5.76/2.42 NO 5.89/2.42 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 5.89/2.42 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 5.89/2.42 5.89/2.42 5.89/2.42 Termination of the given C Problem could be disproven: 5.89/2.42 5.89/2.42 (0) C Problem 5.89/2.42 (1) CToLLVMProof [EQUIVALENT, 174 ms] 5.89/2.42 (2) LLVM problem 5.89/2.42 (3) LLVMToTerminationGraphProof [EQUIVALENT, 214 ms] 5.89/2.42 (4) LLVM Symbolic Execution Graph 5.89/2.42 (5) LLVMNonterminationProof [COMPLETE, 30 ms] 5.89/2.42 (6) NO 5.89/2.42 5.89/2.42 5.89/2.42 ---------------------------------------- 5.89/2.42 5.89/2.42 (0) 5.89/2.42 Obligation: 5.89/2.42 c file /export/starexec/sandbox/benchmark/theBenchmark.c 5.89/2.42 ---------------------------------------- 5.89/2.42 5.89/2.42 (1) CToLLVMProof (EQUIVALENT) 5.89/2.42 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 5.89/2.42 ---------------------------------------- 5.89/2.42 5.89/2.42 (2) 5.89/2.42 Obligation: 5.89/2.42 LLVM Problem 5.89/2.42 5.89/2.42 Aliases: 5.89/2.42 5.89/2.42 Data layout: 5.89/2.42 5.89/2.42 "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" 5.89/2.42 5.89/2.42 Machine: 5.89/2.42 5.89/2.42 "x86_64-pc-linux-gnu" 5.89/2.42 5.89/2.42 Type definitions: 5.89/2.42 5.89/2.42 Global variables: 5.89/2.42 5.89/2.42 Function declarations and definitions: 5.89/2.42 5.89/2.42 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 5.89/2.42 0: 5.89/2.42 %1 = alloca i32, align 4 5.89/2.42 %i = alloca i32, align 4 5.89/2.42 store 0, %1 5.89/2.42 store 0, %i 5.89/2.42 br %2 5.89/2.42 2: 5.89/2.42 %3 = load %i 5.89/2.42 %4 = icmp slt %3 100 5.89/2.42 br %4, %5, %10 5.89/2.42 5: 5.89/2.42 %6 = load %i 5.89/2.42 %7 = add %6 1 5.89/2.42 store %7, %i 5.89/2.42 %8 = load %i 5.89/2.42 %9 = sub %8 1 5.89/2.42 store %9, %i 5.89/2.42 br %2 5.89/2.42 10: 5.89/2.42 ret 0 5.89/2.42 5.89/2.42 5.89/2.42 Analyze Termination of all function calls matching the pattern: 5.89/2.42 main() 5.89/2.42 ---------------------------------------- 5.89/2.42 5.89/2.42 (3) LLVMToTerminationGraphProof (EQUIVALENT) 5.89/2.42 Constructed symbolic execution graph for LLVM program and proved memory safety. 5.89/2.42 ---------------------------------------- 5.89/2.42 5.89/2.42 (4) 5.89/2.42 Obligation: 5.89/2.42 SE Graph 5.89/2.42 ---------------------------------------- 5.89/2.42 5.89/2.42 (5) LLVMNonterminationProof (COMPLETE) 5.89/2.42 Proved nontermination with the following witness: 5.89/2.42 5.89/2.42 State #50 with references set to {}. 5.89/2.42 Nondeterministic instruction %1 = alloca i32, align 4 in node #50 yields value 15. 5.89/2.42 Nondeterministic instruction %i = alloca i32, align 4 in node #51 yields value 1. 5.89/2.42 5.89/2.42 ---------------------------------------- 5.89/2.42 5.89/2.42 (6) 5.89/2.42 NO 5.91/2.44 EOF