7.75/3.22 YES 7.75/3.23 proof of /export/starexec/sandbox/benchmark/theBenchmark.c 7.75/3.23 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 7.75/3.23 7.75/3.23 7.75/3.23 Termination of the given C Problem could be proven: 7.75/3.23 7.75/3.23 (0) C Problem 7.75/3.23 (1) CToLLVMProof [EQUIVALENT, 169 ms] 7.75/3.23 (2) LLVM problem 7.75/3.23 (3) LLVMToTerminationGraphProof [EQUIVALENT, 1361 ms] 7.75/3.23 (4) LLVM Symbolic Execution Graph 7.75/3.23 (5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms] 7.75/3.23 (6) TRUE 7.75/3.23 7.75/3.23 7.75/3.23 ---------------------------------------- 7.75/3.23 7.75/3.23 (0) 7.75/3.23 Obligation: 7.75/3.23 c file /export/starexec/sandbox/benchmark/theBenchmark.c 7.75/3.23 ---------------------------------------- 7.75/3.23 7.75/3.23 (1) CToLLVMProof (EQUIVALENT) 7.75/3.23 Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM. 7.75/3.23 ---------------------------------------- 7.75/3.23 7.75/3.23 (2) 7.75/3.23 Obligation: 7.75/3.23 LLVM Problem 7.75/3.23 7.75/3.23 Aliases: 7.75/3.23 7.75/3.23 Data layout: 7.75/3.23 7.75/3.23 "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" 7.75/3.23 7.75/3.23 Machine: 7.75/3.23 7.75/3.23 "x86_64-pc-linux-gnu" 7.75/3.23 7.75/3.23 Type definitions: 7.75/3.23 7.75/3.23 Global variables: 7.75/3.23 7.75/3.23 Function declarations and definitions: 7.75/3.23 7.75/3.23 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 7.75/3.23 *BasicFunctionTypename: "f" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (k i32, l i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc 7.75/3.23 0: 7.75/3.23 %1 = alloca i32, align 4 7.75/3.23 %2 = alloca i32, align 4 7.75/3.23 %k_ref = alloca *i32, align 8 7.75/3.23 %l_ref = alloca *i32, align 8 7.75/3.23 %i = alloca *i32, align 8 7.75/3.23 %j = alloca *i32, align 8 7.75/3.23 store %k, %1 7.75/3.23 store %l, %2 7.75/3.23 %3 = alloca i8, numElementsLit: 4 7.75/3.23 %4 = bitcast *i8 %3 to *i32 7.75/3.23 store %4, %k_ref 7.75/3.23 %5 = alloca i8, numElementsLit: 4 7.75/3.23 %6 = bitcast *i8 %5 to *i32 7.75/3.23 store %6, %l_ref 7.75/3.23 %7 = alloca i8, numElementsLit: 4 7.75/3.23 %8 = bitcast *i8 %7 to *i32 7.75/3.23 store %8, %i 7.75/3.23 %9 = alloca i8, numElementsLit: 4 7.75/3.23 %10 = bitcast *i8 %9 to *i32 7.75/3.23 store %10, %j 7.75/3.23 %11 = load %1 7.75/3.23 %12 = load %k_ref 7.75/3.23 store %11, %12 7.75/3.23 %13 = load %2 7.75/3.23 %14 = load %l_ref 7.75/3.23 store %13, %14 7.75/3.23 %15 = load %i 7.75/3.23 store 0, %15 7.75/3.23 %16 = load %j 7.75/3.23 store 0, %16 7.75/3.23 br %17 7.75/3.23 17: 7.75/3.23 br %18 7.75/3.23 18: 7.75/3.23 %19 = load %i 7.75/3.23 %20 = load %19 7.75/3.23 %21 = load %k_ref 7.75/3.23 %22 = load %21 7.75/3.23 %23 = icmp slt %20 %22 7.75/3.23 br %23, %24, %34 7.75/3.23 24: 7.75/3.23 %25 = load %i 7.75/3.23 %26 = load %25 7.75/3.23 %27 = add %26 1 7.75/3.23 store %27, %25 7.75/3.23 %28 = load %i 7.75/3.23 %29 = load %28 7.75/3.23 %30 = srem %29 2 7.75/3.23 %31 = icmp ne %30 0 7.75/3.23 br %31, %32, %33 7.75/3.23 32: 7.75/3.23 br %18 7.75/3.23 33: 7.75/3.23 br %35 7.75/3.23 34: 7.75/3.23 br %35 7.75/3.23 35: 7.75/3.23 br %36 7.75/3.23 36: 7.75/3.23 %37 = load %j 7.75/3.23 %38 = load %37 7.75/3.23 %39 = icmp slt %38 1 7.75/3.23 br %39, %40, %50 7.75/3.23 40: 7.75/3.23 %41 = load %j 7.75/3.23 %42 = load %41 7.75/3.23 %43 = add %42 1 7.75/3.23 store %43, %41 7.75/3.23 %44 = load %i 7.75/3.23 %45 = load %44 7.75/3.23 %46 = srem %45 2 7.75/3.23 %47 = icmp ne %46 0 7.75/3.23 br %47, %48, %49 7.75/3.23 48: 7.75/3.23 br %36 7.75/3.23 49: 7.75/3.23 br %17 7.75/3.23 50: 7.75/3.23 %51 = load %i 7.75/3.23 %52 = load %51 7.75/3.23 %53 = load %j 7.75/3.23 %54 = load %53 7.75/3.23 %55 = add %52 %54 7.75/3.23 ret %55 7.75/3.23 7.75/3.23 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 7.75/3.23 0: 7.75/3.23 %1 = alloca i32, align 4 7.75/3.23 store 0, %1 7.75/3.23 %2 = call i32 @__VERIFIER_nondet_int() 7.75/3.23 %3 = call i32 @__VERIFIER_nondet_int() 7.75/3.23 %4 = call i32 @f(i32 %2, i32 %3) 7.75/3.23 ret %4 7.75/3.23 7.75/3.23 7.75/3.23 Analyze Termination of all function calls matching the pattern: 7.75/3.23 main() 7.75/3.23 ---------------------------------------- 7.75/3.23 7.75/3.23 (3) LLVMToTerminationGraphProof (EQUIVALENT) 7.75/3.23 Constructed symbolic execution graph for LLVM program and proved memory safety. 7.75/3.23 ---------------------------------------- 7.75/3.23 7.75/3.23 (4) 7.75/3.23 Obligation: 7.75/3.23 SE Graph 7.75/3.23 ---------------------------------------- 7.75/3.23 7.75/3.23 (5) SymbolicExecutionGraphToLassoProof (EQUIVALENT) 7.75/3.23 Converted SEGraph to 0 independent lassos. 7.75/3.23 ---------------------------------------- 7.75/3.23 7.75/3.23 (6) 7.75/3.23 TRUE 8.26/3.28 EOF