 18.87/5.57 Type definitions: 18.87/5.57 18.87/5.57 Global variables: 18.87/5.57 18.87/5.57 Function declarations and definitions: 18.87/5.57 18.87/5.57 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 18.87/5.57 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 18.87/5.57 0: 18.87/5.57 %1 = alloca i32, align 4 18.87/5.57 %i = alloca i32, align 4 18.87/5.57 %j = alloca i32, align 4 18.87/5.57 %r = alloca i32, align 4 18.87/5.57 store 0, %1 18.87/5.57 %2 = call i32 @__VERIFIER_nondet_int() 18.87/5.57 store %2, %i 18.87/5.57 %3 = call i32 @__VERIFIER_nondet_int() 18.87/5.57 store %3, %j 18.87/5.57 br %4 18.87/5.57 4: 18.87/5.57 %5 = load %i 18.87/5.57 %6 = load %j 18.87/5.57 %7 = sub %5 %6 18.87/5.57 %8 = icmp sge %7 1 18.87/5.57 br %8, %9, %18 18.87/5.57 9: 18.87/5.57 %10 = load %i 18.87/5.57 %11 = call i32 @__VERIFIER_nondet_int() 18.87/5.57 %12 = sub %10 %11 18.87/5.57 store %12, %i 18.87/5.57 %13 = call i32 @__VERIFIER_nondet_int() 18.87/5.57 %14 = add %13 1 18.87/5.57 store %14, %r 18.87/5.57 %15 = load %j 18.87/5.57 %16 = load %r 18.87/5.57 %17 = add %15 %16 18.87/5.57 store %17, %j 18.87/5.57 br %4 18.87/5.57 18: 18.87/5.57 ret 0 18.87/5.57 18.87/5.57 18.87/5.57 Analyze Termination of all function calls matching the pattern: 18.87/5.57 main() 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (3) LLVMToTerminationGraphProof (EQUIVALENT) 18.87/5.57 Constructed symbolic execution graph for LLVM program and proved memory safety. 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (4) 18.87/5.57 Obligation: 18.87/5.57 SE Graph 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (5) SymbolicExecutionGraphToLassoProof (EQUIVALENT) 18.87/5.57 Converted SEGraph to 1 independent lasso. 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (6) 18.87/5.57 Obligation: 18.87/5.57 Lasso 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (7) Lasso2IRS (EQUIVALENT) 18.87/5.57 Transformed LLVM symbolic execution graph SCC into a rewrite problem. Log: 18.87/5.57 Generated rules. Obtained 48 rulesP rules: 18.87/5.57 f_141(v31, v32, v33, v34, v35, v36, v42, v38, v39, 1, v37, v41, v43, v44, v45, v46, v47, v48, v49, 0, 3, 4) -> f_142(v31, v32, v33, v34, v35, v36, v42, v45, v39, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_142(v31, v32, v33, v34, v35, v36, v42, v45, v39, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_143(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: v51 + v45 = v42 18.87/5.57 f_143(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_144(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: 1 <= v51 18.87/5.57 f_144(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_146(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_146(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_148(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: TRUE 18.87/5.57 f_148(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v37, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_150(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_150(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v41, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_151(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: TRUE 18.87/5.57 f_151(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_152(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: v53 + v52 = v42 18.87/5.57 f_152(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_153(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: TRUE 18.87/5.57 f_153(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v43, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_154(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v44, v38, v46, v47, v48, v49, 0, 3, 4) :|: TRUE 18.87/5.57 f_154(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v44, v38, v46, v47, v48, v49, 0, 3, 4) -> f_155(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v38, v44, v46, v47, v48, v49, 0, 3, 4) :|: v56 = 1 + v55 18.87/5.57 f_155(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v38, v44, v46, v47, v48, v49, 0, 3, 4) -> f_156(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v38, v44, v46, v47, v48, v49, 0, 3, 4) :|: TRUE 18.87/5.57 f_156(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v38, v44, v46, v47, v48, v49, 0, 3, 4) -> f_157(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v44, v46, v47, v48, v49, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_157(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v44, v46, v47, v48, v49, 0, 3, 4) -> f_158(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v46, v47, v48, v49, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_158(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v46, v47, v48, v49, 0, 3, 4) -> f_159(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v58, v46, v47, v48, v49, 0, 3, 4) :|: v58 = v45 + v56 18.87/5.57 f_159(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v58, v46, v47, v48, v49, 0, 3, 4) -> f_160(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v58, v46, v47, v48, v49, 0, 3, 4) :|: TRUE 18.87/5.57 f_160(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v58, v46, v47, v48, v49, 0, 3, 4) -> f_161(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v58, v46, v47, v48, v49, 0, 3, 4) :|: TRUE 18.87/5.57 f_161(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v58, v46, v47, v48, v49, 0, 3, 4) -> f_140(v31, v32, v33, v34, v35, v36, v42, v45, v51, 1, v52, v53, v55, v56, v58, v46, v47, v48, v49, 0, 3, 4) :|: TRUE 18.87/5.57 f_140(v31, v32, v33, v34, v35, v36, v37, v38, v39, 1, v41, v42, v43, v44, v45, v46, v47, v48, v49, 0, 3, 4) -> f_141(v31, v32, v33, v34, v35, v36, v42, v38, v39, 1, v37, v41, v43, v44, v45, v46, v47, v48, v49, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_87 -> f_88(v1, v2, 3, 1, 4) :|: 1 <= v1 && v2 = 3 + v1 && 4 <= v2 18.87/5.57 f_88(v1, v2, 3, 1, 4) -> f_89(v1, v3, v2, v4, 3, 1, 4) :|: 1 <= v3 && v4 = 3 + v3 && 4 <= v4 18.87/5.57 f_89(v1, v3, v2, v4, 3, 1, 4) -> f_90(v1, v3, v5, v2, v4, v6, 3, 1, 4) :|: 1 <= v5 && v6 = 3 + v5 && 4 <= v6 18.87/5.57 f_90(v1, v3, v5, v2, v4, v6, 3, 1, 4) -> f_91(v1, v3, v5, v7, v2, v4, v6, v8, 3, 1, 4) :|: 1 <= v7 && v8 = 3 + v7 && 4 <= v8 18.87/5.57 f_91(v1, v3, v5, v7, v2, v4, v6, v8, 3, 1, 4) -> f_92(v1, v3, v5, v7, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE 18.87/5.57 f_92(v1, v3, v5, v7, v2, v4, v6, v8, 0, 3, 1, 4) -> f_93(v1, v3, v5, v7, v9, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE 18.87/5.57 f_93(v1, v3, v5, v7, v9, v2, v4, v6, v8, 0, 3, 1, 4) -> f_94(v1, v3, v5, v7, v9, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE 18.87/5.57 f_94(v1, v3, v5, v7, v9, v2, v4, v6, v8, 0, 3, 1, 4) -> f_95(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE 18.87/5.57 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) :|: TRUE 18.87/5.57 f_96(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_97(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: TRUE 18.87/5.57 f_97(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_98(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: 0 = 0 18.87/5.57 f_98(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_99(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) :|: 0 = 0 18.87/5.57 f_99(v1, v3, v5, v7, v9, v11, v2, v4, v6, v8, 0, 3, 1, 4) -> f_100(v1, v3, v5, v7, v9, v11, v13, v2, v4, v6, v8, 0, 3, 1, 4) :|: v13 + v11 = v9 18.87/5.57 f_100(v1, v3, v5, v7, v9, v11, v13, v2, v4, v6, v8, 0, 3, 1, 4) -> f_101(v1, v3, v5, v7, v9, v11, v13, v2, v4, v6, v8, 0, 3, 1, 4) :|: 1 <= v13 18.87/5.57 f_101(v1, v3, v5, v7, v9, v11, v13, v2, v4, v6, v8, 0, 3, 1, 4) -> f_103(v1, v3, v5, v7, v9, v11, v13, 1, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_103(v1, v3, v5, v7, v9, v11, v13, 1, v2, v4, v6, v8, 0, 3, 4) -> f_105(v1, v3, v5, v7, v9, v11, v13, 1, v2, v4, v6, v8, 0, 3, 4) :|: TRUE 18.87/5.57 f_105(v1, v3, v5, v7, v9, v11, v13, 1, v2, v4, v6, v8, 0, 3, 4) -> f_107(v1, v3, v5, v7, v9, v11, v13, 1, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_107(v1, v3, v5, v7, v9, v11, v13, 1, v2, v4, v6, v8, 0, 3, 4) -> f_108(v1, v3, v5, v7, v9, v11, v13, 1, v14, v2, v4, v6, v8, 0, 3, 4) :|: TRUE 18.87/5.57 f_108(v1, v3, v5, v7, v9, v11, v13, 1, v14, v2, v4, v6, v8, 0, 3, 4) -> f_109(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v2, v4, v6, v8, 0, 3, 4) :|: v15 + v14 = v9 18.87/5.57 f_109(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v2, v4, v6, v8, 0, 3, 4) -> f_110(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v2, v4, v6, v8, 0, 3, 4) :|: TRUE 18.87/5.57 f_110(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v2, v4, v6, v8, 0, 3, 4) -> f_111(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v2, v4, v6, v8, 0, 3, 4) :|: TRUE 18.87/5.57 f_111(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v2, v4, v6, v8, 0, 3, 4) -> f_112(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v2, v4, v6, v8, 0, 3, 4) :|: v18 = 1 + v17 18.87/5.57 f_112(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v2, v4, v6, v8, 0, 3, 4) -> f_113(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v2, v4, v6, v8, 0, 3, 4) :|: TRUE 18.87/5.57 f_113(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v2, v4, v6, v8, 0, 3, 4) -> f_114(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_114(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v2, v4, v6, v8, 0, 3, 4) -> f_115(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v2, v4, v6, v8, 0, 3, 4) :|: 0 = 0 18.87/5.57 f_115(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v2, v4, v6, v8, 0, 3, 4) -> f_116(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v20, v2, v4, v6, v8, 0, 3, 4) :|: v20 = v11 + v18 18.87/5.57 f_116(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v20, v2, v4, v6, v8, 0, 3, 4) -> f_117(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v20, v2, v4, v6, v8, 0, 3, 4) :|: TRUE 18.87/5.57 f_117(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v20, v2, v4, v6, v8, 0, 3, 4) -> f_118(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v20, v2, v4, v6, v8, 0, 3, 4) :|: TRUE 18.87/5.57 f_118(v1, v3, v5, v7, v9, v11, v13, 1, v14, v15, v17, v18, v20, v2, v4, v6, v8, 0, 3, 4) -> f_140(v1, v3, v5, v7, v9, v11, v9, v11, v13, 1, v14, v15, v17, v18, v20, v2, v4, v6, v8, 0, 3, 4) :|: TRUE 18.87/5.57 Combined rules. Obtained 2 rulesP rules: 18.87/5.57 f_141(v31:0, v32:0, v33:0, v34:0, v35:0, v36:0, v53:0 + v52:0, v38:0, v39:0, 1, v37:0, v41:0, v43:0, v44:0, v45:0, v46:0, v47:0, v48:0, v49:0, 0, 3, 4) -> f_141(v31:0, v32:0, v33:0, v34:0, v35:0, v36:0, v53:0, v45:0, v51:0, 1, v53:0 + v52:0, v52:0, v55:0, 1 + v55:0, v45:0 + (1 + v55:0), v46:0, v47:0, v48:0, v49:0, 0, 3, 4) :|: v51:0 > 0 && v53:0 + v52:0 = v51:0 + v45:0 18.87/5.57 f_87 -> f_141(v1:0, v3:0, v5:0, v7:0, v15:0 + v14:0, v11:0, v15:0, v11:0, v13:0, 1, v15:0 + v14:0, v14:0, v17:0, 1 + v17:0, v11:0 + (1 + v17:0), 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 && v13:0 > 0 && v15:0 + v14:0 = v13:0 + v11:0 18.87/5.57 Filtered unneeded arguments: 18.87/5.57 f_141(x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22) -> f_141(x7, x8, x9, x11, x12, x15) 18.87/5.57 Removed division, modulo operations, cleaned up constraints. Obtained 2 rules.P rules: 18.87/5.57 f_141(sum~v53:0~v52:0, v38:0, v39:0, v37:0, v41:0, v45:0) -> f_141(v53:0, v45:0, v51:0, v53:0 + v52:0, v52:0, v45:0 + (1 + v55:0)) :|: v51:0 > 0 && v53:0 + v52:0 = v51:0 + v45:0 && sum~v53:0~v52:0 = v53:0 + v52:0 18.87/5.57 f_87 -> f_141(v15:0, v11:0, v13:0, v15:0 + v14:0, v14:0, v11:0 + (1 + v17:0)) :|: v13:0 > 0 && v15:0 + v14:0 = v13:0 + v11:0 18.87/5.57 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (8) 18.87/5.57 Obligation: 18.87/5.57 Rules: 18.87/5.57 f_141(sum~v53:0~v52:0, v38:0, v39:0, v37:0, v41:0, v45:0) -> f_141(v53:0, v45:0, v51:0, v53:0 + v52:0, v52:0, v45:0 + (1 + v55:0)) :|: v51:0 > 0 && v53:0 + v52:0 = v51:0 + v45:0 && sum~v53:0~v52:0 = v53:0 + v52:0 18.87/5.57 f_87 -> f_141(v15:0, v11:0, v13:0, v15:0 + v14:0, v14:0, v11:0 + (1 + v17:0)) :|: v13:0 > 0 && v15:0 + v14:0 = v13:0 + v11:0 18.87/5.57 Start term: f_87 18.87/5.57 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (9) IRS2T2 (EQUIVALENT) 18.87/5.57 Transformed input IRS into an integer transition system.Used the following mapping from defined symbols to location IDs: 18.87/5.57 18.87/5.57 (f_141_6,1) 18.87/5.57 (f_87_6,2) 18.87/5.57 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (10) 18.87/5.57 Obligation: 18.87/5.57 START: 2; 18.87/5.57 18.87/5.57 FROM: 1; 18.87/5.57 oldX0 := x0; 18.87/5.57 oldX1 := x1; 18.87/5.57 oldX2 := x2; 18.87/5.57 oldX3 := x3; 18.87/5.57 oldX4 := x4; 18.87/5.57 oldX5 := x5; 18.87/5.57 oldX6 := nondet(); 18.87/5.57 oldX7 := nondet(); 18.87/5.57 oldX8 := nondet(); 18.87/5.57 oldX9 := nondet(); 18.87/5.57 assume(oldX7 > 0 && oldX6 + oldX8 = oldX7 + oldX5 && oldX0 = oldX6 + oldX8); 18.87/5.57 x0 := oldX6; 18.87/5.57 x1 := oldX5; 18.87/5.57 x2 := oldX7; 18.87/5.57 x3 := oldX6 + oldX8; 18.87/5.57 x4 := oldX8; 18.87/5.57 x5 := oldX5 + (1 + oldX9); 18.87/5.57 TO: 1; 18.87/5.57 18.87/5.57 FROM: 2; 18.87/5.57 oldX0 := x0; 18.87/5.57 oldX1 := x1; 18.87/5.57 oldX2 := x2; 18.87/5.57 oldX3 := x3; 18.87/5.57 oldX4 := x4; 18.87/5.57 oldX5 := x5; 18.87/5.57 oldX6 := nondet(); 18.87/5.57 oldX7 := nondet(); 18.87/5.57 oldX8 := nondet(); 18.87/5.57 oldX9 := nondet(); 18.87/5.57 oldX10 := nondet(); 18.87/5.57 assume(oldX8 > 0 && oldX6 + oldX9 = oldX8 + oldX7); 18.87/5.57 x0 := oldX6; 18.87/5.57 x1 := oldX7; 18.87/5.57 x2 := oldX8; 18.87/5.57 x3 := oldX6 + oldX9; 18.87/5.57 x4 := oldX9; 18.87/5.57 x5 := oldX7 + (1 + oldX10); 18.87/5.57 TO: 1; 18.87/5.57 18.87/5.57 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (11) T2 (COMPLETE) 18.87/5.57 Found this recurrent set for cutpoint 5: oldX10 == 1 and oldX6 == 4 and oldX7 == 1 and oldX8 == 1 and oldX9 == -2 and x0 == 4 and x5 == 3 or oldX10 == 1 and oldX6 == 5 and oldX7 == 1 and oldX8 == -1 and oldX9 == 0 and x0 == 5 and x5 == 4 18.87/5.57 18.87/5.57 ---------------------------------------- 18.87/5.57 18.87/5.57 (12) 18.87/5.57 NO 19.02/5.61 EOF