/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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 173 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:

struct.node --> BasicStructureType(elementType: i32, elementType: *struct.node)

Global variables:

Function declarations and definitions:

*BasicFunctionTypename: "malloc" returnParam: *i8 noalias parameters: (i64) variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: true visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "__VERIFIER_error" returnParam: BasicVoidType parameters: () variableLength: true visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "free" returnParam: BasicVoidType parameters: (*i8) variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "exit" linkageType: EXTERNALLY_VISIBLE returnParam: BasicVoidType parameters: (s i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		store %s, %1
		br %2
	2:
		br %2
	3:
		ret void

*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%a = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node), align 8
		%t = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node), align 8
		%p = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node), align 8
		%i = alloca i32, align 4
		store 0, %1
		%2 = call noalias *i8 @malloc(i64 16) nounwind
		%3 = bitcast *i8 %2 to *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node)
		store %3, %a
		%4 = load %a
		%5 = icmp eq %4 null
		br %5, %6, %7
	6:
		Unnamed Call-Instruction = call BasicVoidType @exit(i32 1) noreturn nounwind
		unreachable
	7:
		%8 = load %a
		store %8, %p
		store 0, %i
		br %9
	9:
		%10 = load %i
		%11 = icmp slt %10 30
		br %11, %12, %15
	12:
		%13 = call i32 (...)* @__VERIFIER_nondet_int()
		%14 = icmp ne %13 0
		br %15
	15:
		%16 = phi [0, %9], [%14, %12]
		br %16, %17, %35
	17:
		%18 = load %i
		%19 = load %p
		%20 = getelementptr %19, 0, 0
		store %18, %20
		%21 = call noalias *i8 @malloc(i64 16) nounwind
		%22 = bitcast *i8 %21 to *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node)
		store %22, %t
		%23 = load %t
		%24 = icmp eq %23 null
		br %24, %25, %26
	25:
		Unnamed Call-Instruction = call BasicVoidType @exit(i32 1) noreturn nounwind
		unreachable
	26:
		%27 = load %t
		%28 = load %p
		%29 = getelementptr %28, 0, 1
		store %27, %29
		%30 = load %p
		%31 = getelementptr %30, 0, 1
		%32 = load %31
		store %32, %p
		%33 = load %i
		%34 = add %33 1
		store %34, %i
		br %9
	35:
		%36 = load %i
		%37 = load %p
		%38 = getelementptr %37, 0, 0
		store %36, %38
		%39 = load %p
		%40 = getelementptr %39, 0, 1
		store null, %40
		%41 = load %a
		store %41, %p
		store 0, %i
		br %42
	42:
		%43 = load %p
		%44 = icmp ne %43 null
		br %44, %45, %59
	45:
		%46 = load %p
		%47 = getelementptr %46, 0, 0
		%48 = load %47
		%49 = load %i
		%50 = icmp ne %48 %49
		br %50, %51, %53
	51:
		br %52
	52:
		Unnamed Call-Instruction = call BasicVoidType (...)* @__VERIFIER_error() noreturn
		unreachable
	53:
		%54 = load %p
		%55 = getelementptr %54, 0, 1
		%56 = load %55
		store %56, %p
		%57 = load %i
		%58 = add %57 1
		store %58, %i
		br %42
	59:
		%60 = load %a
		store %60, %p
		br %61
	61:
		%62 = load %p
		%63 = icmp ne %62 null
		br %63, %64, %71
	64:
		%65 = load %p
		%66 = getelementptr %65, 0, 1
		%67 = load %66
		store %67, %t
		%68 = load %p
		%69 = bitcast *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node) %68 to *i8
		Unnamed Call-Instruction = call BasicVoidType @free(*i8 %69) nounwind
		%70 = load %t
		store %70, %p
		br %61
	71:
		ret 0


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