/export/starexec/sandbox/solver/bin/starexec_run_c /export/starexec/sandbox/benchmark/theBenchmark.c /export/starexec/sandbox/output/output_files


--------------------------------------------------------------------------------


MAYBE
proof of /export/starexec/sandbox/benchmark/theBenchmark.c
# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty


Termination of the given C Problem could not be shown:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 174 ms]
(2) LLVM problem


----------------------------------------

(0)
Obligation:
c file /export/starexec/sandbox/benchmark/theBenchmark.c
----------------------------------------

(1) CToLLVMProof (EQUIVALENT)
Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM.
----------------------------------------

(2)
Obligation:
LLVM Problem

Aliases:

Data layout:

"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"

Machine:

"x86_64-pc-linux-gnu"

Type definitions:

Global variables:

Function declarations and definitions:

*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "cmemrchr" linkageType: EXTERNALLY_VISIBLE returnParam: *i8 parameters: (s *i8, c i32, n i64) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca *i8, align 8
		%2 = alloca *i8, align 8
		%3 = alloca i32, align 4
		%4 = alloca i64, align 8
		%cp = alloca *i8, align 8
		store %s, %2
		store %c, %3
		store %n, %4
		%5 = load %4
		%6 = icmp ne %5 0
		br %6, %7, %28
	7:
		%8 = load %2
		%9 = load %4
		%10 = getelementptr %8, %9
		store %10, %cp
		br %11
	11:
		%12 = load %cp
		%13 = getelementptr %12, -1
		store %13, %cp
		%14 = load %13
		%15 = zext i8 %14 to i32
		%16 = load %3
		%17 = trunc i32 %16 to i8
		%18 = zext i8 %17 to i32
		%19 = icmp eq %15 %18
		br %19, %20, %22
	20:
		%21 = load %cp
		store %21, %1
		br %29
	22:
		br %23
	23:
		%24 = load %4
		%25 = add %24 -1
		store %25, %4
		%26 = icmp ne %25 0
		br %26, %11, %27
	27:
		br %28
	28:
		store null, %1
		br %29
	29:
		%30 = load %1
		ret %30

*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%length = alloca i32, align 4
		%n = alloca i32, align 4
		%c = alloca i32, align 4
		%nondetArea = alloca *i8, align 8
		store 0, %1
		%2 = call i32 @__VERIFIER_nondet_int()
		store %2, %length
		%3 = call i32 @__VERIFIER_nondet_int()
		store %3, %n
		%4 = call i32 @__VERIFIER_nondet_int()
		store %4, %c
		%5 = load %length
		%6 = icmp slt %5 1
		br %6, %7, %8
	7:
		store 1, %length
		br %8
	8:
		%9 = load %n
		%10 = icmp slt %9 1
		br %10, %11, %12
	11:
		store 1, %n
		br %12
	12:
		%13 = load %n
		%14 = sext i32 %13 to i64
		%15 = mul %14 1
		%16 = alloca i8, numElementsLit: %15
		store %16, %nondetArea
		%17 = load %nondetArea
		%18 = load %c
		%19 = load %n
		%20 = sext i32 %19 to i64
		%21 = call *i8 @cmemrchr(*i8 %17, i32 %18, i64 %20)
		ret 0


Analyze Termination of all function calls matching the pattern:
main()