NO

Solver Timeout: 4
Global Timeout: 60
No parsing errors!
Init Location: 0
Transitions:
<l0, l5, true>
<l1, l2, (1 <= (0 + e^0)) /\ ((0 + n^0) <= (0 + __const_100^0)), par{e^0 -> (1 + e^0), n^0 -> ((0 + __const_11^0) + n^0)}>
<l2, l1, true>
<l1, l3, (1 <= (0 + e^0)) /\ ((1 + __const_100^0) <= (0 + n^0)), par{e^0 -> (~(1) + e^0), n^0 -> ((0 + (~(1) * __const_10^0)) + n^0)}>
<l3, l1, true>
<l4, l1, (undef25 = undef25), par{e^0 -> 1, n^0 -> undef25}>
<l5, l4, true>

Fresh variables:
undef25, 

Undef variables:
undef25, 

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

Preprocessed LLVMGraph
Init Location: 0
Transitions:
<l0, l1, (e^0 = 1) /\ (n^0 = undef25) /\ (undef25 = undef25)>
<l1, l1, (1 <= (0 + e^0)) /\ ((0 + n^0) <= (0 + __const_100^0)), par{e^0 -> (1 + e^0), n^0 -> ((0 + __const_11^0) + n^0)}>
<l1, l1, (1 <= (0 + e^0)) /\ ((1 + __const_100^0) <= (0 + n^0)), par{e^0 -> (~(1) + e^0), n^0 -> ((0 + (~(1) * __const_10^0)) + n^0)}>

Fresh variables:
undef25, 

Undef variables:
undef25, 

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

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

Init Location: 0
Graph 0:
Transitions:
Variables:

Graph 1:
Transitions:
<l1, l1, 1 <= e^0 /\ n^0 <= __const_100^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= e^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Variables:
__const_100^0, __const_11^0, e^0, n^0, __const_10^0

Precedence: 
Graph 0

Graph 1
<l0, l1, n^0 = undef25 /\ e^0 = 1, {all remain the same}>

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

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

Proving termination of subgraph 0
Proving termination of subgraph 1
Checking unfeasibility...
Time used: 0.007785

Checking conditional termination of SCC {l1}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001741s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.006853s
Trying to remove transition: <l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= e^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.017090s
Time used: 0.016814
Trying to remove transition: <l1, l1, 1 <= e^0 /\ n^0 <= __const_100^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.010467s
Time used: 0.009621
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.068314s
Time used: 0.067515
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.874990s
Time used: 0.872538
Improving Solution with cost 2 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 1.000855s
Time used: 1.00073

LOG: SAT solveNonLinear - Elapsed time: 1.875845s
Cost: 2; Total time: 1.87327
Failed at location 1: 1 <= __const_11^0
Failed at location 1: __const_10^0 + __const_11^0 <= 1
Before Improving: 
Quasi-invariant at l1: 1 <= __const_11^0
Quasi-invariant at l1: __const_10^0 + __const_11^0 <= 1
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.052839s
Remaining time after improvement: 0.997185
Termination implied by a set of quasi-invariant(s):
Quasi-invariant at l1: 1 <= __const_11^0
Quasi-invariant at l1: __const_10^0 + __const_11^0 <= 1
[ Invariant Graph ]
Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ __const_10^0 + __const_11^0 <= 1, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ __const_10^0 + __const_11^0 <= 1, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^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): 
<l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ __const_10^0 + __const_11^0 <= 1, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ __const_10^0 + __const_11^0 <= 1, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Ranking function: 2 + 2*__const_100^0 - __const_10^0 - __const_11^0 - 2*n^0
New Graphs: 
Transitions:
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ __const_10^0 + __const_11^0 <= 1, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Variables:
__const_100^0, __const_10^0, __const_11^0, e^0, n^0
Checking conditional termination of SCC {l1}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001179s
Ranking function: -1 + e^0
New Graphs: 
Calling Safety with literal 1 <= __const_11^0 and entry <l0, l1, n^0 = undef25 /\ e^0 = 1, {all remain the same}>

LOG: CALL check - Post:1 <= __const_11^0 - Process 1
* Exit transition: <l0, l1, n^0 = undef25 /\ e^0 = 1, {all remain the same}>
* Postcondition  : 1 <= __const_11^0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.000610s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.000705s
Calling Safety with literal __const_10^0 + __const_11^0 <= 1 and entry <l0, l1, n^0 = undef25 /\ e^0 = 1, {all remain the same}>

LOG: CALL check - Post:__const_10^0 + __const_11^0 <= 1 - Process 2
* Exit transition: <l0, l1, n^0 = undef25 /\ e^0 = 1, {all remain the same}>
* Postcondition  : __const_10^0 + __const_11^0 <= 1

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.000616s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.000702s
INVARIANTS: 
1: 
Quasi-INVARIANTS to narrow Graph: 
1: 1 <= __const_11^0 , __const_10^0 + __const_11^0 <= 1 , 
Narrowing transition: 
<l1, l1, 1 <= e^0 /\ n^0 <= __const_100^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: Narrow transition size 2
Narrowing transition: 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= e^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>

LOG: Narrow transition size 2
invGraph after Narrowing: 
Transitions:
<l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
<l1, l1, 1 <= e^0 /\ n^0 <= __const_100^0 /\ __const_11^0 <= 0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= e^0 /\ __const_11^0 <= 0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Variables:
__const_100^0, __const_11^0, e^0, n^0, __const_10^0
Checking conditional termination of SCC {l1}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.002303s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.036333s
Trying to remove transition: <l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= e^0 /\ __const_11^0 <= 0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.039184s
Time used: 0.038183
Trying to remove transition: <l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.040590s
Time used: 0.037335
Trying to remove transition: <l1, l1, 1 <= e^0 /\ n^0 <= __const_100^0 /\ __const_11^0 <= 0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.020965s
Time used: 0.017674
Trying to remove transition: <l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.037122s
Time used: 0.034565
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.077215s
Time used: 0.073629
Improving Solution with cost 1 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.149280s
Time used: 0.149256

LOG: SAT solveNonLinear - Elapsed time: 0.226496s
Cost: 1; Total time: 0.222885
Failed at location 1: 1 <= __const_11^0
Before Improving: 
Quasi-invariant at l1: 1 <= __const_11^0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.022000s
Remaining time after improvement: 0.995225
Termination implied by a set of quasi-invariant(s):
Quasi-invariant at l1: 1 <= __const_11^0
[ Invariant Graph ]
Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l1, l1, 1 <= e^0 /\ n^0 <= __const_100^0 /\ __const_11^0 <= 0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= e^0 /\ __const_11^0 <= 0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
[ Termination Graph ]
Strengthening and disabling transitions...
> It's unfeasible. Removing transition: 
<l1, l1, 1 <= e^0 /\ n^0 <= __const_100^0 /\ __const_11^0 <= 0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= e^0 /\ __const_11^0 <= 0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
New Graphs: 
Transitions:
<l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Variables:
__const_100^0, __const_10^0, __const_11^0, e^0, n^0
Checking conditional termination of SCC {l1}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001564s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.016223s
Trying to remove transition: <l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.025371s
Time used: 0.024768
Trying to remove transition: <l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.024921s
Time used: 0.023514
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.002045s
Time used: 4.00024
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.010299s
Time used: 4.00021
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.020617s
Time used: 1.0003
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.052704s
Time used: 0.034138

Proving non-termination of subgraph 1
Transitions:
<l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
<l1, l1, 1 <= e^0 /\ n^0 <= __const_100^0 /\ __const_11^0 <= 0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= e^0 /\ __const_11^0 <= 0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>
Variables:
__const_100^0, __const_11^0, e^0, n^0, __const_10^0

Checking conditional non-termination of SCC {l1}...
EXIT TRANSITIONS:
<l1, end, 1 <= __const_11^0 /\ 1 <= e^0 /\ __const_10^0 + __const_11^0 <= 1, {all remain the same}>
<l1, end, 1 <= __const_11^0 /\ e^0 <= 0, {all remain the same}>
<l1, end, __const_11^0 <= 0 /\ e^0 <= 0, {all remain the same}>

Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.049838s
Time used: 0.049474
Improving Solution with cost 3 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.038420s
Time used: 0.038409

LOG: SAT solveNonLinear - Elapsed time: 0.088259s
Cost: 3; Total time: 0.087883
Failed at location 1: 1 + __const_11^0 <= 0
Before Improving: 
Quasi-invariant at l1: 1 + __const_11^0 <= 0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.008058s
Remaining time after improvement: 0.997623
Non-termination implied by a set of quasi-invariant(s):
Quasi-invariant at l1: 1 + __const_11^0 <= 0

Strengthening and disabling EXIT transitions...
Closed exits from l1: 2
Strengthening exit transition (result): 
<l1, end, 1 + __const_11^0 <= 0 /\ e^0 <= 0, {all remain the same}>

Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l1, l1, 1 <= __const_11^0 /\ 1 <= e^0 /\ n^0 <= __const_100^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 + __const_11^0 <= 0 /\ 1 <= e^0 /\ n^0 <= __const_100^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 <= __const_11^0 /\ 1 <= e^0 /\ 2 <= __const_10^0 + __const_11^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 + __const_11^0 <= 0 /\ 1 <= e^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>

Checking conditional non-termination of SCC {l1}...
EXIT TRANSITIONS:
<l1, end, 1 + __const_11^0 <= 0 /\ e^0 <= 0, {all remain the same}>

Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 5.005640s
Time used: 5.00494
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.079801s
Time used: 0.074298
Improving Solution with cost 1 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.068187s
Time used: 0.068171

LOG: SAT solveNonLinear - Elapsed time: 0.147988s
Cost: 1; Total time: 0.142469
Failed at location 1: e^0 + n^0 <= __const_100^0
Before Improving: 
Quasi-invariant at l1: e^0 + n^0 <= __const_100^0
Quasi-invariant at l1: 1 <= e^0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.011262s
Remaining time after improvement: 0.997626
Non-termination implied by a set of quasi-invariant(s):
Quasi-invariant at l1: e^0 + n^0 <= __const_100^0
Quasi-invariant at l1: 1 <= e^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 + __const_11^0 <= 0 /\ 1 <= e^0 /\ e^0 + n^0 <= __const_100^0 /\ n^0 <= __const_100^0, {e^0 -> 1 + e^0, n^0 -> __const_11^0 + n^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l1, l1, 1 + __const_100^0 <= n^0 /\ 1 + __const_11^0 <= 0 /\ 1 <= e^0, {e^0 -> -1 + e^0, n^0 -> -__const_10^0 + n^0, rest remain the same}>

Calling reachability with...
Transition: <l1, end, true, {all remain the same}>
Conditions: 1 + __const_11^0 <= 0, e^0 + n^0 <= __const_100^0, 1 <= e^0, 
OPEN EXITS: 
<l1, end, 1 <= e^0 /\ e^0 + n^0 <= __const_100^0, {all remain the same}> (condsUp: 1 + __const_11^0 <= 0)

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

Calling reachability with...
Transition: <l0, l1, n^0 = undef25 /\ e^0 = 1, {all remain the same}>
Conditions: 1 <= e^0, e^0 + n^0 <= __const_100^0, 1 + __const_11^0 <= 0, 
OPEN EXITS: 
<l0, l1, 1 + __const_11^0 <= 0 /\ e^0 + n^0 <= __const_100^0 /\ n^0 = undef25 /\ e^0 = 1, {all remain the same}>

> Conditions are reachable!

Program does NOT terminate