NO

Solver Timeout: 4
Global Timeout: 60
No parsing errors!
Init Location: 0
Transitions:
<l0, l8, true>
<l1, l2, (((0 + (~(1) * x_5^0)) + y_6^0) <= 0) /\ (undef1 = undef1), par{Result_4^0 -> undef1}>
<l1, l3, (0 <= ((~(1) + (~(1) * x_5^0)) + y_6^0)) /\ (undef8 = undef8) /\ ((0 + undef8) <= 0) /\ (0 <= (0 + undef8)), par{tmp_7^0 -> undef8}>
<l3, l1, true>
<l1, l4, (0 <= ((~(1) + (~(1) * x_5^0)) + y_6^0)) /\ (undef18 = undef18), par{tmp_7^0 -> undef18}>
<l4, l5, (undef22 = __disjvr_0^0) /\ (__disjvr_0^0 = undef22), par{__disjvr_0^0 -> undef22}>
<l5, l6, true, par{x_5^0 -> (1 + x_5^0)}>
<l6, l1, true>
<l7, l1, true>
<l8, l7, true>

Fresh variables:
undef1, undef8, undef18, undef22, 

Undef variables:
undef1, undef8, undef18, undef22, 

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

Preprocessed LLVMGraph
Init Location: 0
Transitions:
<l0, l1, true>
<l1, l2, (((0 + (~(1) * x_5^0)) + y_6^0) <= 0) /\ (undef1 = undef1)>
<l1, l1, (0 <= ((~(1) + (~(1) * x_5^0)) + y_6^0)) /\ (undef8 = undef8) /\ ((0 + undef8) <= 0) /\ (0 <= (0 + undef8))>
<l1, l1, (0 <= ((~(1) + (~(1) * x_5^0)) + y_6^0)) /\ (undef18 = undef18) /\ (undef22 = __disjvr_0^0) /\ (__disjvr_0^0 = undef22), par{__disjvr_0^0 -> undef22, x_5^0 -> (1 + x_5^0)}>

Fresh variables:
undef1, undef8, undef18, undef22, 

Undef variables:
undef1, undef8, undef18, undef22, 

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

*************************************************************
*******************************************************************************************
***********************       WORKING TRANSITION SYSTEM (DAG)       ***********************
*******************************************************************************************

Init Location: 0
Graph 0:
Transitions:
Variables:

Graph 1:
Transitions:
<l1, l1, 1 + x_5^0 <= y_6^0 /\ undef8 = 0, {all remain the same}>
<l1, l1, 1 + x_5^0 <= y_6^0 /\ __disjvr_0^0 = undef22, {__disjvr_0^0 -> undef22, x_5^0 -> 1 + x_5^0, rest remain the same}>
Variables:
x_5^0, y_6^0, __disjvr_0^0

Graph 2:
Transitions:
Variables:

Precedence: 
Graph 0

Graph 1
<l0, l1, true, {all remain the same}>

Graph 2
<l1, l2, y_6^0 <= x_5^0, {all remain the same}>

Map Locations to Subgraph:
( 0 , 0 )
( 1 , 1 )
( 2 , 2 )

*******************************************************************************************
********************************    CHECKING ASSERTIONS    ********************************
*******************************************************************************************

Proving termination of subgraph 0
Proving termination of subgraph 1
Checking unfeasibility...
Time used: 0.00398

Checking conditional termination of SCC {l1}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.000882s
Ranking function: -1 - x_5^0 + y_6^0
New Graphs: 
Transitions:
<l1, l1, 1 + x_5^0 <= y_6^0 /\ undef8 = 0, {all remain the same}>
Variables:
x_5^0, y_6^0
> No variable changes in termination graph.
Checking conditional unfeasibility...
Calling Safety with literal y_6^0 <= x_5^0 and entry <l1, l1, true, {all remain the same}>

LOG: CALL check - Post:y_6^0 <= x_5^0 - Process 1
* Exit transition: <l1, l1, true, {all remain the same}>
* Postcondition  : y_6^0 <= x_5^0
Quasi-invariants: 
Location 1: y_6^0 <= x_5^0 ; 
Postcondition: y_6^0 <= x_5^0

LOG: CALL check - Post:y_6^0 <= x_5^0 - Process 2
* Exit transition: <l0, l1, true, {all remain the same}>
* Postcondition  : y_6^0 <= x_5^0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.000260s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.000339s

LOG: NarrowEntry size 1
Narrowing transition: 
<l1, l1, 1 + x_5^0 <= y_6^0 /\ undef8 = 0, {all remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l1, l1, 1 + x_5^0 <= y_6^0 /\ __disjvr_0^0 = undef22, {__disjvr_0^0 -> undef22, x_5^0 -> 1 + x_5^0, rest remain the same}>

LOG: Narrow transition size 1
ENTRIES:
<l0, l1, 1 + x_5^0 <= y_6^0, {all remain the same}>
END ENTRIES:
GRAPH:
<l1, l1, 1 + x_5^0 <= y_6^0 /\ undef8 = 0, {all remain the same}>
<l1, l1, 1 + x_5^0 <= y_6^0 /\ __disjvr_0^0 = undef22, {__disjvr_0^0 -> undef22, x_5^0 -> 1 + x_5^0, rest remain the same}>
END GRAPH:
EXIT: <l1, l1, true, {all remain the same}>
POST: y_6^0 <= x_5^0


LOG: Try proving POST
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.013363s
Time used: 0.01326
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.000966s
Time used: 4.00033
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.002988s
Time used: 1.00005

LOG: Postcondition is not implied - no solution
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 5.025640s

Proving non-termination of subgraph 1
Transitions:
<l1, l1, 1 + x_5^0 <= y_6^0 /\ undef8 = 0, {all remain the same}>
<l1, l1, 1 + x_5^0 <= y_6^0 /\ __disjvr_0^0 = undef22, {__disjvr_0^0 -> undef22, x_5^0 -> 1 + x_5^0, rest remain the same}>
Variables:
x_5^0, y_6^0, __disjvr_0^0

Checking that every undef value has an assignment...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001026s
Checking conditional non-termination of SCC {l1}...
EXIT TRANSITIONS:
<l1, end, y_6^0 <= x_5^0, {all remain the same}>

Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 5.001493s
Time used: 5.00103
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 5.006155s
Time used: 5.00058
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 5.148116s
Time used: 5.0035
> Checking if the negation of the conditions of every pending exit is quasi-invariant... NO

Proving non-termination of subgraph 1
Transitions:
<l1, l1, 1 + x_5^0 <= y_6^0 /\ undef8 = 0, {all remain the same}>
Variables:
x_5^0, y_6^0

Checking conditional non-termination of SCC {l1}...
EXIT TRANSITIONS:
<l1, end, y_6^0 <= x_5^0, {all remain the same}>

Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.010542s
Time used: 0.010352
Improving Solution with cost 1 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.015252s
Time used: 0.015244

LOG: SAT solveNonLinear - Elapsed time: 0.025794s
Cost: 1; Total time: 0.025596
Failed at location 1: 1 + x_5^0 <= y_6^0
Before Improving: 
Quasi-invariant at l1: 1 + x_5^0 <= y_6^0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.004642s
Remaining time after improvement: 0.998851
Minimizing number of undef constraints...

LOG: CALL solveNonLinear

LOG: RETURN solveNonLinear - Elapsed time: 0.002184s
Number of undef constraints reduced!

Non-termination implied by a set of quasi-invariant(s):
Quasi-invariant at l1: 1 + x_5^0 <= y_6^0

Strengthening and disabling EXIT transitions...
Closed exits from l1: 1

Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 + x_5^0 <= y_6^0 /\ undef8 = 0, {all remain the same}>

Calling reachability with...
Transition: <l1, end, true, {all remain the same}>
Conditions: 1 + x_5^0 <= y_6^0, 
OPEN EXITS: 
<l1, end, 1 + x_5^0 <= y_6^0, {all remain the same}>

--- Reachability graph ---
> Graph without transitions.

Calling reachability with...
Transition: <l0, l1, true, {all remain the same}>
Conditions: 1 + x_5^0 <= y_6^0, 
OPEN EXITS: 
<l0, l1, 1 + x_5^0 <= y_6^0, {all remain the same}>

> Conditions are reachable!

Program does NOT terminate