5.46/2.15 NO 5.46/2.16 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 5.46/2.16 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.46/2.16 5.46/2.16 5.46/2.16 Termination of the given C Problem could be disproven: 5.46/2.16 5.46/2.16 (0) C Problem 5.46/2.16 (1) CToLLVMProof [EQUIVALENT, 71 ms] 5.46/2.16 (2) LLVM problem 5.46/2.16 (3) LLVMToTerminationGraphProof [EQUIVALENT, 124 ms] 5.46/2.16 (4) LLVM Symbolic Execution Graph 5.46/2.16 (5) LLVMNonterminationProof [COMPLETE, 0 ms] 5.46/2.16 (6) NO 5.46/2.16 5.46/2.16 5.46/2.16 ---------------------------------------- 5.46/2.16 5.46/2.16 (0) 5.46/2.16 Obligation: 5.46/2.16 c file /export/starexec/sandbox/benchmark/theBenchmark.c 5.46/2.16 ---------------------------------------- 5.46/2.16 5.46/2.16 (1) CToLLVMProof (EQUIVALENT) 5.46/2.16 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 5.46/2.16 ---------------------------------------- 5.46/2.16 5.46/2.16 (2) 5.46/2.16 Obligation: 5.46/2.16 LLVM Problem 5.46/2.16 5.46/2.16 Aliases: 5.46/2.16 5.46/2.16 Data layout: 5.46/2.16 5.46/2.16 "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" 5.46/2.16 5.46/2.16 Machine: 5.46/2.16 5.46/2.16 "x86_64-pc-linux-gnu" 5.46/2.16 5.46/2.16 Type definitions: 5.46/2.16 5.46/2.16 Global variables: 5.46/2.16 5.46/2.16 Function declarations and definitions: 5.46/2.16 5.46/2.16 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 5.46/2.16 0: 5.46/2.16 %1 = alloca i32, align 4 5.46/2.16 %x = alloca i32, align 4 5.46/2.16 store 0, %1 5.46/2.16 store 7, %x 5.46/2.16 br %2 5.46/2.16 2: 5.46/2.16 store 2, %x 5.46/2.16 br %2 5.46/2.16 3: 5.46/2.16 %4 = load %1 5.46/2.16 ret %4 5.46/2.16 5.46/2.16 5.46/2.16 Analyze Termination of all function calls matching the pattern: 5.46/2.16 main() 5.46/2.16 ---------------------------------------- 5.46/2.16 5.46/2.16 (3) LLVMToTerminationGraphProof (EQUIVALENT) 5.46/2.16 Constructed symbolic execution graph for LLVM program and proved memory safety. 5.46/2.16 ---------------------------------------- 5.46/2.16 5.46/2.16 (4) 5.46/2.16 Obligation: 5.46/2.16 SE Graph 5.46/2.16 ---------------------------------------- 5.46/2.16 5.46/2.16 (5) LLVMNonterminationProof (COMPLETE) 5.46/2.16 Proved nontermination with the following witness: 5.46/2.16 5.46/2.16 State #29 with references set to {}. 5.46/2.16 Nondeterministic instruction %1 = alloca i32, align 4 in node #29 yields value 15. 5.46/2.16 Nondeterministic instruction %x = alloca i32, align 4 in node #30 yields value 1. 5.46/2.16 5.46/2.16 ---------------------------------------- 5.46/2.16 5.46/2.16 (6) 5.46/2.16 NO 5.46/2.20 EOF