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


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YES
proof of /export/starexec/sandbox2/benchmark/theBenchmark.c
# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty


Termination of the given C Problem could be proven:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 172 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 578 ms]
(4) LLVM Symbolic Execution Graph
(5) SymbolicExecutionGraphToLassoProof [EQUIVALENT, 0 ms]
(6) TRUE


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(0)
Obligation:
c file /export/starexec/sandbox2/benchmark/theBenchmark.c
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(1) CToLLVMProof (EQUIVALENT)
Compiled c-file /export/starexec/sandbox2/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
		%x_ref = alloca *i32, align 8
		%y_ref = alloca *i32, align 8
		%c = alloca *i32, align 8
		store %x, %1
		store %y, %2
		%3 = alloca i8, numElementsLit: 4
		%4 = bitcast *i8 %3 to *i32
		store %4, %x_ref
		%5 = alloca i8, numElementsLit: 4
		%6 = bitcast *i8 %5 to *i32
		store %6, %y_ref
		%7 = alloca i8, numElementsLit: 4
		%8 = bitcast *i8 %7 to *i32
		store %8, %c
		%9 = load %1
		%10 = load %x_ref
		store %9, %10
		%11 = load %2
		%12 = load %y_ref
		store %11, %12
		%13 = load %c
		store 0, %13
		br %14
	14:
		%15 = load %x_ref
		%16 = load %15
		%17 = load %y_ref
		%18 = load %17
		%19 = icmp eq %16 %18
		%20 = xor %19 1
		br %20, %21, %42
	21:
		%22 = load %x_ref
		%23 = load %22
		%24 = load %y_ref
		%25 = load %24
		%26 = icmp sgt %23 %25
		br %26, %27, %32
	27:
		%28 = load %y_ref
		%29 = load %28
		%30 = add %29 1
		%31 = load %y_ref
		store %30, %31
		br %37
	32:
		%33 = load %x_ref
		%34 = load %33
		%35 = add %34 1
		%36 = load %x_ref
		store %35, %36
		br %37
	37:
		%38 = load %c
		%39 = load %38
		%40 = add %39 1
		%41 = load %c
		store %40, %41
		br %14
	42:
		%43 = load %c
		%44 = load %43
		ret %44

*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