NO

Solver Timeout: 4
Global Timeout: 60
No parsing errors!
Init Location: 0
Transitions:
<l0, l7, true>
<l1, l2, true>
<l3, l1, ((1 + sx^0) <= 1)>
<l3, l1, ((0 + ox^0) <= (0 + x^0))>
<l4, l5, true, par{x^0 -> (0 + z^0), y^0 -> (~(1) + y^0)}>
<l4, l5, true, par{x^0 -> (~(1) + x^0)}>
<l5, l4, true, par{c^0 -> 1, ox^0 -> (0 + x^0), oy^0 -> (0 + y^0), oz^0 -> (0 + z^0), sx^0 -> (0 + x^0), sy^0 -> (0 + y^0), sz^0 -> (0 + z^0)}>
<l5, l3, (1 <= (0 + c^0))>
<l5, l4, (1 <= (0 + x^0))>
<l5, l4, (1 <= (0 + x^0)), par{sx^0 -> (0 + x^0), sy^0 -> (0 + y^0), sz^0 -> (0 + z^0)}>
<l6, l5, true, par{c^0 -> 0}>
<l7, l6, true>

Fresh variables:

Undef variables:

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

Preprocessed LLVMGraph
Init Location: 0
Transitions:
<l0, l5, (c^0 = 0)>
<l5, l5, true, par{c^0 -> 1, ox^0 -> (0 + x^0), sx^0 -> (0 + x^0), x^0 -> (0 + z^0), y^0 -> (~(1) + y^0)}>
<l5, l5, true, par{c^0 -> 1, ox^0 -> (0 + x^0), sx^0 -> (0 + x^0), x^0 -> (~(1) + x^0)}>
<l5, l2, (1 <= (0 + c^0)) /\ ((1 + sx^0) <= 1)>
<l5, l2, (1 <= (0 + c^0)) /\ ((0 + ox^0) <= (0 + x^0))>
<l5, l5, (1 <= (0 + x^0)), par{x^0 -> (0 + z^0), y^0 -> (~(1) + y^0)}>
<l5, l5, (1 <= (0 + x^0)), par{x^0 -> (~(1) + x^0)}>
<l5, l5, (1 <= (0 + x^0)), par{sx^0 -> (0 + x^0), x^0 -> (0 + z^0), y^0 -> (~(1) + y^0)}>
<l5, l5, (1 <= (0 + x^0)), par{sx^0 -> (0 + x^0), x^0 -> (~(1) + x^0)}>

Fresh variables:

Undef variables:

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

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

Init Location: 0
Graph 0:
Transitions:
Variables:

Graph 1:
Transitions:
<l5, l5, true, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, true, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
<l5, l5, 1 <= x^0, {x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, 1 <= x^0, {x^0 -> -1 + x^0, rest remain the same}>
<l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Variables:
ox^0, sx^0, x^0, y^0, z^0

Graph 2:
Transitions:
Variables:

Precedence: 
Graph 0

Graph 1
<l0, l5, c^0 = 0, {all remain the same}>

Graph 2
<l5, l2, 1 <= c^0 /\ sx^0 <= 0, {all remain the same}>
<l5, l2, 1 <= c^0 /\ ox^0 <= x^0, {all remain the same}>

Map Locations to Subgraph:
( 0 , 0 )
( 2 , 2 )
( 5 , 1 )

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

Proving termination of subgraph 0
Proving termination of subgraph 1
Checking unfeasibility...
Time used: 0.023021

Checking conditional termination of SCC {l5}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.003373s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.011876s
Trying to remove transition: <l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.013649s
Time used: 0.013213
Trying to remove transition: <l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.037232s
Time used: 0.035769
Trying to remove transition: <l5, l5, 1 <= x^0, {x^0 -> -1 + x^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.014572s
Time used: 0.011107
Trying to remove transition: <l5, l5, 1 <= x^0, {x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.025252s
Time used: 0.024326
Trying to remove transition: <l5, l5, true, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.019620s
Time used: 0.017004
Trying to remove transition: <l5, l5, true, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.031567s
Time used: 0.028997
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.061629s
Time used: 4.05638
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.757966s
Time used: 0.733739
Improving Solution with cost 2 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.001819s
Time used: 1.00161

LOG: SAT solveNonLinear - Elapsed time: 1.759785s
Cost: 2; Total time: 1.73535
Failed at location 5: x^0 <= z^0
Failed at location 5: 1 + z^0 <= 0
Before Improving: 
Quasi-invariant at l5: x^0 <= z^0
Quasi-invariant at l5: 1 + z^0 <= 0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.014274s
Quasi-invariant improved

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.004351s
Remaining time after improvement: 0.98844
Termination implied by a set of quasi-invariant(s):
Quasi-invariant at l5: x^0 <= 1 + z^0
Quasi-invariant at l5: 1 + z^0 <= 0
[ Invariant Graph ]
Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l5, l5, 1 <= x^0, {x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l5, l5, 1 <= x^0, {x^0 -> -1 + x^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
[ Termination Graph ]
Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l5, l5, 1 <= x^0, {x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l5, l5, 1 <= x^0, {x^0 -> -1 + x^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
New Graphs: 
Transitions:
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Variables:
ox^0, sx^0, x^0, y^0, z^0
Checking conditional termination of SCC {l5}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001280s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.006047s
Trying to remove transition: <l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.013604s
Time used: 0.013372
Trying to remove transition: <l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.017622s
Time used: 0.016714
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003436s
Time used: 4.00174
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.008015s
Time used: 4.00005
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.009408s
Time used: 1.00027
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.044063s
Time used: 0.024843
Improving Solution with cost 1 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.028902s
Time used: 0.028893

LOG: SAT solveNonLinear - Elapsed time: 0.072964s
Cost: 1; Total time: 0.053736
Quasi-ranking function: 50000 + y^0
New Graphs: 
Transitions:
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0 /\ 50001 + y^0 <= 0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Variables:
ox^0, sx^0, x^0, y^0, z^0
Checking conditional termination of SCC {l5}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001465s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.006609s
Trying to remove transition: <l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.013776s
Time used: 0.01338
Trying to remove transition: <l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0 /\ 50001 + y^0 <= 0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.022869s
Time used: 0.021839
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.017876s
Time used: 4.0159
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.007718s
Time used: 4.00091
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.008912s
Time used: 1.0001
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.041726s
Time used: 0.023591
Improving Solution with cost 1 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.036274s
Time used: 0.036264

LOG: SAT solveNonLinear - Elapsed time: 0.078000s
Cost: 1; Total time: 0.059855
Quasi-ranking function: 50000 + y^0 - 2*z^0
New Graphs: 
Transitions:
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0 /\ 50001 + y^0 <= 0 /\ 50001 + y^0 <= 2*z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Variables:
ox^0, sx^0, x^0, y^0, z^0
Checking conditional termination of SCC {l5}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001657s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.006969s
Trying to remove transition: <l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.014639s
Time used: 0.014382
Trying to remove transition: <l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0 /\ 50001 + y^0 <= 0 /\ 50001 + y^0 <= 2*z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.021669s
Time used: 0.020549
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.003196s
Time used: 4.00125
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.499765s
Time used: 1.49232
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.996952s
Time used: 0.987982
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.044516s
Time used: 0.025799
Improving Solution with cost 1 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.030644s
Time used: 0.030635

LOG: SAT solveNonLinear - Elapsed time: 0.075160s
Cost: 1; Total time: 0.056434
Quasi-ranking function: 50000 + y^0 + z^0
New Graphs: 
Transitions:
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0 /\ 50001 + y^0 <= 0 /\ 50001 + y^0 + z^0 <= 0 /\ 50001 + y^0 <= 2*z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Variables:
ox^0, sx^0, x^0, y^0, z^0
Checking conditional termination of SCC {l5}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001776s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.009229s
Trying to remove transition: <l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.016324s
Time used: 0.016051
Trying to remove transition: <l5, l5, 1 + z^0 <= 0 /\ x^0 <= 1 + z^0 /\ 50001 + y^0 <= 0 /\ 50001 + y^0 + z^0 <= 0 /\ 50001 + y^0 <= 2*z^0, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.020425s
Time used: 0.019351
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.844779s
Time used: 0.843144
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.998193s
Time used: 0.99404
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.001446s
Time used: 0.992345
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.042674s
Time used: 0.024123
Termination failed. Trying to show unreachability...
Proving unreachability of entry: <l0, l5, c^0 = 0, {all remain the same}>

LOG: CALL check - Post:1 <= 0 - Process 1
* Exit transition: <l0, l5, c^0 = 0, {all remain the same}>
* Postcondition  : 1 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.004263s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.004371s
Cannot prove unreachability

Proving non-termination of subgraph 1
Transitions:
<l5, l5, true, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, true, {c^0 -> 1, ox^0 -> x^0, sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
<l5, l5, 1 <= x^0, {x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, 1 <= x^0, {x^0 -> -1 + x^0, rest remain the same}>
<l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> z^0, y^0 -> -1 + y^0, rest remain the same}>
<l5, l5, 1 <= x^0, {sx^0 -> x^0, x^0 -> -1 + x^0, rest remain the same}>
Variables:
ox^0, sx^0, x^0, y^0, z^0

Checking conditional non-termination of SCC {l5}...
> No exit transition to close.
Calling reachability with...
Transition: <l5, end, true, {all remain the same}>
Conditions: 
OPEN EXITS: 
<l5, end, true, {all remain the same}>

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

Calling reachability with...
Transition: <l0, l5, c^0 = 0, {all remain the same}>
Conditions: 
OPEN EXITS: 
<l0, l5, c^0 = 0, {all remain the same}>

> Conditions are reachable!

Program does NOT terminate