26.06/9.02 MAYBE 26.06/9.03 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 26.06/9.03 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 26.06/9.03 26.06/9.03 26.06/9.03 Termination of the given C Problem could not be shown: 26.06/9.03 26.06/9.03 (0) C Problem 26.06/9.03 (1) CToLLVMProof [EQUIVALENT, 175 ms] 26.06/9.03 (2) LLVM problem 26.06/9.03 26.06/9.03 26.06/9.03 ---------------------------------------- 26.06/9.03 26.06/9.03 (0) 26.06/9.03 Obligation: 26.06/9.03 c file /export/starexec/sandbox/benchmark/theBenchmark.c 26.06/9.03 ---------------------------------------- 26.06/9.03 26.06/9.03 (1) CToLLVMProof (EQUIVALENT) 26.06/9.03 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 26.06/9.03 ---------------------------------------- 26.06/9.03 26.06/9.03 (2) 26.06/9.03 Obligation: 26.06/9.03 LLVM Problem 26.06/9.03 26.06/9.03 Aliases: 26.06/9.03 26.06/9.03 Data layout: 26.06/9.03 26.06/9.03 "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" 26.06/9.03 26.06/9.03 Machine: 26.06/9.03 26.06/9.03 "x86_64-pc-linux-gnu" 26.06/9.03 26.06/9.03 Type definitions: 26.06/9.03 26.06/9.03 Global variables: 26.06/9.03 26.06/9.03 Function declarations and definitions: 26.06/9.03 26.06/9.03 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 26.06/9.03 *BasicFunctionTypename: "cmemrchr" linkageType: EXTERNALLY_VISIBLE returnParam: *i8 parameters: (s *i8, c i32, n i64) variableLength: false visibilityType: DEFAULT callingConvention: ccc 26.06/9.03 0: 26.06/9.03 %1 = alloca *i8, align 8 26.06/9.03 %2 = alloca *i8, align 8 26.06/9.03 %3 = alloca i32, align 4 26.06/9.03 %4 = alloca i64, align 8 26.06/9.03 %cp = alloca *i8, align 8 26.06/9.03 store %s, %2 26.06/9.03 store %c, %3 26.06/9.03 store %n, %4 26.06/9.03 %5 = load %4 26.06/9.03 %6 = icmp ne %5 0 26.06/9.03 br %6, %7, %28 26.06/9.03 7: 26.06/9.03 %8 = load %2 26.06/9.03 %9 = load %4 26.06/9.03 %10 = getelementptr %8, %9 26.06/9.03 store %10, %cp 26.06/9.03 br %11 26.06/9.03 11: 26.06/9.03 %12 = load %cp 26.06/9.03 %13 = getelementptr %12, -1 26.06/9.03 store %13, %cp 26.06/9.03 %14 = load %13 26.06/9.03 %15 = zext i8 %14 to i32 26.06/9.03 %16 = load %3 26.06/9.03 %17 = trunc i32 %16 to i8 26.06/9.03 %18 = zext i8 %17 to i32 26.06/9.03 %19 = icmp eq %15 %18 26.06/9.03 br %19, %20, %22 26.06/9.03 20: 26.06/9.03 %21 = load %cp 26.06/9.03 store %21, %1 26.06/9.03 br %29 26.06/9.03 22: 26.06/9.03 br %23 26.06/9.03 23: 26.06/9.03 %24 = load %4 26.06/9.03 %25 = add %24 -1 26.06/9.03 store %25, %4 26.06/9.03 %26 = icmp ne %25 0 26.06/9.03 br %26, %11, %27 26.06/9.03 27: 26.06/9.03 br %28 26.06/9.03 28: 26.06/9.03 store null, %1 26.06/9.03 br %29 26.06/9.03 29: 26.06/9.03 %30 = load %1 26.06/9.03 ret %30 26.06/9.03 26.06/9.03 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 26.06/9.03 0: 26.06/9.03 %1 = alloca i32, align 4 26.06/9.03 %length = alloca i32, align 4 26.06/9.03 %n = alloca i32, align 4 26.06/9.03 %c = alloca i32, align 4 26.06/9.03 %nondetArea = alloca *i8, align 8 26.06/9.03 store 0, %1 26.06/9.03 %2 = call i32 @__VERIFIER_nondet_int() 26.06/9.03 store %2, %length 26.06/9.03 %3 = call i32 @__VERIFIER_nondet_int() 26.06/9.03 store %3, %n 26.06/9.03 %4 = call i32 @__VERIFIER_nondet_int() 26.06/9.03 store %4, %c 26.06/9.03 %5 = load %length 26.06/9.03 %6 = icmp slt %5 1 26.06/9.03 br %6, %7, %8 26.06/9.03 7: 26.06/9.03 store 1, %length 26.06/9.03 br %8 26.06/9.03 8: 26.06/9.03 %9 = load %n 26.06/9.03 %10 = icmp slt %9 1 26.06/9.03 br %10, %11, %12 26.06/9.03 11: 26.06/9.03 store 1, %n 26.06/9.03 br %12 26.06/9.03 12: 26.06/9.03 %13 = load %n 26.06/9.03 %14 = sext i32 %13 to i64 26.06/9.03 %15 = mul %14 1 26.06/9.03 %16 = alloca i8, numElementsLit: %15 26.06/9.03 store %16, %nondetArea 26.06/9.03 %17 = load %nondetArea 26.06/9.03 %18 = load %c 26.06/9.03 %19 = load %n 26.06/9.03 %20 = sext i32 %19 to i64 26.06/9.03 %21 = call *i8 @cmemrchr(*i8 %17, i32 %18, i64 %20) 26.06/9.03 ret 0 26.06/9.03 26.06/9.03 26.06/9.03 Analyze Termination of all function calls matching the pattern: 26.06/9.03 main() 26.41/10.48 EOF