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.r524-tall-171679080100356.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is SafeBus-COL-03, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r524-tall-171679080100356
=====================================================================

--------------------
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 1717222226123

Invoking MCC driver with
BK_TOOL=ltsminxred
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 ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 06:10:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 06:10:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 06:10:27] [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.
[2024-06-01 06:10:27] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 06:10:27] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 532 ms
[2024-06-01 06:10:27] [INFO ] Detected 1 constant HL places corresponding to 3 PT places.
[2024-06-01 06:10:27] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 60 PT places and 214.0 transition bindings in 21 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
[2024-06-01 06:10:28] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 4 ms.
[2024-06-01 06:10:28] [INFO ] Skeletonized 14 HLPN properties in 2 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 267 steps (0 resets) in 27 ms. (9 steps per ms) remains 0/12 properties
[2024-06-01 06:10:28] [INFO ] Flatten gal took : 15 ms
[2024-06-01 06:10:28] [INFO ] Flatten gal took : 4 ms
Domain [It(3), It(3)] of place AMC breaks symmetries in sort It
[2024-06-01 06:10:28] [INFO ] Unfolded HLPN to a Petri net with 60 places and 97 transitions 556 arcs in 36 ms.
[2024-06-01 06:10:28] [INFO ] Unfolded 12 HLPN properties in 0 ms.
[2024-06-01 06:10:28] [INFO ] Reduced 3 identical enabling conditions.
[2024-06-01 06:10:28] [INFO ] Reduced 3 identical enabling conditions.
[2024-06-01 06:10:28] [INFO ] Reduced 3 identical enabling conditions.
[2024-06-01 06:10:28] [INFO ] Reduced 3 identical enabling conditions.
[2024-06-01 06:10:28] [INFO ] Reduced 3 identical enabling conditions.
[2024-06-01 06:10:28] [INFO ] Reduced 3 identical enabling conditions.
[2024-06-01 06:10:28] [INFO ] Reduced 3 identical enabling conditions.
[2024-06-01 06:10:28] [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 5 ms. Remains 54 /54 variables (removed 0) and now considering 91/91 (removed 0) transitions.
[2024-06-01 06:10:28] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
// Phase 1: matrix 68 rows 54 cols
[2024-06-01 06:10:28] [INFO ] Computed 17 invariants in 6 ms
[2024-06-01 06:10:28] [INFO ] Implicit Places using invariants in 136 ms returned []
[2024-06-01 06:10:28] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2024-06-01 06:10:28] [INFO ] Invariant cache hit.
[2024-06-01 06:10:28] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:28] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 242 ms to find 0 implicit places.
Running 88 sub problems to find dead transitions.
[2024-06-01 06:10:28] [INFO ] Flow matrix only has 68 transitions (discarded 23 similar events)
[2024-06-01 06:10:28] [INFO ] Invariant cache hit.
[2024-06-01 06:10:28] [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
[2024-06-01 06:10:28] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 8 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 2 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 1 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 1 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 1 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 0 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 1 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 0 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 1 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 17 places in 29 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
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 0 ms to minimize.
[2024-06-01 06:10:29] [INFO ] Deduced a trap composed of 15 places in 22 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 1994 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
[2024-06-01 06:10:30] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 0 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
[2024-06-01 06:10:31] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 1 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
[2024-06-01 06:10:32] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 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 3096 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 5171ms problems are : Problem set: 9 solved, 79 unsolved
Search for dead transitions found 9 dead transitions in 5183ms
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 1 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 5443 ms. Remains : 54/54 places, 82/91 transitions.
Support contains 53 out of 54 places after structural reductions.
[2024-06-01 06:10:33] [INFO ] Flatten gal took : 16 ms
[2024-06-01 06:10:33] [INFO ] Flatten gal took : 20 ms
[2024-06-01 06:10:33] [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 1198 ms. (33 steps per ms) remains 1/17 properties
BEST_FIRST walk for 40004 steps (8 resets) in 508 ms. (78 steps per ms) remains 1/1 properties
[2024-06-01 06:10:34] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:34] [INFO ] Invariant cache hit.
[2024-06-01 06:10:34] [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 33 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 37ms 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.
[2024-06-01 06:10:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:35] [INFO ] Invariant cache hit.
[2024-06-01 06:10:35] [INFO ] Implicit Places using invariants in 38 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 40 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 1 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 1 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.
[2024-06-01 06:10:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 45 cols
[2024-06-01 06:10:35] [INFO ] Computed 14 invariants in 3 ms
[2024-06-01 06:10:35] [INFO ] Implicit Places using invariants in 36 ms returned []
[2024-06-01 06:10:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:35] [INFO ] Invariant cache hit.
[2024-06-01 06:10:35] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:35] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 100 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 161 ms. Remains : 45/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 247 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 9487 reset in 385 ms.
Stack based approach found an accepted trace after 20519 steps with 1958 reset with depth 32 and stack size 32 in 60 ms.
FORMULA SafeBus-COL-03-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-00 finished in 925 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 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:10:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
// Phase 1: matrix 68 rows 54 cols
[2024-06-01 06:10:35] [INFO ] Computed 17 invariants in 5 ms
[2024-06-01 06:10:35] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-06-01 06:10:35] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:35] [INFO ] Invariant cache hit.
[2024-06-01 06:10:36] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:36] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-06-01 06:10:36] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:36] [INFO ] Invariant cache hit.
[2024-06-01 06:10:36] [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
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 0 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 3 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 0 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 7 places in 38 ms of which 0 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 16 places in 33 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
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 0 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 1 ms to minimize.
[2024-06-01 06:10:36] [INFO ] Deduced a trap composed of 11 places in 38 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 1747 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
[2024-06-01 06:10:37] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 1 ms to minimize.
[2024-06-01 06:10:38] [INFO ] Deduced a trap composed of 9 places in 27 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 1593 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 3370ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3372ms
Finished structural reductions in LTL mode , in 1 iterations and 3534 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SafeBus-COL-03-LTLFireability-01
Product exploration explored 100000 steps with 13736 reset in 140 ms.
Product exploration explored 100000 steps with 13730 reset in 182 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 71 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 53 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 23 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 95 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 65 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
[2024-06-01 06:10:40] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:40] [INFO ] Invariant cache hit.
[2024-06-01 06:10:40] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-06-01 06:10:40] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 2 ms returned sat
[2024-06-01 06:10:40] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-06-01 06:10:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 06:10:40] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-06-01 06:10:40] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-06-01 06:10:40] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 06:10:40] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:40] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2024-06-01 06:10:40] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 5 ms.
[2024-06-01 06:10:40] [INFO ] Added : 9 causal constraints over 2 iterations in 46 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.
[2024-06-01 06:10:40] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:40] [INFO ] Invariant cache hit.
[2024-06-01 06:10:40] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-06-01 06:10:40] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:40] [INFO ] Invariant cache hit.
[2024-06-01 06:10:40] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:40] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
[2024-06-01 06:10:40] [INFO ] Redundant transitions in 2 ms returned []
Running 79 sub problems to find dead transitions.
[2024-06-01 06:10:40] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:40] [INFO ] Invariant cache hit.
[2024-06-01 06:10:40] [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
[2024-06-01 06:10:40] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 0 ms to minimize.
[2024-06-01 06:10:40] [INFO ] Deduced a trap composed of 13 places in 60 ms of which 1 ms to minimize.
[2024-06-01 06:10:40] [INFO ] Deduced a trap composed of 15 places in 24 ms of which 1 ms to minimize.
[2024-06-01 06:10:41] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 0 ms to minimize.
[2024-06-01 06:10:41] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 0 ms to minimize.
[2024-06-01 06:10:41] [INFO ] Deduced a trap composed of 14 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:10:41] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 0 ms to minimize.
[2024-06-01 06:10:41] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-06-01 06:10:41] [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
[2024-06-01 06:10:41] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 0 ms to minimize.
[2024-06-01 06:10:41] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 0 ms to minimize.
[2024-06-01 06:10:41] [INFO ] Deduced a trap composed of 11 places in 35 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 1764 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
[2024-06-01 06:10:42] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:10:42] [INFO ] Deduced a trap composed of 9 places in 34 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 1636 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 3433ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3436ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3586 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 125 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 79 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 70 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
[2024-06-01 06:10:44] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:44] [INFO ] Invariant cache hit.
[2024-06-01 06:10:44] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-06-01 06:10:44] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 2 ms returned sat
[2024-06-01 06:10:44] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 06:10:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 06:10:44] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-06-01 06:10:44] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-06-01 06:10:44] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-06-01 06:10:44] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:44] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2024-06-01 06:10:44] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 5 ms.
[2024-06-01 06:10:44] [INFO ] Added : 9 causal constraints over 2 iterations in 33 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 13729 reset in 123 ms.
Product exploration explored 100000 steps with 13704 reset in 128 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.
[2024-06-01 06:10:44] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:44] [INFO ] Invariant cache hit.
[2024-06-01 06:10:45] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-06-01 06:10:45] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:45] [INFO ] Invariant cache hit.
[2024-06-01 06:10:45] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:45] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
[2024-06-01 06:10:45] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-06-01 06:10:45] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:45] [INFO ] Invariant cache hit.
[2024-06-01 06:10:45] [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
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 0 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 1 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 1 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 2 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 13 places in 21 ms of which 1 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 7 places in 37 ms of which 1 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 16 places in 36 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
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 1 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 0 ms to minimize.
[2024-06-01 06:10:45] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 7 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 1706 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
[2024-06-01 06:10:46] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:10:47] [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 1613 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 3359ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3361ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3508 ms. Remains : 54/54 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-01 finished in 12642 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 0 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:10:48] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:48] [INFO ] Invariant cache hit.
[2024-06-01 06:10:48] [INFO ] Implicit Places using invariants in 179 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 180 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 0 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 182 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 306 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 522 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 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:10:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:49] [INFO ] Invariant cache hit.
[2024-06-01 06:10:49] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-06-01 06:10:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:49] [INFO ] Invariant cache hit.
[2024-06-01 06:10:49] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:49] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 110 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-06-01 06:10:49] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:49] [INFO ] Invariant cache hit.
[2024-06-01 06:10:49] [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
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 1 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 1 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 0 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 16 places in 28 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
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 1 ms to minimize.
[2024-06-01 06:10:49] [INFO ] Deduced a trap composed of 11 places in 35 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 1682 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
[2024-06-01 06:10:51] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:10:51] [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 1703 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 LTL mode , in 1 iterations and 3533 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 230 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 125 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 3789 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.
[2024-06-01 06:10:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:52] [INFO ] Invariant cache hit.
[2024-06-01 06:10:52] [INFO ] Implicit Places using invariants in 36 ms returned []
[2024-06-01 06:10:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:52] [INFO ] Invariant cache hit.
[2024-06-01 06:10:52] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:52] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-06-01 06:10:52] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:52] [INFO ] Invariant cache hit.
[2024-06-01 06:10:52] [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
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 1 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 1 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 0 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 14 places in 21 ms of which 1 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 13 places in 19 ms of which 0 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 0 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 16 places in 33 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
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 0 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 1 ms to minimize.
[2024-06-01 06:10:53] [INFO ] Deduced a trap composed of 11 places in 33 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 1725 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
[2024-06-01 06:10:54] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
[2024-06-01 06:10:54] [INFO ] Deduced a trap composed of 9 places in 32 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 1633 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 3382ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3383ms
Finished structural reductions in LTL mode , in 1 iterations and 3478 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 229 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 736 reset in 303 ms.
Stack based approach found an accepted trace after 136 steps with 1 reset with depth 97 and stack size 97 in 1 ms.
FORMULA SafeBus-COL-03-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-04 finished in 4038 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 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:10:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:56] [INFO ] Invariant cache hit.
[2024-06-01 06:10:56] [INFO ] Implicit Places using invariants in 36 ms returned []
[2024-06-01 06:10:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:56] [INFO ] Invariant cache hit.
[2024-06-01 06:10:56] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:10:56] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 102 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-06-01 06:10:56] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:10:56] [INFO ] Invariant cache hit.
[2024-06-01 06:10:56] [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
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 1 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 1 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 0 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 1 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 0 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 0 ms to minimize.
[2024-06-01 06:10:57] [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
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 0 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 0 ms to minimize.
[2024-06-01 06:10:57] [INFO ] Deduced a trap composed of 11 places in 28 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 1600 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
[2024-06-01 06:10:58] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 0 ms to minimize.
[2024-06-01 06:10:58] [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 1641 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 3264ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3265ms
Finished structural reductions in LTL mode , in 1 iterations and 3369 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 149 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 10854 reset in 141 ms.
Stack based approach found an accepted trace after 29053 steps with 3121 reset with depth 17 and stack size 17 in 47 ms.
FORMULA SafeBus-COL-03-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-05 finished in 3724 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 1 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:11:00] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:00] [INFO ] Invariant cache hit.
[2024-06-01 06:11:00] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-06-01 06:11:00] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:00] [INFO ] Invariant cache hit.
[2024-06-01 06:11:00] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:00] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-06-01 06:11:00] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:00] [INFO ] Invariant cache hit.
[2024-06-01 06:11:00] [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
[2024-06-01 06:11:00] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:11:00] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 0 ms to minimize.
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 0 ms to minimize.
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 1 ms to minimize.
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 1 ms to minimize.
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 1 ms to minimize.
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:11:01] [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
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 0 ms to minimize.
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 0 ms to minimize.
[2024-06-01 06:11:01] [INFO ] Deduced a trap composed of 11 places in 27 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 1669 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
[2024-06-01 06:11:02] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 0 ms to minimize.
[2024-06-01 06:11:02] [INFO ] Deduced a trap composed of 9 places in 25 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 1612 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 3309ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3309ms
Finished structural reductions in LTL mode , in 1 iterations and 3436 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 126 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 3580 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.
[2024-06-01 06:11:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:04] [INFO ] Invariant cache hit.
[2024-06-01 06:11:04] [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 155 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 158 ms.
Stack based approach found an accepted trace after 88 steps with 0 reset with depth 89 and stack size 89 in 1 ms.
FORMULA SafeBus-COL-03-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property SafeBus-COL-03-LTLFireability-08 finished in 369 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 0 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:11:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:04] [INFO ] Invariant cache hit.
[2024-06-01 06:11:04] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-06-01 06:11:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:04] [INFO ] Invariant cache hit.
[2024-06-01 06:11:04] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:04] [INFO ] Implicit Places using invariants and state equation in 56 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.
[2024-06-01 06:11:04] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:04] [INFO ] Invariant cache hit.
[2024-06-01 06:11:04] [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
[2024-06-01 06:11:04] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 1 ms to minimize.
[2024-06-01 06:11:04] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-06-01 06:11:04] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 0 ms to minimize.
[2024-06-01 06:11:05] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-06-01 06:11:05] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 0 ms to minimize.
[2024-06-01 06:11:05] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 1 ms to minimize.
[2024-06-01 06:11:05] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 0 ms to minimize.
[2024-06-01 06:11:05] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
[2024-06-01 06:11:05] [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
[2024-06-01 06:11:05] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 0 ms to minimize.
[2024-06-01 06:11:05] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 1 ms to minimize.
[2024-06-01 06:11:05] [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 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: 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
[2024-06-01 06:11:06] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 0 ms to minimize.
[2024-06-01 06:11:06] [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 1618 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 3303ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3304ms
Finished structural reductions in LTL mode , in 1 iterations and 3393 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 222 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 3 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 3636 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 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:11:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:08] [INFO ] Invariant cache hit.
[2024-06-01 06:11:08] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-01 06:11:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:08] [INFO ] Invariant cache hit.
[2024-06-01 06:11:08] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:08] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
[2024-06-01 06:11:08] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-06-01 06:11:08] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:08] [INFO ] Invariant cache hit.
[2024-06-01 06:11:08] [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
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 1 ms to minimize.
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 1 ms to minimize.
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 0 ms to minimize.
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 1 ms to minimize.
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 0 ms to minimize.
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 0 ms to minimize.
[2024-06-01 06:11:08] [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
[2024-06-01 06:11:08] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 0 ms to minimize.
[2024-06-01 06:11:09] [INFO ] Deduced a trap composed of 11 places in 29 ms of which 0 ms to minimize.
[2024-06-01 06:11:09] [INFO ] Deduced a trap composed of 11 places in 27 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 1663 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
[2024-06-01 06:11:10] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 0 ms to minimize.
[2024-06-01 06:11:10] [INFO ] Deduced a trap composed of 9 places in 28 ms of which 2 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 1575 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 3259ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3260ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3384 ms. Remains : 54/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 120 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 3674 reset in 169 ms.
Product exploration explored 100000 steps with 3721 reset in 177 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 243 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 103 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
RANDOM walk for 37 steps (0 resets) in 5 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 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 465 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 116 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 106 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 5 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:11:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:13] [INFO ] Invariant cache hit.
[2024-06-01 06:11:13] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-06-01 06:11:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:13] [INFO ] Invariant cache hit.
[2024-06-01 06:11:13] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:13] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 113 ms to find 0 implicit places.
[2024-06-01 06:11:13] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-06-01 06:11:13] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:13] [INFO ] Invariant cache hit.
[2024-06-01 06:11:13] [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
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 0 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 1 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 11 places in 30 ms of which 0 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 0 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 2 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 16 places in 28 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
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 0 ms to minimize.
[2024-06-01 06:11:13] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 0 ms to minimize.
[2024-06-01 06:11:14] [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 1684 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
[2024-06-01 06:11:15] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:11:15] [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 1655 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 3365ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3366ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3490 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 227 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 109 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
RANDOM walk for 20 steps (0 resets) in 6 ms. (2 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 105 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Stuttering acceptance computed with spot in 97 ms :[(AND (NOT p0) (NOT p2) p1), (AND (NOT p2) p1), (AND (NOT p2) p1)]
Product exploration explored 100000 steps with 3676 reset in 169 ms.
Product exploration explored 100000 steps with 3580 reset in 181 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 3 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:11:18] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:18] [INFO ] Invariant cache hit.
[2024-06-01 06:11:18] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-06-01 06:11:18] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:18] [INFO ] Invariant cache hit.
[2024-06-01 06:11:18] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:18] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
[2024-06-01 06:11:18] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-06-01 06:11:18] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:18] [INFO ] Invariant cache hit.
[2024-06-01 06:11:18] [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
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 0 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 1 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 0 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 14 places in 25 ms of which 0 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 13 places in 20 ms of which 0 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 7 places in 30 ms of which 1 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 16 places in 23 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
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 0 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:11:18] [INFO ] Deduced a trap composed of 11 places in 27 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 1647 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
[2024-06-01 06:11:20] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:11:20] [INFO ] Deduced a trap composed of 9 places in 25 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 1629 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 3314ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3315ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3444 ms. Remains : 54/54 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-10 finished in 13369 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.
[2024-06-01 06:11:21] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:21] [INFO ] Invariant cache hit.
[2024-06-01 06:11:21] [INFO ] Implicit Places using invariants in 41 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 42 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 44 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 108 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 163 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.
[2024-06-01 06:11:21] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:21] [INFO ] Invariant cache hit.
[2024-06-01 06:11:21] [INFO ] Implicit Places using invariants in 45 ms returned [28, 29, 30]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 46 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 0 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 48 ms. Remains : 51/54 places, 82/82 transitions.
Stuttering acceptance computed with spot in 263 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 3 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 328 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 74 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 4 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:11:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:22] [INFO ] Invariant cache hit.
[2024-06-01 06:11:22] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-06-01 06:11:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:22] [INFO ] Invariant cache hit.
[2024-06-01 06:11:22] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:22] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Running 79 sub problems to find dead transitions.
[2024-06-01 06:11:22] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:22] [INFO ] Invariant cache hit.
[2024-06-01 06:11:22] [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
[2024-06-01 06:11:22] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 1 ms to minimize.
[2024-06-01 06:11:22] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 0 ms to minimize.
[2024-06-01 06:11:22] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 1 ms to minimize.
[2024-06-01 06:11:22] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 1 ms to minimize.
[2024-06-01 06:11:22] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 0 ms to minimize.
[2024-06-01 06:11:22] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 1 ms to minimize.
[2024-06-01 06:11:22] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 1 ms to minimize.
[2024-06-01 06:11:22] [INFO ] Deduced a trap composed of 7 places in 28 ms of which 0 ms to minimize.
[2024-06-01 06:11:22] [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
[2024-06-01 06:11:23] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 1 ms to minimize.
[2024-06-01 06:11:23] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:11:23] [INFO ] Deduced a trap composed of 11 places in 24 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 1624 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
[2024-06-01 06:11:24] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:11:24] [INFO ] Deduced a trap composed of 9 places in 33 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 1568 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 3224ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3225ms
Finished structural reductions in LI_LTL mode , in 1 iterations and 3370 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 13754 reset in 116 ms.
Product exploration explored 100000 steps with 13741 reset in 158 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 69 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 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 200 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 56 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
[2024-06-01 06:11:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:26] [INFO ] Invariant cache hit.
[2024-06-01 06:11:26] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-06-01 06:11:26] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-06-01 06:11:26] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-06-01 06:11:26] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 06:11:26] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-06-01 06:11:26] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 2 ms returned sat
[2024-06-01 06:11:26] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2024-06-01 06:11:26] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:26] [INFO ] [Nat]Added 13 Read/Feed constraints in 3 ms returned sat
[2024-06-01 06:11:26] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 5 ms.
[2024-06-01 06:11:26] [INFO ] Added : 9 causal constraints over 2 iterations in 30 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.
[2024-06-01 06:11:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:26] [INFO ] Invariant cache hit.
[2024-06-01 06:11:26] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-06-01 06:11:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:26] [INFO ] Invariant cache hit.
[2024-06-01 06:11:26] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:26] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
[2024-06-01 06:11:26] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-06-01 06:11:26] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:26] [INFO ] Invariant cache hit.
[2024-06-01 06:11:26] [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
[2024-06-01 06:11:26] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 0 ms to minimize.
[2024-06-01 06:11:26] [INFO ] Deduced a trap composed of 13 places in 25 ms of which 0 ms to minimize.
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 0 ms to minimize.
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 0 ms to minimize.
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 11 places in 26 ms of which 1 ms to minimize.
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 14 places in 23 ms of which 1 ms to minimize.
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 0 ms to minimize.
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
[2024-06-01 06:11:27] [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
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 1 ms to minimize.
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 11 places in 28 ms of which 1 ms to minimize.
[2024-06-01 06:11:27] [INFO ] Deduced a trap composed of 11 places in 30 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 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
[2024-06-01 06:11:28] [INFO ] Deduced a trap composed of 7 places in 33 ms of which 0 ms to minimize.
[2024-06-01 06:11:28] [INFO ] Deduced a trap composed of 9 places in 26 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 1606 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 3281ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3282ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3405 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 63 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)]
RANDOM walk for 25 steps (0 resets) in 4 ms. (5 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 66 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
[2024-06-01 06:11:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:30] [INFO ] Invariant cache hit.
[2024-06-01 06:11:30] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2024-06-01 06:11:30] [INFO ] [Real]Absence check using 7 positive and 10 generalized place invariants in 2 ms returned sat
[2024-06-01 06:11:30] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 06:11:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 06:11:30] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2024-06-01 06:11:30] [INFO ] [Nat]Absence check using 7 positive and 10 generalized place invariants in 3 ms returned sat
[2024-06-01 06:11:30] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2024-06-01 06:11:30] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:30] [INFO ] [Nat]Added 13 Read/Feed constraints in 2 ms returned sat
[2024-06-01 06:11:30] [INFO ] Computed and/alt/rep : 52/309/52 causal constraints (skipped 13 transitions) in 4 ms.
[2024-06-01 06:11:30] [INFO ] Added : 9 causal constraints over 2 iterations in 25 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 13733 reset in 121 ms.
Product exploration explored 100000 steps with 13744 reset in 125 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 2 ms. Remains 54 /54 variables (removed 0) and now considering 82/82 (removed 0) transitions.
[2024-06-01 06:11:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:30] [INFO ] Invariant cache hit.
[2024-06-01 06:11:30] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-01 06:11:30] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:30] [INFO ] Invariant cache hit.
[2024-06-01 06:11:30] [INFO ] State equation strengthened by 13 read => feed constraints.
[2024-06-01 06:11:31] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 138 ms to find 0 implicit places.
[2024-06-01 06:11:31] [INFO ] Redundant transitions in 1 ms returned []
Running 79 sub problems to find dead transitions.
[2024-06-01 06:11:31] [INFO ] Flow matrix only has 68 transitions (discarded 14 similar events)
[2024-06-01 06:11:31] [INFO ] Invariant cache hit.
[2024-06-01 06:11:31] [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
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 0 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 0 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 1 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 1 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 1 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 13 places in 25 ms of which 1 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2024-06-01 06:11:31] [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
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 0 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 1 ms to minimize.
[2024-06-01 06:11:31] [INFO ] Deduced a trap composed of 11 places in 33 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
[2024-06-01 06:11:32] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 1 ms to minimize.
[2024-06-01 06:11:32] [INFO ] Deduced a trap composed of 9 places in 31 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 1577 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 3295ms problems are : Problem set: 0 solved, 79 unsolved
Search for dead transitions found 0 dead transitions in 3296ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 3441 ms. Remains : 54/54 places, 82/82 transitions.
Treatment of property SafeBus-COL-03-LTLFireability-01 finished in 12272 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)))))))'
[2024-06-01 06:11:34] [INFO ] Flatten gal took : 17 ms
[2024-06-01 06:11:34] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-06-01 06:11:34] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 54 places, 82 transitions and 457 arcs took 4 ms.
Total runtime 67220 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA SafeBus-COL-03-LTLFireability-01 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA SafeBus-COL-03-LTLFireability-10 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717222294814

--------------------
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
mcc2024
ltl formula name SafeBus-COL-03-LTLFireability-01
ltl formula formula --ltl=/tmp/2060/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 54 places, 82 transitions and 457 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2060/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2060/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2060/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2060/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 56 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 55, there are 91 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Accepting cycle FOUND at depth ~23!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 185
pnml2lts-mc( 0/ 4): unique states count: 254
pnml2lts-mc( 0/ 4): unique transitions count: 993
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 361
pnml2lts-mc( 0/ 4): - claim found count: 1
pnml2lts-mc( 0/ 4): - claim success count: 258
pnml2lts-mc( 0/ 4): - cum. max stack depth: 78
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 258 states 1018 transitions, fanout: 3.946
pnml2lts-mc( 0/ 4): Total exploration time 0.010 sec (0.000 sec minimum, 0.005 sec on average)
pnml2lts-mc( 0/ 4): States per second: 25800, Transitions per second: 101800
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 23.2 B/state, compr.: 10.5%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 82 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)
ltl formula name SafeBus-COL-03-LTLFireability-10
ltl formula formula --ltl=/tmp/2060/ltl_1_
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 54 places, 82 transitions and 457 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.020 real 0.000 user 0.000 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/2060/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/2060/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/2060/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/2060/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): There are 55 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 55, there are 121 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 3/ 4): ~600 levels ~10000 states ~27544 transitions
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 2378
pnml2lts-mc( 0/ 4): unique states count: 8724
pnml2lts-mc( 0/ 4): unique transitions count: 25677
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 5064
pnml2lts-mc( 0/ 4): - claim found count: 12644
pnml2lts-mc( 0/ 4): - claim success count: 8892
pnml2lts-mc( 0/ 4): - cum. max stack depth: 1833
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 9475 states 28430 transitions, fanout: 3.001
pnml2lts-mc( 0/ 4): Total exploration time 0.080 sec (0.060 sec minimum, 0.075 sec on average)
pnml2lts-mc( 0/ 4): States per second: 118438, Transitions per second: 355375
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.1MB, 12.4 B/state, compr.: 5.6%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 82 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.1MB (~256.0MB paged-in)

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="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is 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 r524-tall-171679080100356"
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 ;