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


--------------------------------------------------------------------------------


MAYBE
proof of /export/starexec/sandbox/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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 170 ms]
(2) LLVM problem


----------------------------------------

(0)
Obligation:
c file /export/starexec/sandbox/benchmark/theBenchmark.c
----------------------------------------

(1) CToLLVMProof (EQUIVALENT)
Compiled c-file /export/starexec/sandbox/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.list --> BasicStructureType(elementType: *struct.node, elementType: *struct.list)

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

Global variables:

Function declarations and definitions:

*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "malloc" returnParam: *i8 noalias parameters: (i64) variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "abort" returnParam: BasicVoidType parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "free" returnParam: BasicVoidType parameters: (*i8) variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "__VERIFIER_error" returnParam: BasicVoidType parameters: () variableLength: true visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%data = alloca *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list), align 8
		%node = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		%item = alloca *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list), align 8
		%node1 = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		%snext = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		store 0, %1
		store null, %data
		br %2
	2:
		%3 = call i32 @__VERIFIER_nondet_int()
		%4 = icmp ne %3 0
		br %4, %5, %30
	5:
		%6 = call noalias *i8 @malloc(i64 16) nounwind
		%7 = bitcast *i8 %6 to *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32)
		store %7, %node
		%8 = load %node
		%9 = icmp ne %8 null
		br %9, %11, %10
	10:
		Unnamed Call-Instruction = call BasicVoidType @abort() noreturn nounwind
		unreachable
	11:
		%12 = load %node
		%13 = getelementptr %12, 0, 0
		store null, %13
		%14 = call i32 @__VERIFIER_nondet_int()
		%15 = load %node
		%16 = getelementptr %15, 0, 1
		store %14, %16
		%17 = call noalias *i8 @malloc(i64 16) nounwind
		%18 = bitcast *i8 %17 to *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list)
		store %18, %item
		%19 = load %item
		%20 = icmp ne %19 null
		br %20, %22, %21
	21:
		Unnamed Call-Instruction = call BasicVoidType @abort() noreturn nounwind
		unreachable
	22:
		%23 = load %node
		%24 = load %item
		%25 = getelementptr %24, 0, 0
		store %23, %25
		%26 = load %data
		%27 = load %item
		%28 = getelementptr %27, 0, 1
		store %26, %28
		%29 = load %item
		store %29, %data
		br %2
	30:
		%31 = load %data
		%32 = icmp ne %31 null
		br %32, %34, %33
	33:
		store 0, %1
		br %62
	34:
		%35 = load %data
		Unnamed Call-Instruction = call BasicVoidType @inspect_before(*BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list) %35)
		br %36
	36:
		%37 = load %data
		%38 = getelementptr %37, 0, 1
		%39 = load %38
		%40 = icmp ne %39 null
		br %40, %41, %44
	41:
		%42 = load %data
		%43 = call *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list) @seq_sort_core(*BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list) %42)
		store %43, %data
		br %36
	44:
		%45 = load %data
		Unnamed Call-Instruction = call BasicVoidType @inspect_after(*BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list) %45)
		%46 = load %data
		%47 = getelementptr %46, 0, 0
		%48 = load %47
		store %48, %node1
		%49 = load %data
		%50 = bitcast *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list) %49 to *i8
		Unnamed Call-Instruction = call BasicVoidType @free(*i8 %50) nounwind
		br %51
	51:
		%52 = load %node1
		%53 = icmp ne %52 null
		br %53, %54, %61
	54:
		%55 = load %node1
		%56 = getelementptr %55, 0, 0
		%57 = load %56
		store %57, %snext
		%58 = load %node1
		%59 = bitcast *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32) %58 to *i8
		Unnamed Call-Instruction = call BasicVoidType @free(*i8 %59) nounwind
		%60 = load %snext
		store %60, %node1
		br %51
	61:
		store 0, %1
		br %62
	62:
		%63 = load %1
		ret %63

*BasicFunctionTypename: "inspect_before" linkageType: INTERNAL returnParam: BasicVoidType parameters: (shape *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list)) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list), align 8
		store %shape, %1
		br %2
	2:
		%3 = load %1
		%4 = icmp ne %3 null
		br %4, %6, %5
	5:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %6
	6:
		br %7
	7:
		br %8
	8:
		%9 = load %1
		%10 = getelementptr %9, 0, 1
		%11 = load %10
		%12 = icmp ne %11 null
		br %12, %13, %50
	13:
		br %14
	14:
		%15 = load %1
		%16 = icmp ne %15 null
		br %16, %18, %17
	17:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %18
	18:
		br %19
	19:
		br %20
	20:
		%21 = load %1
		%22 = getelementptr %21, 0, 1
		%23 = load %22
		%24 = icmp ne %23 null
		br %24, %26, %25
	25:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %26
	26:
		br %27
	27:
		br %28
	28:
		%29 = load %1
		%30 = getelementptr %29, 0, 0
		%31 = load %30
		%32 = icmp ne %31 null
		br %32, %34, %33
	33:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %34
	34:
		br %35
	35:
		br %36
	36:
		%37 = load %1
		%38 = getelementptr %37, 0, 0
		%39 = load %38
		%40 = getelementptr %39, 0, 0
		%41 = load %40
		%42 = icmp eq %41 null
		br %42, %44, %43
	43:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %44
	44:
		br %45
	45:
		br %46
	46:
		%47 = load %1
		%48 = getelementptr %47, 0, 1
		%49 = load %48
		store %49, %1
		br %8
	50:
		br %51
	51:
		%52 = load %1
		%53 = icmp ne %52 null
		br %53, %55, %54
	54:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %55
	55:
		br %56
	56:
		br %57
	57:
		%58 = load %1
		%59 = getelementptr %58, 0, 1
		%60 = load %59
		%61 = icmp eq %60 null
		br %61, %63, %62
	62:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %63
	63:
		br %64
	64:
		br %65
	65:
		%66 = load %1
		%67 = getelementptr %66, 0, 0
		%68 = load %67
		%69 = icmp ne %68 null
		br %69, %71, %70
	70:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %71
	71:
		br %72
	72:
		br %73
	73:
		%74 = load %1
		%75 = getelementptr %74, 0, 0
		%76 = load %75
		%77 = getelementptr %76, 0, 0
		%78 = load %77
		%79 = icmp eq %78 null
		br %79, %81, %80
	80:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %81
	81:
		br %82
	82:
		ret void

*BasicFunctionTypename: "seq_sort_core" linkageType: INTERNAL returnParam: *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list) parameters: (data *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list)) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list), align 8
		%dst = alloca *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list), align 8
		%next = alloca *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list), align 8
		store %data, %1
		store null, %dst
		br %2
	2:
		%3 = load %1
		%4 = icmp ne %3 null
		br %4, %5, %34
	5:
		%6 = load %1
		%7 = getelementptr %6, 0, 1
		%8 = load %7
		store %8, %next
		%9 = load %next
		%10 = icmp ne %9 null
		br %10, %16, %11
	11:
		%12 = load %dst
		%13 = load %1
		%14 = getelementptr %13, 0, 1
		store %12, %14
		%15 = load %1
		store %15, %dst
		br %34
	16:
		%17 = load %1
		%18 = getelementptr %17, 0, 0
		%19 = load %1
		%20 = getelementptr %19, 0, 0
		%21 = load %20
		%22 = load %next
		%23 = getelementptr %22, 0, 0
		%24 = load %23
		Unnamed Call-Instruction = call BasicVoidType @merge_pair(**BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32) %18, *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32) %21, *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32) %24)
		%25 = load %dst
		%26 = load %1
		%27 = getelementptr %26, 0, 1
		store %25, %27
		%28 = load %1
		store %28, %dst
		%29 = load %next
		%30 = getelementptr %29, 0, 1
		%31 = load %30
		store %31, %1
		%32 = load %next
		%33 = bitcast *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list) %32 to *i8
		Unnamed Call-Instruction = call BasicVoidType @free(*i8 %33) nounwind
		br %2
	34:
		%35 = load %dst
		ret %35

*BasicFunctionTypename: "inspect_after" linkageType: INTERNAL returnParam: BasicVoidType parameters: (shape *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list)) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca *BasicTypeName typeName: struct.listBasicStructureType(elementType: *struct.node, elementType: *struct.list), align 8
		%pos = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		store %shape, %1
		br %2
	2:
		%3 = load %1
		%4 = icmp ne %3 null
		br %4, %6, %5
	5:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %6
	6:
		br %7
	7:
		br %8
	8:
		%9 = load %1
		%10 = getelementptr %9, 0, 1
		%11 = load %10
		%12 = icmp eq %11 null
		br %12, %14, %13
	13:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %14
	14:
		br %15
	15:
		br %16
	16:
		%17 = load %1
		%18 = getelementptr %17, 0, 0
		%19 = load %18
		%20 = icmp ne %19 null
		br %20, %22, %21
	21:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %22
	22:
		br %23
	23:
		%24 = load %1
		%25 = getelementptr %24, 0, 0
		%26 = load %25
		store %26, %pos
		br %27
	27:
		%28 = load %pos
		%29 = getelementptr %28, 0, 0
		%30 = load %29
		%31 = icmp ne %30 null
		br %31, %32, %37
	32:
		br %33
	33:
		%34 = load %pos
		%35 = getelementptr %34, 0, 0
		%36 = load %35
		store %36, %pos
		br %27
	37:
		br %38
	38:
		%39 = load %pos
		%40 = getelementptr %39, 0, 0
		%41 = load %40
		%42 = icmp ne %41 null
		br %42, %43, %44
	43:
		Unnamed Call-Instruction = call BasicVoidType @fail()
		br %44
	44:
		br %45
	45:
		ret void

*BasicFunctionTypename: "fail" linkageType: INTERNAL returnParam: BasicVoidType parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		br %1
	1:
		Unnamed Call-Instruction = call BasicVoidType (...)* @__VERIFIER_error() noreturn
		unreachable
	2:
		ret void

*BasicFunctionTypename: "merge_pair" linkageType: INTERNAL returnParam: BasicVoidType parameters: (dst **BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), sub1 *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), sub2 *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32)) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca **BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		%2 = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		%3 = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		store %dst, %1
		store %sub1, %2
		store %sub2, %3
		br %4
	4:
		%5 = load %2
		%6 = icmp ne %5 null
		br %6, %10, %7
	7:
		%8 = load %3
		%9 = icmp ne %8 null
		br %10
	10:
		%11 = phi [1, %4], [%9, %7]
		br %11, %12, %29
	12:
		%13 = load %3
		%14 = icmp ne %13 null
		br %14, %15, %26
	15:
		%16 = load %2
		%17 = icmp ne %16 null
		br %17, %18, %27
	18:
		%19 = load %2
		%20 = getelementptr %19, 0, 1
		%21 = load %20
		%22 = load %3
		%23 = getelementptr %22, 0, 1
		%24 = load %23
		%25 = icmp slt %21 %24
		br %25, %26, %27
	26:
		Unnamed Call-Instruction = call BasicVoidType @merge_single_node(***BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32) %1, **BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32) %2)
		br %28
	27:
		Unnamed Call-Instruction = call BasicVoidType @merge_single_node(***BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32) %1, **BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32) %3)
		br %28
	28:
		br %4
	29:
		ret void

*BasicFunctionTypename: "merge_single_node" linkageType: INTERNAL returnParam: BasicVoidType parameters: (dst ***BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), data **BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32)) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca ***BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		%2 = alloca **BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		%node = alloca *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: *struct.node, elementType: i32), align 8
		store %dst, %1
		store %data, %2
		%3 = load %2
		%4 = load %3
		store %4, %node
		%5 = load %node
		%6 = getelementptr %5, 0, 0
		%7 = load %6
		%8 = load %2
		store %7, %8
		%9 = load %node
		%10 = getelementptr %9, 0, 0
		store null, %10
		%11 = load %node
		%12 = load %1
		%13 = load %12
		store %11, %13
		%14 = load %node
		%15 = getelementptr %14, 0, 0
		%16 = load %1
		store %15, %16
		ret void


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