Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r047-tajo-171620397300004.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is BridgeAndVehicles-COL-V04P05N02, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tajo-171620397300004
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 9.2K Apr 13 01:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Apr 13 01:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Apr 13 01:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Apr 13 01:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Apr 22 14:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 22 14:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 13 01:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Apr 13 01:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Apr 13 01:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Apr 13 01:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 37K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-00
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-01
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-02
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-03
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-04
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-05
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-06
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-07
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-08
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-09
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-10
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-11
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-12
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-13
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-14
FORMULA_NAME BridgeAndVehicles-COL-V04P05N02-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716275384049

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V04P05N02
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-21 07:09:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-21 07:09:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 07:09:45] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-21 07:09:45] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-21 07:09:46] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 676 ms
[2024-05-21 07:09:46] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 28 PT places and 346.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
[2024-05-21 07:09:46] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2024-05-21 07:09:46] [INFO ] Skeletonized 12 HLPN properties in 4 ms. Removed 4 properties that had guard overlaps.
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.10 ms
Remains 6 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Reduction of identical properties reduced properties to check from 6 to 5
RANDOM walk for 116 steps (0 resets) in 9 ms. (11 steps per ms) remains 0/5 properties
[2024-05-21 07:09:46] [INFO ] Flatten gal took : 38 ms
[2024-05-21 07:09:46] [INFO ] Flatten gal took : 2 ms
Arc [1:1*[(MOD (ADD $cA 1) 5)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 5) 5) 5)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 3)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2024-05-21 07:09:46] [INFO ] Unfolded HLPN to a Petri net with 28 places and 52 transitions 326 arcs in 32 ms.
[2024-05-21 07:09:46] [INFO ] Unfolded 16 HLPN properties in 0 ms.
Initial state reduction rules removed 2 formulas.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 28 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 52
Applied a total of 2 rules in 19 ms. Remains 26 /28 variables (removed 2) and now considering 52/52 (removed 0) transitions.
Running 49 sub problems to find dead transitions.
[2024-05-21 07:09:46] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
// Phase 1: matrix 34 rows 26 cols
[2024-05-21 07:09:46] [INFO ] Computed 5 invariants in 3 ms
[2024-05-21 07:09:46] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 49 unsolved
[2024-05-21 07:09:47] [INFO ] Deduced a trap composed of 5 places in 83 ms of which 27 ms to minimize.
[2024-05-21 07:09:47] [INFO ] Deduced a trap composed of 7 places in 74 ms of which 1 ms to minimize.
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
[2024-05-21 07:09:47] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 1 ms to minimize.
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 3/8 constraints. Problems are: Problem set: 8 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 8 solved, 41 unsolved
Problem TDEAD4 is UNSAT
Problem TDEAD17 is UNSAT
At refinement iteration 3 (OVERLAPS) 34/60 variables, 26/34 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 6/40 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/40 constraints. Problems are: Problem set: 10 solved, 39 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/60 variables, 0/40 constraints. Problems are: Problem set: 10 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 40 constraints, problems are : Problem set: 10 solved, 39 unsolved in 1130 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 26/26 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 49/49 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 10 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 5/5 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 3/8 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 34/60 variables, 26/34 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 6/40 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 39/79 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/79 constraints. Problems are: Problem set: 10 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/60 variables, 0/79 constraints. Problems are: Problem set: 10 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 79 constraints, problems are : Problem set: 10 solved, 39 unsolved in 736 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 26/26 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 39/49 constraints, Known Traps: 3/3 constraints]
After SMT, in 1975ms problems are : Problem set: 10 solved, 39 unsolved
Search for dead transitions found 10 dead transitions in 1990ms
Found 10 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 10 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 10 transitions.
[2024-05-21 07:09:48] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 26 cols
[2024-05-21 07:09:48] [INFO ] Computed 7 invariants in 7 ms
[2024-05-21 07:09:48] [INFO ] Implicit Places using invariants in 31 ms returned []
[2024-05-21 07:09:48] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:09:48] [INFO ] Invariant cache hit.
[2024-05-21 07:09:48] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:09:48] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 26/28 places, 42/52 transitions.
Applied a total of 0 rules in 0 ms. Remains 26 /26 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2184 ms. Remains : 26/28 places, 42/52 transitions.
Support contains 26 out of 26 places after structural reductions.
[2024-05-21 07:09:49] [INFO ] Flatten gal took : 7 ms
[2024-05-21 07:09:49] [INFO ] Flatten gal took : 9 ms
[2024-05-21 07:09:49] [INFO ] Input system was already deterministic with 42 transitions.
Reduction of identical properties reduced properties to check from 15 to 12
RANDOM walk for 172 steps (3 resets) in 34 ms. (4 steps per ms) remains 0/12 properties
Computed a total of 17 stabilizing places and 18 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(X((p0&&X(G(p1))))))'
Support contains 7 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 26 /26 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2024-05-21 07:09:49] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:09:49] [INFO ] Invariant cache hit.
[2024-05-21 07:09:49] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:09:49] [INFO ] Deduced a trap composed of 5 places in 22 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 38 constraints, problems are : Problem set: 0 solved, 39 unsolved in 1201 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 39/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 77 constraints, problems are : Problem set: 0 solved, 39 unsolved in 444 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
After SMT, in 1666ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 1668ms
[2024-05-21 07:09:51] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:09:51] [INFO ] Invariant cache hit.
[2024-05-21 07:09:51] [INFO ] Implicit Places using invariants in 46 ms returned [7, 15]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1719 ms. Remains : 24/26 places, 42/42 transitions.
Stuttering acceptance computed with spot in 264 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-00 finished in 2072 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 15 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:09:51] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2024-05-21 07:09:51] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 07:09:51] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:51] [INFO ] Deduced a trap composed of 5 places in 19 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 686 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:52] [INFO ] Deduced a trap composed of 7 places in 40 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 686 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 1410ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 1410ms
[2024-05-21 07:09:53] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:09:53] [INFO ] Invariant cache hit.
[2024-05-21 07:09:53] [INFO ] Implicit Places using invariants in 31 ms returned [7, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1471 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-01
Product exploration explored 100000 steps with 4800 reset in 334 ms.
Product exploration explored 100000 steps with 4845 reset in 208 ms.
Computed a total of 14 stabilizing places and 17 stable transitions
Computed a total of 14 stabilizing places and 17 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 167 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 62 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 32 steps (0 resets) in 4 ms. (6 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 82 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 57 ms :[(NOT p0), (NOT p0)]
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 41/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:09:54] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 23 cols
[2024-05-21 07:09:54] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:09:54] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:54] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 405 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/52 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 71 constraints, problems are : Problem set: 0 solved, 38 unsolved in 432 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
After SMT, in 853ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 854ms
[2024-05-21 07:09:54] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:09:54] [INFO ] Invariant cache hit.
[2024-05-21 07:09:55] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-21 07:09:55] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:09:55] [INFO ] Invariant cache hit.
[2024-05-21 07:09:55] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:09:55] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
[2024-05-21 07:09:55] [INFO ] Redundant transitions in 0 ms returned []
Running 38 sub problems to find dead transitions.
[2024-05-21 07:09:55] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:09:55] [INFO ] Invariant cache hit.
[2024-05-21 07:09:55] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:55] [INFO ] Deduced a trap composed of 5 places in 21 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 362 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:55] [INFO ] Deduced a trap composed of 7 places in 16 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 550 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 932ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 933ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1909 ms. Remains : 23/23 places, 41/41 transitions.
Computed a total of 14 stabilizing places and 17 stable transitions
Computed a total of 14 stabilizing places and 17 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 58 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 54 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 50 steps (0 resets) in 5 ms. (8 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT 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 58 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 50 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 56 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 4759 reset in 96 ms.
Product exploration explored 100000 steps with 4780 reset in 121 ms.
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 41/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:09:56] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:09:56] [INFO ] Invariant cache hit.
[2024-05-21 07:09:56] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:56] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 320 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:57] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 550 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 900ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 901ms
[2024-05-21 07:09:57] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:09:57] [INFO ] Invariant cache hit.
[2024-05-21 07:09:57] [INFO ] Implicit Places using invariants in 36 ms returned []
[2024-05-21 07:09:57] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:09:57] [INFO ] Invariant cache hit.
[2024-05-21 07:09:57] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:09:57] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
[2024-05-21 07:09:57] [INFO ] Redundant transitions in 0 ms returned []
Running 38 sub problems to find dead transitions.
[2024-05-21 07:09:57] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:09:57] [INFO ] Invariant cache hit.
[2024-05-21 07:09:57] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:57] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 353 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:09:58] [INFO ] Deduced a trap composed of 7 places in 24 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 539 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 914ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 915ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1916 ms. Remains : 23/23 places, 41/41 transitions.
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-01 finished in 6993 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Applied a total of 0 rules in 3 ms. Remains 26 /26 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2024-05-21 07:09:58] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 26 cols
[2024-05-21 07:09:58] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 07:09:58] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:09:58] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 38 constraints, problems are : Problem set: 0 solved, 39 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 39/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 77 constraints, problems are : Problem set: 0 solved, 39 unsolved in 439 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
After SMT, in 770ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 770ms
[2024-05-21 07:09:59] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:09:59] [INFO ] Invariant cache hit.
[2024-05-21 07:09:59] [INFO ] Implicit Places using invariants in 30 ms returned [7, 15]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/26 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 807 ms. Remains : 24/26 places, 42/42 transitions.
Stuttering acceptance computed with spot in 45 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-02
Product exploration explored 100000 steps with 2348 reset in 294 ms.
Product exploration explored 100000 steps with 2346 reset in 118 ms.
Computed a total of 15 stabilizing places and 18 stable transitions
Computed a total of 15 stabilizing places and 18 stable transitions
Detected a total of 15/24 stabilizing places and 18/42 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND (NOT p0) p1), (X (AND (NOT p0) p1)), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 14 factoid took 157 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (915 resets) in 441 ms. (90 steps per ms) remains 1/6 properties
BEST_FIRST walk for 40002 steps (431 resets) in 177 ms. (224 steps per ms) remains 1/1 properties
[2024-05-21 07:10:00] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 24 cols
[2024-05-21 07:10:00] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:10:00] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf2 is UNSAT
After SMT solving in domain Real declared 9/54 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 2/5 constraints, State Equation: 0/24 constraints, ReadFeed: 0/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 42ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p0) p1), (X (AND (NOT p0) p1)), (X (NOT (AND p0 p1))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X p1), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p0) (G (NOT p0)))), (G (OR (NOT p0) p1))]
False Knowledge obtained : [(F p0), (F (NOT (OR p0 p1))), (F (NOT p1)), (F (NOT (AND (NOT p0) p1))), (F (NOT (OR (NOT p0) (NOT p1))))]
Knowledge based reduction with 15 factoid took 361 ms. Reduced automaton from 1 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p1)]
Support contains 3 out of 24 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 42/42 transitions.
Applied a total of 0 rules in 4 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2024-05-21 07:10:00] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:10:00] [INFO ] Invariant cache hit.
[2024-05-21 07:10:00] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:10:00] [INFO ] Deduced a trap composed of 5 places in 25 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 34 constraints, problems are : Problem set: 0 solved, 39 unsolved in 516 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 39/73 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:10:01] [INFO ] Deduced a trap composed of 7 places in 19 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 74 constraints, problems are : Problem set: 0 solved, 39 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 2/2 constraints]
After SMT, in 1073ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 1074ms
[2024-05-21 07:10:01] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:10:01] [INFO ] Invariant cache hit.
[2024-05-21 07:10:01] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-21 07:10:01] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:10:01] [INFO ] Invariant cache hit.
[2024-05-21 07:10:01] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:01] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2024-05-21 07:10:01] [INFO ] Redundant transitions in 0 ms returned []
Running 39 sub problems to find dead transitions.
[2024-05-21 07:10:01] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:10:01] [INFO ] Invariant cache hit.
[2024-05-21 07:10:01] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:10:01] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (OVERLAPS) 0/54 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 34 constraints, problems are : Problem set: 0 solved, 39 unsolved in 369 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (OVERLAPS) 30/54 variables, 24/30 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 39/73 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:10:02] [INFO ] Deduced a trap composed of 7 places in 17 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/54 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 74 constraints, problems are : Problem set: 0 solved, 39 unsolved in 483 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 2/2 constraints]
After SMT, in 867ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 868ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2018 ms. Remains : 24/24 places, 42/42 transitions.
Computed a total of 15 stabilizing places and 18 stable transitions
Computed a total of 15 stabilizing places and 18 stable transitions
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 59 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p1)]
RANDOM walk for 60 steps (0 resets) in 4 ms. (12 steps per ms) remains 0/1 properties
Knowledge obtained : [p1, (X p1), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 3 factoid took 79 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 30 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 31 ms :[(NOT p1)]
Product exploration explored 100000 steps with 2348 reset in 112 ms.
Product exploration explored 100000 steps with 2347 reset in 110 ms.
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 23 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 23 transition count 41
Applied a total of 2 rules in 3 ms. Remains 23 /24 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:03] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 23 cols
[2024-05-21 07:10:03] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:10:03] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:03] [INFO ] Deduced a trap composed of 5 places in 18 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 416 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/52 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 71 constraints, problems are : Problem set: 0 solved, 38 unsolved in 457 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
After SMT, in 890ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 890ms
[2024-05-21 07:10:04] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:04] [INFO ] Invariant cache hit.
[2024-05-21 07:10:04] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-21 07:10:04] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:04] [INFO ] Invariant cache hit.
[2024-05-21 07:10:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:04] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2024-05-21 07:10:04] [INFO ] Redundant transitions in 0 ms returned []
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:04] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:04] [INFO ] Invariant cache hit.
[2024-05-21 07:10:04] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:04] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 364 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:04] [INFO ] Deduced a trap composed of 7 places in 19 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 600 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 977ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 978ms
Starting structural reductions in SI_LTL mode, iteration 1 : 23/24 places, 41/42 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1950 ms. Remains : 23/24 places, 41/42 transitions.
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-02 finished in 6649 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 U F(p1)) U G((F(X(p0)) U p2))))'
Support contains 15 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 3 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:05] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2024-05-21 07:10:05] [INFO ] Computed 7 invariants in 0 ms
[2024-05-21 07:10:05] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:05] [INFO ] Deduced a trap composed of 5 places in 58 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 485 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:05] [INFO ] Deduced a trap composed of 7 places in 17 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 539 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 1040ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 1041ms
[2024-05-21 07:10:06] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:06] [INFO ] Invariant cache hit.
[2024-05-21 07:10:06] [INFO ] Implicit Places using invariants in 26 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1072 ms. Remains : 24/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 153 ms :[(NOT p2), (AND (NOT p1) (NOT p0) p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-03
Product exploration explored 100000 steps with 6624 reset in 226 ms.
Product exploration explored 100000 steps with 6548 reset in 243 ms.
Computed a total of 15 stabilizing places and 17 stable transitions
Computed a total of 15 stabilizing places and 17 stable transitions
Detected a total of 15/24 stabilizing places and 17/41 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 227 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter insensitive) to 5 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 182 ms :[(NOT p2), (AND (NOT p1) (NOT p0) p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 70 steps (0 resets) in 6 ms. (10 steps per ms) remains 0/8 properties
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (NOT p2)), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 (NOT p1) (NOT p0)))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 (NOT p1) (NOT p0))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p2 p0 p1))), (F (NOT (OR p2 p1))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p2) p0))), (F p2), (F (NOT (OR (NOT p2) p0 p1))), (F (NOT (AND (NOT p2) (NOT p0)))), (F (NOT p1)), (F p0)]
Knowledge based reduction with 17 factoid took 615 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter insensitive) to 5 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 191 ms :[(NOT p2), (AND (NOT p1) (NOT p0) p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 195 ms :[(NOT p2), (AND (NOT p1) (NOT p0) p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
[2024-05-21 07:10:08] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 24 cols
[2024-05-21 07:10:08] [INFO ] Computed 6 invariants in 2 ms
[2024-05-21 07:10:08] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 07:10:08] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-21 07:10:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:10:08] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 07:10:08] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-21 07:10:08] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:08] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-21 07:10:08] [INFO ] Computed and/alt/rep : 22/95/22 causal constraints (skipped 4 transitions) in 3 ms.
[2024-05-21 07:10:08] [INFO ] Added : 16 causal constraints over 4 iterations in 49 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 15 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 41/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:08] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:08] [INFO ] Invariant cache hit.
[2024-05-21 07:10:08] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:08] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/53 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/53 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 35 constraints, problems are : Problem set: 0 solved, 38 unsolved in 609 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/53 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 38/73 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:09] [INFO ] Deduced a trap composed of 7 places in 24 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/53 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 53/53 variables, and 74 constraints, problems are : Problem set: 0 solved, 38 unsolved in 537 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 1165ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 1166ms
[2024-05-21 07:10:09] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:09] [INFO ] Invariant cache hit.
[2024-05-21 07:10:09] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-21 07:10:09] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:09] [INFO ] Invariant cache hit.
[2024-05-21 07:10:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:09] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2024-05-21 07:10:09] [INFO ] Redundant transitions in 1 ms returned []
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:09] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:09] [INFO ] Invariant cache hit.
[2024-05-21 07:10:09] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:09] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/53 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/53 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 35 constraints, problems are : Problem set: 0 solved, 38 unsolved in 325 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/53 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 38/73 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:10] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/53 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 53/53 variables, and 74 constraints, problems are : Problem set: 0 solved, 38 unsolved in 465 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 819ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 819ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2056 ms. Remains : 24/24 places, 41/41 transitions.
Computed a total of 15 stabilizing places and 17 stable transitions
Computed a total of 15 stabilizing places and 17 stable transitions
Detected a total of 15/24 stabilizing places and 17/41 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (NOT p2)), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 157 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter insensitive) to 5 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 236 ms :[(NOT p2), (AND (NOT p1) (NOT p0) p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
Reduction of identical properties reduced properties to check from 9 to 8
RANDOM walk for 69 steps (0 resets) in 8 ms. (7 steps per ms) remains 0/8 properties
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (NOT p2)), (X (NOT (AND p2 (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 (NOT p0)))), (X (NOT p0)), (X p1), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND p2 (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (X (X (NOT (AND p2 (NOT p0))))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT p0))), (X (X p1)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : [(F (NOT (OR p2 p0 p1))), (F (NOT (OR p2 p1))), (F (NOT (OR p0 p1))), (F (NOT (OR (NOT p2) p0))), (F p2), (F (NOT (OR (NOT p2) p0 p1))), (F (NOT (AND (NOT p2) (NOT p0)))), (F (NOT p1)), (F p0)]
Knowledge based reduction with 17 factoid took 570 ms. Reduced automaton from 5 states, 11 edges and 3 AP (stutter insensitive) to 5 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 173 ms :[(NOT p2), (AND (NOT p1) (NOT p0) p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 169 ms :[(NOT p2), (AND (NOT p1) (NOT p0) p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
[2024-05-21 07:10:11] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:11] [INFO ] Invariant cache hit.
[2024-05-21 07:10:12] [INFO ] [Real]Absence check using 6 positive place invariants in 1 ms returned sat
[2024-05-21 07:10:12] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-21 07:10:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:10:12] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2024-05-21 07:10:12] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-21 07:10:12] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:12] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-21 07:10:12] [INFO ] Computed and/alt/rep : 22/95/22 causal constraints (skipped 4 transitions) in 2 ms.
[2024-05-21 07:10:12] [INFO ] Added : 18 causal constraints over 5 iterations in 27 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 238 ms :[(NOT p2), (AND (NOT p1) (NOT p0) p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 6599 reset in 252 ms.
Product exploration explored 100000 steps with 6572 reset in 264 ms.
Support contains 15 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 41/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:12] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:12] [INFO ] Invariant cache hit.
[2024-05-21 07:10:12] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:13] [INFO ] Deduced a trap composed of 5 places in 45 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/53 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/53 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 35 constraints, problems are : Problem set: 0 solved, 38 unsolved in 541 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/53 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 38/73 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:13] [INFO ] Deduced a trap composed of 7 places in 19 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/53 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 53/53 variables, and 74 constraints, problems are : Problem set: 0 solved, 38 unsolved in 555 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 1130ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 1131ms
[2024-05-21 07:10:14] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:14] [INFO ] Invariant cache hit.
[2024-05-21 07:10:14] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-21 07:10:14] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:14] [INFO ] Invariant cache hit.
[2024-05-21 07:10:14] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:14] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
[2024-05-21 07:10:14] [INFO ] Redundant transitions in 0 ms returned []
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:14] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:14] [INFO ] Invariant cache hit.
[2024-05-21 07:10:14] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:14] [INFO ] Deduced a trap composed of 5 places in 25 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/53 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/53 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 53/53 variables, and 35 constraints, problems are : Problem set: 0 solved, 38 unsolved in 473 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/53 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/53 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/53 variables, 38/73 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:14] [INFO ] Deduced a trap composed of 7 places in 31 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/53 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/53 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/53 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 53/53 variables, and 74 constraints, problems are : Problem set: 0 solved, 38 unsolved in 619 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 24/24 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 1109ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 1110ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 2324 ms. Remains : 24/24 places, 41/41 transitions.
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-03 finished in 10011 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 10 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 26 /26 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2024-05-21 07:10:15] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 26 cols
[2024-05-21 07:10:15] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 07:10:15] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:10:15] [INFO ] Deduced a trap composed of 5 places in 20 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 38 constraints, problems are : Problem set: 0 solved, 39 unsolved in 379 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 39/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 77 constraints, problems are : Problem set: 0 solved, 39 unsolved in 413 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
After SMT, in 815ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 816ms
[2024-05-21 07:10:16] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:10:16] [INFO ] Invariant cache hit.
[2024-05-21 07:10:16] [INFO ] Implicit Places using invariants in 34 ms returned [7, 15]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 35 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 42/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 853 ms. Remains : 24/26 places, 42/42 transitions.
Stuttering acceptance computed with spot in 72 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-04 finished in 948 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(F(p0))))'
Support contains 6 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:16] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2024-05-21 07:10:16] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 07:10:16] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:16] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 360 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:16] [INFO ] Deduced a trap composed of 7 places in 16 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 518 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 899ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 900ms
[2024-05-21 07:10:17] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:17] [INFO ] Invariant cache hit.
[2024-05-21 07:10:17] [INFO ] Implicit Places using invariants in 38 ms returned [7, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 39 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 942 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 94 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 122 ms.
Product exploration explored 100000 steps with 33333 reset in 128 ms.
Computed a total of 14 stabilizing places and 17 stable transitions
Computed a total of 14 stabilizing places and 17 stable transitions
Detected a total of 14/23 stabilizing places and 17/41 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 32 ms. Reduced automaton from 3 states, 3 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-05 finished in 1330 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(((p0 U G(!p1)) U X((F(p3)||p2)))))'
Support contains 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:17] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:17] [INFO ] Invariant cache hit.
[2024-05-21 07:10:17] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:17] [INFO ] Deduced a trap composed of 5 places in 18 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 332 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:18] [INFO ] Deduced a trap composed of 7 places in 20 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 557 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 902ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 903ms
[2024-05-21 07:10:18] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:18] [INFO ] Invariant cache hit.
[2024-05-21 07:10:18] [INFO ] Implicit Places using invariants in 31 ms returned [7, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 937 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 335 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p3) (NOT p2)), (AND (NOT p2) (NOT p3)), (AND (NOT p3) p1 (NOT p2)), (AND p1 (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p3) p1), (AND p1 (NOT p3))]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-08
Product exploration explored 100000 steps with 33333 reset in 288 ms.
Product exploration explored 100000 steps with 33333 reset in 288 ms.
Computed a total of 14 stabilizing places and 17 stable transitions
Computed a total of 14 stabilizing places and 17 stable transitions
Detected a total of 14/23 stabilizing places and 17/41 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND (NOT p1) p0 (NOT p2) p3), (X (OR (NOT p1) p0)), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0)))), (X p0), (X (NOT p1)), (X (X p3)), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (AND p1 (NOT p0) (NOT p2) (NOT p3))))), (X (X (NOT (OR (AND (NOT p1) (NOT p2) (NOT p3)) (AND p0 (NOT p2) (NOT p3)))))), (X (X (NOT (AND p0 (NOT p2) (NOT p3))))), (X (X (NOT (AND p1 (NOT p2) (NOT p3))))), (X (X (NOT (AND (NOT p2) (NOT p3))))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p3))))), (F (OR (G p3) (G (NOT p3))))]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 16 factoid took 38 ms. Reduced automaton from 9 states, 22 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-08 finished in 1928 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((X((X(p1) U (p1&&X(p1))))||p0))))'
Support contains 7 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 2 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:19] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:19] [INFO ] Invariant cache hit.
[2024-05-21 07:10:19] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:19] [INFO ] Deduced a trap composed of 5 places in 32 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 431 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:20] [INFO ] Deduced a trap composed of 7 places in 22 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 696 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 1150ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 1151ms
[2024-05-21 07:10:20] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:20] [INFO ] Invariant cache hit.
[2024-05-21 07:10:20] [INFO ] Implicit Places using invariants in 37 ms returned [7]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 38 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1192 ms. Remains : 24/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-09
Stuttering criterion allowed to conclude after 41 steps with 0 reset in 1 ms.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-09 finished in 1360 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0)) U !p0))'
Support contains 4 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 5 place count 23 transition count 40
Applied a total of 5 rules in 8 ms. Remains 23 /26 variables (removed 3) and now considering 40/42 (removed 2) transitions.
[2024-05-21 07:10:20] [INFO ] Flow matrix only has 28 transitions (discarded 12 similar events)
// Phase 1: matrix 28 rows 23 cols
[2024-05-21 07:10:20] [INFO ] Computed 6 invariants in 0 ms
[2024-05-21 07:10:20] [INFO ] Implicit Places using invariants in 34 ms returned [6, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 36 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 21/26 places, 40/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 40/40 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 46 ms. Remains : 21/26 places, 40/42 transitions.
Stuttering acceptance computed with spot in 62 ms :[p0, (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-10
Stuttering criterion allowed to conclude after 33 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-10 finished in 121 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(p1)&&p0)))'
Support contains 6 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:20] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2024-05-21 07:10:20] [INFO ] Computed 7 invariants in 2 ms
[2024-05-21 07:10:20] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:21] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 382 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:21] [INFO ] Deduced a trap composed of 7 places in 16 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 565 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 963ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 963ms
[2024-05-21 07:10:21] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:21] [INFO ] Invariant cache hit.
[2024-05-21 07:10:21] [INFO ] Implicit Places using invariants in 28 ms returned [7, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 29 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 0 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 993 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 55 ms :[(OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-11
Stuttering criterion allowed to conclude after 41 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-11 finished in 1061 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 3 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 3 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:21] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:21] [INFO ] Invariant cache hit.
[2024-05-21 07:10:21] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:22] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 345 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:22] [INFO ] Deduced a trap composed of 7 places in 23 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 534 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 899ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 899ms
[2024-05-21 07:10:22] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:22] [INFO ] Invariant cache hit.
[2024-05-21 07:10:22] [INFO ] Implicit Places using invariants in 31 ms returned [7, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 4 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 950 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 67 ms :[p0, p0]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-12
Product exploration explored 100000 steps with 7442 reset in 127 ms.
Product exploration explored 100000 steps with 7412 reset in 125 ms.
Computed a total of 14 stabilizing places and 17 stable transitions
Computed a total of 14 stabilizing places and 17 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 118 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 49 ms :[p0, p0]
RANDOM walk for 36 steps (0 resets) in 4 ms. (7 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 74 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 51 ms :[p0, p0]
Stuttering acceptance computed with spot in 50 ms :[p0, p0]
[2024-05-21 07:10:23] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 23 cols
[2024-05-21 07:10:23] [INFO ] Computed 5 invariants in 1 ms
[2024-05-21 07:10:23] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:10:23] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-21 07:10:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:10:23] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:10:23] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-05-21 07:10:23] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:23] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-21 07:10:23] [INFO ] Computed and/alt/rep : 22/79/22 causal constraints (skipped 4 transitions) in 2 ms.
[2024-05-21 07:10:23] [INFO ] Added : 20 causal constraints over 5 iterations in 21 ms. Result :sat
Could not prove EG p0
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 41/41 transitions.
Applied a total of 0 rules in 2 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:23] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:23] [INFO ] Invariant cache hit.
[2024-05-21 07:10:23] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:23] [INFO ] Deduced a trap composed of 5 places in 20 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 427 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:24] [INFO ] Deduced a trap composed of 7 places in 22 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 547 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 991ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 992ms
[2024-05-21 07:10:24] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:24] [INFO ] Invariant cache hit.
[2024-05-21 07:10:24] [INFO ] Implicit Places using invariants in 33 ms returned []
[2024-05-21 07:10:24] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:24] [INFO ] Invariant cache hit.
[2024-05-21 07:10:24] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:24] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
[2024-05-21 07:10:24] [INFO ] Redundant transitions in 0 ms returned []
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:24] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:24] [INFO ] Invariant cache hit.
[2024-05-21 07:10:24] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:24] [INFO ] Deduced a trap composed of 5 places in 17 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 287 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:25] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 448 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 762ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 763ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1862 ms. Remains : 23/23 places, 41/41 transitions.
Computed a total of 14 stabilizing places and 17 stable transitions
Computed a total of 14 stabilizing places and 17 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 70 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 40 ms :[p0, p0]
RANDOM walk for 55 steps (0 resets) in 4 ms. (11 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 85 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 62 ms :[p0, p0]
Stuttering acceptance computed with spot in 51 ms :[p0, p0]
[2024-05-21 07:10:25] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:25] [INFO ] Invariant cache hit.
[2024-05-21 07:10:25] [INFO ] [Real]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:10:25] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-21 07:10:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-21 07:10:25] [INFO ] [Nat]Absence check using 5 positive place invariants in 1 ms returned sat
[2024-05-21 07:10:25] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-21 07:10:25] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:25] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-21 07:10:25] [INFO ] Computed and/alt/rep : 22/79/22 causal constraints (skipped 4 transitions) in 2 ms.
[2024-05-21 07:10:26] [INFO ] Added : 17 causal constraints over 4 iterations in 15 ms. Result :sat
Could not prove EG p0
Stuttering acceptance computed with spot in 57 ms :[p0, p0]
Product exploration explored 100000 steps with 7396 reset in 99 ms.
Product exploration explored 100000 steps with 7432 reset in 96 ms.
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 41/41 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:26] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:26] [INFO ] Invariant cache hit.
[2024-05-21 07:10:26] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:26] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 0 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 349 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:26] [INFO ] Deduced a trap composed of 7 places in 27 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 548 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 926ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 927ms
[2024-05-21 07:10:27] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:27] [INFO ] Invariant cache hit.
[2024-05-21 07:10:27] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-21 07:10:27] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:27] [INFO ] Invariant cache hit.
[2024-05-21 07:10:27] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:27] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2024-05-21 07:10:27] [INFO ] Redundant transitions in 1 ms returned []
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:27] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:27] [INFO ] Invariant cache hit.
[2024-05-21 07:10:27] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:27] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (OVERLAPS) 0/52 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 33 constraints, problems are : Problem set: 0 solved, 38 unsolved in 370 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/23 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (OVERLAPS) 29/52 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/52 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/52 variables, 38/71 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:27] [INFO ] Deduced a trap composed of 7 places in 18 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/52 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 72 constraints, problems are : Problem set: 0 solved, 38 unsolved in 539 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 23/23 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 937ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 937ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1962 ms. Remains : 23/23 places, 41/41 transitions.
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-12 finished in 6277 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 14 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Applied a total of 0 rules in 0 ms. Remains 26 /26 variables (removed 0) and now considering 42/42 (removed 0) transitions.
Running 39 sub problems to find dead transitions.
[2024-05-21 07:10:28] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 26 cols
[2024-05-21 07:10:28] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 07:10:28] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:10:28] [INFO ] Deduced a trap composed of 5 places in 21 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 38 constraints, problems are : Problem set: 0 solved, 39 unsolved in 322 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 39/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 77 constraints, problems are : Problem set: 0 solved, 39 unsolved in 407 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
After SMT, in 765ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 766ms
[2024-05-21 07:10:29] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:10:29] [INFO ] Invariant cache hit.
[2024-05-21 07:10:29] [INFO ] Implicit Places using invariants in 29 ms returned []
[2024-05-21 07:10:29] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:10:29] [INFO ] Invariant cache hit.
[2024-05-21 07:10:29] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-21 07:10:29] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Running 39 sub problems to find dead transitions.
[2024-05-21 07:10:29] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
[2024-05-21 07:10:29] [INFO ] Invariant cache hit.
[2024-05-21 07:10:29] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
[2024-05-21 07:10:29] [INFO ] Deduced a trap composed of 5 places in 16 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (OVERLAPS) 0/56 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 38 constraints, problems are : Problem set: 0 solved, 39 unsolved in 309 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 39 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/26 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 4 (OVERLAPS) 30/56 variables, 26/34 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 4/38 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 39/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
At refinement iteration 8 (OVERLAPS) 0/56 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 39 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 77 constraints, problems are : Problem set: 0 solved, 39 unsolved in 356 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 26/26 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 39/39 constraints, Known Traps: 1/1 constraints]
After SMT, in 683ms problems are : Problem set: 0 solved, 39 unsolved
Search for dead transitions found 0 dead transitions in 684ms
Finished structural reductions in LTL mode , in 1 iterations and 1523 ms. Remains : 26/26 places, 42/42 transitions.
Stuttering acceptance computed with spot in 165 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (NOT p2)]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-13 finished in 1708 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 6 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 1 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:29] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
// Phase 1: matrix 29 rows 25 cols
[2024-05-21 07:10:29] [INFO ] Computed 7 invariants in 1 ms
[2024-05-21 07:10:29] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:30] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 0 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 356 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:30] [INFO ] Deduced a trap composed of 7 places in 18 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 551 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 942ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 943ms
[2024-05-21 07:10:30] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:30] [INFO ] Invariant cache hit.
[2024-05-21 07:10:30] [INFO ] Implicit Places using invariants in 32 ms returned [7, 14]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 33 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 23/26 places, 41/42 transitions.
Applied a total of 0 rules in 1 ms. Remains 23 /23 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 979 ms. Remains : 23/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-14
Entered a terminal (fully accepting) state of product in 14 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-14 finished in 1095 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 7 out of 26 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 26/26 places, 42/42 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 25 transition count 41
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 25 transition count 41
Applied a total of 2 rules in 3 ms. Remains 25 /26 variables (removed 1) and now considering 41/42 (removed 1) transitions.
Running 38 sub problems to find dead transitions.
[2024-05-21 07:10:31] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:31] [INFO ] Invariant cache hit.
[2024-05-21 07:10:31] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:31] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 7 (OVERLAPS) 0/54 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Real declared 54/54 variables, and 37 constraints, problems are : Problem set: 0 solved, 38 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/25 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 4 (OVERLAPS) 29/54 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/54 variables, 38/75 constraints. Problems are: Problem set: 0 solved, 38 unsolved
[2024-05-21 07:10:31] [INFO ] Deduced a trap composed of 7 places in 22 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/54 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 9 (OVERLAPS) 0/54 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 38 unsolved
No progress, stopping.
After SMT solving in domain Int declared 54/54 variables, and 76 constraints, problems are : Problem set: 0 solved, 38 unsolved in 530 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 2/2 constraints]
After SMT, in 868ms problems are : Problem set: 0 solved, 38 unsolved
Search for dead transitions found 0 dead transitions in 869ms
[2024-05-21 07:10:31] [INFO ] Flow matrix only has 29 transitions (discarded 12 similar events)
[2024-05-21 07:10:31] [INFO ] Invariant cache hit.
[2024-05-21 07:10:31] [INFO ] Implicit Places using invariants in 38 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 39 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/26 places, 41/42 transitions.
Applied a total of 0 rules in 2 ms. Remains 24 /24 variables (removed 0) and now considering 41/41 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 914 ms. Remains : 24/26 places, 41/42 transitions.
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Running random walk in product with property : BridgeAndVehicles-COL-V04P05N02-LTLFireability-15
Stuttering criterion allowed to conclude after 44 steps with 0 reset in 0 ms.
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BridgeAndVehicles-COL-V04P05N02-LTLFireability-15 finished in 956 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
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 U F(p1)) U G((F(X(p0)) U p2))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
[2024-05-21 07:10:32] [INFO ] Flatten gal took : 12 ms
[2024-05-21 07:10:32] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/LTLFireability.sr.xml took 3 ms.
[2024-05-21 07:10:32] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 26 places, 42 transitions and 252 arcs took 6 ms.
Total runtime 47121 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running BridgeAndVehicles-COL-V04P05N02

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/410/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 26
TRANSITIONS: 42
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.000s]


SAVING FILE /home/mcc/execution/410/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


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

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

Process ID: 1798
MODEL NAME: /home/mcc/execution/410/model
26 places, 42 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Building monolithic NSF...
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-01 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-12 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-02 TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA BridgeAndVehicles-COL-V04P05N02-LTLFireability-03 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716275434376

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="BridgeAndVehicles-COL-V04P05N02"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is BridgeAndVehicles-COL-V04P05N02, 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 r047-tajo-171620397300004"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V04P05N02.tgz
mv BridgeAndVehicles-COL-V04P05N02 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 ;