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


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


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# AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty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, 177 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:

Global variables:

Function declarations and definitions:

*BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
*BasicFunctionTypename: "fact" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (n i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%2 = alloca i32, align 4
		store %n, %2
		%3 = load %2
		%4 = icmp sle %3 0
		br %4, %5, %6
	5:
		store 1, %1
		br %12
	6:
		%7 = load %2
		%8 = load %2
		%9 = sub %8 1
		%10 = call i32 @fact(i32 %9)
		%11 = mul %7 %10
		store %11, %1
		br %12
	12:
		%13 = load %1
		ret %13

*BasicFunctionTypename: "binomialCoefficient" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: (n i32, k i32) variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%2 = alloca i32, align 4
		store %n, %1
		store %k, %2
		%3 = load %1
		%4 = call i32 @fact(i32 %3)
		%5 = load %2
		%6 = call i32 @fact(i32 %5)
		%7 = load %1
		%8 = load %2
		%9 = sub %7 %8
		%10 = call i32 @fact(i32 %9)
		%11 = mul %6 %10
		%12 = sdiv %4 %11
		ret %12

*BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc
	0:
		%1 = alloca i32, align 4
		%x = alloca i32, align 4
		%y = alloca i32, align 4
		%z = alloca i32, align 4
		%n = alloca i32, align 4
		%k = alloca i32, align 4
		store 0, %1
		%2 = call i32 @__VERIFIER_nondet_int()
		store %2, %x
		%3 = load %x
		%4 = icmp slt %3 0
		br %4, %5, %6
	5:
		store 0, %1
		br %42
	6:
		%7 = call i32 @__VERIFIER_nondet_int()
		store %7, %y
		%8 = load %y
		%9 = icmp slt %8 0
		br %9, %10, %11
	10:
		store 0, %1
		br %42
	11:
		%12 = call i32 @__VERIFIER_nondet_int()
		store %12, %z
		store 0, %n
		br %13
	13:
		%14 = load %n
		%15 = load %x
		%16 = icmp sle %14 %15
		br %16, %17, %42
	17:
		store 0, %k
		br %18
	18:
		%19 = load %k
		%20 = load %x
		%21 = icmp sle %19 %20
		br %21, %22, %38
	22:
		%23 = load %k
		%24 = load %n
		%25 = icmp sle %23 %24
		br %25, %26, %30
	26:
		%27 = load %n
		%28 = load %k
		%29 = call i32 @binomialCoefficient(i32 %27, i32 %28)
		br %34
	30:
		%31 = load %k
		%32 = load %n
		%33 = call i32 @binomialCoefficient(i32 %31, i32 %32)
		br %34
	34:
		br %35
	35:
		%36 = load %k
		%37 = add %36 1
		store %37, %k
		br %18
	38:
		br %39
	39:
		%40 = load %n
		%41 = add %40 1
		store %41, %n
		br %13
	42:
		%43 = load %1
		ret %43


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