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.r487-tall-167912703100468.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 lolaxred
Input is Szymanski-PT-b06, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912703100468
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.0M
-rw-r--r-- 1 mcc users 6.1K Feb 26 17:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Feb 26 17:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 16:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 16:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 17:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 17:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 26 17:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Feb 26 17:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 17:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 17:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.7M Mar 5 18:23 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 Szymanski-PT-b06-LTLFireability-00
FORMULA_NAME Szymanski-PT-b06-LTLFireability-01
FORMULA_NAME Szymanski-PT-b06-LTLFireability-02
FORMULA_NAME Szymanski-PT-b06-LTLFireability-03
FORMULA_NAME Szymanski-PT-b06-LTLFireability-04
FORMULA_NAME Szymanski-PT-b06-LTLFireability-05
FORMULA_NAME Szymanski-PT-b06-LTLFireability-06
FORMULA_NAME Szymanski-PT-b06-LTLFireability-07
FORMULA_NAME Szymanski-PT-b06-LTLFireability-08
FORMULA_NAME Szymanski-PT-b06-LTLFireability-09
FORMULA_NAME Szymanski-PT-b06-LTLFireability-10
FORMULA_NAME Szymanski-PT-b06-LTLFireability-11
FORMULA_NAME Szymanski-PT-b06-LTLFireability-12
FORMULA_NAME Szymanski-PT-b06-LTLFireability-13
FORMULA_NAME Szymanski-PT-b06-LTLFireability-14
FORMULA_NAME Szymanski-PT-b06-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679191255118

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=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Szymanski-PT-b06
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 02:00:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 02:00:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 02:00:56] [INFO ] Load time of PNML (sax parser for PT used): 279 ms
[2023-03-19 02:00:56] [INFO ] Transformed 568 places.
[2023-03-19 02:00:56] [INFO ] Transformed 8320 transitions.
[2023-03-19 02:00:56] [INFO ] Parsed PT model containing 568 places and 8320 transitions and 33408 arcs in 436 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Deduced a syphon composed of 260 places in 17 ms
Reduce places removed 260 places and 256 transitions.
FORMULA Szymanski-PT-b06-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b06-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b06-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b06-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b06-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 41 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 8064
Applied a total of 2 rules in 136 ms. Remains 306 /308 variables (removed 2) and now considering 8064/8064 (removed 0) transitions.
[2023-03-19 02:00:57] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2023-03-19 02:00:57] [INFO ] Computed 1 place invariants in 51 ms
[2023-03-19 02:00:57] [INFO ] Implicit Places using invariants in 673 ms returned []
[2023-03-19 02:00:58] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 02:00:58] [INFO ] Invariant cache hit.
[2023-03-19 02:00:58] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:01:02] [INFO ] Implicit Places using invariants and state equation in 4480 ms returned []
Implicit Place search using SMT with State Equation took 5182 ms to find 0 implicit places.
[2023-03-19 02:01:02] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 02:01:02] [INFO ] Invariant cache hit.
[2023-03-19 02:01:04] [INFO ] Dead Transitions using invariants and state equation in 2004 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 306/308 places, 8064/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7328 ms. Remains : 306/308 places, 8064/8064 transitions.
Support contains 41 out of 306 places after structural reductions.
[2023-03-19 02:01:05] [INFO ] Flatten gal took : 429 ms
[2023-03-19 02:01:05] [INFO ] Flatten gal took : 276 ms
[2023-03-19 02:01:06] [INFO ] Input system was already deterministic with 8064 transitions.
Support contains 40 out of 306 places (down from 41) after GAL structural reductions.
Incomplete random walk after 10002 steps, including 3 resets, run finished after 404 ms. (steps per millisecond=24 ) properties (out of 21) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 19) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 17) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 14) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 13) 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 13) 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 13) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 12) 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 12) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 12) seen :0
Running SMT prover for 12 properties.
[2023-03-19 02:01:06] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 02:01:06] [INFO ] Invariant cache hit.
[2023-03-19 02:01:06] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:01:12] [INFO ] After 5616ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2023-03-19 02:01:12] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 7 ms returned sat
[2023-03-19 02:01:24] [INFO ] After 11716ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :12
[2023-03-19 02:01:24] [INFO ] State equation strengthened by 147 read => feed constraints.
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:644)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
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)
[2023-03-19 02:01:37] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-19 02:01:37] [INFO ] After 25031ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:12
Parikh walk visited 0 properties in 242 ms.
Support contains 24 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Drop transitions removed 111 transitions
Reduce isomorphic transitions removed 111 transitions.
Iterating post reduction 0 with 111 rules applied. Total rules applied 111 place count 306 transition count 7953
Applied a total of 111 rules in 356 ms. Remains 306 /306 variables (removed 0) and now considering 7953/8064 (removed 111) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 358 ms. Remains : 306/306 places, 7953/8064 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 11) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 10) seen :0
Running SMT prover for 10 properties.
[2023-03-19 02:01:38] [INFO ] Flow matrix only has 2622 transitions (discarded 5331 similar events)
// Phase 1: matrix 2622 rows 306 cols
[2023-03-19 02:01:38] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 02:01:38] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:01:42] [INFO ] After 3702ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2023-03-19 02:01:42] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:01:48] [INFO ] After 6190ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2023-03-19 02:01:48] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:02:07] [INFO ] After 18675ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :8
[2023-03-19 02:02:07] [INFO ] After 18676ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-19 02:02:07] [INFO ] After 25018ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 0 properties in 204 ms.
Support contains 21 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7953/7953 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 306 transition count 7951
Applied a total of 2 rules in 217 ms. Remains 306 /306 variables (removed 0) and now considering 7951/7953 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 217 ms. Remains : 306/306 places, 7951/7953 transitions.
Incomplete random walk after 10003 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 10) 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 10) 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 10) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 9) 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 9) 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 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 9) 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 9) seen :0
Running SMT prover for 9 properties.
[2023-03-19 02:02:07] [INFO ] Flow matrix only has 2620 transitions (discarded 5331 similar events)
// Phase 1: matrix 2620 rows 306 cols
[2023-03-19 02:02:07] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 02:02:08] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:02:11] [INFO ] After 3211ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-19 02:02:11] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:02:25] [INFO ] After 14373ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2023-03-19 02:02:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:02:36] [INFO ] After 10521ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :7
[2023-03-19 02:02:36] [INFO ] After 10523ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-19 02:02:36] [INFO ] After 25024ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
Parikh walk visited 0 properties in 88 ms.
Support contains 19 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7951/7951 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 306 transition count 7950
Applied a total of 1 rules in 299 ms. Remains 306 /306 variables (removed 0) and now considering 7950/7951 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 300 ms. Remains : 306/306 places, 7950/7951 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 9) 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 9) 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 9) 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 9) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-19 02:02:36] [INFO ] Flow matrix only has 2619 transitions (discarded 5331 similar events)
// Phase 1: matrix 2619 rows 306 cols
[2023-03-19 02:02:36] [INFO ] Computed 1 place invariants in 23 ms
[2023-03-19 02:02:37] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:02:41] [INFO ] After 4406ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-19 02:02:41] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:02:53] [INFO ] After 11946ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-19 02:02:53] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:03:06] [INFO ] After 12953ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-19 02:03:06] [INFO ] After 12954ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 1 ms.
[2023-03-19 02:03:06] [INFO ] After 25019ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 96 ms.
Support contains 17 out of 306 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 306/306 places, 7950/7950 transitions.
Applied a total of 0 rules in 186 ms. Remains 306 /306 variables (removed 0) and now considering 7950/7950 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 306/306 places, 7950/7950 transitions.
Computed a total of 12 stabilizing places and 2432 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' '!(F(((X(F(p1)) U p2)&&p0)))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 425 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:03:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:03:07] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 02:03:07] [INFO ] Implicit Places using invariants in 458 ms returned []
[2023-03-19 02:03:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:07] [INFO ] Invariant cache hit.
[2023-03-19 02:03:08] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:03:15] [INFO ] Implicit Places using invariants and state equation in 7852 ms returned []
Implicit Place search using SMT with State Equation took 8322 ms to find 0 implicit places.
[2023-03-19 02:03:16] [INFO ] Redundant transitions in 933 ms returned []
[2023-03-19 02:03:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:16] [INFO ] Invariant cache hit.
[2023-03-19 02:03:18] [INFO ] Dead Transitions using invariants and state equation in 1822 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11515 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 226 ms :[(OR (NOT p2) (NOT p0)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p2)), acceptance={0} source=0 dest: 2}], [{ cond=(OR (AND (NOT p0) (NOT p1)) (AND (NOT p2) (NOT p1))), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p0) p2 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(NOT p2), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s62 1) (GEQ s263 1)), p2:(AND (GEQ s40 1) (GEQ s266 1)), p1:(AND (GEQ s89 1) (GEQ s287 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 505 ms.
Stack based approach found an accepted trace after 137 steps with 0 reset with depth 138 and stack size 138 in 2 ms.
FORMULA Szymanski-PT-b06-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-01 finished in 12320 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' '!(F(p0))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 247 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:03:19] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:19] [INFO ] Invariant cache hit.
[2023-03-19 02:03:19] [INFO ] Implicit Places using invariants in 414 ms returned []
[2023-03-19 02:03:19] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:19] [INFO ] Invariant cache hit.
[2023-03-19 02:03:20] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:03:26] [INFO ] Implicit Places using invariants and state equation in 6461 ms returned []
Implicit Place search using SMT with State Equation took 6880 ms to find 0 implicit places.
[2023-03-19 02:03:27] [INFO ] Redundant transitions in 838 ms returned []
[2023-03-19 02:03:27] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:27] [INFO ] Invariant cache hit.
[2023-03-19 02:03:28] [INFO ] Dead Transitions using invariants and state equation in 1834 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9810 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s18 1) (GEQ s282 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 424 steps with 0 reset in 3 ms.
FORMULA Szymanski-PT-b06-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-02 finished in 9876 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' '!((F(p0)&&(G(!p1)||(!p1&&F((!p2&&X(!p2)))))))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Applied a total of 0 rules in 31 ms. Remains 306 /306 variables (removed 0) and now considering 8064/8064 (removed 0) transitions.
[2023-03-19 02:03:29] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 306 cols
[2023-03-19 02:03:29] [INFO ] Computed 1 place invariants in 14 ms
[2023-03-19 02:03:29] [INFO ] Implicit Places using invariants in 419 ms returned []
[2023-03-19 02:03:29] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 02:03:29] [INFO ] Invariant cache hit.
[2023-03-19 02:03:29] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:03:34] [INFO ] Implicit Places using invariants and state equation in 4689 ms returned []
Implicit Place search using SMT with State Equation took 5113 ms to find 0 implicit places.
[2023-03-19 02:03:34] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
[2023-03-19 02:03:34] [INFO ] Invariant cache hit.
[2023-03-19 02:03:36] [INFO ] Dead Transitions using invariants and state equation in 1892 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7038 ms. Remains : 306/306 places, 8064/8064 transitions.
Stuttering acceptance computed with spot in 212 ms :[(OR (NOT p0) p1), true, (NOT p0), (AND p2 p1), (AND p2 p1), p2, p2]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=0 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) p2), acceptance={} source=3 dest: 4}, { cond=(AND p1 p2), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=4 dest: 4}, { cond=(AND p1 p2), acceptance={} source=4 dest: 5}, { cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 6}], [{ cond=p2, acceptance={0} source=5 dest: 5}, { cond=(NOT p2), acceptance={0} source=5 dest: 6}], [{ cond=p2, acceptance={0} source=6 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s65 1) (GEQ s273 1)), p0:(AND (GEQ s5 1) (GEQ s305 1)), p2:(AND (GEQ s18 1) (GEQ s282 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 705 steps with 0 reset in 6 ms.
FORMULA Szymanski-PT-b06-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-04 finished in 7292 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 U p1)&&F(!p1)))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 228 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:03:36] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:03:36] [INFO ] Computed 1 place invariants in 23 ms
[2023-03-19 02:03:36] [INFO ] Implicit Places using invariants in 415 ms returned []
[2023-03-19 02:03:36] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:36] [INFO ] Invariant cache hit.
[2023-03-19 02:03:37] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:03:42] [INFO ] Implicit Places using invariants and state equation in 5977 ms returned []
Implicit Place search using SMT with State Equation took 6395 ms to find 0 implicit places.
[2023-03-19 02:03:43] [INFO ] Redundant transitions in 694 ms returned []
[2023-03-19 02:03:43] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:43] [INFO ] Invariant cache hit.
[2023-03-19 02:03:45] [INFO ] Dead Transitions using invariants and state equation in 1798 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9120 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 112 ms :[p1, (NOT p1), true, true]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 2}]], initial=3, aps=[p1:(AND (GEQ s83 1) (GEQ s299 1)), p0:(AND (GEQ s52 1) (GEQ s257 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 139 steps with 0 reset in 2 ms.
FORMULA Szymanski-PT-b06-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-05 finished in 9259 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' '!(G((F(G(p0))&&F(p1))))'
Support contains 6 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 205 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:03:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:45] [INFO ] Invariant cache hit.
[2023-03-19 02:03:46] [INFO ] Implicit Places using invariants in 388 ms returned []
[2023-03-19 02:03:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:46] [INFO ] Invariant cache hit.
[2023-03-19 02:03:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:03:53] [INFO ] Implicit Places using invariants and state equation in 7170 ms returned []
Implicit Place search using SMT with State Equation took 7560 ms to find 0 implicit places.
[2023-03-19 02:03:54] [INFO ] Redundant transitions in 668 ms returned []
[2023-03-19 02:03:54] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:54] [INFO ] Invariant cache hit.
[2023-03-19 02:03:55] [INFO ] Dead Transitions using invariants and state equation in 1814 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10261 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 112 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (LT s82 1) (LT s304 1)), p1:(OR (AND (GEQ s41 1) (GEQ s295 1)) (AND (GEQ s37 1) (GEQ s294 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 370 steps with 0 reset in 3 ms.
FORMULA Szymanski-PT-b06-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-06 finished in 10400 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' '!(G(F(p0)))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 210 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:03:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:56] [INFO ] Invariant cache hit.
[2023-03-19 02:03:56] [INFO ] Implicit Places using invariants in 416 ms returned []
[2023-03-19 02:03:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:03:56] [INFO ] Invariant cache hit.
[2023-03-19 02:03:57] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:04:03] [INFO ] Implicit Places using invariants and state equation in 6647 ms returned []
Implicit Place search using SMT with State Equation took 7066 ms to find 0 implicit places.
[2023-03-19 02:04:03] [INFO ] Redundant transitions in 640 ms returned []
[2023-03-19 02:04:03] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:04:03] [INFO ] Invariant cache hit.
[2023-03-19 02:04:05] [INFO ] Dead Transitions using invariants and state equation in 1859 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9800 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s14 1) (GEQ s261 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 360 ms.
Stack based approach found an accepted trace after 56 steps with 0 reset with depth 57 and stack size 57 in 1 ms.
FORMULA Szymanski-PT-b06-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-08 finished in 10253 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' '!(G((F((p0&&X(p1)))&&F(!p1))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 63 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:04:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:04:06] [INFO ] Invariant cache hit.
[2023-03-19 02:04:06] [INFO ] Implicit Places using invariants in 407 ms returned []
[2023-03-19 02:04:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:04:06] [INFO ] Invariant cache hit.
[2023-03-19 02:04:07] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:04:14] [INFO ] Implicit Places using invariants and state equation in 7795 ms returned []
Implicit Place search using SMT with State Equation took 8204 ms to find 0 implicit places.
[2023-03-19 02:04:14] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:04:14] [INFO ] Invariant cache hit.
[2023-03-19 02:04:16] [INFO ] Dead Transitions using invariants and state equation in 1802 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10070 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 219 ms :[true, (OR (NOT p0) (NOT p1)), p1, (NOT p1)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}, { cond=p0, acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 3}], [{ cond=p1, acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (LT s15 1) (LT s269 1)), p1:(OR (LT s29 1) (LT s304 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 175 steps with 0 reset in 3 ms.
FORMULA Szymanski-PT-b06-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-10 finished in 10327 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(X(X(G(p0))))))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 53 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:04:16] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:04:16] [INFO ] Invariant cache hit.
[2023-03-19 02:04:17] [INFO ] Implicit Places using invariants in 406 ms returned []
[2023-03-19 02:04:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:04:17] [INFO ] Invariant cache hit.
[2023-03-19 02:04:17] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:04:23] [INFO ] Implicit Places using invariants and state equation in 6788 ms returned []
Implicit Place search using SMT with State Equation took 7208 ms to find 0 implicit places.
[2023-03-19 02:04:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:04:23] [INFO ] Invariant cache hit.
[2023-03-19 02:04:25] [INFO ] Dead Transitions using invariants and state equation in 1786 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9049 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 171 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(OR (LT s16 1) (LT s282 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 2 reset in 357 ms.
Product exploration explored 100000 steps with 8 reset in 386 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 82 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10005 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 202002 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :{}
Probabilistic random walk after 202002 steps, saw 95130 distinct states, run finished after 3002 ms. (steps per millisecond=67 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:04:29] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:04:29] [INFO ] Invariant cache hit.
[2023-03-19 02:04:29] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:04:31] [INFO ] After 1529ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:04:31] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:04:32] [INFO ] After 1229ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:04:32] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:04:39] [INFO ] After 6652ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:04:40] [INFO ] After 7435ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2441 ms.
[2023-03-19 02:04:42] [INFO ] After 11162ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 216296 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :{}
Probabilistic random walk after 216296 steps, saw 88481 distinct states, run finished after 3001 ms. (steps per millisecond=72 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:04:45] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 02:04:45] [INFO ] Computed 1 place invariants in 18 ms
[2023-03-19 02:04:45] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:04:47] [INFO ] After 1598ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:04:47] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:04:49] [INFO ] After 1713ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:04:49] [INFO ] After 3391ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:04:49] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:04:50] [INFO ] After 1350ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:04:59] [INFO ] After 9061ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 02:04:59] [INFO ] After 10467ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 9 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 178 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 02:05:00] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:05:00] [INFO ] Invariant cache hit.
[2023-03-19 02:05:00] [INFO ] Implicit Places using invariants in 405 ms returned []
[2023-03-19 02:05:00] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:05:00] [INFO ] Invariant cache hit.
[2023-03-19 02:05:00] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:05:07] [INFO ] Implicit Places using invariants and state equation in 7171 ms returned []
Implicit Place search using SMT with State Equation took 7581 ms to find 0 implicit places.
[2023-03-19 02:05:08] [INFO ] Redundant transitions in 662 ms returned []
[2023-03-19 02:05:08] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:05:08] [INFO ] Invariant cache hit.
[2023-03-19 02:05:10] [INFO ] Dead Transitions using invariants and state equation in 1810 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10247 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 4 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2367
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2366
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1950
Applied a total of 420 rules in 214 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 02:05:10] [INFO ] Computed 1 place invariants in 9 ms
[2023-03-19 02:05:10] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:05:11] [INFO ] After 605ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:05:11] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 02:05:11] [INFO ] After 236ms SMT Verify possible using 504 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:05:11] [INFO ] After 931ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:05:11] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:05:11] [INFO ] After 607ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:05:14] [INFO ] After 2552ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:05:14] [INFO ] After 2649ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 67 ms.
[2023-03-19 02:05:14] [INFO ] After 3377ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 93 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 185 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 195 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 30 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:05:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:05:15] [INFO ] Computed 1 place invariants in 23 ms
[2023-03-19 02:05:15] [INFO ] Implicit Places using invariants in 419 ms returned []
[2023-03-19 02:05:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:05:15] [INFO ] Invariant cache hit.
[2023-03-19 02:05:16] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:05:21] [INFO ] Implicit Places using invariants and state equation in 6175 ms returned []
Implicit Place search using SMT with State Equation took 6596 ms to find 0 implicit places.
[2023-03-19 02:05:21] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:05:21] [INFO ] Invariant cache hit.
[2023-03-19 02:05:23] [INFO ] Dead Transitions using invariants and state equation in 1792 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8418 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 72 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10003 steps, including 5 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 206415 steps, run timeout after 3001 ms. (steps per millisecond=68 ) properties seen :{}
Probabilistic random walk after 206415 steps, saw 95765 distinct states, run finished after 3001 ms. (steps per millisecond=68 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:05:26] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:05:26] [INFO ] Invariant cache hit.
[2023-03-19 02:05:26] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:05:28] [INFO ] After 1532ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:05:28] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:05:29] [INFO ] After 1233ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:05:29] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:05:36] [INFO ] After 6665ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:05:37] [INFO ] After 7447ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2427 ms.
[2023-03-19 02:05:39] [INFO ] After 11171ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10004 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 218345 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :{}
Probabilistic random walk after 218345 steps, saw 88689 distinct states, run finished after 3001 ms. (steps per millisecond=72 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:05:42] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 02:05:42] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 02:05:42] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:05:44] [INFO ] After 1563ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:05:44] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:05:46] [INFO ] After 1696ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:05:46] [INFO ] After 3322ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:05:46] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:05:47] [INFO ] After 1349ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:05:56] [INFO ] After 9067ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 02:05:56] [INFO ] After 10476ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 182 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 179 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 02:05:57] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:05:57] [INFO ] Invariant cache hit.
[2023-03-19 02:05:57] [INFO ] Implicit Places using invariants in 406 ms returned []
[2023-03-19 02:05:57] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:05:57] [INFO ] Invariant cache hit.
[2023-03-19 02:05:57] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:06:03] [INFO ] Implicit Places using invariants and state equation in 5717 ms returned []
Implicit Place search using SMT with State Equation took 6125 ms to find 0 implicit places.
[2023-03-19 02:06:03] [INFO ] Redundant transitions in 625 ms returned []
[2023-03-19 02:06:03] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:06:03] [INFO ] Invariant cache hit.
[2023-03-19 02:06:05] [INFO ] Dead Transitions using invariants and state equation in 1741 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8677 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 1 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2367
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2366
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1950
Applied a total of 420 rules in 131 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 02:06:05] [INFO ] Computed 1 place invariants in 17 ms
[2023-03-19 02:06:05] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:06:06] [INFO ] After 614ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:06:06] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 02:06:06] [INFO ] After 243ms SMT Verify possible using 504 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:06:06] [INFO ] After 914ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:06:06] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:06:07] [INFO ] After 609ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:06:09] [INFO ] After 2558ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:06:09] [INFO ] After 2651ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 69 ms.
[2023-03-19 02:06:10] [INFO ] After 3396ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 70 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 180 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 167 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 8 reset in 377 ms.
Product exploration explored 100000 steps with 9 reset in 404 ms.
Applying partial POR strategy [true, true, false, false, false, false]
Stuttering acceptance computed with spot in 189 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 213 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:06:12] [INFO ] Redundant transitions in 698 ms returned []
[2023-03-19 02:06:12] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:06:12] [INFO ] Computed 1 place invariants in 20 ms
[2023-03-19 02:06:14] [INFO ] Dead Transitions using invariants and state equation in 1839 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2761 ms. Remains : 305/305 places, 7936/7936 transitions.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 29 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:06:14] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:14] [INFO ] Invariant cache hit.
[2023-03-19 02:06:14] [INFO ] Implicit Places using invariants in 404 ms returned []
[2023-03-19 02:06:14] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:14] [INFO ] Invariant cache hit.
[2023-03-19 02:06:15] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:06:21] [INFO ] Implicit Places using invariants and state equation in 6605 ms returned []
Implicit Place search using SMT with State Equation took 7010 ms to find 0 implicit places.
[2023-03-19 02:06:21] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:21] [INFO ] Invariant cache hit.
[2023-03-19 02:06:23] [INFO ] Dead Transitions using invariants and state equation in 1827 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8866 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b06-LTLFireability-12 finished in 127196 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((F(p0)||(p1 U p2)||G(p3))))'
Support contains 8 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 46 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:06:23] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:23] [INFO ] Invariant cache hit.
[2023-03-19 02:06:24] [INFO ] Implicit Places using invariants in 400 ms returned []
[2023-03-19 02:06:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:24] [INFO ] Invariant cache hit.
[2023-03-19 02:06:24] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:06:30] [INFO ] Implicit Places using invariants and state equation in 6743 ms returned []
Implicit Place search using SMT with State Equation took 7149 ms to find 0 implicit places.
[2023-03-19 02:06:30] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:30] [INFO ] Invariant cache hit.
[2023-03-19 02:06:32] [INFO ] Dead Transitions using invariants and state equation in 1814 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9012 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 183 ms :[(NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) (NOT p2) p1 (NOT p3)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p0) (NOT p2) p1 p3), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p0) (NOT p2) (NOT p1) p3), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p0) (NOT p3)), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p0) p3), acceptance={} source=4 dest: 4}]], initial=2, aps=[p0:(OR (LT s99 1) (LT s257 1)), p2:(AND (GEQ s40 1) (GEQ s259 1)), p1:(AND (GEQ s74 1) (GEQ s262 1)), p3:(AND (GEQ s106 1) (GEQ s265 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 797 ms.
Product exploration explored 100000 steps with 50000 reset in 756 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 (NOT p2) (NOT p1) (NOT p3)), (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3)))), (X (NOT (AND (NOT p0) (NOT p2) p1 p3))), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) p3))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) (NOT p3))))), (X (X (NOT (AND (NOT p0) p3)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1 p3)))), (X (X (NOT (AND (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1) p3)))), (X (X (NOT (AND (NOT p0) (NOT p2) p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p0))
Knowledge based reduction with 14 factoid took 242 ms. Reduced automaton from 5 states, 10 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Szymanski-PT-b06-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Szymanski-PT-b06-LTLFireability-13 finished in 11046 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)))'
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 52 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:06:34] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:34] [INFO ] Invariant cache hit.
[2023-03-19 02:06:35] [INFO ] Implicit Places using invariants in 415 ms returned []
[2023-03-19 02:06:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:35] [INFO ] Invariant cache hit.
[2023-03-19 02:06:35] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:06:43] [INFO ] Implicit Places using invariants and state equation in 8050 ms returned []
Implicit Place search using SMT with State Equation took 8465 ms to find 0 implicit places.
[2023-03-19 02:06:43] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:43] [INFO ] Invariant cache hit.
[2023-03-19 02:06:45] [INFO ] Dead Transitions using invariants and state equation in 1840 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10359 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 68 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (LT s76 1) (LT s260 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 41 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-b06-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b06-LTLFireability-14 finished in 10450 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' '!(F(G((X(p1)||p0))))'
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 50 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:06:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:45] [INFO ] Invariant cache hit.
[2023-03-19 02:06:45] [INFO ] Implicit Places using invariants in 408 ms returned []
[2023-03-19 02:06:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:45] [INFO ] Invariant cache hit.
[2023-03-19 02:06:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:06:53] [INFO ] Implicit Places using invariants and state equation in 7474 ms returned []
Implicit Place search using SMT with State Equation took 7884 ms to find 0 implicit places.
[2023-03-19 02:06:53] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:53] [INFO ] Invariant cache hit.
[2023-03-19 02:06:55] [INFO ] Dead Transitions using invariants and state equation in 1800 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9735 ms. Remains : 305/306 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 53 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p0:(OR (LT s34 1) (LT s268 1)), p1:(OR (LT s59 1) (LT s302 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 3 reset in 390 ms.
Product exploration explored 100000 steps with 0 reset in 363 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 472 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 62 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10004 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 5) seen :3
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-19 02:06:56] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:06:56] [INFO ] Invariant cache hit.
[2023-03-19 02:06:56] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:06:57] [INFO ] After 551ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-19 02:06:57] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:06:59] [INFO ] After 2089ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-19 02:06:59] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:07:01] [INFO ] After 2663ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-19 02:07:04] [INFO ] After 5149ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 9063 ms.
[2023-03-19 02:07:13] [INFO ] After 16364ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 17 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 187 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 214857 steps, run timeout after 3001 ms. (steps per millisecond=71 ) properties seen :{}
Probabilistic random walk after 214857 steps, saw 91035 distinct states, run finished after 3003 ms. (steps per millisecond=71 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:07:16] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 02:07:16] [INFO ] Computed 2 place invariants in 17 ms
[2023-03-19 02:07:16] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-19 02:07:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2023-03-19 02:07:17] [INFO ] After 1230ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:07:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:07:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:07:19] [INFO ] After 1614ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:07:19] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:07:22] [INFO ] After 2630ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:07:25] [INFO ] After 5775ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1004 ms.
[2023-03-19 02:07:26] [INFO ] After 8452ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 181 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 182 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 02:07:26] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:07:26] [INFO ] Invariant cache hit.
[2023-03-19 02:07:27] [INFO ] Implicit Places using invariants in 431 ms returned []
[2023-03-19 02:07:27] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:07:27] [INFO ] Invariant cache hit.
[2023-03-19 02:07:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:07:31] [INFO ] Implicit Places using invariants and state equation in 4665 ms returned []
Implicit Place search using SMT with State Equation took 5099 ms to find 0 implicit places.
[2023-03-19 02:07:32] [INFO ] Redundant transitions in 696 ms returned []
[2023-03-19 02:07:32] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:07:32] [INFO ] Invariant cache hit.
[2023-03-19 02:07:34] [INFO ] Dead Transitions using invariants and state equation in 1833 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7818 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4808 edges and 305 vertex of which 26 / 305 are part of one of the 5 SCC in 1 ms
Free SCC test removed 21 places
Drop transitions removed 2656 transitions
Ensure Unique test removed 2771 transitions
Reduce isomorphic transitions removed 5427 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 284 transition count 2382
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 283 transition count 2381
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 282 transition count 2380
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 6 place count 282 transition count 2378
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 10 place count 280 transition count 2378
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 14 place count 278 transition count 2376
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 15 place count 278 transition count 2375
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 15 place count 278 transition count 2374
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 17 place count 277 transition count 2374
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 18 place count 277 transition count 2373
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 19 place count 276 transition count 2373
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 20 place count 276 transition count 2373
Applied a total of 20 rules in 212 ms. Remains 276 /305 variables (removed 29) and now considering 2373/7810 (removed 5437) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 2373 rows 276 cols
[2023-03-19 02:07:34] [INFO ] Computed 2 place invariants in 17 ms
[2023-03-19 02:07:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:07:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:07:35] [INFO ] After 650ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:07:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:07:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:07:36] [INFO ] After 1027ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:07:36] [INFO ] State equation strengthened by 224 read => feed constraints.
[2023-03-19 02:07:36] [INFO ] After 470ms SMT Verify possible using 224 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:07:37] [INFO ] After 1190ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1069 ms.
[2023-03-19 02:07:38] [INFO ] After 3352ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (G (NOT (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F (AND p1 (NOT p0))), (F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 12 factoid took 496 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 80 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 66 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 28 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:07:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:07:39] [INFO ] Computed 1 place invariants in 25 ms
[2023-03-19 02:07:39] [INFO ] Implicit Places using invariants in 439 ms returned []
[2023-03-19 02:07:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:07:39] [INFO ] Invariant cache hit.
[2023-03-19 02:07:40] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:07:46] [INFO ] Implicit Places using invariants and state equation in 7045 ms returned []
Implicit Place search using SMT with State Equation took 7486 ms to find 0 implicit places.
[2023-03-19 02:07:46] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:07:46] [INFO ] Invariant cache hit.
[2023-03-19 02:07:48] [INFO ] Dead Transitions using invariants and state equation in 1816 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9333 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p1), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 300 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 73 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10001 steps, including 3 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:07:49] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:07:49] [INFO ] Invariant cache hit.
[2023-03-19 02:07:49] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:07:50] [INFO ] After 883ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:07:50] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:07:51] [INFO ] After 1294ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:07:51] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:07:52] [INFO ] After 1598ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:07:53] [INFO ] After 1769ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 327 ms.
[2023-03-19 02:07:53] [INFO ] After 3449ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 185 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 305/305 places, 7809/7936 transitions.
Incomplete random walk after 10003 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 220092 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :{}
Probabilistic random walk after 220092 steps, saw 88887 distinct states, run finished after 3001 ms. (steps per millisecond=73 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:07:56] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2023-03-19 02:07:56] [INFO ] Computed 2 place invariants in 22 ms
[2023-03-19 02:07:56] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 02:07:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:07:57] [INFO ] After 888ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:07:57] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:07:59] [INFO ] After 1669ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:07:59] [INFO ] After 2621ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:07:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:07:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:08:00] [INFO ] After 789ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:08:09] [INFO ] After 9073ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 02:08:09] [INFO ] After 9924ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 19 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2023-03-19 02:08:09] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 02:08:09] [INFO ] Invariant cache hit.
[2023-03-19 02:08:10] [INFO ] Implicit Places using invariants in 423 ms returned []
[2023-03-19 02:08:10] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 02:08:10] [INFO ] Invariant cache hit.
[2023-03-19 02:08:10] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:08:18] [INFO ] Implicit Places using invariants and state equation in 8101 ms returned []
Implicit Place search using SMT with State Equation took 8526 ms to find 0 implicit places.
[2023-03-19 02:08:18] [INFO ] Redundant transitions in 671 ms returned []
[2023-03-19 02:08:18] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 02:08:18] [INFO ] Invariant cache hit.
[2023-03-19 02:08:20] [INFO ] Dead Transitions using invariants and state equation in 1802 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11188 ms. Remains : 305/305 places, 7809/7809 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2366
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2365
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1949
Applied a total of 420 rules in 123 ms. Remains 270 /305 variables (removed 35) and now considering 1949/7809 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1949 rows 270 cols
[2023-03-19 02:08:20] [INFO ] Computed 2 place invariants in 18 ms
[2023-03-19 02:08:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:08:20] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:08:21] [INFO ] After 470ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:08:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 02:08:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 02:08:21] [INFO ] After 501ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:08:21] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 02:08:22] [INFO ] After 891ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:08:23] [INFO ] After 1141ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 190 ms.
[2023-03-19 02:08:23] [INFO ] After 1888ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p1), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 7 factoid took 299 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 60 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 83 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 2 reset in 366 ms.
Product exploration explored 100000 steps with 3 reset in 362 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 27 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:08:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:08:24] [INFO ] Computed 1 place invariants in 21 ms
[2023-03-19 02:08:24] [INFO ] Implicit Places using invariants in 424 ms returned []
[2023-03-19 02:08:25] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:08:25] [INFO ] Invariant cache hit.
[2023-03-19 02:08:25] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:08:32] [INFO ] Implicit Places using invariants and state equation in 7208 ms returned []
Implicit Place search using SMT with State Equation took 7635 ms to find 0 implicit places.
[2023-03-19 02:08:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:08:32] [INFO ] Invariant cache hit.
[2023-03-19 02:08:34] [INFO ] Dead Transitions using invariants and state equation in 1795 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9457 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b06-LTLFireability-15 finished in 109029 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(X(X(G(p0))))))'
Found a Lengthening insensitive property : Szymanski-PT-b06-LTLFireability-12
Stuttering acceptance computed with spot in 161 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 306 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 78 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:08:34] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:08:34] [INFO ] Invariant cache hit.
[2023-03-19 02:08:35] [INFO ] Implicit Places using invariants in 415 ms returned []
[2023-03-19 02:08:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:08:35] [INFO ] Invariant cache hit.
[2023-03-19 02:08:35] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:08:41] [INFO ] Implicit Places using invariants and state equation in 6523 ms returned []
Implicit Place search using SMT with State Equation took 6940 ms to find 0 implicit places.
[2023-03-19 02:08:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:08:41] [INFO ] Invariant cache hit.
[2023-03-19 02:08:43] [INFO ] Dead Transitions using invariants and state equation in 1747 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 8767 ms. Remains : 305/306 places, 7936/8064 transitions.
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(OR (LT s16 1) (LT s282 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 2 reset in 396 ms.
Product exploration explored 100000 steps with 3 reset in 363 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 67 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 153 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10004 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 203525 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :{}
Probabilistic random walk after 203525 steps, saw 95542 distinct states, run finished after 3001 ms. (steps per millisecond=67 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:08:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:08:47] [INFO ] Invariant cache hit.
[2023-03-19 02:08:47] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:08:48] [INFO ] After 1509ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:08:48] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:08:50] [INFO ] After 1225ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:08:50] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:08:56] [INFO ] After 6513ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:08:57] [INFO ] After 7273ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2378 ms.
[2023-03-19 02:08:59] [INFO ] After 10936ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 194 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10005 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=667 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 220340 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :{}
Probabilistic random walk after 220340 steps, saw 88937 distinct states, run finished after 3001 ms. (steps per millisecond=73 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:09:03] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 02:09:03] [INFO ] Computed 1 place invariants in 18 ms
[2023-03-19 02:09:03] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:09:04] [INFO ] After 1551ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:09:04] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:09:06] [INFO ] After 1671ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:09:06] [INFO ] After 3278ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:09:06] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:09:07] [INFO ] After 1329ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:09:16] [INFO ] After 9072ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 02:09:16] [INFO ] After 10464ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 176 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 176 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 02:09:17] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:09:17] [INFO ] Invariant cache hit.
[2023-03-19 02:09:17] [INFO ] Implicit Places using invariants in 396 ms returned []
[2023-03-19 02:09:17] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:09:17] [INFO ] Invariant cache hit.
[2023-03-19 02:09:17] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:09:24] [INFO ] Implicit Places using invariants and state equation in 7052 ms returned []
Implicit Place search using SMT with State Equation took 7450 ms to find 0 implicit places.
[2023-03-19 02:09:25] [INFO ] Redundant transitions in 672 ms returned []
[2023-03-19 02:09:25] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:09:25] [INFO ] Invariant cache hit.
[2023-03-19 02:09:27] [INFO ] Dead Transitions using invariants and state equation in 1811 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10115 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2367
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2366
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1950
Applied a total of 420 rules in 124 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 02:09:27] [INFO ] Computed 1 place invariants in 13 ms
[2023-03-19 02:09:27] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:09:27] [INFO ] After 632ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:09:27] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 02:09:28] [INFO ] After 257ms SMT Verify possible using 504 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:09:28] [INFO ] After 964ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:09:28] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:09:28] [INFO ] After 621ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:09:31] [INFO ] After 2583ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:09:31] [INFO ] After 2683ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 70 ms.
[2023-03-19 02:09:31] [INFO ] After 3430ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 70 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 170 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 29 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:09:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:09:32] [INFO ] Computed 1 place invariants in 18 ms
[2023-03-19 02:09:32] [INFO ] Implicit Places using invariants in 430 ms returned []
[2023-03-19 02:09:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:09:32] [INFO ] Invariant cache hit.
[2023-03-19 02:09:33] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:09:39] [INFO ] Implicit Places using invariants and state equation in 7390 ms returned []
Implicit Place search using SMT with State Equation took 7822 ms to find 0 implicit places.
[2023-03-19 02:09:39] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:09:39] [INFO ] Invariant cache hit.
[2023-03-19 02:09:41] [INFO ] Dead Transitions using invariants and state equation in 1807 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9660 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 76 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10004 steps, including 3 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 208462 steps, run timeout after 3001 ms. (steps per millisecond=69 ) properties seen :{}
Probabilistic random walk after 208462 steps, saw 96078 distinct states, run finished after 3002 ms. (steps per millisecond=69 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:09:45] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:09:45] [INFO ] Invariant cache hit.
[2023-03-19 02:09:45] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:09:46] [INFO ] After 1510ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:09:46] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:09:47] [INFO ] After 1205ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:09:47] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:09:54] [INFO ] After 6505ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:09:55] [INFO ] After 7267ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2379 ms.
[2023-03-19 02:09:57] [INFO ] After 10909ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 184 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 220484 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :{}
Probabilistic random walk after 220484 steps, saw 88960 distinct states, run finished after 3001 ms. (steps per millisecond=73 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:10:00] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 02:10:00] [INFO ] Computed 1 place invariants in 19 ms
[2023-03-19 02:10:00] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:10:02] [INFO ] After 1544ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:10:02] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:10:03] [INFO ] After 1672ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:10:03] [INFO ] After 3268ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:10:04] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:10:05] [INFO ] After 1319ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:10:14] [INFO ] After 9067ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 02:10:14] [INFO ] After 10435ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 6 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 182 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 02:10:14] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:10:14] [INFO ] Invariant cache hit.
[2023-03-19 02:10:15] [INFO ] Implicit Places using invariants in 397 ms returned []
[2023-03-19 02:10:15] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:10:15] [INFO ] Invariant cache hit.
[2023-03-19 02:10:15] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:10:21] [INFO ] Implicit Places using invariants and state equation in 6178 ms returned []
Implicit Place search using SMT with State Equation took 6577 ms to find 0 implicit places.
[2023-03-19 02:10:21] [INFO ] Redundant transitions in 629 ms returned []
[2023-03-19 02:10:21] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:10:21] [INFO ] Invariant cache hit.
[2023-03-19 02:10:23] [INFO ] Dead Transitions using invariants and state equation in 1752 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9149 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2367
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2366
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1950
Applied a total of 420 rules in 119 ms. Remains 270 /305 variables (removed 35) and now considering 1950/7810 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1950 rows 270 cols
[2023-03-19 02:10:23] [INFO ] Computed 1 place invariants in 17 ms
[2023-03-19 02:10:23] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:10:24] [INFO ] After 611ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:10:24] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 02:10:24] [INFO ] After 235ms SMT Verify possible using 504 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:10:24] [INFO ] After 905ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:10:24] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-19 02:10:25] [INFO ] After 606ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:10:27] [INFO ] After 2537ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:10:28] [INFO ] After 2646ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 66 ms.
[2023-03-19 02:10:28] [INFO ] After 3370ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 78 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 6 states, 7 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 160 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 154 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1 reset in 350 ms.
Product exploration explored 100000 steps with 1 reset in 354 ms.
Applying partial POR strategy [true, true, false, false, false, false]
Stuttering acceptance computed with spot in 157 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 186 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:10:30] [INFO ] Redundant transitions in 640 ms returned []
[2023-03-19 02:10:30] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:10:30] [INFO ] Computed 1 place invariants in 20 ms
[2023-03-19 02:10:32] [INFO ] Dead Transitions using invariants and state equation in 1881 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2718 ms. Remains : 305/305 places, 7936/7936 transitions.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 27 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:10:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:10:32] [INFO ] Invariant cache hit.
[2023-03-19 02:10:32] [INFO ] Implicit Places using invariants in 393 ms returned []
[2023-03-19 02:10:32] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:10:32] [INFO ] Invariant cache hit.
[2023-03-19 02:10:33] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:10:38] [INFO ] Implicit Places using invariants and state equation in 6031 ms returned []
Implicit Place search using SMT with State Equation took 6427 ms to find 0 implicit places.
[2023-03-19 02:10:38] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:10:38] [INFO ] Invariant cache hit.
[2023-03-19 02:10:40] [INFO ] Dead Transitions using invariants and state equation in 1802 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8257 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b06-LTLFireability-12 finished in 126526 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' '!(F(G((X(p1)||p0))))'
Found a Lengthening insensitive property : Szymanski-PT-b06-LTLFireability-15
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 306 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 306/306 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 305 transition count 7936
Applied a total of 2 rules in 70 ms. Remains 305 /306 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2023-03-19 02:10:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:10:41] [INFO ] Invariant cache hit.
[2023-03-19 02:10:41] [INFO ] Implicit Places using invariants in 388 ms returned []
[2023-03-19 02:10:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:10:41] [INFO ] Invariant cache hit.
[2023-03-19 02:10:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:10:49] [INFO ] Implicit Places using invariants and state equation in 8189 ms returned []
Implicit Place search using SMT with State Equation took 8578 ms to find 0 implicit places.
[2023-03-19 02:10:49] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:10:49] [INFO ] Invariant cache hit.
[2023-03-19 02:10:51] [INFO ] Dead Transitions using invariants and state equation in 1768 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 305/306 places, 7936/8064 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 10418 ms. Remains : 305/306 places, 7936/8064 transitions.
Running random walk in product with property : Szymanski-PT-b06-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p0:(OR (LT s34 1) (LT s268 1)), p1:(OR (LT s59 1) (LT s302 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, sl-invariant], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 7 reset in 383 ms.
Product exploration explored 100000 steps with 3 reset in 395 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 354 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 52 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10002 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 5) seen :3
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-19 02:10:52] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:10:52] [INFO ] Invariant cache hit.
[2023-03-19 02:10:52] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:10:53] [INFO ] After 524ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-19 02:10:53] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:10:55] [INFO ] After 1968ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-19 02:10:55] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:10:57] [INFO ] After 2548ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-19 02:11:00] [INFO ] After 4886ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 9019 ms.
[2023-03-19 02:11:09] [INFO ] After 15930ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 16 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 126 transitions
Reduce isomorphic transitions removed 126 transitions.
Iterating post reduction 0 with 126 rules applied. Total rules applied 126 place count 305 transition count 7810
Applied a total of 126 rules in 182 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7936 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 305/305 places, 7810/7936 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 219802 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :{}
Probabilistic random walk after 219802 steps, saw 91784 distinct states, run finished after 3001 ms. (steps per millisecond=73 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:11:12] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
// Phase 1: matrix 2606 rows 305 cols
[2023-03-19 02:11:12] [INFO ] Computed 2 place invariants in 25 ms
[2023-03-19 02:11:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:11:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-19 02:11:13] [INFO ] After 1159ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:11:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 02:11:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:11:15] [INFO ] After 1520ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:11:15] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:11:17] [INFO ] After 2485ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:11:20] [INFO ] After 5434ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 951 ms.
[2023-03-19 02:11:21] [INFO ] After 7970ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 9 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 175 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 176 ms. Remains : 305/305 places, 7810/7810 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7810/7810 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7810/7810 (removed 0) transitions.
[2023-03-19 02:11:21] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:11:21] [INFO ] Invariant cache hit.
[2023-03-19 02:11:22] [INFO ] Implicit Places using invariants in 424 ms returned []
[2023-03-19 02:11:22] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:11:22] [INFO ] Invariant cache hit.
[2023-03-19 02:11:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:11:27] [INFO ] Implicit Places using invariants and state equation in 5266 ms returned []
Implicit Place search using SMT with State Equation took 5704 ms to find 0 implicit places.
[2023-03-19 02:11:28] [INFO ] Redundant transitions in 633 ms returned []
[2023-03-19 02:11:28] [INFO ] Flow matrix only has 2606 transitions (discarded 5204 similar events)
[2023-03-19 02:11:28] [INFO ] Invariant cache hit.
[2023-03-19 02:11:30] [INFO ] Dead Transitions using invariants and state equation in 1846 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8367 ms. Remains : 305/305 places, 7810/7810 transitions.
Graph (trivial) has 4808 edges and 305 vertex of which 26 / 305 are part of one of the 5 SCC in 1 ms
Free SCC test removed 21 places
Drop transitions removed 2656 transitions
Ensure Unique test removed 2771 transitions
Reduce isomorphic transitions removed 5427 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 284 transition count 2382
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 283 transition count 2381
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 6 place count 282 transition count 2380
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 6 place count 282 transition count 2378
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 10 place count 280 transition count 2378
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 14 place count 278 transition count 2376
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 15 place count 278 transition count 2375
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 15 place count 278 transition count 2374
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 17 place count 277 transition count 2374
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 18 place count 277 transition count 2373
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 19 place count 276 transition count 2373
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 20 place count 276 transition count 2373
Applied a total of 20 rules in 201 ms. Remains 276 /305 variables (removed 29) and now considering 2373/7810 (removed 5437) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 2373 rows 276 cols
[2023-03-19 02:11:30] [INFO ] Computed 2 place invariants in 17 ms
[2023-03-19 02:11:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:11:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:11:30] [INFO ] After 652ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:11:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 02:11:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:11:32] [INFO ] After 1019ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:11:32] [INFO ] State equation strengthened by 224 read => feed constraints.
[2023-03-19 02:11:32] [INFO ] After 464ms SMT Verify possible using 224 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:11:33] [INFO ] After 1158ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 1039 ms.
[2023-03-19 02:11:34] [INFO ] After 3284ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (X (AND p0 p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (G (NOT (AND (NOT p1) (NOT p0))))]
False Knowledge obtained : [(F (AND p1 (NOT p0))), (F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 12 factoid took 470 ms. Reduced automaton from 2 states, 6 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 69 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 26 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:11:34] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:11:34] [INFO ] Computed 1 place invariants in 22 ms
[2023-03-19 02:11:35] [INFO ] Implicit Places using invariants in 439 ms returned []
[2023-03-19 02:11:35] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:11:35] [INFO ] Invariant cache hit.
[2023-03-19 02:11:35] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:11:41] [INFO ] Implicit Places using invariants and state equation in 6607 ms returned []
Implicit Place search using SMT with State Equation took 7048 ms to find 0 implicit places.
[2023-03-19 02:11:41] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:11:41] [INFO ] Invariant cache hit.
[2023-03-19 02:11:43] [INFO ] Dead Transitions using invariants and state equation in 1817 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8892 ms. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p1), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 244 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 71 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:11:44] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:11:44] [INFO ] Invariant cache hit.
[2023-03-19 02:11:44] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:11:45] [INFO ] After 841ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:11:45] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:11:46] [INFO ] After 1280ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:11:46] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:11:47] [INFO ] After 1585ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:11:48] [INFO ] After 1759ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 332 ms.
[2023-03-19 02:11:48] [INFO ] After 3460ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 180 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 305/305 places, 7809/7936 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 219255 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :{}
Probabilistic random walk after 219255 steps, saw 88796 distinct states, run finished after 3001 ms. (steps per millisecond=73 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-19 02:11:51] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2023-03-19 02:11:51] [INFO ] Computed 2 place invariants in 18 ms
[2023-03-19 02:11:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:11:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:11:52] [INFO ] After 883ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-19 02:11:52] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:11:54] [INFO ] After 1643ms SMT Verify possible using 147 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:11:54] [INFO ] After 2590ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:11:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-19 02:11:54] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:11:55] [INFO ] After 779ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:12:04] [INFO ] After 9063ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-19 02:12:04] [INFO ] After 9893ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 25 ms.
Support contains 2 out of 305 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 177 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2023-03-19 02:12:04] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 02:12:04] [INFO ] Invariant cache hit.
[2023-03-19 02:12:05] [INFO ] Implicit Places using invariants in 429 ms returned []
[2023-03-19 02:12:05] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 02:12:05] [INFO ] Invariant cache hit.
[2023-03-19 02:12:05] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:12:11] [INFO ] Implicit Places using invariants and state equation in 6376 ms returned []
Implicit Place search using SMT with State Equation took 6806 ms to find 0 implicit places.
[2023-03-19 02:12:12] [INFO ] Redundant transitions in 658 ms returned []
[2023-03-19 02:12:12] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
[2023-03-19 02:12:12] [INFO ] Invariant cache hit.
[2023-03-19 02:12:13] [INFO ] Dead Transitions using invariants and state equation in 1768 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9420 ms. Remains : 305/305 places, 7809/7809 transitions.
Graph (trivial) has 4944 edges and 305 vertex of which 36 / 305 are part of one of the 2 SCC in 0 ms
Free SCC test removed 34 places
Drop transitions removed 3816 transitions
Ensure Unique test removed 1626 transitions
Reduce isomorphic transitions removed 5442 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 271 transition count 2366
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 270 transition count 2365
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 2 with 416 rules applied. Total rules applied 420 place count 270 transition count 1949
Applied a total of 420 rules in 121 ms. Remains 270 /305 variables (removed 35) and now considering 1949/7809 (removed 5860) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1949 rows 270 cols
[2023-03-19 02:12:14] [INFO ] Computed 2 place invariants in 17 ms
[2023-03-19 02:12:14] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 02:12:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-19 02:12:14] [INFO ] After 465ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-19 02:12:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-19 02:12:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-19 02:12:15] [INFO ] After 506ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-19 02:12:15] [INFO ] State equation strengthened by 504 read => feed constraints.
[2023-03-19 02:12:15] [INFO ] After 866ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-19 02:12:16] [INFO ] After 1109ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 181 ms.
[2023-03-19 02:12:16] [INFO ] After 1856ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p0 p1), (X (AND p0 p1)), (X p1), (X p0), (X (X (AND p0 p1))), (X (X p1)), (X (X p0))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND p1 p0)))]
Knowledge based reduction with 7 factoid took 285 ms. Reduced automaton from 2 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 60 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 55 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 390 ms.
Product exploration explored 100000 steps with 8 reset in 360 ms.
Support contains 4 out of 305 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 31 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2023-03-19 02:12:17] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2023-03-19 02:12:17] [INFO ] Computed 1 place invariants in 13 ms
[2023-03-19 02:12:18] [INFO ] Implicit Places using invariants in 424 ms returned []
[2023-03-19 02:12:18] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:12:18] [INFO ] Invariant cache hit.
[2023-03-19 02:12:18] [INFO ] State equation strengthened by 147 read => feed constraints.
[2023-03-19 02:12:24] [INFO ] Implicit Places using invariants and state equation in 6142 ms returned []
Implicit Place search using SMT with State Equation took 6569 ms to find 0 implicit places.
[2023-03-19 02:12:24] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
[2023-03-19 02:12:24] [INFO ] Invariant cache hit.
[2023-03-19 02:12:26] [INFO ] Dead Transitions using invariants and state equation in 1815 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8419 ms. Remains : 305/305 places, 7936/7936 transitions.
Treatment of property Szymanski-PT-b06-LTLFireability-15 finished in 105413 ms.
[2023-03-19 02:12:26] [INFO ] Flatten gal took : 204 ms
[2023-03-19 02:12:26] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-19 02:12:26] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 306 places, 8064 transitions and 32128 arcs took 42 ms.
Total runtime 689985 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT Szymanski-PT-b06
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLFireability

BK_STOP 1679192087859

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/LTLFireability.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 1.000000 secs.
lola: Created skeleton in 0.000000 secs.
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Szymanski-PT-b06-LTLFireability-12: LTL unknown AGGR
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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="Szymanski-PT-b06"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is Szymanski-PT-b06, 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 r487-tall-167912703100468"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b06.tgz
mv Szymanski-PT-b06 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 ;