fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r399-tall-171690529400004
Last Updated
July 7, 2024

About the Execution of GreatSPN+red for Solitaire-PT-EngCT7x7

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
701.396 85681.00 108037.00 420.30 TTFTTFFTFFFTFFTF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r399-tall-171690529400004.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is Solitaire-PT-EngCT7x7, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r399-tall-171690529400004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 16:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 19:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 14:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K Apr 12 14:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Apr 12 14:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Apr 12 14:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:58 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 9 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 77K May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-00
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-01
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-02
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-03
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-04
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-05
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-06
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-07
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-08
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-09
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-10
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-11
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-12
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-13
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-14
FORMULA_NAME Solitaire-PT-EngCT7x7-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716965062320

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Solitaire-PT-EngCT7x7
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-29 06:44:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-29 06:44:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-29 06:44:23] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2024-05-29 06:44:23] [INFO ] Transformed 67 places.
[2024-05-29 06:44:23] [INFO ] Transformed 76 transitions.
[2024-05-29 06:44:23] [INFO ] Parsed PT model containing 67 places and 76 transitions and 532 arcs in 173 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 49 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 10 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
// Phase 1: matrix 76 rows 67 cols
[2024-05-29 06:44:23] [INFO ] Computed 34 invariants in 15 ms
[2024-05-29 06:44:24] [INFO ] Implicit Places using invariants in 212 ms returned []
[2024-05-29 06:44:24] [INFO ] Invariant cache hit.
[2024-05-29 06:44:24] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 346 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:44:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1349 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3835 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5406ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5425ms
Finished structural reductions in LTL mode , in 1 iterations and 5801 ms. Remains : 67/67 places, 76/76 transitions.
Support contains 49 out of 67 places after structural reductions.
[2024-05-29 06:44:29] [INFO ] Flatten gal took : 32 ms
[2024-05-29 06:44:29] [INFO ] Flatten gal took : 16 ms
[2024-05-29 06:44:29] [INFO ] Input system was already deterministic with 76 transitions.
Support contains 47 out of 67 places (down from 49) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 26 to 24
RANDOM walk for 1462 steps (56 resets) in 63 ms. (22 steps per ms) remains 0/24 properties
Computed a total of 67 stabilizing places and 76 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 76
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 4 out of 67 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 8 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:44:30] [INFO ] Invariant cache hit.
[2024-05-29 06:44:30] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-29 06:44:30] [INFO ] Invariant cache hit.
[2024-05-29 06:44:30] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
[2024-05-29 06:44:30] [INFO ] Redundant transitions in 4 ms returned []
Running 72 sub problems to find dead transitions.
[2024-05-29 06:44:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1234 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3785 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5163ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5166ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 5449 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 209 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-00
Product exploration explored 100000 steps with 4811 reset in 455 ms.
Product exploration explored 100000 steps with 4803 reset in 364 ms.
Computed a total of 67 stabilizing places and 76 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 76
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 19 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-00 finished in 6631 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p0)||(!p1&&X((!p1 U X(!p1))))))))'
Support contains 7 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 2 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:44:37] [INFO ] Invariant cache hit.
[2024-05-29 06:44:37] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-29 06:44:37] [INFO ] Invariant cache hit.
[2024-05-29 06:44:37] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:44:37] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1026 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3787 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 4924ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 4925ms
Finished structural reductions in LTL mode , in 1 iterations and 5100 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 211 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-04
Product exploration explored 100000 steps with 4647 reset in 393 ms.
Product exploration explored 100000 steps with 4684 reset in 315 ms.
Computed a total of 67 stabilizing places and 76 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 76
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 p1))), (X (AND p0 (NOT p1))), (X p0), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) p1)))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 12 factoid took 20 ms. Reduced automaton from 5 states, 15 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-04 finished in 6111 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&F(p1)))'
Support contains 9 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 3 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:44:43] [INFO ] Invariant cache hit.
[2024-05-29 06:44:43] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-29 06:44:43] [INFO ] Invariant cache hit.
[2024-05-29 06:44:43] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:44:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1066 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3675 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 4822ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 4823ms
Finished structural reductions in LTL mode , in 1 iterations and 4982 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 154 ms :[(NOT p0), true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-05 finished in 5156 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((G(p1)||X(p2)||p0)))))'
Support contains 10 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 1 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:44:48] [INFO ] Invariant cache hit.
[2024-05-29 06:44:48] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-29 06:44:48] [INFO ] Invariant cache hit.
[2024-05-29 06:44:48] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:44:48] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1078 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 4039 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5225ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5227ms
Finished structural reductions in LTL mode , in 1 iterations and 5378 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 274 ms :[true, (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-06
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-06 finished in 5670 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(F((p0||G(F(p1))))) U p2)))'
Support contains 9 out of 67 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 10 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:44:53] [INFO ] Invariant cache hit.
[2024-05-29 06:44:54] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-29 06:44:54] [INFO ] Invariant cache hit.
[2024-05-29 06:44:54] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
[2024-05-29 06:44:54] [INFO ] Redundant transitions in 1 ms returned []
Running 72 sub problems to find dead transitions.
[2024-05-29 06:44:54] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1033 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3891 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5017ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5018ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 5180 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 200 ms :[(NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p2)]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-08
Stuttering criterion allowed to conclude after 38 steps with 3 reset in 1 ms.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-08 finished in 5403 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(!p0)) U p1)))'
Support contains 7 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 2 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:44:59] [INFO ] Invariant cache hit.
[2024-05-29 06:44:59] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-29 06:44:59] [INFO ] Invariant cache hit.
[2024-05-29 06:44:59] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:44:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1109 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 4040 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5260ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5261ms
Finished structural reductions in LTL mode , in 1 iterations and 5429 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 133 ms :[(NOT p1), (NOT p1), p0]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-09
Product exploration explored 100000 steps with 5531 reset in 302 ms.
Product exploration explored 100000 steps with 5465 reset in 324 ms.
Computed a total of 67 stabilizing places and 76 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 76
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT p0))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 217 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 100 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 39 steps (0 resets) in 6 ms. (5 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (X (NOT p0))), (F (G (NOT p1))), (F (G (NOT p0)))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 4 factoid took 245 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p1), (NOT p1)]
[2024-05-29 06:45:06] [INFO ] Invariant cache hit.
[2024-05-29 06:45:06] [INFO ] [Real]Absence check using 33 positive place invariants in 5 ms returned sat
[2024-05-29 06:45:06] [INFO ] [Real]Absence check using 33 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-29 06:45:06] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-29 06:45:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 06:45:06] [INFO ] [Nat]Absence check using 33 positive place invariants in 5 ms returned sat
[2024-05-29 06:45:06] [INFO ] [Nat]Absence check using 33 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-29 06:45:06] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-29 06:45:06] [INFO ] Computed and/alt/rep : 68/368/68 causal constraints (skipped 4 transitions) in 7 ms.
[2024-05-29 06:45:06] [INFO ] Added : 22 causal constraints over 5 iterations in 132 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 4 out of 67 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 4 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:45:06] [INFO ] Invariant cache hit.
[2024-05-29 06:45:06] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-29 06:45:06] [INFO ] Invariant cache hit.
[2024-05-29 06:45:06] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-29 06:45:06] [INFO ] Redundant transitions in 3 ms returned []
Running 72 sub problems to find dead transitions.
[2024-05-29 06:45:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1082 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 4010 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5181ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5182ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 5375 ms. Remains : 67/67 places, 76/76 transitions.
Computed a total of 67 stabilizing places and 76 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 76
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (F (G (NOT p1)))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 2 factoid took 170 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(NOT p1), (NOT p1)]
RANDOM walk for 22 steps (0 resets) in 5 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p1), (F (G (NOT p1)))]
False Knowledge obtained : [(X (NOT p1)), (X p1), (X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 2 factoid took 221 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 70 ms :[(NOT p1), (NOT p1)]
[2024-05-29 06:45:12] [INFO ] Invariant cache hit.
[2024-05-29 06:45:12] [INFO ] [Real]Absence check using 33 positive place invariants in 5 ms returned sat
[2024-05-29 06:45:12] [INFO ] [Real]Absence check using 33 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-29 06:45:12] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-29 06:45:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-29 06:45:12] [INFO ] [Nat]Absence check using 33 positive place invariants in 7 ms returned sat
[2024-05-29 06:45:12] [INFO ] [Nat]Absence check using 33 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-29 06:45:12] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-29 06:45:12] [INFO ] Computed and/alt/rep : 68/368/68 causal constraints (skipped 4 transitions) in 7 ms.
[2024-05-29 06:45:13] [INFO ] Added : 22 causal constraints over 5 iterations in 120 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 65 ms :[(NOT p1), (NOT p1)]
Stuttering criterion allowed to conclude after 59 steps with 6 reset in 1 ms.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-09 finished in 13797 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0||X(!p1)) U (F(p2)||G((p1 U p0)))))'
Support contains 9 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 3 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:45:13] [INFO ] Invariant cache hit.
[2024-05-29 06:45:13] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-29 06:45:13] [INFO ] Invariant cache hit.
[2024-05-29 06:45:13] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 146 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:45:13] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1081 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3900 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5077ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5078ms
Finished structural reductions in LTL mode , in 1 iterations and 5229 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 395 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p2) p1), (AND (NOT p2) (NOT p0) p1), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0) p1), (NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-10
Stuttering criterion allowed to conclude after 26 steps with 0 reset in 0 ms.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-10 finished in 5652 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((F(p0) U p1))||X(F(p2))))'
Support contains 9 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 3 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:45:18] [INFO ] Invariant cache hit.
[2024-05-29 06:45:18] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-29 06:45:18] [INFO ] Invariant cache hit.
[2024-05-29 06:45:18] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:45:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1073 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3840 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5006ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5007ms
Finished structural reductions in LTL mode , in 1 iterations and 5163 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 153 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-11
Product exploration explored 100000 steps with 50000 reset in 177 ms.
Product exploration explored 100000 steps with 50000 reset in 175 ms.
Computed a total of 67 stabilizing places and 76 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 76
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (NOT p0)), (X (X (NOT p0))), (X (X (NOT p1))), (F (G (NOT p1))), (F (G (NOT p0))), (F (G p2))]
False Knowledge obtained : [(X p1), (X (NOT p1)), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p1) (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 11 factoid took 18 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-11 finished in 5733 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(X(p0)) U p1)||G((G(p2)||p1))))'
Support contains 12 out of 67 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 10 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:45:24] [INFO ] Invariant cache hit.
[2024-05-29 06:45:24] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-29 06:45:24] [INFO ] Invariant cache hit.
[2024-05-29 06:45:24] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
[2024-05-29 06:45:24] [INFO ] Redundant transitions in 0 ms returned []
Running 72 sub problems to find dead transitions.
[2024-05-29 06:45:24] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1081 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3866 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5047ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5048ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 5256 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 214 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (OR (NOT p1) (NOT p0)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-12
Stuttering criterion allowed to conclude after 28 steps with 0 reset in 1 ms.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-12 finished in 5490 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))||(p1 U (!p0 U (F(!p0)&&p2)))))'
Support contains 7 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 1 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:45:30] [INFO ] Invariant cache hit.
[2024-05-29 06:45:30] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-05-29 06:45:30] [INFO ] Invariant cache hit.
[2024-05-29 06:45:30] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 183 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:45:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1125 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3903 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5120ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5121ms
Finished structural reductions in LTL mode , in 1 iterations and 5307 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 336 ms :[true, (AND (NOT p0) (NOT p2)), (NOT p0), (OR (NOT p2) p0), (OR (NOT p2) p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), p0]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-13
Entered a terminal (fully accepting) state of product in 33 steps with 1 reset in 0 ms.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-13 finished in 5667 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 67 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 9 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:45:35] [INFO ] Invariant cache hit.
[2024-05-29 06:45:35] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-29 06:45:35] [INFO ] Invariant cache hit.
[2024-05-29 06:45:35] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
[2024-05-29 06:45:35] [INFO ] Redundant transitions in 1 ms returned []
Running 72 sub problems to find dead transitions.
[2024-05-29 06:45:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1126 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3933 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5163ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5164ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 5348 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-14
Product exploration explored 100000 steps with 3944 reset in 308 ms.
Product exploration explored 100000 steps with 3942 reset in 325 ms.
Computed a total of 67 stabilizing places and 76 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 67 transition count 76
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X p0), (F (G p0))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 17 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-14 finished in 6102 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p0) U X((G(p1)&&X(p2)))))))'
Support contains 12 out of 67 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 67/67 places, 76/76 transitions.
Applied a total of 0 rules in 1 ms. Remains 67 /67 variables (removed 0) and now considering 76/76 (removed 0) transitions.
[2024-05-29 06:45:41] [INFO ] Invariant cache hit.
[2024-05-29 06:45:41] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-29 06:45:41] [INFO ] Invariant cache hit.
[2024-05-29 06:45:41] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2024-05-29 06:45:41] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 101 constraints, problems are : Problem set: 0 solved, 72 unsolved in 1087 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/67 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/67 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (OVERLAPS) 76/143 variables, 67/101 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 72/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 173 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3997 ms.
Refiners :[Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 67/67 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints]
After SMT, in 5169ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 5170ms
Finished structural reductions in LTL mode , in 1 iterations and 5324 ms. Remains : 67/67 places, 76/76 transitions.
Stuttering acceptance computed with spot in 474 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2)), (NOT p1), (NOT p2)]
Running random walk in product with property : Solitaire-PT-EngCT7x7-LTLFireability-15
Stuttering criterion allowed to conclude after 26 steps with 0 reset in 0 ms.
FORMULA Solitaire-PT-EngCT7x7-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Solitaire-PT-EngCT7x7-LTLFireability-15 finished in 5825 ms.
All properties solved by simple procedures.
Total runtime 84098 ms.
ITS solved all properties within timeout

BK_STOP 1716965148001

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Solitaire-PT-EngCT7x7"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is Solitaire-PT-EngCT7x7, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r399-tall-171690529400004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Solitaire-PT-EngCT7x7.tgz
mv Solitaire-PT-EngCT7x7 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;