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.r464-smll-171620118100252.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is AirplaneLD-PT-0020, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r464-smll-171620118100252
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 996K
-rw-r--r-- 1 mcc users 27K Apr 12 03:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 149K Apr 12 03:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Apr 12 03:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 12 03:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 12K Apr 22 14:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 45K Apr 22 14:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Apr 22 14:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 29K Apr 22 14:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 33K Apr 12 03:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 180K Apr 12 03:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 38K Apr 12 03:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 254K Apr 12 03:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.8K Apr 22 14:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.0K Apr 22 14:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 91K May 18 16:42 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 AirplaneLD-PT-0020-LTLFireability-00
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-01
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-02
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-03
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-04
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-05
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-06
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-07
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-08
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-09
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-10
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-11
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-12
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-13
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-14
FORMULA_NAME AirplaneLD-PT-0020-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717249504660

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AirplaneLD-PT-0020
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 13:45:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 13:45:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 13:45:07] [INFO ] Load time of PNML (sax parser for PT used): 197 ms
[2024-06-01 13:45:07] [INFO ] Transformed 159 places.
[2024-06-01 13:45:07] [INFO ] Transformed 168 transitions.
[2024-06-01 13:45:07] [INFO ] Found NUPN structural information;
[2024-06-01 13:45:07] [INFO ] Parsed PT model containing 159 places and 168 transitions and 638 arcs in 435 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
Reduce places removed 62 places and 0 transitions.
FORMULA AirplaneLD-PT-0020-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AirplaneLD-PT-0020-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 71 out of 97 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 97/97 places, 168/168 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 94 transition count 168
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 23 place count 74 transition count 148
Iterating global reduction 1 with 20 rules applied. Total rules applied 43 place count 74 transition count 148
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 63 place count 74 transition count 128
Applied a total of 63 rules in 57 ms. Remains 74 /97 variables (removed 23) and now considering 128/168 (removed 40) transitions.
// Phase 1: matrix 128 rows 74 cols
[2024-06-01 13:45:08] [INFO ] Computed 1 invariants in 27 ms
[2024-06-01 13:45:08] [INFO ] Implicit Places using invariants in 322 ms returned []
[2024-06-01 13:45:08] [INFO ] Invariant cache hit.
[2024-06-01 13:45:08] [INFO ] Implicit Places using invariants and state equation in 212 ms returned []
Implicit Place search using SMT with State Equation took 621 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2024-06-01 13:45:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/70 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 128/198 variables, 70/71 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (OVERLAPS) 4/202 variables, 4/75 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 0/202 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 202/202 variables, and 75 constraints, problems are : Problem set: 0 solved, 64 unsolved in 2831 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 74/74 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (OVERLAPS) 1/70 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 128/198 variables, 70/71 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/198 variables, 64/135 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (OVERLAPS) 4/202 variables, 4/139 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 8 (OVERLAPS) 0/202 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 202/202 variables, and 139 constraints, problems are : Problem set: 0 solved, 64 unsolved in 3014 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 74/74 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints]
After SMT, in 6065ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 6092ms
Starting structural reductions in LTL mode, iteration 1 : 74/97 places, 128/168 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6816 ms. Remains : 74/97 places, 128/168 transitions.
Support contains 71 out of 74 places after structural reductions.
[2024-06-01 13:45:15] [INFO ] Flatten gal took : 65 ms
[2024-06-01 13:45:15] [INFO ] Flatten gal took : 31 ms
[2024-06-01 13:45:15] [INFO ] Input system was already deterministic with 128 transitions.
RANDOM walk for 40000 steps (5155 resets) in 1983 ms. (20 steps per ms) remains 0/17 properties
Computed a total of 74 stabilizing places and 128 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 74 transition count 128
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' '!(X((F(G(p0)) U G(!p1))))'
Support contains 14 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 45 place count 29 transition count 83
Iterating global reduction 0 with 45 rules applied. Total rules applied 90 place count 29 transition count 83
Ensure Unique test removed 45 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 0 with 45 rules applied. Total rules applied 135 place count 29 transition count 38
Applied a total of 135 rules in 4 ms. Remains 29 /74 variables (removed 45) and now considering 38/128 (removed 90) transitions.
// Phase 1: matrix 38 rows 29 cols
[2024-06-01 13:45:16] [INFO ] Computed 1 invariants in 3 ms
[2024-06-01 13:45:16] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-06-01 13:45:16] [INFO ] Invariant cache hit.
[2024-06-01 13:45:16] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 19 sub problems to find dead transitions.
[2024-06-01 13:45:16] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 38/63 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 4/67 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/67 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 0/67 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 67/67 variables, and 30 constraints, problems are : Problem set: 0 solved, 19 unsolved in 306 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 1/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 38/63 variables, 25/26 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 19/45 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (OVERLAPS) 4/67 variables, 4/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/67 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 0/67 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 67/67 variables, and 49 constraints, problems are : Problem set: 0 solved, 19 unsolved in 343 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 29/29 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints]
After SMT, in 662ms problems are : Problem set: 0 solved, 19 unsolved
Search for dead transitions found 0 dead transitions in 664ms
Starting structural reductions in LTL mode, iteration 1 : 29/74 places, 38/128 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 753 ms. Remains : 29/74 places, 38/128 transitions.
Stuttering acceptance computed with spot in 301 ms :[p1, p1, (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-01
Stuttering criterion allowed to conclude after 326 steps with 42 reset in 10 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-01 finished in 1146 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(((p0&&G(F(p0))&&F(!p1))||G(p0))))'
Support contains 21 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Graph (complete) has 82 edges and 74 vertex of which 31 are kept as prefixes of interest. Removing 43 places using SCC suffix rule.2 ms
Discarding 43 places :
Also discarding 60 output transitions
Drop transitions (Output transitions of discarded places.) removed 60 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 31 transition count 49
Applied a total of 20 rules in 16 ms. Remains 31 /74 variables (removed 43) and now considering 49/128 (removed 79) transitions.
// Phase 1: matrix 49 rows 31 cols
[2024-06-01 13:45:17] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:45:17] [INFO ] Implicit Places using invariants in 31 ms returned [30]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/74 places, 49/128 transitions.
Graph (complete) has 27 edges and 30 vertex of which 29 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 29 transition count 47
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 28 transition count 47
Applied a total of 3 rules in 3 ms. Remains 28 /30 variables (removed 2) and now considering 47/49 (removed 2) transitions.
// Phase 1: matrix 47 rows 28 cols
[2024-06-01 13:45:17] [INFO ] Computed 0 invariants in 1 ms
[2024-06-01 13:45:17] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-06-01 13:45:17] [INFO ] Invariant cache hit.
[2024-06-01 13:45:17] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 28/74 places, 47/128 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 122 ms. Remains : 28/74 places, 47/128 transitions.
Stuttering acceptance computed with spot in 285 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) p1), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-02
Product exploration explored 100000 steps with 21170 reset in 286 ms.
Product exploration explored 100000 steps with 21096 reset in 270 ms.
Computed a total of 28 stabilizing places and 47 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 28 transition count 47
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 p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 21 ms. Reduced automaton from 5 states, 10 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-PT-0020-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0020-LTLFireability-02 finished in 1060 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 2 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Graph (complete) has 82 edges and 74 vertex of which 4 are kept as prefixes of interest. Removing 70 places using SCC suffix rule.0 ms
Discarding 70 places :
Also discarding 124 output transitions
Drop transitions (Output transitions of discarded places.) removed 124 transitions
Applied a total of 1 rules in 1 ms. Remains 4 /74 variables (removed 70) and now considering 4/128 (removed 124) transitions.
// Phase 1: matrix 4 rows 4 cols
[2024-06-01 13:45:18] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 13:45:18] [INFO ] Implicit Places using invariants in 23 ms returned []
[2024-06-01 13:45:18] [INFO ] Invariant cache hit.
[2024-06-01 13:45:18] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2024-06-01 13:45:18] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2024-06-01 13:45:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/8 variables, and 5 constraints, problems are : Problem set: 0 solved, 2 unsolved in 33 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/8 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 39 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 76ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 76ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/74 places, 4/128 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 127 ms. Remains : 4/74 places, 4/128 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-03
Product exploration explored 100000 steps with 33333 reset in 163 ms.
Product exploration explored 100000 steps with 33333 reset in 251 ms.
Computed a total of 4 stabilizing places and 4 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 4
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 (X p0)), (F (G p0))]
False Knowledge obtained : [(X p0), (X (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 16 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-PT-0020-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0020-LTLFireability-03 finished in 638 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)))'
Support contains 13 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Discarding 44 places :
Symmetric choice reduction at 0 with 44 rule applications. Total rules 44 place count 30 transition count 84
Iterating global reduction 0 with 44 rules applied. Total rules applied 88 place count 30 transition count 84
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 0 with 44 rules applied. Total rules applied 132 place count 30 transition count 40
Applied a total of 132 rules in 5 ms. Remains 30 /74 variables (removed 44) and now considering 40/128 (removed 88) transitions.
// Phase 1: matrix 40 rows 30 cols
[2024-06-01 13:45:19] [INFO ] Computed 1 invariants in 2 ms
[2024-06-01 13:45:19] [INFO ] Implicit Places using invariants in 43 ms returned [29]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 29/74 places, 40/128 transitions.
Graph (complete) has 27 edges and 29 vertex of which 28 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 28 transition count 38
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 27 transition count 38
Applied a total of 3 rules in 4 ms. Remains 27 /29 variables (removed 2) and now considering 38/40 (removed 2) transitions.
// Phase 1: matrix 38 rows 27 cols
[2024-06-01 13:45:19] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 13:45:19] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 13:45:19] [INFO ] Invariant cache hit.
[2024-06-01 13:45:19] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 27/74 places, 38/128 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 146 ms. Remains : 27/74 places, 38/128 transitions.
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-04
Stuttering criterion allowed to conclude after 15 steps with 1 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-04 finished in 233 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((p0&&G((F(G(p1))&&F(p2))))))'
Support contains 12 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Discarding 46 places :
Symmetric choice reduction at 0 with 46 rule applications. Total rules 46 place count 28 transition count 82
Iterating global reduction 0 with 46 rules applied. Total rules applied 92 place count 28 transition count 82
Ensure Unique test removed 46 transitions
Reduce isomorphic transitions removed 46 transitions.
Iterating post reduction 0 with 46 rules applied. Total rules applied 138 place count 28 transition count 36
Applied a total of 138 rules in 4 ms. Remains 28 /74 variables (removed 46) and now considering 36/128 (removed 92) transitions.
// Phase 1: matrix 36 rows 28 cols
[2024-06-01 13:45:19] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:45:19] [INFO ] Implicit Places using invariants in 32 ms returned [27]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 27/74 places, 36/128 transitions.
Graph (complete) has 25 edges and 27 vertex of which 26 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 4 ms. Remains 26 /27 variables (removed 1) and now considering 35/36 (removed 1) transitions.
// Phase 1: matrix 35 rows 26 cols
[2024-06-01 13:45:19] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 13:45:19] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-06-01 13:45:19] [INFO ] Invariant cache hit.
[2024-06-01 13:45:19] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 26/74 places, 35/128 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 110 ms. Remains : 26/74 places, 35/128 transitions.
Stuttering acceptance computed with spot in 243 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (NOT p1), (NOT p2), (OR (NOT p1) (NOT p2)), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-06
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-06 finished in 377 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((X(G(p1))||p0)))'
Support contains 21 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Discarding 38 places :
Symmetric choice reduction at 0 with 38 rule applications. Total rules 38 place count 36 transition count 90
Iterating global reduction 0 with 38 rules applied. Total rules applied 76 place count 36 transition count 90
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 0 with 38 rules applied. Total rules applied 114 place count 36 transition count 52
Applied a total of 114 rules in 2 ms. Remains 36 /74 variables (removed 38) and now considering 52/128 (removed 76) transitions.
// Phase 1: matrix 52 rows 36 cols
[2024-06-01 13:45:19] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:45:19] [INFO ] Implicit Places using invariants in 45 ms returned [35]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/74 places, 52/128 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 52/52 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 50 ms. Remains : 35/74 places, 52/128 transitions.
Stuttering acceptance computed with spot in 92 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-07
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-07 finished in 161 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)))'
Support contains 3 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Graph (complete) has 82 edges and 74 vertex of which 53 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.1 ms
Discarding 21 places :
Also discarding 20 output transitions
Drop transitions (Output transitions of discarded places.) removed 20 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 20 place count 53 transition count 89
Discarding 36 places :
Symmetric choice reduction at 1 with 36 rule applications. Total rules 56 place count 17 transition count 53
Iterating global reduction 1 with 36 rules applied. Total rules applied 92 place count 17 transition count 53
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 128 place count 17 transition count 17
Applied a total of 128 rules in 4 ms. Remains 17 /74 variables (removed 57) and now considering 17/128 (removed 111) transitions.
// Phase 1: matrix 17 rows 17 cols
[2024-06-01 13:45:19] [INFO ] Computed 1 invariants in 1 ms
[2024-06-01 13:45:20] [INFO ] Implicit Places using invariants in 36 ms returned [16]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 16/74 places, 17/128 transitions.
Graph (complete) has 13 edges and 16 vertex of which 15 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 15 transition count 15
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 14 transition count 15
Applied a total of 3 rules in 2 ms. Remains 14 /16 variables (removed 2) and now considering 15/17 (removed 2) transitions.
// Phase 1: matrix 15 rows 14 cols
[2024-06-01 13:45:20] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 13:45:20] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-06-01 13:45:20] [INFO ] Invariant cache hit.
[2024-06-01 13:45:20] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 14/74 places, 15/128 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 113 ms. Remains : 14/74 places, 15/128 transitions.
Stuttering acceptance computed with spot in 87 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-08
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-08 finished in 217 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(p0)))'
Support contains 2 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 20 transition count 74
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 20 transition count 74
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 0 with 54 rules applied. Total rules applied 162 place count 20 transition count 20
Applied a total of 162 rules in 2 ms. Remains 20 /74 variables (removed 54) and now considering 20/128 (removed 108) transitions.
// Phase 1: matrix 20 rows 20 cols
[2024-06-01 13:45:20] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 13:45:20] [INFO ] Implicit Places using invariants in 42 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/74 places, 20/128 transitions.
Applied a total of 0 rules in 0 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 19/74 places, 20/128 transitions.
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 144 ms.
Product exploration explored 100000 steps with 50000 reset in 160 ms.
Computed a total of 19 stabilizing places and 20 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 19 transition count 20
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 14 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-PT-0020-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0020-LTLFireability-09 finished in 495 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((p0||X(!p1))) U X(p2)))'
Support contains 5 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 20 transition count 74
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 20 transition count 74
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 0 with 54 rules applied. Total rules applied 162 place count 20 transition count 20
Applied a total of 162 rules in 1 ms. Remains 20 /74 variables (removed 54) and now considering 20/128 (removed 108) transitions.
// Phase 1: matrix 20 rows 20 cols
[2024-06-01 13:45:20] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 13:45:20] [INFO ] Implicit Places using invariants in 42 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 44 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/74 places, 20/128 transitions.
Applied a total of 0 rules in 0 ms. Remains 19 /19 variables (removed 0) and now considering 20/20 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 45 ms. Remains : 19/74 places, 20/128 transitions.
Stuttering acceptance computed with spot in 229 ms :[(NOT p2), (AND (NOT p0) p1 (NOT p2)), (NOT p2), (AND (NOT p0) p1)]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-10
Stuttering criterion allowed to conclude after 10 steps with 1 reset in 0 ms.
FORMULA AirplaneLD-PT-0020-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AirplaneLD-PT-0020-LTLFireability-10 finished in 293 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)||G(p1))))'
Support contains 3 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 128/128 transitions.
Graph (complete) has 82 edges and 74 vertex of which 30 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.1 ms
Discarding 44 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Discarding 18 places :
Symmetric choice reduction at 0 with 18 rule applications. Total rules 19 place count 12 transition count 30
Iterating global reduction 0 with 18 rules applied. Total rules applied 37 place count 12 transition count 30
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 55 place count 12 transition count 12
Applied a total of 55 rules in 3 ms. Remains 12 /74 variables (removed 62) and now considering 12/128 (removed 116) transitions.
// Phase 1: matrix 12 rows 12 cols
[2024-06-01 13:45:20] [INFO ] Computed 1 invariants in 0 ms
[2024-06-01 13:45:21] [INFO ] Implicit Places using invariants in 39 ms returned [11]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 40 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 11/74 places, 12/128 transitions.
Graph (complete) has 9 edges and 11 vertex of which 10 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 10 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 9 transition count 10
Applied a total of 3 rules in 4 ms. Remains 9 /11 variables (removed 2) and now considering 10/12 (removed 2) transitions.
// Phase 1: matrix 10 rows 9 cols
[2024-06-01 13:45:21] [INFO ] Computed 0 invariants in 0 ms
[2024-06-01 13:45:21] [INFO ] Implicit Places using invariants in 31 ms returned []
[2024-06-01 13:45:21] [INFO ] Invariant cache hit.
[2024-06-01 13:45:21] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 9/74 places, 10/128 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 118 ms. Remains : 9/74 places, 10/128 transitions.
Stuttering acceptance computed with spot in 52 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : AirplaneLD-PT-0020-LTLFireability-15
Product exploration explored 100000 steps with 21067 reset in 317 ms.
Product exploration explored 100000 steps with 21032 reset in 230 ms.
Computed a total of 9 stabilizing places and 10 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 9 transition count 10
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 p0) (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND p0 p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : [(X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X p0), (X (NOT p0)), (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 9 factoid took 15 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AirplaneLD-PT-0020-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AirplaneLD-PT-0020-LTLFireability-15 finished in 780 ms.
All properties solved by simple procedures.
Total runtime 14538 ms.
ITS solved all properties within timeout

BK_STOP 1717249522122

--------------------
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:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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="AirplaneLD-PT-0020"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is AirplaneLD-PT-0020, 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 r464-smll-171620118100252"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-0020.tgz
mv AirplaneLD-PT-0020 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 ;