/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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty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/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: "cstrncpy" linkageType: EXTERNALLY_VISIBLE returnParam: *i8 parameters: (s1 *i8, s2 *i8, n i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca *i8, align 8
		%2 = alloca *i8, align 8
		%3 = alloca i32, align 4
		%dst = alloca *i8, align 8
		%src = alloca *i8, align 8
		%us = alloca *i8, align 8
		%n2 = alloca i32, align 4
		store %s1, %1
		store %s2, %2
		store %n, %3
		%4 = load %1
		store %4, %dst
		%5 = load %2
		store %5, %src
		br %6
	6:
		%7 = load %3
		%8 = icmp sgt %7 0
		br %8, %9, %31
	9:
		%10 = load %3
		%11 = add %10 -1
		store %11, %3
		%12 = load %src
		%13 = getelementptr %12, 1
		store %13, %src
		%14 = load %12
		%15 = load %dst
		%16 = getelementptr %15, 1
		store %16, %dst
		store %14, %15
		%17 = sext i8 %14 to i32
		%18 = icmp eq %17 0
		br %18, %19, %30
	19:
		%20 = load %dst
		store %20, %us
		%21 = load %3
		store %21, %n2
		br %22
	22:
		%23 = load %n2
		%24 = add %23 -1
		store %24, %n2
		%25 = icmp ne %23 0
		br %25, %26, %29
	26:
		%27 = load %us
		%28 = getelementptr %27, 1
		store %28, %us
		store 0, %27
		br %22
	29:
		br %31
	30:
		br %6
	31:
		%32 = load %1
		ret %32

*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%s1 = alloca *i8, align 8
		%s2 = alloca *i8, align 8
		%n = alloca i32, align 4
		store 0, %1
		%2 = call i32 @__VERIFIER_nondet_int()
		store %2, %n
		%3 = load %s1
		%4 = load %s2
		%5 = load %n
		%6 = call *i8 @cstrncpy(*i8 %3, *i8 %4, i32 %5)
		ret 0


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