5.23/2.18 NO 5.23/2.19 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 5.23/2.19 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.23/2.19 5.23/2.19 5.23/2.19 Termination of the given C Problem could be disproven: 5.23/2.19 5.23/2.19 (0) C Problem 5.23/2.19 (1) CToLLVMProof [EQUIVALENT, 71 ms] 5.23/2.19 (2) LLVM problem 5.23/2.19 (3) LLVMToTerminationGraphProof [EQUIVALENT, 133 ms] 5.23/2.19 (4) LLVM Symbolic Execution Graph 5.23/2.19 (5) LLVMNonterminationProof [COMPLETE, 0 ms] 5.23/2.19 (6) NO 5.23/2.19 5.23/2.19 5.23/2.19 ---------------------------------------- 5.23/2.19 5.23/2.19 (0) 5.23/2.19 Obligation: 5.23/2.19 c file /export/starexec/sandbox/benchmark/theBenchmark.c 5.23/2.19 ---------------------------------------- 5.23/2.19 5.23/2.19 (1) CToLLVMProof (EQUIVALENT) 5.23/2.19 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 5.23/2.19 ---------------------------------------- 5.23/2.19 5.23/2.19 (2) 5.23/2.19 Obligation: 5.23/2.19 LLVM Problem 5.23/2.19 5.23/2.19 Aliases: 5.23/2.19 5.23/2.19 Data layout: 5.23/2.19 5.23/2.19 "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" 5.23/2.19 5.23/2.19 Machine: 5.23/2.19 5.23/2.19 "x86_64-pc-linux-gnu" 5.23/2.19 5.23/2.19 Type definitions: 5.23/2.19 5.23/2.19 Global variables: 5.23/2.19 5.23/2.19 Function declarations and definitions: 5.23/2.19 5.23/2.19 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 5.23/2.19 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 5.23/2.19 0: 5.23/2.19 %1 = alloca i32, align 4 5.23/2.19 %i = alloca i32, align 4 5.23/2.19 store 0, %1 5.23/2.19 %2 = call i32 @__VERIFIER_nondet_int() 5.23/2.19 store %2, %i 5.23/2.19 br %3 5.23/2.19 3: 5.23/2.19 br %3 5.23/2.19 4: 5.23/2.19 %5 = load %1 5.23/2.19 ret %5 5.23/2.19 5.23/2.19 5.23/2.19 Analyze Termination of all function calls matching the pattern: 5.23/2.19 main() 5.23/2.19 ---------------------------------------- 5.23/2.19 5.23/2.19 (3) LLVMToTerminationGraphProof (EQUIVALENT) 5.23/2.19 Constructed symbolic execution graph for LLVM program and proved memory safety. 5.23/2.19 ---------------------------------------- 5.23/2.19 5.23/2.19 (4) 5.23/2.19 Obligation: 5.23/2.19 SE Graph 5.23/2.19 ---------------------------------------- 5.23/2.19 5.23/2.19 (5) LLVMNonterminationProof (COMPLETE) 5.23/2.19 Proved nontermination with the following witness: 5.23/2.19 5.23/2.19 State #30 with references set to {}. 5.23/2.19 Nondeterministic instruction %1 = alloca i32, align 4 in node #30 yields value 15. 5.23/2.19 Nondeterministic instruction %i = alloca i32, align 4 in node #31 yields value 1. 5.23/2.19 5.23/2.19 ---------------------------------------- 5.23/2.19 5.23/2.19 (6) 5.23/2.19 NO 5.74/2.23 EOF