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


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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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 178 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: "cmemchr" 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
		%p = alloca *i8, align 8
		store %s, %2
		store %c, %3
		store %n, %4
		%5 = load %4
		%6 = icmp ne %5 0
		br %6, %7, %27
	7:
		%8 = load %2
		store %8, %p
		br %9
	9:
		%10 = load %p
		%11 = getelementptr %10, 1
		store %11, %p
		%12 = load %10
		%13 = zext i8 %12 to i32
		%14 = load %3
		%15 = trunc i32 %14 to i8
		%16 = zext i8 %15 to i32
		%17 = icmp eq %13 %16
		br %17, %18, %21
	18:
		%19 = load %p
		%20 = getelementptr %19, -1
		store %20, %1
		br %28
	21:
		br %22
	22:
		%23 = load %4
		%24 = add %23 -1
		store %24, %4
		%25 = icmp ne %24 0
		br %25, %9, %26
	26:
		br %27
	27:
		store null, %1
		br %28
	28:
		%29 = load %1
		ret %29

*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 @cmemchr(*i8 %17, i32 %18, i64 %20)
		ret 0


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