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.r333-tall-171679078300356.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 SafeBus-COL-03, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r333-tall-171679078300356
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.9K Apr 12 14:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Apr 12 14:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Apr 12 14:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Apr 12 14:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 07:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 23 07:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 23 07:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 12 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K Apr 12 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Apr 12 14:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Apr 12 14:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 42K 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 SafeBus-COL-03-LTLFireability-00
FORMULA_NAME SafeBus-COL-03-LTLFireability-01
FORMULA_NAME SafeBus-COL-03-LTLFireability-02
FORMULA_NAME SafeBus-COL-03-LTLFireability-03
FORMULA_NAME SafeBus-COL-03-LTLFireability-04
FORMULA_NAME SafeBus-COL-03-LTLFireability-05
FORMULA_NAME SafeBus-COL-03-LTLFireability-06
FORMULA_NAME SafeBus-COL-03-LTLFireability-07
FORMULA_NAME SafeBus-COL-03-LTLFireability-08
FORMULA_NAME SafeBus-COL-03-LTLFireability-09
FORMULA_NAME SafeBus-COL-03-LTLFireability-10
FORMULA_NAME SafeBus-COL-03-LTLFireability-11
FORMULA_NAME SafeBus-COL-03-LTLFireability-12
FORMULA_NAME SafeBus-COL-03-LTLFireability-13
FORMULA_NAME SafeBus-COL-03-LTLFireability-14
FORMULA_NAME SafeBus-COL-03-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716839849169

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SafeBus-COL-03
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-27 19:57:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-27 19:57:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 19:57:30] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-27 19:57:30] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-27 19:57:30] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 582 ms
[2024-05-27 19:57:30] [INFO ] Detected 1 constant HL places corresponding to 3 PT places.
[2024-05-27 19:57:30] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 60 PT places and 214.0 transition bindings in 22 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
[2024-05-27 19:57:31] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 4 ms.
[2024-05-27 19:57:31] [INFO ] Skeletonized 14 HLPN properties in 1 ms. Removed 2 properties that had guard overlaps.
Initial state reduction rules removed 4 formulas.
FORMULA SafeBus-COL-03-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-COL-03-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-COL-03-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SafeBus-COL-03-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 7 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Reduction of identical properties reduced properties to check from 15 to 12
RANDOM walk for 746 steps (0 resets) in 48 ms. (15 steps per ms) remains 0/12 properties
[2024-05-27 19:57:31] [INFO ] Flatten gal took : 15 ms
[2024-05-27 19:57:31] [INFO ] Flatten gal took : 3 ms
Domain [It(3), It(3)] of place AMC breaks symmetries in sort It
[2024-05-27 19:57:31] [INFO ] Unfolded HLPN to a Petri net with 60 places and 97 transitions 556 arcs in 24 ms.
[2024-05-27 19:57:31] [INFO ] Unfolded 12 HLPN properties in 1 ms.
[2024-05-27 19:57:31] [INFO ] Reduced 3 identical enabling conditions.
[2024-05-27 19:57:31] [INFO ] Reduced 3 identical enabling conditions.
[2024-05-27 19:57:31] [INFO ] Reduced 3 identical enabling conditions.
[2024-05-27 19:57:31] [INFO ] Reduced 3 identical enabling conditions.
[2024-05-27 19:57:31] [INFO ] Reduced 3 identical enabling conditions.
[2024-05-27 19:57:31] [INFO ] Reduced 3 identical enabling conditions.
[2024-05-27 19:57:31] [INFO ] Reduced 3 identical enabling conditions.
[2024-05-27 19:57:31] [INFO ] Reduced 3 identical enabling conditions.
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 6 places and 6 transitions.
Support contains 53 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 91/91 transitions.
Applied a total of 0 rules in 6 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2024-05-27 19:57:31] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2024-05-27 19:57:31] [INFO ] Computed 17 invariants in 17 ms
[2024-05-27 19:57:31] [INFO ] Implicit Places using invariants in 168 ms returned []
[2024-05-27 19:57:31] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2024-05-27 19:57:31] [INFO ] Invariant cache hit.
[2024-05-27 19:57:31] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:31] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 264 ms to find 0 implicit places.
Running 88 sub problems to find dead transitions.
[2024-05-27 19:57:31] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2024-05-27 19:57:31] [INFO ] Invariant cache hit.
[2024-05-27 19:57:31] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 88 unsolved
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD33 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 7 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 1 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 0 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 0 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 1 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 0 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 0 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 0 ms to minimize.
[2024-05-27 19:57:32] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/98 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/98 constraints. Problems are: Problem set: 9 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 98 constraints, problems are : Problem set: 9 solved, 79 unsolved in 2124 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 88/88 constraints, Known Traps: 14/14 constraints]
Escalating to Integer solving :Problem set: 9 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 14/31 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 19:57:34] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 1/32 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/32 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/86 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/99 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/178 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 19:57:34] [INFO ] Deduced a trap composed of 17 places in 31 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 1/179 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 0/179 constraints. Problems are: Problem set: 9 solved, 79 unsolved
[2024-05-27 19:57:35] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 1 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/122 variables, 1/180 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/180 constraints. Problems are: Problem set: 9 solved, 79 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/180 constraints. Problems are: Problem set: 9 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 180 constraints, problems are : Problem set: 9 solved, 79 unsolved in 3341 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/88 constraints, Known Traps: 17/17 constraints]
After SMT, in 5552ms problems are : Problem set: 9 solved, 79 unsolved
Search for dead transitions found 9 dead transitions in 5571ms
Found 9 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in LTL mode, iteration 1 : 54/54 places, 82/91 transitions.
Applied a total of 0 rules in 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 5855 ms. Remains : 54/54 places, 82/91 transitions.
Support contains 53 out of 54 places after structural reductions.
[2024-05-27 19:57:37] [INFO ] Flatten gal took : 15 ms
[2024-05-27 19:57:37] [INFO ] Flatten gal took : 19 ms
[2024-05-27 19:57:37] [INFO ] Input system was already deterministic with 82 transitions.
Reduction of identical properties reduced properties to check from 23 to 17
RANDOM walk for 40000 steps (8 resets) in 1686 ms. (23 steps per ms) remains 1/17 properties
BEST_FIRST walk for 40003 steps (8 resets) in 585 ms. (68 steps per ms) remains 1/1 properties
[2024-05-27 19:57:37] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:37] [INFO ] Invariant cache hit.
[2024-05-27 19:57:37] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/31 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp18 is UNSAT
After SMT solving in domain Real declared 51/122 variables, and 15 constraints, problems are : Problem set: 1 solved, 0 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 5/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 0/54 constraints, ReadFeed: 0/13 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 35ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
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)) U (p1&&G(p2))))'
Support contains 22 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 6 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:57:38] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:38] [INFO ] Invariant cache hit.
[2024-05-27 19:57:38] [INFO ] Implicit Places using invariants in 40 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 44 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 51 transition count 79
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 48 transition count 79
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 45 transition count 82
Applied a total of 12 rules in 14 ms. Remains 45 /51 variables (removed 6) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:57:38] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 45 cols
[2024-05-27 19:57:38] [INFO ] Computed 14 invariants in 1 ms
[2024-05-27 19:57:38] [INFO ] Implicit Places using invariants in 37 ms returned []
[2024-05-27 19:57:38] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:38] [INFO ] Invariant cache hit.
[2024-05-27 19:57:38] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:38] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 45/54 places, 82/82 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 156 ms. Remains : 45/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 248 ms :[(OR (NOT p2) (NOT p1)), p0, (NOT p2)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-00
Product exploration explored 100000 steps with 9454 reset in 404 ms.
Stack based approach found an accepted trace after 96951 steps with 9255 reset with depth 20 and stack size 20 in 286 ms.
FORMULA SafeBus-COL-03-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-00 finished in 1160 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 6 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:57:39] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2024-05-27 19:57:39] [INFO ] Computed 17 invariants in 4 ms
[2024-05-27 19:57:39] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-27 19:57:39] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:39] [INFO ] Invariant cache hit.
[2024-05-27 19:57:39] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:39] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-05-27 19:57:39] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:39] [INFO ] Invariant cache hit.
[2024-05-27 19:57:39] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 2 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 1 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 0 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 1 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 0 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 1 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 0 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 2 ms to minimize.
[2024-05-27 19:57:40] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1776 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:41] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 0 ms to minimize.
[2024-05-27 19:57:41] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1676 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3485ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3486ms
Finished structural reductions in LTL mode , in 1 iterations and 3656 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-01
Product exploration explored 100000 steps with 13738 reset in 200 ms.
Product exploration explored 100000 steps with 13706 reset in 159 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 72 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 28 steps (0 resets) in 7 ms. (3 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 90 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 71 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
[2024-05-27 19:57:44] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:44] [INFO ] Invariant cache hit.
[2024-05-27 19:57:44] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-05-27 19:57:44] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-27 19:57:44] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-27 19:57:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 19:57:44] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-05-27 19:57:44] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-27 19:57:44] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-27 19:57:44] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:44] [INFO ] [Nat]Added 13 Read/Feed constraints in 2 ms returned sat
[2024-05-27 19:57:44] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 8 ms.
[2024-05-27 19:57:44] [INFO ] Added : 9 causal constraints over 2 iterations in 36 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 6 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:57:44] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:44] [INFO ] Invariant cache hit.
[2024-05-27 19:57:44] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-27 19:57:44] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:44] [INFO ] Invariant cache hit.
[2024-05-27 19:57:44] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:44] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
[2024-05-27 19:57:44] [INFO ] Redundant transitions in 2 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-27 19:57:44] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:44] [INFO ] Invariant cache hit.
[2024-05-27 19:57:44] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:44] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 1 ms to minimize.
[2024-05-27 19:57:44] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 1 ms to minimize.
[2024-05-27 19:57:44] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:57:44] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 4 ms to minimize.
[2024-05-27 19:57:44] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 0 ms to minimize.
[2024-05-27 19:57:44] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 1 ms to minimize.
[2024-05-27 19:57:44] [INFO ] Deduced a trap composed of 13 places in 25 ms of which 1 ms to minimize.
[2024-05-27 19:57:45] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:57:45] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:45] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:57:45] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
[2024-05-27 19:57:45] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1754 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:46] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:57:46] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1634 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3419ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3421ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3571 ms. Remains : 54/54 places, 82/82 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 72 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 p0), (NOT p0)]
RANDOM walk for 24 steps (0 resets) in 5 ms. (4 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 208 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 67 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
[2024-05-27 19:57:48] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:48] [INFO ] Invariant cache hit.
[2024-05-27 19:57:48] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-05-27 19:57:48] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-27 19:57:48] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-27 19:57:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 19:57:48] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-05-27 19:57:48] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-27 19:57:48] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-27 19:57:48] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:48] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2024-05-27 19:57:48] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 6 ms.
[2024-05-27 19:57:48] [INFO ] Added : 9 causal constraints over 2 iterations in 29 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 13751 reset in 127 ms.
Product exploration explored 100000 steps with 13777 reset in 133 ms.
Support contains 6 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 12 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:57:48] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:48] [INFO ] Invariant cache hit.
[2024-05-27 19:57:49] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-27 19:57:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:49] [INFO ] Invariant cache hit.
[2024-05-27 19:57:49] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:49] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
[2024-05-27 19:57:49] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-27 19:57:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:49] [INFO ] Invariant cache hit.
[2024-05-27 19:57:49] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 1 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 0 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 2 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 1 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 1 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 1 ms to minimize.
[2024-05-27 19:57:49] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 8 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1729 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:51] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 1 ms to minimize.
[2024-05-27 19:57:51] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1627 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3385ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3386ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3539 ms. Remains : 54/54 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-01 finished in 12935 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&&G((X((G(!p2) U (p3&&G(!p2))))||p1))) U X(p0)))'
Support contains 26 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:57:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:52] [INFO ] Invariant cache hit.
[2024-05-27 19:57:52] [INFO ] Implicit Places using invariants in 36 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 37 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 39 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 343 ms :[(NOT p0), (NOT p0), (OR (AND (NOT p0) p1 (NOT p3)) (AND (NOT p0) p2)), (NOT p0), true, p2, (OR (NOT p3) p2), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) p2))]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-02 finished in 406 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(X(X(((p1 U (p2||G(p1))) U ((!p3&&(p1 U (p2||G(p1))))||G((p1 U (p2||G(p1)))))))))||p0)))'
Support contains 14 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:57:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:52] [INFO ] Invariant cache hit.
[2024-05-27 19:57:53] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-27 19:57:53] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:53] [INFO ] Invariant cache hit.
[2024-05-27 19:57:53] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:53] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-05-27 19:57:53] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:53] [INFO ] Invariant cache hit.
[2024-05-27 19:57:53] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 1 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 1 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 1 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 0 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 0 ms to minimize.
[2024-05-27 19:57:53] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1691 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:54] [INFO ] Deduced a trap composed of 7 places in 40 ms of which 0 ms to minimize.
[2024-05-27 19:57:54] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1685 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3402ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3405ms
Finished structural reductions in LTL mode , in 1 iterations and 3536 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 210 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true, (AND (NOT p2) (NOT p1))]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-03
Entered a terminal (fully accepting) state of product in 331 steps with 0 reset in 1 ms.
FORMULA SafeBus-COL-03-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-03 finished in 3770 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((X((G(p1)||(F((p3&&G(p4)))&&p2)))||p0))))'
Support contains 26 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 0 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:57:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:56] [INFO ] Invariant cache hit.
[2024-05-27 19:57:56] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-27 19:57:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:56] [INFO ] Invariant cache hit.
[2024-05-27 19:57:56] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:57:56] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-05-27 19:57:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:57:56] [INFO ] Invariant cache hit.
[2024-05-27 19:57:56] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 1 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 0 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 1 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 0 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 14 places in 25 ms of which 1 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 1 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 0 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 0 ms to minimize.
[2024-05-27 19:57:57] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1698 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:57:58] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 0 ms to minimize.
[2024-05-27 19:57:58] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1710 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3448ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3449ms
Finished structural reductions in LTL mode , in 1 iterations and 3548 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 242 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p4))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p4))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p4))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p4))), (AND (NOT p0) (NOT p1) (NOT p4))]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-04
Product exploration explored 100000 steps with 698 reset in 315 ms.
Stack based approach found an accepted trace after 64 steps with 0 reset with depth 65 and stack size 65 in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-04 finished in 4134 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)||(G(!p2)&&p1))))'
Support contains 19 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:00] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:00] [INFO ] Invariant cache hit.
[2024-05-27 19:58:00] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-27 19:58:00] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:00] [INFO ] Invariant cache hit.
[2024-05-27 19:58:00] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:00] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:00] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:00] [INFO ] Invariant cache hit.
[2024-05-27 19:58:00] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 1 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 0 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 0 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 1 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 0 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 0 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 0 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 0 ms to minimize.
[2024-05-27 19:58:01] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1685 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:02] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:58:02] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1623 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3335ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3335ms
Finished structural reductions in LTL mode , in 1 iterations and 3449 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 164 ms :[(NOT p0), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), (AND (NOT p0) p2)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-05
Product exploration explored 100000 steps with 10762 reset in 149 ms.
Stack based approach found an accepted trace after 67041 steps with 7204 reset with depth 30 and stack size 30 in 106 ms.
FORMULA SafeBus-COL-03-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-05 finished in 3890 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(((X(p0) U !p1)||G(!p1)))))'
Support contains 12 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:04] [INFO ] Invariant cache hit.
[2024-05-27 19:58:04] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-05-27 19:58:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:04] [INFO ] Invariant cache hit.
[2024-05-27 19:58:04] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:04] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:04] [INFO ] Invariant cache hit.
[2024-05-27 19:58:04] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 1 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 0 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 1 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 1 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 0 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 0 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 1 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 0 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:58:05] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1739 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:06] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:58:06] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1660 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3427ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3428ms
Finished structural reductions in LTL mode , in 1 iterations and 3547 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 118 ms :[p1, p1, (OR (NOT p0) p1), true]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-06 finished in 3685 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)&&F(G((X(p2)&&p3)))&&X(p2))))'
Support contains 32 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:08] [INFO ] Invariant cache hit.
[2024-05-27 19:58:08] [INFO ] Implicit Places using invariants in 35 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 36 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 151 ms :[(OR (NOT p1) (NOT p2) (NOT p3)), (OR (NOT p1) (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p3))), (OR (NOT p2) (NOT p3)), (OR (NOT p3) (NOT p2))]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-08
Product exploration explored 100000 steps with 0 reset in 178 ms.
Stack based approach found an accepted trace after 93 steps with 0 reset with depth 94 and stack size 94 in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-08 finished in 392 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(X(F(!p0))))&&G(!p1)) U p2))'
Support contains 28 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:08] [INFO ] Invariant cache hit.
[2024-05-27 19:58:08] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-05-27 19:58:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:08] [INFO ] Invariant cache hit.
[2024-05-27 19:58:08] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:08] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:08] [INFO ] Invariant cache hit.
[2024-05-27 19:58:08] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 1 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 0 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 1 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 0 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 0 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 1 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 0 ms to minimize.
[2024-05-27 19:58:09] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1702 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:10] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:58:10] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1665 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3397ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3398ms
Finished structural reductions in LTL mode , in 1 iterations and 3488 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 197 ms :[p1, (NOT p2), (OR p0 p1), true, (OR (NOT p2) p0 p1), (OR p1 p0)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-09
Entered a terminal (fully accepting) state of product in 91 steps with 0 reset in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-09 finished in 3709 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(p0)||G(F((!p1 U (p2||G(!p1)))))))'
Support contains 16 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 7 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:12] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:12] [INFO ] Invariant cache hit.
[2024-05-27 19:58:12] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-27 19:58:12] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:12] [INFO ] Invariant cache hit.
[2024-05-27 19:58:12] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:12] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
[2024-05-27 19:58:12] [INFO ] Redundant transitions in 2 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:12] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:12] [INFO ] Invariant cache hit.
[2024-05-27 19:58:12] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:12] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-05-27 19:58:12] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 1 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 1 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 1 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 13 places in 21 ms of which 1 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 7 places in 36 ms of which 1 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 16 places in 24 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 0 ms to minimize.
[2024-05-27 19:58:13] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1745 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:14] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:58:14] [INFO ] Deduced a trap composed of 9 places in 30 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1670 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3446ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3449ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3586 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-10
Product exploration explored 100000 steps with 3695 reset in 186 ms.
Product exploration explored 100000 steps with 3685 reset in 200 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p2) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
Knowledge based reduction with 11 factoid took 265 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
RANDOM walk for 21 steps (0 resets) in 5 ms. (3 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p2) p1))), (X (NOT p1)), (X (X (NOT (AND (NOT p2) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F (NOT p0)), (F (NOT (OR p2 p0 (NOT p1)))), (F p1), (F (NOT p2)), (F (NOT (OR p2 (NOT p1)))), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 11 factoid took 440 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 119 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Support contains 16 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 4 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:17] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:17] [INFO ] Invariant cache hit.
[2024-05-27 19:58:17] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-27 19:58:17] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:17] [INFO ] Invariant cache hit.
[2024-05-27 19:58:17] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:17] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
[2024-05-27 19:58:17] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:17] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:17] [INFO ] Invariant cache hit.
[2024-05-27 19:58:17] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 0 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 1 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 1 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 1 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 14 places in 25 ms of which 0 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 0 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 0 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 0 ms to minimize.
[2024-05-27 19:58:18] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1701 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:19] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 0 ms to minimize.
[2024-05-27 19:58:19] [INFO ] Deduced a trap composed of 9 places in 36 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1604 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3331ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3333ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3454 ms. Remains : 54/54 places, 82/82 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1)))))]
Knowledge based reduction with 11 factoid took 257 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 118 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
RANDOM walk for 60 steps (0 resets) in 8 ms. (6 steps per ms) remains 0/6 properties
Knowledge obtained : [(AND p0 p2 (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X p0), (X (NOT p1)), (X (X (NOT (AND (NOT p2) p1)))), (X (X (NOT (AND (NOT p2) (NOT p0) p1)))), (X (X p0)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F (NOT p0)), (F (NOT (OR p2 p0 (NOT p1)))), (F p1), (F (NOT p2)), (F (NOT (OR p2 (NOT p1)))), (F (NOT (OR p2 p1)))]
Knowledge based reduction with 11 factoid took 437 ms. Reduced automaton from 3 states, 7 edges and 3 AP (stutter insensitive) to 3 states, 7 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 115 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 99 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Product exploration explored 100000 steps with 3676 reset in 183 ms.
Product exploration explored 100000 steps with 3698 reset in 197 ms.
Support contains 16 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 5 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:22] [INFO ] Invariant cache hit.
[2024-05-27 19:58:22] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-05-27 19:58:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:22] [INFO ] Invariant cache hit.
[2024-05-27 19:58:22] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:22] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
[2024-05-27 19:58:22] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:22] [INFO ] Invariant cache hit.
[2024-05-27 19:58:22] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 1 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 1 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 1 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 0 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 1 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 1 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 0 ms to minimize.
[2024-05-27 19:58:23] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1708 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:24] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 0 ms to minimize.
[2024-05-27 19:58:24] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1656 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3393ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3395ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3526 ms. Remains : 54/54 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-10 finished in 13784 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((G(p1)||p0))))'
Support contains 10 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:26] [INFO ] Invariant cache hit.
[2024-05-27 19:58:26] [INFO ] Implicit Places using invariants in 40 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 41 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 113 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-11 finished in 166 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)&&X(p1)) U (X((G(p1) U (p0&&G(p1))))||p2))))'
Support contains 20 out of 54 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:26] [INFO ] Invariant cache hit.
[2024-05-27 19:58:26] [INFO ] Implicit Places using invariants in 44 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 44 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 51/54 places, 82/82 transitions.
Applied a total of 0 rules in 1 ms. Remains 51 /51 variables (removed 0) and now considering 82/82 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 46 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 266 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (NOT p1), (AND p0 (NOT p1)), (AND (NOT p1) (NOT p2)), true, p0]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-15
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SafeBus-COL-03-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SafeBus-COL-03-LTLFireability-15 finished in 333 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)))'
Found a Shortening insensitive property : SafeBus-COL-03-LTLFireability-01
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Support contains 6 out of 54 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:27] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:27] [INFO ] Invariant cache hit.
[2024-05-27 19:58:27] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-27 19:58:27] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:27] [INFO ] Invariant cache hit.
[2024-05-27 19:58:27] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:27] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 136 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:27] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:27] [INFO ] Invariant cache hit.
[2024-05-27 19:58:27] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 1 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 13 places in 25 ms of which 1 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 0 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 0 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 1 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 1 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 1 ms to minimize.
[2024-05-27 19:58:27] [INFO ] Deduced a trap composed of 11 places in 25 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1695 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:29] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:58:29] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1626 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3352ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3353ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 3492 ms. Remains : 54/54 places, 82/82 transitions.
Running random walk in product with property : SafeBus-COL-03-LTLFireability-01
Product exploration explored 100000 steps with 13718 reset in 125 ms.
Product exploration explored 100000 steps with 13732 reset in 136 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 64 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 33 steps (0 resets) in 4 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 72 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 58 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 52 ms :[(NOT p0), (NOT p0)]
[2024-05-27 19:58:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:31] [INFO ] Invariant cache hit.
[2024-05-27 19:58:31] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-05-27 19:58:31] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-27 19:58:31] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-27 19:58:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 19:58:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-05-27 19:58:31] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-27 19:58:31] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2024-05-27 19:58:31] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:31] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2024-05-27 19:58:31] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 5 ms.
[2024-05-27 19:58:31] [INFO ] Added : 9 causal constraints over 2 iterations in 33 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 6 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:31] [INFO ] Invariant cache hit.
[2024-05-27 19:58:31] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-05-27 19:58:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:31] [INFO ] Invariant cache hit.
[2024-05-27 19:58:31] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:31] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
[2024-05-27 19:58:31] [INFO ] Redundant transitions in 2 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:31] [INFO ] Invariant cache hit.
[2024-05-27 19:58:31] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:31] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 0 ms to minimize.
[2024-05-27 19:58:31] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 0 ms to minimize.
[2024-05-27 19:58:31] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:58:31] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 0 ms to minimize.
[2024-05-27 19:58:31] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 0 ms to minimize.
[2024-05-27 19:58:31] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 1 ms to minimize.
[2024-05-27 19:58:31] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 1 ms to minimize.
[2024-05-27 19:58:31] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 0 ms to minimize.
[2024-05-27 19:58:32] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:32] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 1 ms to minimize.
[2024-05-27 19:58:32] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 0 ms to minimize.
[2024-05-27 19:58:32] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1638 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:33] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 1 ms to minimize.
[2024-05-27 19:58:33] [INFO ] Deduced a trap composed of 9 places in 25 ms of which 0 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1637 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3311ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3312ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3452 ms. Remains : 54/54 places, 82/82 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 80 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 63 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 24 steps (0 resets) in 4 ms. (4 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 107 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 69 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 137 ms :[(NOT p0), (NOT p0)]
[2024-05-27 19:58:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:35] [INFO ] Invariant cache hit.
[2024-05-27 19:58:35] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-05-27 19:58:35] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-05-27 19:58:35] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-27 19:58:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-27 19:58:35] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-05-27 19:58:35] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 2 ms returned sat
[2024-05-27 19:58:35] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-27 19:58:35] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:35] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2024-05-27 19:58:35] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 6 ms.
[2024-05-27 19:58:35] [INFO ] Added : 9 causal constraints over 2 iterations in 30 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 13690 reset in 125 ms.
Product exploration explored 100000 steps with 13764 reset in 132 ms.
Support contains 6 out of 54 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 54/54 places, 82/82 transitions.
Applied a total of 0 rules in 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-05-27 19:58:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:35] [INFO ] Invariant cache hit.
[2024-05-27 19:58:35] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-27 19:58:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:35] [INFO ] Invariant cache hit.
[2024-05-27 19:58:35] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-05-27 19:58:35] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 129 ms to find 0 implicit places.
[2024-05-27 19:58:35] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-05-27 19:58:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-05-27 19:58:35] [INFO ] Invariant cache hit.
[2024-05-27 19:58:35] [INFO ] State equation strengthened by 13 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 0 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 0 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 0 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 1 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 1 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 0 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 0 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 9/26 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 0 ms to minimize.
[2024-05-27 19:58:36] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (OVERLAPS) 0/122 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 96 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1691 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 12/12 constraints]
Escalating to Integer solving :Problem set: 0 solved, 79 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/54 variables, 10/17 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 79 unsolved
[2024-05-27 19:58:37] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-05-27 19:58:37] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 5 (OVERLAPS) 68/122 variables, 54/85 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 13/98 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 79/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 79 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 177 constraints, problems are : Problem set: 0 solved, 79 unsolved in 1675 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 54/54 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 79/79 constraints, Known Traps: 14/14 constraints]
After SMT, in 3395ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3397ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3535 ms. Remains : 54/54 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-01 finished in 12485 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(p0)||G(F((!p1 U (p2||G(!p1)))))))'
[2024-05-27 19:58:39] [INFO ] Flatten gal took : 15 ms
[2024-05-27 19:58:39] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 7 ms.
[2024-05-27 19:58:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 54 places, 82 transitions and 457 arcs took 5 ms.
Total runtime 69164 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SafeBus-COL-03

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/412/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 54
TRANSITIONS: 82
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.000s]


SAVING FILE /home/mcc/execution/412/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 2090
MODEL NAME: /home/mcc/execution/412/model
54 places, 82 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA SafeBus-COL-03-LTLFireability-01 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA SafeBus-COL-03-LTLFireability-10 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716839920676

--------------------
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//
++ perl -pe 's/.*\.//g'
++ 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="SafeBus-COL-03"
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 SafeBus-COL-03, 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 r333-tall-171679078300356"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-03.tgz
mv SafeBus-COL-03 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 ;