4.69/2.08 NO 4.69/2.08 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 4.69/2.08 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 4.69/2.08 4.69/2.08 4.69/2.08 Termination of the given C Problem could be disproven: 4.69/2.08 4.69/2.08 (0) C Problem 4.69/2.08 (1) CToLLVMProof [EQUIVALENT, 71 ms] 4.69/2.08 (2) LLVM problem 4.69/2.08 (3) LLVMToTerminationGraphProof [EQUIVALENT, 208 ms] 4.69/2.08 (4) LLVM Symbolic Execution Graph 4.69/2.08 (5) LLVMNonterminationProof [COMPLETE, 53 ms] 4.69/2.08 (6) NO 4.69/2.08 4.69/2.08 4.69/2.08 ---------------------------------------- 4.69/2.08 4.69/2.08 (0) 4.69/2.08 Obligation: 4.69/2.08 c file /export/starexec/sandbox/benchmark/theBenchmark.c 4.69/2.08 ---------------------------------------- 4.69/2.08 4.69/2.08 (1) CToLLVMProof (EQUIVALENT) 4.69/2.08 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 4.69/2.08 ---------------------------------------- 4.69/2.08 4.69/2.08 (2) 4.69/2.08 Obligation: 4.69/2.08 LLVM Problem 4.69/2.08 4.69/2.08 Aliases: 4.69/2.08 4.69/2.08 Data layout: 4.69/2.08 4.69/2.08 "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" 4.69/2.08 4.69/2.08 Machine: 4.69/2.08 4.69/2.08 "x86_64-pc-linux-gnu" 4.69/2.08 4.69/2.08 Type definitions: 4.69/2.08 4.69/2.08 Global variables: 4.69/2.08 4.69/2.08 Function declarations and definitions: 4.69/2.08 4.69/2.08 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 4.69/2.08 0: 4.69/2.08 %1 = alloca i32, align 4 4.69/2.08 %x = alloca i32, align 4 4.69/2.08 store 0, %1 4.69/2.08 store 7, %x 4.69/2.08 br %2 4.69/2.08 2: 4.69/2.08 store 2, %x 4.69/2.08 br %2 4.69/2.08 3: 4.69/2.08 %4 = load %1 4.69/2.08 ret %4 4.69/2.08 4.69/2.08 4.69/2.08 Analyze Termination of all function calls matching the pattern: 4.69/2.08 main() 4.69/2.08 ---------------------------------------- 4.69/2.08 4.69/2.08 (3) LLVMToTerminationGraphProof (EQUIVALENT) 4.69/2.08 Constructed symbolic execution graph for LLVM program and proved memory safety. 4.69/2.08 ---------------------------------------- 4.69/2.08 4.69/2.08 (4) 4.69/2.08 Obligation: 4.69/2.08 SE Graph 4.69/2.08 ---------------------------------------- 4.69/2.08 4.69/2.08 (5) LLVMNonterminationProof (COMPLETE) 4.69/2.08 Proved nontermination with the following witness: 4.69/2.08 4.69/2.08 State #29 with references set to {}. 4.69/2.08 Nondeterministic instruction %1 = alloca i32, align 4 in node #29 yields value 15. 4.69/2.08 Nondeterministic instruction %x = alloca i32, align 4 in node #30 yields value 1. 4.69/2.08 4.69/2.08 ---------------------------------------- 4.69/2.08 4.69/2.08 (6) 4.69/2.08 NO 4.75/2.13 EOF