/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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty


Termination of the given C Problem could be proven:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 179 ms]
(2) LLVM problem
(3) LLVMToTerminationGraphProof [EQUIVALENT, 890 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
----------------------------------------

(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: "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
		%x_ref = alloca *i32, align 8
		%y_ref = alloca *i32, align 8
		%c = alloca *i32, align 8
		store %x, %2
		store %y, %3
		%4 = alloca i8, numElementsLit: 4
		%5 = bitcast *i8 %4 to *i32
		store %5, %x_ref
		%6 = alloca i8, numElementsLit: 4
		%7 = bitcast *i8 %6 to *i32
		store %7, %y_ref
		%8 = alloca i8, numElementsLit: 4
		%9 = bitcast *i8 %8 to *i32
		store %9, %c
		%10 = load %2
		%11 = load %x_ref
		store %10, %11
		%12 = load %3
		%13 = load %y_ref
		store %12, %13
		%14 = load %c
		store 0, %14
		%15 = load %x_ref
		%16 = load %15
		%17 = icmp sle %16 0
		br %17, %22, %18
	18:
		%19 = load %y_ref
		%20 = load %19
		%21 = icmp sle %20 0
		br %21, %22, %28
	22:
		%23 = load %x_ref
		%24 = load %23
		%25 = load %y_ref
		%26 = load %25
		%27 = add %24 %26
		store %27, %1
		br %64
	28:
		br %29
	29:
		%30 = load %x_ref
		%31 = load %30
		%32 = icmp eq %31 0
		%33 = xor %32 1
		br %33, %34, %61
	34:
		%35 = load %x_ref
		%36 = load %35
		%37 = load %y_ref
		%38 = load %37
		%39 = icmp sgt %36 %38
		br %39, %40, %44
	40:
		%41 = load %y_ref
		%42 = load %41
		%43 = load %x_ref
		store %42, %43
		br %56
	44:
		%45 = load %x_ref
		%46 = load %45
		%47 = icmp sle %46 0
		br %47, %48, %51
	48:
		%49 = load %x_ref
		%50 = load %49
		store %50, %1
		br %64
	51:
		%52 = load %x_ref
		%53 = load %52
		%54 = sub %53 1
		%55 = load %x_ref
		store %54, %55
		br %56
	56:
		%57 = load %c
		%58 = load %57
		%59 = add %58 1
		%60 = load %c
		store %59, %60
		br %29
	61:
		%62 = load %c
		%63 = load %62
		store %63, %1
		br %64
	64:
		%65 = load %1
		ret %65

*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()
----------------------------------------

(3) LLVMToTerminationGraphProof (EQUIVALENT)
Constructed symbolic execution graph for LLVM program and proved memory safety.
----------------------------------------

(4)
Obligation:
SE Graph
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(5) SymbolicExecutionGraphToLassoProof (EQUIVALENT)
Converted SEGraph to 0 independent lassos.
----------------------------------------

(6)
TRUE