/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# AProVE Commit ID: 794c25de1cacf0d048858bcd21c9a779e1221865 marcel 20200619 unpublished dirty


Termination of the given C Problem could not be shown:

(0) C Problem
(1) CToLLVMProof [EQUIVALENT, 168 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: "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
		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
		br %9
	9:
		%10 = call i32 (...)* @__VERIFIER_nondet_int()
		%11 = icmp ne %10 0
		br %11, %12, %27
	12:
		%13 = load %p
		%14 = getelementptr %13, 0, 0
		store 1, %14
		%15 = call noalias *i8 @malloc(i64 16) nounwind
		%16 = bitcast *i8 %15 to *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node)
		store %16, %t
		%17 = load %t
		%18 = icmp eq %17 null
		br %18, %19, %20
	19:
		Unnamed Call-Instruction = call BasicVoidType @exit(i32 1) noreturn nounwind
		unreachable
	20:
		%21 = load %t
		%22 = load %p
		%23 = getelementptr %22, 0, 1
		store %21, %23
		%24 = load %p
		%25 = getelementptr %24, 0, 1
		%26 = load %25
		store %26, %p
		br %9
	27:
		br %28
	28:
		%29 = call i32 (...)* @__VERIFIER_nondet_int()
		%30 = icmp ne %29 0
		br %30, %31, %46
	31:
		%32 = load %p
		%33 = getelementptr %32, 0, 0
		store 2, %33
		%34 = call noalias *i8 @malloc(i64 16) nounwind
		%35 = bitcast *i8 %34 to *BasicTypeName typeName: struct.nodeBasicStructureType(elementType: i32, elementType: *struct.node)
		store %35, %t
		%36 = load %t
		%37 = icmp eq %36 null
		br %37, %38, %39
	38:
		Unnamed Call-Instruction = call BasicVoidType @exit(i32 1) noreturn nounwind
		unreachable
	39:
		%40 = load %t
		%41 = load %p
		%42 = getelementptr %41, 0, 1
		store %40, %42
		%43 = load %p
		%44 = getelementptr %43, 0, 1
		%45 = load %44
		store %45, %p
		br %28
	46:
		%47 = load %p
		%48 = getelementptr %47, 0, 0
		store 3, %48
		%49 = load %a
		store %49, %p
		br %50
	50:
		%51 = load %p
		%52 = getelementptr %51, 0, 0
		%53 = load %52
		%54 = icmp eq %53 1
		br %54, %55, %59
	55:
		%56 = load %p
		%57 = getelementptr %56, 0, 1
		%58 = load %57
		store %58, %p
		br %50
	59:
		br %60
	60:
		%61 = load %p
		%62 = getelementptr %61, 0, 0
		%63 = load %62
		%64 = icmp eq %63 2
		br %64, %65, %69
	65:
		%66 = load %p
		%67 = getelementptr %66, 0, 1
		%68 = load %67
		store %68, %p
		br %60
	69:
		%70 = load %p
		%71 = getelementptr %70, 0, 0
		%72 = load %71
		%73 = icmp ne %72 3
		br %73, %74, %76
	74:
		br %75
	75:
		Unnamed Call-Instruction = call BasicVoidType (...)* @__VERIFIER_error() noreturn
		unreachable
	76:
		ret 0


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