Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r101-tall-167814475600612.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is DLCflexbar-PT-8b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r101-tall-167814475600612
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 20M
-rw-r--r-- 1 mcc users 7.6K Feb 25 14:57 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 25 14:57 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 25 14:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 14:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Feb 25 15:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K Feb 25 15:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Feb 25 14:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Feb 25 14:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 20M Mar 5 18:22 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 DLCflexbar-PT-8b-LTLFireability-00
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-01
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-02
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-03
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-04
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-05
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-06
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-07
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-08
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-09
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-10
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-11
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-12
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-13
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-14
FORMULA_NAME DLCflexbar-PT-8b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678297849319

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-8b
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202303021504
[2023-03-08 17:50:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-08 17:50:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 17:50:52] [INFO ] Load time of PNML (sax parser for PT used): 1054 ms
[2023-03-08 17:50:53] [INFO ] Transformed 47560 places.
[2023-03-08 17:50:53] [INFO ] Transformed 76160 transitions.
[2023-03-08 17:50:53] [INFO ] Found NUPN structural information;
[2023-03-08 17:50:56] [INFO ] Parsed PT model containing 47560 places and 76160 transitions and 216499 arcs in 5886 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA DLCflexbar-PT-8b-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-8b-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 54 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 8623 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
// Phase 1: matrix 76160 rows 47560 cols
[2023-03-08 17:51:17] [INFO ] Computed 3040 place invariants in 637 ms
[2023-03-08 17:51:23] [INFO ] Implicit Places using invariants in 6363 ms returned []
Implicit Place search using SMT only with invariants took 6392 ms to find 0 implicit places.
[2023-03-08 17:51:23] [INFO ] Invariant cache hit.
[2023-03-08 17:51:28] [INFO ] Dead Transitions using invariants and state equation in 5458 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20504 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Support contains 54 out of 47560 places after structural reductions.
[2023-03-08 17:51:37] [INFO ] Flatten gal took : 1831 ms
[2023-03-08 17:51:38] [INFO ] Flatten gal took : 1532 ms
[2023-03-08 17:51:42] [INFO ] Input system was already deterministic with 76160 transitions.
Support contains 53 out of 47560 places (down from 54) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 577 ms. (steps per millisecond=17 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 32) seen :0
Interrupted probabilistic random walk after 84374 steps, run timeout after 3002 ms. (steps per millisecond=28 ) properties seen :{}
Probabilistic random walk after 84374 steps, saw 83614 distinct states, run finished after 3005 ms. (steps per millisecond=28 ) properties seen :0
Running SMT prover for 32 properties.
[2023-03-08 17:51:58] [INFO ] Invariant cache hit.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.assertInvariants(DeadlockTester.java:2340)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:618)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-08 17:52:23] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-08 17:52:23] [INFO ] After 25231ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 32 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 53 out of 47560 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42472 edges and 47560 vertex of which 2778 / 47560 are part of one of the 178 SCC in 91 ms
Free SCC test removed 2600 places
Drop transitions removed 2937 transitions
Reduce isomorphic transitions removed 2937 transitions.
Drop transitions removed 20689 transitions
Trivial Post-agglo rules discarded 20689 transitions
Performed 20689 trivial Post agglomeration. Transition count delta: 20689
Iterating post reduction 0 with 20689 rules applied. Total rules applied 20690 place count 44960 transition count 52534
Reduce places removed 20689 places and 0 transitions.
Ensure Unique test removed 447 transitions
Reduce isomorphic transitions removed 447 transitions.
Drop transitions removed 437 transitions
Trivial Post-agglo rules discarded 437 transitions
Performed 437 trivial Post agglomeration. Transition count delta: 437
Iterating post reduction 1 with 21573 rules applied. Total rules applied 42263 place count 24271 transition count 51650
Reduce places removed 437 places and 0 transitions.
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 transitions.
Drop transitions removed 137 transitions
Trivial Post-agglo rules discarded 137 transitions
Performed 137 trivial Post agglomeration. Transition count delta: 137
Iterating post reduction 2 with 714 rules applied. Total rules applied 42977 place count 23834 transition count 51373
Reduce places removed 137 places and 0 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 3 with 148 rules applied. Total rules applied 43125 place count 23697 transition count 51362
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 13 rules applied. Total rules applied 43138 place count 23686 transition count 51360
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 43139 place count 23685 transition count 51360
Performed 152 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 152 Pre rules applied. Total rules applied 43139 place count 23685 transition count 51208
Deduced a syphon composed of 152 places in 3856 ms
Reduce places removed 152 places and 0 transitions.
Iterating global reduction 6 with 304 rules applied. Total rules applied 43443 place count 23533 transition count 51208
Performed 13120 Post agglomeration using F-continuation condition.Transition count delta: 13120
Deduced a syphon composed of 13120 places in 17 ms
Reduce places removed 13120 places and 0 transitions.
Iterating global reduction 6 with 26240 rules applied. Total rules applied 69683 place count 10413 transition count 38088
Renaming transitions due to excessive name length > 1024 char.
Discarding 339 places :
Symmetric choice reduction at 6 with 339 rule applications. Total rules 70022 place count 10074 transition count 26977
Iterating global reduction 6 with 339 rules applied. Total rules applied 70361 place count 10074 transition count 26977
Ensure Unique test removed 310 transitions
Reduce isomorphic transitions removed 310 transitions.
Iterating post reduction 6 with 310 rules applied. Total rules applied 70671 place count 10074 transition count 26667
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -916
Deduced a syphon composed of 101 places in 7 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 7 with 202 rules applied. Total rules applied 70873 place count 9973 transition count 27583
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 7 with 49 rules applied. Total rules applied 70922 place count 9973 transition count 27534
Discarding 49 places :
Symmetric choice reduction at 8 with 49 rule applications. Total rules 70971 place count 9924 transition count 26554
Iterating global reduction 8 with 49 rules applied. Total rules applied 71020 place count 9924 transition count 26554
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 8 with 49 rules applied. Total rules applied 71069 place count 9924 transition count 26505
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -860
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 71271 place count 9823 transition count 27365
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 9 with 26 rules applied. Total rules applied 71297 place count 9823 transition count 27339
Discarding 26 places :
Symmetric choice reduction at 10 with 26 rule applications. Total rules 71323 place count 9797 transition count 26819
Iterating global reduction 10 with 26 rules applied. Total rules applied 71349 place count 9797 transition count 26819
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 10 with 26 rules applied. Total rules applied 71375 place count 9797 transition count 26793
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -883
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 11 with 202 rules applied. Total rules applied 71577 place count 9696 transition count 27676
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 11 with 36 rules applied. Total rules applied 71613 place count 9696 transition count 27640
Discarding 36 places :
Symmetric choice reduction at 12 with 36 rule applications. Total rules 71649 place count 9660 transition count 26920
Iterating global reduction 12 with 36 rules applied. Total rules applied 71685 place count 9660 transition count 26920
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 12 with 36 rules applied. Total rules applied 71721 place count 9660 transition count 26884
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -869
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 13 with 202 rules applied. Total rules applied 71923 place count 9559 transition count 27753
Drop transitions removed 18 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 13 with 45 rules applied. Total rules applied 71968 place count 9559 transition count 27708
Discarding 27 places :
Symmetric choice reduction at 14 with 27 rule applications. Total rules 71995 place count 9532 transition count 27168
Iterating global reduction 14 with 27 rules applied. Total rules applied 72022 place count 9532 transition count 27168
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 14 with 26 rules applied. Total rules applied 72048 place count 9532 transition count 27142
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: -242
Deduced a syphon composed of 30 places in 5 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 15 with 60 rules applied. Total rules applied 72108 place count 9502 transition count 27384
Drop transitions removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 72114 place count 9502 transition count 27378
Free-agglomeration rule applied 6180 times with reduction of 4220 identical transitions.
Iterating global reduction 16 with 6180 rules applied. Total rules applied 78294 place count 9502 transition count 16978
Reduce places removed 6180 places and 0 transitions.
Drop transitions removed 7292 transitions
Ensure Unique test removed 31 transitions
Reduce isomorphic transitions removed 7323 transitions.
Graph (complete) has 12035 edges and 3322 vertex of which 1862 are kept as prefixes of interest. Removing 1460 places using SCC suffix rule.8 ms
Discarding 1460 places :
Also discarding 1608 output transitions
Drop transitions removed 1608 transitions
Iterating post reduction 16 with 13504 rules applied. Total rules applied 91798 place count 1862 transition count 8047
Drop transitions removed 1268 transitions
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 1300 transitions.
Iterating post reduction 17 with 1300 rules applied. Total rules applied 93098 place count 1862 transition count 6747
Discarding 1405 places :
Symmetric choice reduction at 18 with 1405 rule applications. Total rules 94503 place count 457 transition count 1524
Iterating global reduction 18 with 1405 rules applied. Total rules applied 95908 place count 457 transition count 1524
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 95909 place count 457 transition count 1523
Drop transitions removed 56 transitions
Redundant transition composition rules discarded 56 transitions
Iterating global reduction 19 with 56 rules applied. Total rules applied 95965 place count 457 transition count 1467
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 95966 place count 456 transition count 1467
Discarding 18 places :
Symmetric choice reduction at 20 with 18 rule applications. Total rules 95984 place count 438 transition count 1419
Iterating global reduction 20 with 18 rules applied. Total rules applied 96002 place count 438 transition count 1419
Discarding 9 places :
Symmetric choice reduction at 20 with 9 rule applications. Total rules 96011 place count 429 transition count 1215
Iterating global reduction 20 with 9 rules applied. Total rules applied 96020 place count 429 transition count 1215
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 20 with 9 rules applied. Total rules applied 96029 place count 429 transition count 1206
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 21 with 16 rules applied. Total rules applied 96045 place count 421 transition count 1198
Discarding 1 places :
Symmetric choice reduction at 21 with 1 rule applications. Total rules 96046 place count 420 transition count 1176
Iterating global reduction 21 with 1 rules applied. Total rules applied 96047 place count 420 transition count 1176
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 21 with 1 rules applied. Total rules applied 96048 place count 420 transition count 1175
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 22 with 2 rules applied. Total rules applied 96050 place count 420 transition count 1173
Free-agglomeration rule applied 10 times.
Iterating global reduction 22 with 10 rules applied. Total rules applied 96060 place count 420 transition count 1163
Reduce places removed 10 places and 0 transitions.
Drop transitions removed 163 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 166 transitions.
Graph (complete) has 1305 edges and 410 vertex of which 393 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 16 output transitions
Drop transitions removed 16 transitions
Iterating post reduction 22 with 177 rules applied. Total rules applied 96237 place count 393 transition count 981
Drop transitions removed 22 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 23 with 26 rules applied. Total rules applied 96263 place count 393 transition count 955
Discarding 35 places :
Symmetric choice reduction at 24 with 35 rule applications. Total rules 96298 place count 358 transition count 888
Iterating global reduction 24 with 35 rules applied. Total rules applied 96333 place count 358 transition count 888
Drop transitions removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 24 with 15 rules applied. Total rules applied 96348 place count 358 transition count 873
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 24 with 1 rules applied. Total rules applied 96349 place count 357 transition count 873
Discarding 1 places :
Symmetric choice reduction at 25 with 1 rule applications. Total rules 96350 place count 356 transition count 872
Iterating global reduction 25 with 1 rules applied. Total rules applied 96351 place count 356 transition count 872
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 25 with 2 rules applied. Total rules applied 96353 place count 355 transition count 879
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 25 with 9 rules applied. Total rules applied 96362 place count 355 transition count 870
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 26 with 1 rules applied. Total rules applied 96363 place count 354 transition count 869
Reduce places removed 106 places and 0 transitions.
Ensure Unique test removed 258 transitions
Reduce isomorphic transitions removed 258 transitions.
Graph (trivial) has 59 edges and 248 vertex of which 46 / 248 are part of one of the 22 SCC in 0 ms
Free SCC test removed 24 places
Iterating post reduction 26 with 365 rules applied. Total rules applied 96728 place count 224 transition count 611
Reduce places removed 7 places and 0 transitions.
Drop transitions removed 199 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 223 transitions.
Graph (complete) has 489 edges and 217 vertex of which 199 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.0 ms
Discarding 18 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 27 with 234 rules applied. Total rules applied 96962 place count 199 transition count 383
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 28 with 9 rules applied. Total rules applied 96971 place count 196 transition count 377
Discarding 33 places :
Symmetric choice reduction at 29 with 33 rule applications. Total rules 97004 place count 163 transition count 314
Iterating global reduction 29 with 33 rules applied. Total rules applied 97037 place count 163 transition count 314
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 29 with 8 rules applied. Total rules applied 97045 place count 159 transition count 310
Drop transitions removed 7 transitions
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 29 with 18 rules applied. Total rules applied 97063 place count 159 transition count 292
Discarding 3 places :
Symmetric choice reduction at 30 with 3 rule applications. Total rules 97066 place count 156 transition count 283
Iterating global reduction 30 with 3 rules applied. Total rules applied 97069 place count 156 transition count 283
Drop transitions removed 117 transitions
Redundant transition composition rules discarded 117 transitions
Iterating global reduction 30 with 117 rules applied. Total rules applied 97186 place count 156 transition count 166
Reduce places removed 40 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 30 with 41 rules applied. Total rules applied 97227 place count 116 transition count 165
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 31 with 1 rules applied. Total rules applied 97228 place count 115 transition count 165
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 32 with 5 Pre rules applied. Total rules applied 97228 place count 115 transition count 160
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 32 with 10 rules applied. Total rules applied 97238 place count 110 transition count 160
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 1 places and 0 transitions.
Iterating global reduction 32 with 2 rules applied. Total rules applied 97240 place count 109 transition count 159
Free-agglomeration rule applied 1 times.
Iterating global reduction 32 with 1 rules applied. Total rules applied 97241 place count 109 transition count 158
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 1 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 32 with 3 rules applied. Total rules applied 97244 place count 108 transition count 156
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 33 with 2 rules applied. Total rules applied 97246 place count 108 transition count 156
Applied a total of 97246 rules in 36480 ms. Remains 108 /47560 variables (removed 47452) and now considering 156/76160 (removed 76004) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36481 ms. Remains : 108/47560 places, 156/76160 transitions.
Finished random walk after 1983 steps, including 0 resets, run visited all 32 properties in 44 ms. (steps per millisecond=45 )
Computed a total of 13150 stabilizing places and 13150 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((F((G(F(p2))&&p1))&&p0))))'
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 7860 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
[2023-03-08 17:53:24] [INFO ] Invariant cache hit.
[2023-03-08 17:53:30] [INFO ] Implicit Places using invariants in 5337 ms returned []
Implicit Place search using SMT only with invariants took 5344 ms to find 0 implicit places.
[2023-03-08 17:53:30] [INFO ] Invariant cache hit.
[2023-03-08 17:53:35] [INFO ] Dead Transitions using invariants and state equation in 5218 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18431 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Stuttering acceptance computed with spot in 354 ms :[(OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p2) (NOT p0) (NOT p1)), (NOT p2), (NOT p2), (OR (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : DLCflexbar-PT-8b-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p2), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}, { cond=(NOT p0), acceptance={} source=1 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p2), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=4 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={0} source=4 dest: 5}], [{ cond=(NOT p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p2:(AND (EQ s14908 1) (EQ s25356 1)), p0:(AND (EQ s6807 1) (EQ s31146 1)), p1:(AND (EQ s6807 1) (EQ s31146 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 4454 ms.
Product exploration explored 100000 steps with 0 reset in 5339 ms.
Computed a total of 13150 stabilizing places and 13150 stable transitions
Computed a total of 13150 stabilizing places and 13150 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p2))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 386 ms. Reduced automaton from 6 states, 11 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[(OR (NOT p2) (NOT p0) (NOT p1)), (NOT p2), (NOT p2), (OR (NOT p0) (NOT p1)), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 410 ms. (steps per millisecond=24 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 105174 steps, run timeout after 3003 ms. (steps per millisecond=35 ) properties seen :{}
Probabilistic random walk after 105174 steps, saw 104212 distinct states, run finished after 3003 ms. (steps per millisecond=35 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-08 17:54:40] [INFO ] Invariant cache hit.
[2023-03-08 17:55:05] [INFO ] [Real]Absence check using 3040 positive place invariants in 9385 ms returned unknown
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-08 17:55:06] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-08 17:55:06] [INFO ] After 25141ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42547 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 29 ms
Free SCC test removed 2620 places
Drop transitions removed 2960 transitions
Reduce isomorphic transitions removed 2960 transitions.
Drop transitions removed 20710 transitions
Trivial Post-agglo rules discarded 20710 transitions
Performed 20710 trivial Post agglomeration. Transition count delta: 20710
Iterating post reduction 0 with 20710 rules applied. Total rules applied 20711 place count 44940 transition count 52490
Reduce places removed 20710 places and 0 transitions.
Ensure Unique test removed 450 transitions
Reduce isomorphic transitions removed 450 transitions.
Drop transitions removed 440 transitions
Trivial Post-agglo rules discarded 440 transitions
Performed 440 trivial Post agglomeration. Transition count delta: 440
Iterating post reduction 1 with 21600 rules applied. Total rules applied 42311 place count 24230 transition count 51600
Reduce places removed 440 places and 0 transitions.
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 transitions.
Drop transitions removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 2 with 720 rules applied. Total rules applied 43031 place count 23790 transition count 51320
Reduce places removed 140 places and 0 transitions.
Iterating post reduction 3 with 140 rules applied. Total rules applied 43171 place count 23650 transition count 51320
Performed 140 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 140 Pre rules applied. Total rules applied 43171 place count 23650 transition count 51180
Deduced a syphon composed of 140 places in 4061 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 4 with 280 rules applied. Total rules applied 43451 place count 23510 transition count 51180
Performed 13138 Post agglomeration using F-continuation condition.Transition count delta: 13138
Deduced a syphon composed of 13138 places in 11 ms
Reduce places removed 13138 places and 0 transitions.
Iterating global reduction 4 with 26276 rules applied. Total rules applied 69727 place count 10372 transition count 38042
Renaming transitions due to excessive name length > 1024 char.
Discarding 348 places :
Symmetric choice reduction at 4 with 348 rule applications. Total rules 70075 place count 10024 transition count 24971
Iterating global reduction 4 with 348 rules applied. Total rules applied 70423 place count 10024 transition count 24971
Ensure Unique test removed 318 transitions
Reduce isomorphic transitions removed 318 transitions.
Iterating post reduction 4 with 318 rules applied. Total rules applied 70741 place count 10024 transition count 24653
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -909
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 5 with 202 rules applied. Total rules applied 70943 place count 9923 transition count 25562
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 5 with 50 rules applied. Total rules applied 70993 place count 9923 transition count 25512
Discarding 50 places :
Symmetric choice reduction at 6 with 50 rule applications. Total rules 71043 place count 9873 transition count 24512
Iterating global reduction 6 with 50 rules applied. Total rules applied 71093 place count 9873 transition count 24512
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 6 with 50 rules applied. Total rules applied 71143 place count 9873 transition count 24462
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -859
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 7 with 202 rules applied. Total rules applied 71345 place count 9772 transition count 25321
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 26 rules applied. Total rules applied 71371 place count 9772 transition count 25295
Discarding 26 places :
Symmetric choice reduction at 8 with 26 rule applications. Total rules 71397 place count 9746 transition count 24775
Iterating global reduction 8 with 26 rules applied. Total rules applied 71423 place count 9746 transition count 24775
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 8 with 26 rules applied. Total rules applied 71449 place count 9746 transition count 24749
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -883
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 71651 place count 9645 transition count 25632
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 9 with 37 rules applied. Total rules applied 71688 place count 9645 transition count 25595
Discarding 37 places :
Symmetric choice reduction at 10 with 37 rule applications. Total rules 71725 place count 9608 transition count 24855
Iterating global reduction 10 with 37 rules applied. Total rules applied 71762 place count 9608 transition count 24855
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 10 with 37 rules applied. Total rules applied 71799 place count 9608 transition count 24818
Performed 94 Post agglomeration using F-continuation condition.Transition count delta: -803
Deduced a syphon composed of 94 places in 4 ms
Reduce places removed 94 places and 0 transitions.
Iterating global reduction 11 with 188 rules applied. Total rules applied 71987 place count 9514 transition count 25621
Drop transitions removed 7 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 11 with 34 rules applied. Total rules applied 72021 place count 9514 transition count 25587
Discarding 27 places :
Symmetric choice reduction at 12 with 27 rule applications. Total rules 72048 place count 9487 transition count 25047
Iterating global reduction 12 with 27 rules applied. Total rules applied 72075 place count 9487 transition count 25047
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 12 with 27 rules applied. Total rules applied 72102 place count 9487 transition count 25020
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: -216
Deduced a syphon composed of 27 places in 4 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 13 with 54 rules applied. Total rules applied 72156 place count 9460 transition count 25236
Free-agglomeration rule applied 6211 times with reduction of 4285 identical transitions.
Iterating global reduction 13 with 6211 rules applied. Total rules applied 78367 place count 9460 transition count 14740
Reduce places removed 6211 places and 0 transitions.
Drop transitions removed 7175 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 7180 transitions.
Graph (complete) has 10901 edges and 3249 vertex of which 182 are kept as prefixes of interest. Removing 3067 places using SCC suffix rule.6 ms
Discarding 3067 places :
Also discarding 6736 output transitions
Drop transitions removed 6736 transitions
Iterating post reduction 13 with 13392 rules applied. Total rules applied 91759 place count 182 transition count 824
Drop transitions removed 166 transitions
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 181 transitions.
Iterating post reduction 14 with 181 rules applied. Total rules applied 91940 place count 182 transition count 643
Discarding 162 places :
Symmetric choice reduction at 15 with 162 rule applications. Total rules 92102 place count 20 transition count 35
Iterating global reduction 15 with 162 rules applied. Total rules applied 92264 place count 20 transition count 35
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 15 with 6 rules applied. Total rules applied 92270 place count 17 transition count 38
Drop transitions removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 92276 place count 17 transition count 32
Discarding 2 places :
Symmetric choice reduction at 16 with 2 rule applications. Total rules 92278 place count 15 transition count 24
Iterating global reduction 16 with 2 rules applied. Total rules applied 92280 place count 15 transition count 24
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 92282 place count 15 transition count 22
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 92283 place count 15 transition count 21
Free-agglomeration rule applied 1 times.
Iterating global reduction 17 with 1 rules applied. Total rules applied 92284 place count 15 transition count 20
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 17 with 4 rules applied. Total rules applied 92288 place count 14 transition count 17
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 92289 place count 13 transition count 16
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (trivial) has 2 edges and 9 vertex of which 2 / 9 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Iterating post reduction 18 with 7 rules applied. Total rules applied 92296 place count 8 transition count 14
Drop transitions removed 2 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 19 with 4 rules applied. Total rules applied 92300 place count 8 transition count 10
Applied a total of 92300 rules in 39056 ms. Remains 8 /47560 variables (removed 47552) and now considering 10/76160 (removed 76150) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39056 ms. Remains : 8/47560 places, 10/76160 transitions.
Finished random walk after 6 steps, including 0 resets, run visited all 3 properties in 1 ms. (steps per millisecond=6 )
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p2))), (X (X (NOT p0))), (X (X (NOT p1))), (G (NOT (AND p0 (NOT p1))))]
False Knowledge obtained : [(F p1), (F p2), (F p0)]
Knowledge based reduction with 10 factoid took 511 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 139 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2), (NOT p0)]
Stuttering acceptance computed with spot in 155 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2), (NOT p0)]
[2023-03-08 17:55:46] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
[2023-03-08 17:56:01] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 8755 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
[2023-03-08 17:56:25] [INFO ] Invariant cache hit.
[2023-03-08 17:56:31] [INFO ] Implicit Places using invariants in 6117 ms returned []
Implicit Place search using SMT only with invariants took 6117 ms to find 0 implicit places.
[2023-03-08 17:56:31] [INFO ] Invariant cache hit.
[2023-03-08 17:56:37] [INFO ] Dead Transitions using invariants and state equation in 6056 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20937 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Computed a total of 13150 stabilizing places and 13150 stable transitions
Computed a total of 13150 stabilizing places and 13150 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p2))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 273 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 574 ms. (steps per millisecond=17 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 99777 steps, run timeout after 3001 ms. (steps per millisecond=33 ) properties seen :{}
Probabilistic random walk after 99777 steps, saw 98871 distinct states, run finished after 3002 ms. (steps per millisecond=33 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-08 17:57:32] [INFO ] Invariant cache hit.
[2023-03-08 17:57:57] [INFO ] [Real]Absence check using 3040 positive place invariants in 8773 ms returned unknown
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-08 17:57:57] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-08 17:57:57] [INFO ] After 25084ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42547 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 22 ms
Free SCC test removed 2620 places
Drop transitions removed 2960 transitions
Reduce isomorphic transitions removed 2960 transitions.
Drop transitions removed 20710 transitions
Trivial Post-agglo rules discarded 20710 transitions
Performed 20710 trivial Post agglomeration. Transition count delta: 20710
Iterating post reduction 0 with 20710 rules applied. Total rules applied 20711 place count 44940 transition count 52490
Reduce places removed 20710 places and 0 transitions.
Ensure Unique test removed 450 transitions
Reduce isomorphic transitions removed 450 transitions.
Drop transitions removed 440 transitions
Trivial Post-agglo rules discarded 440 transitions
Performed 440 trivial Post agglomeration. Transition count delta: 440
Iterating post reduction 1 with 21600 rules applied. Total rules applied 42311 place count 24230 transition count 51600
Reduce places removed 440 places and 0 transitions.
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 transitions.
Drop transitions removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 2 with 720 rules applied. Total rules applied 43031 place count 23790 transition count 51320
Reduce places removed 140 places and 0 transitions.
Iterating post reduction 3 with 140 rules applied. Total rules applied 43171 place count 23650 transition count 51320
Performed 140 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 140 Pre rules applied. Total rules applied 43171 place count 23650 transition count 51180
Deduced a syphon composed of 140 places in 4077 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 4 with 280 rules applied. Total rules applied 43451 place count 23510 transition count 51180
Performed 13138 Post agglomeration using F-continuation condition.Transition count delta: 13138
Deduced a syphon composed of 13138 places in 11 ms
Reduce places removed 13138 places and 0 transitions.
Iterating global reduction 4 with 26276 rules applied. Total rules applied 69727 place count 10372 transition count 38042
Renaming transitions due to excessive name length > 1024 char.
Discarding 348 places :
Symmetric choice reduction at 4 with 348 rule applications. Total rules 70075 place count 10024 transition count 24971
Iterating global reduction 4 with 348 rules applied. Total rules applied 70423 place count 10024 transition count 24971
Ensure Unique test removed 318 transitions
Reduce isomorphic transitions removed 318 transitions.
Iterating post reduction 4 with 318 rules applied. Total rules applied 70741 place count 10024 transition count 24653
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -909
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 5 with 202 rules applied. Total rules applied 70943 place count 9923 transition count 25562
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 5 with 50 rules applied. Total rules applied 70993 place count 9923 transition count 25512
Discarding 50 places :
Symmetric choice reduction at 6 with 50 rule applications. Total rules 71043 place count 9873 transition count 24512
Iterating global reduction 6 with 50 rules applied. Total rules applied 71093 place count 9873 transition count 24512
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 6 with 50 rules applied. Total rules applied 71143 place count 9873 transition count 24462
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -859
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 7 with 202 rules applied. Total rules applied 71345 place count 9772 transition count 25321
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 26 rules applied. Total rules applied 71371 place count 9772 transition count 25295
Discarding 26 places :
Symmetric choice reduction at 8 with 26 rule applications. Total rules 71397 place count 9746 transition count 24775
Iterating global reduction 8 with 26 rules applied. Total rules applied 71423 place count 9746 transition count 24775
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 8 with 26 rules applied. Total rules applied 71449 place count 9746 transition count 24749
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -883
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 71651 place count 9645 transition count 25632
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 9 with 37 rules applied. Total rules applied 71688 place count 9645 transition count 25595
Discarding 37 places :
Symmetric choice reduction at 10 with 37 rule applications. Total rules 71725 place count 9608 transition count 24855
Iterating global reduction 10 with 37 rules applied. Total rules applied 71762 place count 9608 transition count 24855
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 10 with 37 rules applied. Total rules applied 71799 place count 9608 transition count 24818
Performed 94 Post agglomeration using F-continuation condition.Transition count delta: -803
Deduced a syphon composed of 94 places in 4 ms
Reduce places removed 94 places and 0 transitions.
Iterating global reduction 11 with 188 rules applied. Total rules applied 71987 place count 9514 transition count 25621
Drop transitions removed 7 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 11 with 34 rules applied. Total rules applied 72021 place count 9514 transition count 25587
Discarding 27 places :
Symmetric choice reduction at 12 with 27 rule applications. Total rules 72048 place count 9487 transition count 25047
Iterating global reduction 12 with 27 rules applied. Total rules applied 72075 place count 9487 transition count 25047
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 12 with 27 rules applied. Total rules applied 72102 place count 9487 transition count 25020
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: -216
Deduced a syphon composed of 27 places in 3 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 13 with 54 rules applied. Total rules applied 72156 place count 9460 transition count 25236
Free-agglomeration rule applied 6211 times with reduction of 4285 identical transitions.
Iterating global reduction 13 with 6211 rules applied. Total rules applied 78367 place count 9460 transition count 14740
Reduce places removed 6211 places and 0 transitions.
Drop transitions removed 7175 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 7180 transitions.
Graph (complete) has 10901 edges and 3249 vertex of which 182 are kept as prefixes of interest. Removing 3067 places using SCC suffix rule.6 ms
Discarding 3067 places :
Also discarding 6736 output transitions
Drop transitions removed 6736 transitions
Iterating post reduction 13 with 13392 rules applied. Total rules applied 91759 place count 182 transition count 824
Drop transitions removed 166 transitions
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 181 transitions.
Iterating post reduction 14 with 181 rules applied. Total rules applied 91940 place count 182 transition count 643
Discarding 162 places :
Symmetric choice reduction at 15 with 162 rule applications. Total rules 92102 place count 20 transition count 35
Iterating global reduction 15 with 162 rules applied. Total rules applied 92264 place count 20 transition count 35
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 15 with 6 rules applied. Total rules applied 92270 place count 17 transition count 38
Drop transitions removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 92276 place count 17 transition count 32
Discarding 2 places :
Symmetric choice reduction at 16 with 2 rule applications. Total rules 92278 place count 15 transition count 24
Iterating global reduction 16 with 2 rules applied. Total rules applied 92280 place count 15 transition count 24
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 92282 place count 15 transition count 22
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 92283 place count 15 transition count 21
Free-agglomeration rule applied 1 times.
Iterating global reduction 17 with 1 rules applied. Total rules applied 92284 place count 15 transition count 20
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 17 with 4 rules applied. Total rules applied 92288 place count 14 transition count 17
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 92289 place count 13 transition count 16
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (trivial) has 2 edges and 9 vertex of which 2 / 9 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Iterating post reduction 18 with 7 rules applied. Total rules applied 92296 place count 8 transition count 14
Drop transitions removed 2 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 19 with 4 rules applied. Total rules applied 92300 place count 8 transition count 10
Applied a total of 92300 rules in 39739 ms. Remains 8 /47560 variables (removed 47552) and now considering 10/76160 (removed 76150) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39739 ms. Remains : 8/47560 places, 10/76160 transitions.
Finished random walk after 4 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p2) (NOT p0)), (X (NOT p2)), (X (NOT p0)), true, (X (X (NOT p2))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p2), (F p0)]
Knowledge based reduction with 6 factoid took 270 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 166 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2), (NOT p0)]
Stuttering acceptance computed with spot in 172 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2), (NOT p0)]
[2023-03-08 17:58:38] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
[2023-03-08 17:58:53] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 159 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2), (NOT p0)]
Product exploration explored 100000 steps with 1 reset in 3921 ms.
Product exploration explored 100000 steps with 1 reset in 4587 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 174 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2), (NOT p0)]
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42547 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 17 ms
Free SCC test removed 2620 places
Ensure Unique test removed 2780 transitions
Reduce isomorphic transitions removed 2780 transitions.
Performed 20710 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 20710 rules applied. Total rules applied 20711 place count 44940 transition count 73380
Ensure Unique test removed 450 transitions
Reduce isomorphic transitions removed 450 transitions.
Performed 150 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 1 with 600 rules applied. Total rules applied 21311 place count 44940 transition count 72930
Performed 150 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 150 Pre rules applied. Total rules applied 21311 place count 44940 transition count 73080
Deduced a syphon composed of 21010 places in 5511 ms
Iterating global reduction 2 with 150 rules applied. Total rules applied 21461 place count 44940 transition count 73080
Performed 2434 Post agglomeration using F-continuation condition.
Performed 2734 Post agglomeration using F-continuation condition.
Performed 2945 Post agglomeration using F-continuation condition.
Performed 3119 Post agglomeration using F-continuation condition.
Performed 3269 Post agglomeration using F-continuation condition.
Performed 3404 Post agglomeration using F-continuation condition.
Performed 3526 Post agglomeration using F-continuation condition.
Performed 3638 Post agglomeration using F-continuation condition.
Performed 3737 Post agglomeration using F-continuation condition.
Performed 3819 Post agglomeration using F-continuation condition.
Performed 3891 Post agglomeration using F-continuation condition.
Performed 3974 Post agglomeration using F-continuation condition.
Performed 4055 Post agglomeration using F-continuation condition.
Performed 4126 Post agglomeration using F-continuation condition.
Performed 4198 Post agglomeration using F-continuation condition.
Performed 4262 Post agglomeration using F-continuation condition.
Performed 4322 Post agglomeration using F-continuation condition.
Performed 4386 Post agglomeration using F-continuation condition.
Performed 4445 Post agglomeration using F-continuation condition.
Performed 4508 Post agglomeration using F-continuation condition.
Performed 4569 Post agglomeration using F-continuation condition.
Performed 4628 Post agglomeration using F-continuation condition.
Performed 4684 Post agglomeration using F-continuation condition.
Performed 4806 Post agglomeration using F-continuation condition.
Performed 5061 Post agglomeration using F-continuation condition.
Performed 5319 Post agglomeration using F-continuation condition.
Performed 5583 Post agglomeration using F-continuation condition.
Performed 5850 Post agglomeration using F-continuation condition.
Performed 6120 Post agglomeration using F-continuation condition.
Performed 6384 Post agglomeration using F-continuation condition.
Performed 6654 Post agglomeration using F-continuation condition.
Performed 6930 Post agglomeration using F-continuation condition.
Performed 7212 Post agglomeration using F-continuation condition.
Performed 7497 Post agglomeration using F-continuation condition.
Performed 7791 Post agglomeration using F-continuation condition.
Performed 8091 Post agglomeration using F-continuation condition.
Performed 8400 Post agglomeration using F-continuation condition.
Performed 8721 Post agglomeration using F-continuation condition.
Performed 9054 Post agglomeration using F-continuation condition.
Performed 9405 Post agglomeration using F-continuation condition.
Performed 9776 Post agglomeration using F-continuation condition.
Performed 10173 Post agglomeration using F-continuation condition.
Performed 10611 Post agglomeration using F-continuation condition.
Performed 11106 Post agglomeration using F-continuation condition.
Performed 11706 Post agglomeration using F-continuation condition.
Performed 12585 Post agglomeration using F-continuation condition.
Performed 13388 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 34398 places in 43 ms
Iterating global reduction 2 with 13388 rules applied. Total rules applied 34849 place count 44940 transition count 73080
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 transitions.
Iterating post reduction 2 with 140 rules applied. Total rules applied 34989 place count 44940 transition count 72940
Renaming transitions due to excessive name length > 1024 char.
Discarding 348 places :
Symmetric choice reduction at 3 with 348 rule applications. Total rules 35337 place count 44592 transition count 59869
Deduced a syphon composed of 34398 places in 41 ms
Iterating global reduction 3 with 348 rules applied. Total rules applied 35685 place count 44592 transition count 59869
Ensure Unique test removed 298 transitions
Reduce isomorphic transitions removed 298 transitions.
Iterating post reduction 3 with 298 rules applied. Total rules applied 35983 place count 44592 transition count 59571
Performed 140 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 34538 places in 42 ms
Iterating global reduction 4 with 140 rules applied. Total rules applied 36123 place count 44592 transition count 59571
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -1010
Deduced a syphon composed of 34639 places in 41 ms
Iterating global reduction 4 with 101 rules applied. Total rules applied 36224 place count 44592 transition count 60581
Discarding 101 places :
Symmetric choice reduction at 4 with 101 rule applications. Total rules 36325 place count 44491 transition count 60379
Deduced a syphon composed of 34538 places in 41 ms
Iterating global reduction 4 with 101 rules applied. Total rules applied 36426 place count 44491 transition count 60379
Performed 69 Post agglomeration using F-continuation condition with reduction of 60 identical transitions.
Deduced a syphon composed of 34607 places in 40 ms
Iterating global reduction 4 with 69 rules applied. Total rules applied 36495 place count 44491 transition count 60909
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 4 with 30 rules applied. Total rules applied 36525 place count 44491 transition count 60879
Discarding 129 places :
Symmetric choice reduction at 5 with 129 rule applications. Total rules 36654 place count 44362 transition count 60601
Deduced a syphon composed of 34478 places in 40 ms
Iterating global reduction 5 with 129 rules applied. Total rules applied 36783 place count 44362 transition count 60601
Deduced a syphon composed of 34478 places in 61 ms
Applied a total of 36783 rules in 1454295 ms. Remains 44362 /47560 variables (removed 3198) and now considering 60601/76160 (removed 15559) transitions.
[2023-03-08 18:23:32] [INFO ] Flow matrix only has 60422 transitions (discarded 179 similar events)
// Phase 1: matrix 60422 rows 44362 cols
[2023-03-08 18:25:32] [WARNING] Invariant computation timed out after 120 seconds.
[2023-03-08 18:25:35] [INFO ] Dead Transitions using invariants and state equation in 123356 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 44362/47560 places, 60601/76160 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1577667 ms. Remains : 44362/47560 places, 60601/76160 transitions.
Built C files in :
/tmp/ltsmin15040626389315556313
[2023-03-08 18:25:36] [INFO ] Built C files in 696ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15040626389315556313
Running compilation step : cd /tmp/ltsmin15040626389315556313;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15040626389315556313;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin15040626389315556313;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 9381 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
[2023-03-08 18:25:48] [INFO ] Invariant cache hit.
[2023-03-08 18:25:54] [INFO ] Implicit Places using invariants in 5745 ms returned []
Implicit Place search using SMT only with invariants took 5751 ms to find 0 implicit places.
[2023-03-08 18:25:54] [INFO ] Invariant cache hit.
[2023-03-08 18:25:58] [INFO ] Computed 3040 place invariants in 146201 ms
[2023-03-08 18:26:00] [INFO ] Dead Transitions using invariants and state equation in 5469 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20604 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Built C files in :
/tmp/ltsmin421784223554705755
[2023-03-08 18:26:06] [INFO ] Built C files in 522ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin421784223554705755
Running compilation step : cd /tmp/ltsmin421784223554705755;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin421784223554705755;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin421784223554705755;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-08 18:26:12] [INFO ] Flatten gal took : 1492 ms
[2023-03-08 18:26:14] [INFO ] Flatten gal took : 1407 ms
[2023-03-08 18:26:14] [INFO ] Time to serialize gal into /tmp/LTL3451082099135927358.gal : 314 ms
[2023-03-08 18:26:14] [INFO ] Time to serialize properties into /tmp/LTL1293312397231086276.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3451082099135927358.gal' '-t' 'CGAL' '-hoa' '/tmp/aut7332521960274523508.hoa' '-atoms' '/tmp/LTL1293312397231086276.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Detected timeout of ITS tools.
[2023-03-08 18:26:44] [INFO ] Flatten gal took : 1442 ms
[2023-03-08 18:26:45] [INFO ] Flatten gal took : 1396 ms
[2023-03-08 18:26:46] [INFO ] Time to serialize gal into /tmp/LTL11677639331846121759.gal : 260 ms
[2023-03-08 18:26:46] [INFO ] Time to serialize properties into /tmp/LTL17584597937667314283.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL11677639331846121759.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL17584597937667314283.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Detected timeout of ITS tools.
[2023-03-08 18:27:02] [INFO ] Flatten gal took : 1339 ms
[2023-03-08 18:27:02] [INFO ] Applying decomposition
[2023-03-08 18:27:04] [INFO ] Flatten gal took : 1397 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph11031741725070279931.txt' '-o' '/tmp/graph11031741725070279931.bin' '-w' '/tmp/graph11031741725070279931.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph11031741725070279931.bin' '-l' '-1' '-v' '-w' '/tmp/graph11031741725070279931.weights' '-q' '0' '-e' '0.001'
[2023-03-08 18:27:10] [INFO ] Decomposing Gal with order
[2023-03-08 18:27:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-08 18:47:01] [INFO ] Removed a total of 62133 redundant transitions.
[2023-03-08 18:47:02] [INFO ] Flatten gal took : 2822 ms
[2023-03-08 18:47:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 864 labels/synchronizations in 738 ms.
[2023-03-08 18:47:04] [INFO ] Time to serialize gal into /tmp/LTL3230838955837882222.gal : 366 ms
[2023-03-08 18:47:04] [INFO ] Time to serialize properties into /tmp/LTL12139138883178749177.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL3230838955837882222.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12139138883178749177.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin8602515850193967684
[2023-03-08 18:47:20] [INFO ] Built C files in 524ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8602515850193967684
Running compilation step : cd /tmp/ltsmin8602515850193967684;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8602515850193967684;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8602515850193967684;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property DLCflexbar-PT-8b-LTLFireability-01 finished in 3246519 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((p0||(p1 U p2)))||G(p3))))'
Support contains 7 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 9151 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
// Phase 1: matrix 76160 rows 47560 cols
[2023-03-08 18:47:33] [INFO ] Computed 3040 place invariants in 520 ms
[2023-03-08 18:47:38] [INFO ] Implicit Places using invariants in 5753 ms returned []
Implicit Place search using SMT only with invariants took 5755 ms to find 0 implicit places.
[2023-03-08 18:47:38] [INFO ] Invariant cache hit.
[2023-03-08 18:47:43] [INFO ] Dead Transitions using invariants and state equation in 5410 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20321 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Stuttering acceptance computed with spot in 275 ms :[(AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), true, (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p3), (AND p0 (NOT p2) (NOT p3))]
Running random walk in product with property : DLCflexbar-PT-8b-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND p0 p3) (AND p2 p3) (AND p1 p3)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) (NOT p2) p1 (NOT p3)), acceptance={} source=1 dest: 3}, { cond=(OR (AND p0 (NOT p3)) (AND p2 (NOT p3)) (AND p1 (NOT p3))), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p0) (NOT p2) (NOT p1) p3), acceptance={} source=1 dest: 5}, { cond=(AND (NOT p0) (NOT p2) p1 p3), acceptance={} source=1 dest: 6}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=4 dest: 3}, { cond=(OR p0 p2 p1), acceptance={} source=4 dest: 4}], [{ cond=(NOT p3), acceptance={} source=5 dest: 2}, { cond=p3, acceptance={} source=5 dest: 5}], [{ cond=(AND p0 (NOT p2) (NOT p1) (NOT p3)), acceptance={} source=6 dest: 2}, { cond=(AND p0 (NOT p2) p1 (NOT p3)), acceptance={} source=6 dest: 3}, { cond=(AND p0 (NOT p2) (NOT p1) p3), acceptance={} source=6 dest: 5}, { cond=(AND p0 (NOT p2) p1 p3), acceptance={} source=6 dest: 6}]], initial=0, aps=[p0:(EQ s36139 1), p3:(OR (NEQ s14621 1) (NEQ s21176 1)), p2:(AND (EQ s15508 1) (EQ s39236 1)), p1:(AND (EQ s14967 1) (EQ s47016 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 6598 ms.
Entered a terminal (fully accepting) state of product in 92477 steps with 0 reset in 6730 ms.
FORMULA DLCflexbar-PT-8b-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-8b-LTLFireability-02 finished in 40150 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0||(p0 U G(p1))) U X(X(G(p0)))))'
Support contains 3 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 9766 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
[2023-03-08 18:48:13] [INFO ] Invariant cache hit.
[2023-03-08 18:48:18] [INFO ] Implicit Places using invariants in 5419 ms returned []
Implicit Place search using SMT only with invariants took 5422 ms to find 0 implicit places.
[2023-03-08 18:48:18] [INFO ] Invariant cache hit.
[2023-03-08 18:48:24] [INFO ] Dead Transitions using invariants and state equation in 5303 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 20497 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Stuttering acceptance computed with spot in 238 ms :[(NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), true, (AND (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DLCflexbar-PT-8b-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={} source=1 dest: 2}, { cond=p1, acceptance={} source=1 dest: 4}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 3}, { cond=(AND p0 p1), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 6}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=5 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 1}, { cond=p0, acceptance={} source=5 dest: 5}, { cond=(AND (NOT p0) p1), acceptance={0} source=5 dest: 5}], [{ cond=(NOT p1), acceptance={} source=6 dest: 3}, { cond=p1, acceptance={} source=6 dest: 6}]], initial=5, aps=[p1:(EQ s3949 1), p0:(AND (EQ s13771 1) (EQ s38106 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA DLCflexbar-PT-8b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCflexbar-PT-8b-LTLFireability-03 finished in 26244 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F(p0))&&(G(p1)||(!p0 U (p2||G(!p0)))))))'
Support contains 4 out of 47560 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Applied a total of 0 rules in 8627 ms. Remains 47560 /47560 variables (removed 0) and now considering 76160/76160 (removed 0) transitions.
[2023-03-08 18:48:38] [INFO ] Invariant cache hit.
[2023-03-08 18:48:43] [INFO ] Implicit Places using invariants in 5283 ms returned []
Implicit Place search using SMT only with invariants took 5286 ms to find 0 implicit places.
[2023-03-08 18:48:43] [INFO ] Invariant cache hit.
[2023-03-08 18:48:49] [INFO ] Dead Transitions using invariants and state equation in 5323 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 19240 ms. Remains : 47560/47560 places, 76160/76160 transitions.
Stuttering acceptance computed with spot in 392 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (NOT p1), (AND (NOT p2) p0), (AND (NOT p1) (NOT p2) p0)]
Running random walk in product with property : DLCflexbar-PT-8b-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=1 dest: 2}, { cond=(OR p1 p2 (NOT p0)), acceptance={} source=1 dest: 3}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={} source=1 dest: 5}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=1 dest: 6}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 2}, { cond=p1, acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p2) p0), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=6 dest: 2}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=6 dest: 4}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={} source=6 dest: 5}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=6 dest: 6}]], initial=0, aps=[p1:(OR (NEQ s14601 1) (NEQ s20756 1)), p2:(AND (NEQ s24584 1) (NEQ s5878 1)), p0:(EQ s5878 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 1 reset in 3940 ms.
Product exploration explored 100000 steps with 0 reset in 5482 ms.
Computed a total of 13150 stabilizing places and 13150 stable transitions
Computed a total of 13150 stabilizing places and 13150 stable transitions
Knowledge obtained : [(AND p1 p2 (NOT p0)), (X (NOT (AND p1 (NOT p2) p0))), (X (NOT (AND (NOT p1) (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p2) p0))), (X (OR p1 p2 (NOT p0))), (X (NOT (AND p1 (NOT p2) (NOT p0)))), (X (X (NOT (AND p1 (NOT p2) p0)))), true, (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND (NOT p1) (NOT p2) (NOT p0))))), (X (X (NOT (AND (NOT p1) (NOT p2) p0)))), (X (X (NOT p0))), (X (X p1)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p1 (NOT p2) (NOT p0)))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 795 ms. Reduced automaton from 7 states, 16 edges and 3 AP (stutter sensitive) to 3 states, 3 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[(AND p2 (NOT p0)), (AND p2 (NOT p0)), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 347 ms. (steps per millisecond=28 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 100565 steps, run timeout after 3003 ms. (steps per millisecond=33 ) properties seen :{}
Probabilistic random walk after 100565 steps, saw 99651 distinct states, run finished after 3005 ms. (steps per millisecond=33 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-08 18:49:54] [INFO ] Invariant cache hit.
[2023-03-08 18:50:19] [INFO ] [Real]Absence check using 3040 positive place invariants in 10014 ms returned unknown
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-08 18:50:19] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-08 18:50:19] [INFO ] After 25080ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 47560 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 47560/47560 places, 76160/76160 transitions.
Graph (trivial) has 42547 edges and 47560 vertex of which 2800 / 47560 are part of one of the 180 SCC in 21 ms
Free SCC test removed 2620 places
Drop transitions removed 2960 transitions
Reduce isomorphic transitions removed 2960 transitions.
Drop transitions removed 20709 transitions
Trivial Post-agglo rules discarded 20709 transitions
Performed 20709 trivial Post agglomeration. Transition count delta: 20709
Iterating post reduction 0 with 20709 rules applied. Total rules applied 20710 place count 44940 transition count 52491
Reduce places removed 20709 places and 0 transitions.
Ensure Unique test removed 450 transitions
Reduce isomorphic transitions removed 450 transitions.
Drop transitions removed 440 transitions
Trivial Post-agglo rules discarded 440 transitions
Performed 440 trivial Post agglomeration. Transition count delta: 440
Iterating post reduction 1 with 21599 rules applied. Total rules applied 42309 place count 24231 transition count 51601
Reduce places removed 440 places and 0 transitions.
Ensure Unique test removed 140 transitions
Reduce isomorphic transitions removed 140 transitions.
Drop transitions removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 2 with 720 rules applied. Total rules applied 43029 place count 23791 transition count 51321
Reduce places removed 140 places and 0 transitions.
Iterating post reduction 3 with 140 rules applied. Total rules applied 43169 place count 23651 transition count 51321
Performed 140 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 140 Pre rules applied. Total rules applied 43169 place count 23651 transition count 51181
Deduced a syphon composed of 140 places in 4293 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 4 with 280 rules applied. Total rules applied 43449 place count 23511 transition count 51181
Performed 13136 Post agglomeration using F-continuation condition.Transition count delta: 13136
Deduced a syphon composed of 13136 places in 10 ms
Reduce places removed 13136 places and 0 transitions.
Iterating global reduction 4 with 26272 rules applied. Total rules applied 69721 place count 10375 transition count 38045
Renaming transitions due to excessive name length > 1024 char.
Discarding 349 places :
Symmetric choice reduction at 4 with 349 rule applications. Total rules 70070 place count 10026 transition count 24825
Iterating global reduction 4 with 349 rules applied. Total rules applied 70419 place count 10026 transition count 24825
Ensure Unique test removed 319 transitions
Reduce isomorphic transitions removed 319 transitions.
Iterating post reduction 4 with 319 rules applied. Total rules applied 70738 place count 10026 transition count 24506
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -909
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 5 with 202 rules applied. Total rules applied 70940 place count 9925 transition count 25415
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 5 with 50 rules applied. Total rules applied 70990 place count 9925 transition count 25365
Discarding 50 places :
Symmetric choice reduction at 6 with 50 rule applications. Total rules 71040 place count 9875 transition count 24365
Iterating global reduction 6 with 50 rules applied. Total rules applied 71090 place count 9875 transition count 24365
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 6 with 50 rules applied. Total rules applied 71140 place count 9875 transition count 24315
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -859
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 7 with 202 rules applied. Total rules applied 71342 place count 9774 transition count 25174
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 7 with 26 rules applied. Total rules applied 71368 place count 9774 transition count 25148
Discarding 26 places :
Symmetric choice reduction at 8 with 26 rule applications. Total rules 71394 place count 9748 transition count 24628
Iterating global reduction 8 with 26 rules applied. Total rules applied 71420 place count 9748 transition count 24628
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 8 with 26 rules applied. Total rules applied 71446 place count 9748 transition count 24602
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -883
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 71648 place count 9647 transition count 25485
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 9 with 37 rules applied. Total rules applied 71685 place count 9647 transition count 25448
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 9708612 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16028428 kB

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="DLCflexbar-PT-8b"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-5348"
echo " Executing tool itstools"
echo " Input is DLCflexbar-PT-8b, 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 r101-tall-167814475600612"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-8b.tgz
mv DLCflexbar-PT-8b 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 ;