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


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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty


Termination of the given C Problem could be proven:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 177 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 390 ms]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
(6) TRUE


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(0)
Obligation:
c file /export/starexec/sandbox/benchmark/theBenchmark.c
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(1) CToLLVMProof (EQUIVALENT)
Compiled c-file /export/starexec/sandbox/benchmark/theBenchmark.c to LLVM.
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(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: "test_fun" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (x i32, y i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%2 = alloca i32, align 4
		%3 = alloca i32, align 4
		%c = alloca i32, align 4
		store %x, %2
		store %y, %3
		store 0, %c
		%4 = load %2
		%5 = icmp sle %4 0
		br %5, %9, %6
	6:
		%7 = load %3
		%8 = icmp sle %7 0
		br %8, %9, %13
	9:
		%10 = load %2
		%11 = load %3
		%12 = add %10 %11
		store %12, %1
		br %37
	13:
		br %14
	14:
		%15 = load %2
		%16 = icmp eq %15 0
		%17 = xor %16 1
		br %17, %18, %35
	18:
		%19 = load %2
		%20 = load %3
		%21 = icmp sgt %19 %20
		br %21, %22, %24
	22:
		%23 = load %3
		store %23, %2
		br %32
	24:
		%25 = load %2
		%26 = icmp sle %25 0
		br %26, %27, %29
	27:
		%28 = load %2
		store %28, %1
		br %37
	29:
		%30 = load %2
		%31 = sub %30 1
		store %31, %2
		br %32
	32:
		%33 = load %c
		%34 = add %33 1
		store %34, %c
		br %14
	35:
		%36 = load %c
		store %36, %1
		br %37
	37:
		%38 = load %1
		ret %38

*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 i32 @__VERIFIER_nondet_int()
		%3 = call i32 @__VERIFIER_nondet_int()
		%4 = call i32 @test_fun(i32 %2, i32 %3)
		ret %4


Analyze Termination of all function calls matching the pattern:
main()
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(3) LLVMToTerminationGraphProof (EQUIVALENT)
Constructed symbolic execution graph for LLVM program and proved memory safety.
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(4)
Obligation:
SE Graph
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(5) SymbolicExecutionGraphToLassoProof (EQUIVALENT)
Converted SEGraph to 0 independent lassos.
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(6)
TRUE