5.43/2.34 NO 5.43/2.35 proof of /export/starexec/sandbox2/benchmark/theBenchmark.c 5.43/2.35 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.43/2.35 5.43/2.35 5.43/2.35 Termination of the given C Problem could be disproven: 5.43/2.35 5.43/2.35 (0) C Problem 5.43/2.35 (1) CToLLVMProof [EQUIVALENT, 161 ms] 5.43/2.35 (2) LLVM problem 5.43/2.35 (3) LLVMToTerminationGraphProof [EQUIVALENT, 195 ms] 5.43/2.35 (4) LLVM Symbolic Execution Graph 5.43/2.35 (5) LLVMNonterminationProof [COMPLETE, 30 ms] 5.43/2.35 (6) NO 5.43/2.35 5.43/2.35 5.43/2.35 ---------------------------------------- 5.43/2.35 5.43/2.35 (0) 5.43/2.35 Obligation: 5.43/2.35 c file /export/starexec/sandbox2/benchmark/theBenchmark.c 5.43/2.35 ---------------------------------------- 5.43/2.35 5.43/2.35 (1) CToLLVMProof (EQUIVALENT) 5.43/2.35 Compiled c-file /export/starexec/sandbox2/benchmark/theBenchmark.c to LLVM. 5.43/2.35 ---------------------------------------- 5.43/2.35 5.43/2.35 (2) 5.43/2.35 Obligation: 5.43/2.35 LLVM Problem 5.43/2.35 5.43/2.35 Aliases: 5.43/2.35 5.43/2.35 Data layout: 5.43/2.35 5.43/2.35 "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" 5.43/2.35 5.43/2.35 Machine: 5.43/2.35 5.43/2.35 "x86_64-pc-linux-gnu" 5.43/2.35 5.43/2.35 Type definitions: 5.43/2.35 5.43/2.35 Global variables: 5.43/2.35 5.43/2.35 Function declarations and definitions: 5.43/2.35 5.43/2.35 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 5.43/2.35 0: 5.43/2.35 %1 = alloca i32, align 4 5.43/2.35 %i = alloca i32, align 4 5.43/2.35 store 0, %1 5.43/2.35 store 0, %i 5.43/2.35 br %2 5.43/2.35 2: 5.43/2.35 %3 = load %i 5.43/2.35 %4 = icmp slt %3 100 5.43/2.35 br %4, %5, %8 5.43/2.35 5: 5.43/2.35 %6 = load %i 5.43/2.35 %7 = add %6 0 5.43/2.35 store %7, %i 5.43/2.35 br %2 5.43/2.35 8: 5.43/2.35 ret 0 5.43/2.35 5.43/2.35 5.43/2.35 Analyze Termination of all function calls matching the pattern: 5.43/2.35 main() 5.43/2.35 ---------------------------------------- 5.43/2.35 5.43/2.35 (3) LLVMToTerminationGraphProof (EQUIVALENT) 5.43/2.35 Constructed symbolic execution graph for LLVM program and proved memory safety. 5.43/2.35 ---------------------------------------- 5.43/2.35 5.43/2.35 (4) 5.43/2.35 Obligation: 5.43/2.35 SE Graph 5.43/2.35 ---------------------------------------- 5.43/2.35 5.43/2.35 (5) LLVMNonterminationProof (COMPLETE) 5.43/2.35 Proved nontermination with the following witness: 5.43/2.35 5.43/2.35 State #41 with references set to {}. 5.43/2.35 Nondeterministic instruction %1 = alloca i32, align 4 in node #41 yields value 15. 5.43/2.35 Nondeterministic instruction %i = alloca i32, align 4 in node #42 yields value 1. 5.43/2.35 5.43/2.35 ---------------------------------------- 5.43/2.35 5.43/2.35 (6) 5.43/2.35 NO 5.74/2.38 EOF