/export/starexec/sandbox2/solver/bin/starexec_run_c /export/starexec/sandbox2/benchmark/theBenchmark.c /export/starexec/sandbox2/output/output_files


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MAYBE
proof of /export/starexec/sandbox2/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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 179 ms]
(2) LLVM problem


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

(0)
Obligation:
c file /export/starexec/sandbox2/benchmark/theBenchmark.c
----------------------------------------

(1) CToLLVMProof (EQUIVALENT)
Compiled c-file /export/starexec/sandbox2/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: "malloc" returnParam: *i8 parameters: (i64) variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "__VERIFIER_nondet_String" linkageType: EXTERNALLY_VISIBLE returnParam: *i8 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%length = alloca i32, align 4
		%nondetString = alloca *i8, align 8
		%1 = call i32 @__VERIFIER_nondet_int()
		store %1, %length
		%2 = load %length
		%3 = icmp slt %2 1
		br %3, %4, %5
	4:
		store 1, %length
		br %5
	5:
		%6 = load %length
		%7 = sext i32 %6 to i64
		%8 = mul %7 1
		%9 = call *i8 @malloc(i64 %8)
		store %9, %nondetString
		%10 = load %length
		%11 = sub %10 1
		%12 = sext i32 %11 to i64
		%13 = load %nondetString
		%14 = getelementptr %13, %12
		store 0, %14
		%15 = load %nondetString
		ret %15

*BasicFunctionTypename: "cstrchr" linkageType: EXTERNALLY_VISIBLE returnParam: *i8 parameters: (s *i8, c i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca *i8, align 8
		%2 = alloca i32, align 4
		store %s, %1
		store %c, %2
		br %3
	3:
		%4 = load %1
		%5 = load %4
		%6 = sext i8 %5 to i32
		%7 = icmp ne %6 0
		br %7, %8, %16
	8:
		%9 = load %1
		%10 = load %9
		%11 = sext i8 %10 to i32
		%12 = load %2
		%13 = trunc i32 %12 to i8
		%14 = sext i8 %13 to i32
		%15 = icmp ne %11 %14
		br %16
	16:
		%17 = phi [0, %3], [%15, %8]
		br %17, %18, %21
	18:
		%19 = load %1
		%20 = getelementptr %19, 1
		store %20, %1
		br %3
	21:
		%22 = load %1
		%23 = load %22
		%24 = sext i8 %23 to i32
		%25 = load %2
		%26 = icmp eq %24 %25
		br %26, %27, %29
	27:
		%28 = load %1
		br %30
	29:
		br %30
	30:
		%31 = phi [%28, %27], [null, %29]
		ret %31

*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		store 0, %1
		%2 = call *i8 @__VERIFIER_nondet_String()
		%3 = call i32 @__VERIFIER_nondet_int()
		%4 = call *i8 @cstrchr(*i8 %2, i32 %3)
		%5 = load %4
		%6 = sext i8 %5 to i32
		ret %6


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