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.r327-tall-167889199100060.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is RERS17pb113-PT-8, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r327-tall-167889199100060
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 5.8K Feb 26 18:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Feb 26 18:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 18:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Feb 26 18:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 16:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 26 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 192K Feb 26 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 26 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 15M 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 RERS17pb113-PT-8-LTLFireability-00
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-01
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-02
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-03
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-04
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-05
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-06
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-07
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-08
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-09
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-10
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-11
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-12
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-13
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-14
FORMULA_NAME RERS17pb113-PT-8-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678947940606

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=RERS17pb113-PT-8
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 06:25:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-16 06:25:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 06:25:42] [INFO ] Load time of PNML (sax parser for PT used): 625 ms
[2023-03-16 06:25:42] [INFO ] Transformed 639 places.
[2023-03-16 06:25:43] [INFO ] Transformed 31353 transitions.
[2023-03-16 06:25:43] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 827 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA RERS17pb113-PT-8-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-8-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA RERS17pb113-PT-8-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 52 out of 639 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Ensure Unique test removed 12 places
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 627 transition count 31353
Applied a total of 12 rules in 459 ms. Remains 627 /639 variables (removed 12) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:25:44] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 06:25:44] [INFO ] Computed 13 place invariants in 123 ms
[2023-03-16 06:25:46] [INFO ] Implicit Places using invariants in 2217 ms returned []
Implicit Place search using SMT only with invariants took 2241 ms to find 0 implicit places.
[2023-03-16 06:25:46] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:25:46] [INFO ] Invariant cache hit.
[2023-03-16 06:25:56] [INFO ] Dead Transitions using invariants and state equation in 9977 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 627/639 places, 31353/31353 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12688 ms. Remains : 627/639 places, 31353/31353 transitions.
Support contains 52 out of 627 places after structural reductions.
[2023-03-16 06:25:57] [INFO ] Flatten gal took : 1025 ms
[2023-03-16 06:25:58] [INFO ] Flatten gal took : 840 ms
[2023-03-16 06:26:00] [INFO ] Input system was already deterministic with 31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 695 ms. (steps per millisecond=14 ) properties (out of 28) seen :7
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 21) seen :0
Running SMT prover for 21 properties.
[2023-03-16 06:26:01] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:26:01] [INFO ] Invariant cache hit.
[2023-03-16 06:26:02] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 06:26:26] [INFO ] After 24099ms SMT Verify possible using state equation in real domain returned unsat :0 sat :8 real:13
[2023-03-16 06:26:26] [INFO ] State equation strengthened by 829 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.verifyPossible(DeadlockTester.java:642)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 06:26:26] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 06:26:26] [INFO ] After 25282ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 21 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 24 ms.
Support contains 39 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 525 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 531 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 400 ms. (steps per millisecond=25 ) properties (out of 21) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) 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 19) 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 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) 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 19) 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 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) 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 19) 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 19) 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 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) 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 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) 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 19) 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 19) 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 19) 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 19) seen :0
Running SMT prover for 19 properties.
[2023-03-16 06:26:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:26:28] [INFO ] Computed 13 place invariants in 79 ms
[2023-03-16 06:26:28] [INFO ] [Real]Absence check using 13 positive place invariants in 10 ms returned sat
[2023-03-16 06:26:50] [INFO ] After 22159ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:19
[2023-03-16 06:26:50] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:27:14] [INFO ] After 23183ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :19
[2023-03-16 06:27:14] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:27:15] [INFO ] After 1184ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :18
[2023-03-16 06:27:15] [INFO ] After 1186ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :18
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-16 06:27:15] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :18
Parikh walk visited 0 properties in 128 ms.
Support contains 36 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 216 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 219 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 729 ms. (steps per millisecond=13 ) properties (out of 19) 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 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) 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 18) 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 18) 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 18) 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 18) 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 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) 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 18) 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 18) 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 18) 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 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) 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 18) 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 18) seen :0
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 :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Interrupted probabilistic random walk after 24322 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24322 steps, saw 22062 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 18 properties.
[2023-03-16 06:27:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:27:19] [INFO ] Invariant cache hit.
[2023-03-16 06:27:20] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 06:27:42] [INFO ] After 22083ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:18
[2023-03-16 06:27:42] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:28:03] [INFO ] After 20852ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :18
[2023-03-16 06:28:03] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:28:07] [INFO ] After 3671ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :17
[2023-03-16 06:28:07] [INFO ] After 3672ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :17
Attempting to minimize the solution found.
Minimization took 10 ms.
[2023-03-16 06:28:07] [INFO ] After 25046ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :17
Parikh walk visited 0 properties in 91 ms.
Support contains 36 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 182 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((F(p0)&&X(G((X(X(p1))&&F(!p0))))))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 95 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:28:07] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 06:28:07] [INFO ] Computed 13 place invariants in 68 ms
[2023-03-16 06:28:10] [INFO ] Implicit Places using invariants in 2387 ms returned []
Implicit Place search using SMT only with invariants took 2389 ms to find 0 implicit places.
[2023-03-16 06:28:10] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:28:10] [INFO ] Invariant cache hit.
[2023-03-16 06:28:19] [INFO ] Dead Transitions using invariants and state equation in 8946 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11434 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 655 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 3}, { cond=(NOT p0), acceptance={} source=3 dest: 4}, { cond=true, acceptance={0} source=3 dest: 5}, { cond=p0, acceptance={} source=3 dest: 6}], [{ cond=(NOT p0), acceptance={} source=4 dest: 7}], [{ cond=(NOT p0), acceptance={} source=5 dest: 8}, { cond=true, acceptance={0} source=5 dest: 9}, { cond=true, acceptance={} source=5 dest: 10}], [{ cond=p0, acceptance={0} source=6 dest: 6}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=7 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=8 dest: 7}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=9 dest: 8}, { cond=(NOT p1), acceptance={0} source=9 dest: 9}, { cond=(NOT p1), acceptance={} source=9 dest: 10}], [{ cond=(NOT p1), acceptance={} source=10 dest: 3}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=10 dest: 4}, { cond=(NOT p1), acceptance={0} source=10 dest: 5}, { cond=(AND p0 (NOT p1)), acceptance={} source=10 dest: 6}]], initial=0, aps=[p0:(AND (GEQ s4 1) (GEQ s489 1)), p1:(OR (LT s31 1) (LT s592 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 3 reset in 3327 ms.
Product exploration explored 100000 steps with 6 reset in 3276 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 342 ms. Reduced automaton from 11 states, 22 edges and 2 AP (stutter sensitive) to 11 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 518 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 449 ms. (steps per millisecond=22 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 25036 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25036 steps, saw 22681 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 06:28:31] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:28:31] [INFO ] Invariant cache hit.
[2023-03-16 06:28:31] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:28:46] [INFO ] After 15295ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:28:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 06:29:04] [INFO ] After 17329ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 06:29:04] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 06:29:11] [INFO ] After 7419ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-16 06:29:11] [INFO ] After 7419ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 06:29:11] [INFO ] After 25031ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 21 ms.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 461 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 462 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 483 ms. (steps per millisecond=20 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 25159 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25159 steps, saw 22809 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 06:29:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:29:16] [INFO ] Computed 13 place invariants in 60 ms
[2023-03-16 06:29:16] [INFO ] [Real]Absence check using 13 positive place invariants in 22 ms returned sat
[2023-03-16 06:29:39] [INFO ] After 23148ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:3
[2023-03-16 06:29:39] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
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:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 06:29:41] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 06:29:41] [INFO ] After 25040ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 5 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 162 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:29:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:29:41] [INFO ] Invariant cache hit.
[2023-03-16 06:29:43] [INFO ] Implicit Places using invariants in 1936 ms returned []
Implicit Place search using SMT only with invariants took 1959 ms to find 0 implicit places.
[2023-03-16 06:29:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:29:43] [INFO ] Invariant cache hit.
[2023-03-16 06:29:52] [INFO ] Dead Transitions using invariants and state equation in 9232 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11367 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 730 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:29:53] [INFO ] Computed 13 place invariants in 92 ms
[2023-03-16 06:29:53] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 06:30:11] [INFO ] After 18064ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:30:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 06:30:30] [INFO ] After 18774ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-16 06:30:34] [INFO ] After 22531ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 2171 ms.
[2023-03-16 06:30:36] [INFO ] After 24856ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 234 ms. Reduced automaton from 11 states, 22 edges and 2 AP (stutter sensitive) to 11 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 484 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 541 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
[2023-03-16 06:30:37] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 06:30:38] [INFO ] Computed 13 place invariants in 54 ms
Proved EG true
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), true, (X (X (NOT p0)))]
False Knowledge obtained : [true]
Knowledge based reduction with 4 factoid took 270 ms. Reduced automaton from 11 states, 22 edges and 2 AP (stutter sensitive) to 11 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 543 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 70 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:30:49] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:30:49] [INFO ] Invariant cache hit.
[2023-03-16 06:30:51] [INFO ] Implicit Places using invariants in 1969 ms returned []
Implicit Place search using SMT only with invariants took 1970 ms to find 0 implicit places.
[2023-03-16 06:30:51] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:30:51] [INFO ] Invariant cache hit.
[2023-03-16 06:31:00] [INFO ] Dead Transitions using invariants and state equation in 8953 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10998 ms. Remains : 627/627 places, 31353/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 196 ms. Reduced automaton from 11 states, 22 edges and 2 AP (stutter sensitive) to 11 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 489 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 278 ms. (steps per millisecond=35 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-16 06:31:01] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:31:01] [INFO ] Invariant cache hit.
[2023-03-16 06:31:01] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:31:17] [INFO ] After 16282ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 06:31:17] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:31:34] [INFO ] After 16559ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 06:31:34] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 06:31:42] [INFO ] After 8217ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 06:31:42] [INFO ] After 8218ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 06:31:42] [INFO ] After 25054ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 12 ms.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 312 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 313 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 392 ms. (steps per millisecond=25 ) properties (out of 3) 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 3) 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 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 24101 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24101 steps, saw 21869 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 06:31:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:31:46] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 06:31:46] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:32:09] [INFO ] After 23001ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 06:32:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:32:34] [INFO ] After 24859ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 06:32:34] [INFO ] State equation strengthened by 268 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.verifyPossible(DeadlockTester.java:642)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 06:32:34] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 06:32:34] [INFO ] After 25128ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 4 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 171 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:32:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:32:35] [INFO ] Invariant cache hit.
[2023-03-16 06:32:37] [INFO ] Implicit Places using invariants in 1910 ms returned []
Implicit Place search using SMT only with invariants took 1930 ms to find 0 implicit places.
[2023-03-16 06:32:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:32:37] [INFO ] Invariant cache hit.
[2023-03-16 06:32:46] [INFO ] Dead Transitions using invariants and state equation in 9233 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11338 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 212 ms. Reduced automaton from 11 states, 22 edges and 2 AP (stutter sensitive) to 11 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 485 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 485 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
[2023-03-16 06:32:47] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 06:32:47] [INFO ] Computed 13 place invariants in 64 ms
Proved EG true
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT p0)))]
False Knowledge obtained : [(F p0), true]
Knowledge based reduction with 3 factoid took 243 ms. Reduced automaton from 11 states, 22 edges and 2 AP (stutter sensitive) to 11 states, 22 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 494 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 462 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 2 reset in 4575 ms.
Product exploration explored 100000 steps with 10 reset in 3403 ms.
Applying partial POR strategy [false, false, true, false, false, false, true, true, false, false, false]
Stuttering acceptance computed with spot in 475 ms :[true, true, (NOT p0), (OR (NOT p1) p0), (AND (NOT p0) (NOT p1)), (NOT p1), p0, (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 264 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:33:07] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:33:07] [INFO ] Invariant cache hit.
[2023-03-16 06:33:17] [INFO ] Dead Transitions using invariants and state equation in 9701 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9977 ms. Remains : 627/627 places, 31353/31353 transitions.
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 80 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:33:17] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:33:17] [INFO ] Invariant cache hit.
[2023-03-16 06:33:19] [INFO ] Implicit Places using invariants in 2198 ms returned []
Implicit Place search using SMT only with invariants took 2213 ms to find 0 implicit places.
[2023-03-16 06:33:19] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:33:19] [INFO ] Invariant cache hit.
[2023-03-16 06:33:29] [INFO ] Dead Transitions using invariants and state equation in 9709 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12015 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-00 finished in 323162 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)) U (p1 U p2)))'
Support contains 8 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 169 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 06:33:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:33:31] [INFO ] Computed 13 place invariants in 51 ms
[2023-03-16 06:33:33] [INFO ] Implicit Places using invariants in 2081 ms returned []
Implicit Place search using SMT only with invariants took 2081 ms to find 0 implicit places.
[2023-03-16 06:33:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:33:33] [INFO ] Invariant cache hit.
[2023-03-16 06:33:42] [INFO ] Dead Transitions using invariants and state equation in 9020 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11286 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 90 ms :[(NOT p2), (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}]], initial=0, aps=[p2:(AND (GEQ s274 1) (GEQ s295 1)), p1:(AND (GEQ s205 1) (GEQ s361 1)), p0:(OR (AND (GEQ s471 1) (GEQ s530 1)) (AND (GEQ s243 1) (GEQ s245 1)))], nbAcceptance=0, 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 5 reset in 3409 ms.
Product exploration explored 100000 steps with 6 reset in 4388 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p2) (NOT p1))), (X (NOT p2)), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 325 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 201 ms :[(NOT p2), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 514 ms. (steps per millisecond=19 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
[2023-03-16 06:33:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:33:51] [INFO ] Invariant cache hit.
[2023-03-16 06:33:51] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:34:10] [INFO ] After 19409ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:34:11] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:34:30] [INFO ] After 19692ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:34:30] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:34:35] [INFO ] After 5153ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:34:35] [INFO ] After 25024ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 156 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 280 ms. (steps per millisecond=35 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25003 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25003 steps, saw 22669 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:34:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:34:39] [INFO ] Invariant cache hit.
[2023-03-16 06:34:39] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 06:34:56] [INFO ] After 17199ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:34:56] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:35:16] [INFO ] After 20132ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:35:17] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:35:21] [INFO ] After 4690ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:35:21] [INFO ] After 25035ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 10 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 198 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 198 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 197 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:35:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:35:22] [INFO ] Invariant cache hit.
[2023-03-16 06:35:24] [INFO ] Implicit Places using invariants in 1973 ms returned []
Implicit Place search using SMT only with invariants took 1991 ms to find 0 implicit places.
[2023-03-16 06:35:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:35:24] [INFO ] Invariant cache hit.
[2023-03-16 06:35:33] [INFO ] Dead Transitions using invariants and state equation in 9453 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11657 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p2) (NOT p1))), (X (NOT p2)), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p1)))), (X (X (NOT p2)))]
False Knowledge obtained : [(F p0), (F (NOT (AND (NOT p1) (NOT p2))))]
Knowledge based reduction with 7 factoid took 314 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 81 ms :[(NOT p2), (NOT p0)]
Stuttering acceptance computed with spot in 74 ms :[(NOT p2), (NOT p0)]
[2023-03-16 06:35:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:35:34] [INFO ] Invariant cache hit.
Could not prove EG (NOT p2)
Support contains 8 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:35:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:35:49] [INFO ] Invariant cache hit.
[2023-03-16 06:35:51] [INFO ] Implicit Places using invariants in 1866 ms returned []
Implicit Place search using SMT only with invariants took 1877 ms to find 0 implicit places.
[2023-03-16 06:35:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:35:51] [INFO ] Invariant cache hit.
[2023-03-16 06:36:00] [INFO ] Dead Transitions using invariants and state equation in 8689 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10726 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p2))), (X (NOT p2)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 255 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p2), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 310 ms. (steps per millisecond=32 ) properties (out of 3) 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 2) 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 2) seen :0
Running SMT prover for 2 properties.
[2023-03-16 06:36:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:36:01] [INFO ] Invariant cache hit.
[2023-03-16 06:36:01] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:36:16] [INFO ] After 15564ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 06:36:16] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:36:37] [INFO ] After 20337ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 06:36:37] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:36:41] [INFO ] After 4488ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 06:36:41] [INFO ] After 4488ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 06:36:41] [INFO ] After 25049ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 10 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 158 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 318 ms. (steps per millisecond=31 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 25376 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25376 steps, saw 23006 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 06:36:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:36:45] [INFO ] Invariant cache hit.
[2023-03-16 06:36:45] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:37:01] [INFO ] After 15903ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 06:37:01] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:37:21] [INFO ] After 20553ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 06:37:22] [INFO ] State equation strengthened by 268 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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 06:37:26] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 06:37:26] [INFO ] After 25038ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:2
Parikh walk visited 0 properties in 9 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 156 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:37:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:37:26] [INFO ] Invariant cache hit.
[2023-03-16 06:37:28] [INFO ] Implicit Places using invariants in 1906 ms returned []
Implicit Place search using SMT only with invariants took 1922 ms to find 0 implicit places.
[2023-03-16 06:37:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:37:28] [INFO ] Invariant cache hit.
[2023-03-16 06:37:37] [INFO ] Dead Transitions using invariants and state equation in 8872 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10958 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 527 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:37:38] [INFO ] Computed 13 place invariants in 51 ms
[2023-03-16 06:37:38] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:37:52] [INFO ] After 14055ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 06:37:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:38:12] [INFO ] After 20184ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 06:38:14] [INFO ] After 21979ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 2059 ms.
[2023-03-16 06:38:16] [INFO ] After 24165ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Knowledge obtained : [(AND (NOT p2) (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p2))), (X (NOT p2)), (X (X (NOT p0))), (X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT p2)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 7 factoid took 273 ms. Reduced automaton from 2 states, 3 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 145 ms :[(NOT p2), (NOT p0)]
Stuttering acceptance computed with spot in 75 ms :[(NOT p2), (NOT p0)]
[2023-03-16 06:38:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:38:17] [INFO ] Computed 13 place invariants in 43 ms
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 85 ms :[(NOT p2), (NOT p0)]
Product exploration explored 100000 steps with 9 reset in 2956 ms.
Product exploration explored 100000 steps with 9 reset in 3005 ms.
Support contains 8 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 153 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:38:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:38:38] [INFO ] Invariant cache hit.
[2023-03-16 06:38:40] [INFO ] Implicit Places using invariants in 1779 ms returned []
Implicit Place search using SMT only with invariants took 1781 ms to find 0 implicit places.
[2023-03-16 06:38:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:38:40] [INFO ] Invariant cache hit.
[2023-03-16 06:38:49] [INFO ] Dead Transitions using invariants and state equation in 9261 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11220 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-01 finished in 319343 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 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 301 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 06:38:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:38:50] [INFO ] Invariant cache hit.
[2023-03-16 06:38:52] [INFO ] Implicit Places using invariants in 1969 ms returned []
Implicit Place search using SMT only with invariants took 1982 ms to find 0 implicit places.
[2023-03-16 06:38:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:38:52] [INFO ] Invariant cache hit.
[2023-03-16 06:39:01] [INFO ] Dead Transitions using invariants and state equation in 9260 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11560 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-03 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 s263 1) (GEQ s448 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 2972 ms.
Product exploration explored 100000 steps with 0 reset in 3072 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 107 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 263 ms. (steps per millisecond=38 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 26474 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26474 steps, saw 23983 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:39:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:39:11] [INFO ] Invariant cache hit.
[2023-03-16 06:39:11] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:39:26] [INFO ] After 15007ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:39:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:39:42] [INFO ] After 15316ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:39:42] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:39:51] [INFO ] After 9503ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:39:51] [INFO ] After 25054ms 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 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 231 ms. (steps per millisecond=43 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 26362 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26362 steps, saw 23881 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:39:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:39:55] [INFO ] Invariant cache hit.
[2023-03-16 06:39:55] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:40:09] [INFO ] After 14530ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:40:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:40:25] [INFO ] After 15196ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:40:25] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:40:34] [INFO ] After 9663ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:40:34] [INFO ] After 25044ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 153 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:40:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:40:35] [INFO ] Invariant cache hit.
[2023-03-16 06:40:36] [INFO ] Implicit Places using invariants in 1805 ms returned []
Implicit Place search using SMT only with invariants took 1823 ms to find 0 implicit places.
[2023-03-16 06:40:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:40:36] [INFO ] Invariant cache hit.
[2023-03-16 06:40:46] [INFO ] Dead Transitions using invariants and state equation in 9246 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11237 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 564 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:40:46] [INFO ] Computed 13 place invariants in 42 ms
[2023-03-16 06:40:46] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:41:04] [INFO ] After 17367ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:41:04] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:41:21] [INFO ] After 17514ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:41:22] [INFO ] After 18241ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 461 ms.
[2023-03-16 06:41:23] [INFO ] After 18818ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 110 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
[2023-03-16 06:41:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:41:23] [INFO ] Computed 13 place invariants in 49 ms
Could not prove EG (NOT p0)
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 153 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:41:38] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:41:38] [INFO ] Invariant cache hit.
[2023-03-16 06:41:40] [INFO ] Implicit Places using invariants in 1818 ms returned []
Implicit Place search using SMT only with invariants took 1827 ms to find 0 implicit places.
[2023-03-16 06:41:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:41:40] [INFO ] Invariant cache hit.
[2023-03-16 06:41:49] [INFO ] Dead Transitions using invariants and state equation in 9082 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11100 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 123 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 254 ms. (steps per millisecond=39 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25794 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25794 steps, saw 23369 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:41:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:41:53] [INFO ] Invariant cache hit.
[2023-03-16 06:41:53] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:42:08] [INFO ] After 15340ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:42:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:42:24] [INFO ] After 15822ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:42:24] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:42:33] [INFO ] After 8973ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:42:33] [INFO ] After 25052ms 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 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 178 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 248 ms. (steps per millisecond=40 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 26595 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26595 steps, saw 24093 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:42:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:42:37] [INFO ] Invariant cache hit.
[2023-03-16 06:42:37] [INFO ] [Real]Absence check using 13 positive place invariants in 28 ms returned sat
[2023-03-16 06:42:52] [INFO ] After 15305ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:42:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:43:08] [INFO ] After 15790ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:43:08] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:43:17] [INFO ] After 9060ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:43:17] [INFO ] After 25026ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 165 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:43:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:43:17] [INFO ] Invariant cache hit.
[2023-03-16 06:43:19] [INFO ] Implicit Places using invariants in 1809 ms returned []
Implicit Place search using SMT only with invariants took 1824 ms to find 0 implicit places.
[2023-03-16 06:43:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:43:19] [INFO ] Invariant cache hit.
[2023-03-16 06:43:28] [INFO ] Dead Transitions using invariants and state equation in 8844 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10825 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 550 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:43:29] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 06:43:29] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:43:48] [INFO ] After 19132ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:43:48] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:44:05] [INFO ] After 16839ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:44:06] [INFO ] After 17598ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 480 ms.
[2023-03-16 06:44:06] [INFO ] After 18169ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 143 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 79 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
[2023-03-16 06:44:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:44:07] [INFO ] Computed 13 place invariants in 52 ms
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 4278 ms.
Product exploration explored 100000 steps with 0 reset in 4307 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 171 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:44:30] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:44:30] [INFO ] Invariant cache hit.
[2023-03-16 06:44:32] [INFO ] Implicit Places using invariants in 2000 ms returned []
Implicit Place search using SMT only with invariants took 2001 ms to find 0 implicit places.
[2023-03-16 06:44:32] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:44:32] [INFO ] Invariant cache hit.
[2023-03-16 06:44:41] [INFO ] Dead Transitions using invariants and state equation in 8904 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11080 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-03 finished in 352716 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(F(p0)))))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 75 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:44:43] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 06:44:43] [INFO ] Computed 13 place invariants in 50 ms
[2023-03-16 06:44:45] [INFO ] Implicit Places using invariants in 2116 ms returned []
Implicit Place search using SMT only with invariants took 2117 ms to find 0 implicit places.
[2023-03-16 06:44:45] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:44:45] [INFO ] Invariant cache hit.
[2023-03-16 06:44:53] [INFO ] Dead Transitions using invariants and state equation in 8343 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10539 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 175 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=2, aps=[p0:(OR (LT s101 1) (LT s118 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][false, false, false, false]]
Product exploration explored 100000 steps with 25000 reset in 3803 ms.
Product exploration explored 100000 steps with 25000 reset in 3803 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 83 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 319 ms. (steps per millisecond=31 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 26138 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26138 steps, saw 23662 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:45:05] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:45:05] [INFO ] Invariant cache hit.
[2023-03-16 06:45:05] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:45:18] [INFO ] After 13413ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:45:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:45:34] [INFO ] After 16034ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:45:34] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 06:45:43] [INFO ] After 8783ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:45:43] [INFO ] After 25043ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 174 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 627/627 places, 31353/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 307 ms. (steps per millisecond=32 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 26478 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26478 steps, saw 23969 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:45:47] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:45:47] [INFO ] Invariant cache hit.
[2023-03-16 06:45:47] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:46:00] [INFO ] After 13090ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:46:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:46:14] [INFO ] After 13870ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:46:14] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 06:46:25] [INFO ] After 10633ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:46:25] [INFO ] After 24724ms 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 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 168 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 169 ms. Remains : 627/627 places, 31353/31353 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 166 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:46:25] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:46:25] [INFO ] Invariant cache hit.
[2023-03-16 06:46:27] [INFO ] Implicit Places using invariants in 1904 ms returned []
Implicit Place search using SMT only with invariants took 1913 ms to find 0 implicit places.
[2023-03-16 06:46:27] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:46:27] [INFO ] Invariant cache hit.
[2023-03-16 06:46:36] [INFO ] Dead Transitions using invariants and state equation in 9149 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11233 ms. Remains : 627/627 places, 31353/31353 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 627 transition count 18326
Applied a total of 13027 rules in 545 ms. Remains 627 /627 variables (removed 0) and now considering 18326/31353 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 06:46:37] [INFO ] Computed 13 place invariants in 53 ms
[2023-03-16 06:46:37] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:46:59] [INFO ] After 22478ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:46:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:47:17] [INFO ] After 18314ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:47:18] [INFO ] After 19029ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 693 ms.
[2023-03-16 06:47:19] [INFO ] After 19818ms 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 98 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 157 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 152 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 72 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:47:19] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 06:47:19] [INFO ] Computed 13 place invariants in 61 ms
[2023-03-16 06:47:21] [INFO ] Implicit Places using invariants in 1938 ms returned []
Implicit Place search using SMT only with invariants took 1943 ms to find 0 implicit places.
[2023-03-16 06:47:21] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:47:21] [INFO ] Invariant cache hit.
[2023-03-16 06:47:30] [INFO ] Dead Transitions using invariants and state equation in 8351 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10368 ms. Remains : 627/627 places, 31353/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 103 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 155 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 270 ms. (steps per millisecond=37 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 25690 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25690 steps, saw 23260 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:47:34] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:47:34] [INFO ] Invariant cache hit.
[2023-03-16 06:47:34] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:47:48] [INFO ] After 14867ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:47:48] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:48:03] [INFO ] After 14905ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:48:04] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 06:48:13] [INFO ] After 9847ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 06:48:13] [INFO ] After 25038ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 5 ms.
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 177 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 627/627 places, 31353/31353 transitions.
Finished random walk after 7356 steps, including 2 resets, run visited all 1 properties in 216 ms. (steps per millisecond=34 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 137 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 130 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 3704 ms.
Product exploration explored 100000 steps with 25000 reset in 3704 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 187 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 149 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:48:22] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:48:22] [INFO ] Invariant cache hit.
[2023-03-16 06:48:32] [INFO ] Dead Transitions using invariants and state equation in 9295 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9447 ms. Remains : 627/627 places, 31353/31353 transitions.
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 87 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:48:32] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:48:32] [INFO ] Invariant cache hit.
[2023-03-16 06:48:34] [INFO ] Implicit Places using invariants in 1942 ms returned []
Implicit Place search using SMT only with invariants took 1946 ms to find 0 implicit places.
[2023-03-16 06:48:34] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:48:34] [INFO ] Invariant cache hit.
[2023-03-16 06:48:43] [INFO ] Dead Transitions using invariants and state equation in 9112 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11148 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-04 finished in 241558 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)&&F((!p1 U (p2||G(!p1))))))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 180 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 06:48:44] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:48:44] [INFO ] Computed 13 place invariants in 56 ms
[2023-03-16 06:48:46] [INFO ] Implicit Places using invariants in 2086 ms returned []
Implicit Place search using SMT only with invariants took 2090 ms to find 0 implicit places.
[2023-03-16 06:48:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:48:46] [INFO ] Invariant cache hit.
[2023-03-16 06:48:55] [INFO ] Dead Transitions using invariants and state equation in 8658 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10938 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (NOT p0), (AND (NOT p2) p1)]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s37 1) (GEQ s317 1)), p2:(AND (NOT (AND (GEQ s174 1) (GEQ s448 1))) (NOT (AND (GEQ s81 1) (GEQ s518 1)))), p1:(AND (GEQ s81 1) (GEQ s518 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 1 reset in 4198 ms.
Product exploration explored 100000 steps with 3 reset in 4178 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X (NOT p0)), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 289 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter insensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 303 ms. (steps per millisecond=33 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 26362 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26362 steps, saw 23881 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:49:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:49:07] [INFO ] Invariant cache hit.
[2023-03-16 06:49:08] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:49:24] [INFO ] After 16183ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:49:24] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:49:39] [INFO ] After 15076ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:49:39] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:49:46] [INFO ] After 6730ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 06:49:46] [INFO ] After 7543ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 523 ms.
[2023-03-16 06:49:47] [INFO ] After 23344ms 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 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 169 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 626/626 places, 31352/31352 transitions.
Finished random walk after 2353 steps, including 0 resets, run visited all 1 properties in 42 ms. (steps per millisecond=56 )
Knowledge obtained : [(AND (NOT p0) p2 (NOT p1)), (X (NOT p0)), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND (NOT p2) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p2) p1))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 7 factoid took 305 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
[2023-03-16 06:49:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:49:48] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 2 out of 626 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 149 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:50:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:50:03] [INFO ] Invariant cache hit.
[2023-03-16 06:50:05] [INFO ] Implicit Places using invariants in 1954 ms returned []
Implicit Place search using SMT only with invariants took 1955 ms to find 0 implicit places.
[2023-03-16 06:50:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:50:05] [INFO ] Invariant cache hit.
[2023-03-16 06:50:14] [INFO ] Dead Transitions using invariants and state equation in 8997 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11104 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 155 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 244 ms. (steps per millisecond=40 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25660 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25660 steps, saw 23251 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 06:50:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:50:18] [INFO ] Invariant cache hit.
[2023-03-16 06:50:18] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:50:32] [INFO ] After 14671ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 06:50:32] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 06:50:46] [INFO ] After 14135ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 06:50:47] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:50:53] [INFO ] After 6616ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 06:50:54] [INFO ] After 7394ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 534 ms.
[2023-03-16 06:50:55] [INFO ] After 22263ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 161 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 162 ms. Remains : 626/626 places, 31352/31352 transitions.
Finished random walk after 3102 steps, including 0 resets, run visited all 1 properties in 72 ms. (steps per millisecond=43 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 128 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
[2023-03-16 06:50:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:50:55] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Product exploration explored 100000 steps with 2 reset in 3076 ms.
Product exploration explored 100000 steps with 4 reset in 3213 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 157 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:51:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:51:17] [INFO ] Invariant cache hit.
[2023-03-16 06:51:19] [INFO ] Implicit Places using invariants in 1928 ms returned []
Implicit Place search using SMT only with invariants took 1929 ms to find 0 implicit places.
[2023-03-16 06:51:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:51:19] [INFO ] Invariant cache hit.
[2023-03-16 06:51:27] [INFO ] Dead Transitions using invariants and state equation in 8613 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10702 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-05 finished in 164396 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((X(G(p0))&&F(p1))) U (X(p2)||G(p3))))'
Support contains 8 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 157 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 06:51:29] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 06:51:29] [INFO ] Computed 13 place invariants in 52 ms
[2023-03-16 06:51:31] [INFO ] Implicit Places using invariants in 2162 ms returned []
Implicit Place search using SMT only with invariants took 2163 ms to find 0 implicit places.
[2023-03-16 06:51:31] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 06:51:31] [INFO ] Invariant cache hit.
[2023-03-16 06:51:40] [INFO ] Dead Transitions using invariants and state equation in 8999 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11323 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 352 ms :[(AND (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (AND (NOT p2) (NOT p3)), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p2) (NOT p3))), true, (OR (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p3) p0), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3)))]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p3), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=p3, acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p2) p0), acceptance={} source=1 dest: 5}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=1 dest: 6}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND p3 (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p3) (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND p3 (NOT p2)), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p0)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p3) (NOT p2) p0), acceptance={} source=3 dest: 5}, { cond=(AND (NOT p3) (NOT p1) (NOT p2) p0), acceptance={} source=3 dest: 6}, { cond=(AND p3 (NOT p2) (NOT p0)), acceptance={} source=3 dest: 7}, { cond=(AND p3 (NOT p2)), acceptance={} source=3 dest: 8}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 4}, { cond=p0, acceptance={} source=5 dest: 5}, { cond=(AND (NOT p1) p0), acceptance={} source=5 dest: 6}], [{ cond=(NOT p1), acceptance={0} source=6 dest: 6}], [{ cond=(AND (NOT p3) p0), acceptance={} source=7 dest: 4}, { cond=(AND p3 p0), acceptance={} source=7 dest: 7}], [{ cond=(AND (NOT p3) (NOT p0)), acceptance={} source=8 dest: 4}, { cond=(AND (NOT p3) p0), acceptance={} source=8 dest: 5}, { cond=(AND (NOT p3) (NOT p1) p0), acceptance={} source=8 dest: 6}, { cond=(AND p3 (NOT p0)), acceptance={} source=8 dest: 7}, { cond=p3, acceptance={} source=8 dest: 8}]], initial=0, aps=[p3:(AND (GEQ s53 1) (GEQ s107 1)), p2:(AND (GEQ s458 1) (GEQ s505 1)), p0:(AND (GEQ s239 1) (GEQ s427 1)), p1:(AND (GEQ s314 1) (GEQ s334 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA RERS17pb113-PT-8-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property RERS17pb113-PT-8-LTLFireability-06 finished in 11781 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((G(p1)||p0)))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 186 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 06:51:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 06:51:40] [INFO ] Computed 13 place invariants in 43 ms
[2023-03-16 06:51:42] [INFO ] Implicit Places using invariants in 1867 ms returned []
Implicit Place search using SMT only with invariants took 1872 ms to find 0 implicit places.
[2023-03-16 06:51:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:51:42] [INFO ] Invariant cache hit.
[2023-03-16 06:51:51] [INFO ] Dead Transitions using invariants and state equation in 8909 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10967 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 165 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 1}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=2, aps=[p1:(OR (LT s76 1) (LT s514 1)), p0:(OR (LT s167 1) (LT s504 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 3202 ms.
Product exploration explored 100000 steps with 0 reset in 3273 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), true, (X (X p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 421 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 100 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 426 ms. (steps per millisecond=23 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 25376 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25376 steps, saw 23006 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 06:52:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:52:02] [INFO ] Invariant cache hit.
[2023-03-16 06:52:02] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:52:18] [INFO ] After 15378ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:3
[2023-03-16 06:52:18] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:52:27] [INFO ] After 8889ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:52:27] [INFO ] After 24531ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:52:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
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:631)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 06:52:52] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 06:52:52] [INFO ] After 25044ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 171 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 329 ms. (steps per millisecond=30 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 4) 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 4) 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 4) seen :0
Interrupted probabilistic random walk after 25959 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25959 steps, saw 23518 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 06:52:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:52:56] [INFO ] Invariant cache hit.
[2023-03-16 06:52:56] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:53:11] [INFO ] After 15627ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:3
[2023-03-16 06:53:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:53:20] [INFO ] After 8883ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:53:20] [INFO ] After 24748ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:53:20] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
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:631)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 06:53:45] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 06:53:45] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 150 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 147 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:53:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:53:46] [INFO ] Invariant cache hit.
[2023-03-16 06:53:48] [INFO ] Implicit Places using invariants in 1924 ms returned []
Implicit Place search using SMT only with invariants took 1927 ms to find 0 implicit places.
[2023-03-16 06:53:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:53:48] [INFO ] Invariant cache hit.
[2023-03-16 06:53:57] [INFO ] Dead Transitions using invariants and state equation in 9197 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11297 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND p1 p0), (X p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), true, (X (X p1)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 355 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 69 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0))]
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 160 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:53:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:53:58] [INFO ] Invariant cache hit.
[2023-03-16 06:53:59] [INFO ] Implicit Places using invariants in 1805 ms returned []
Implicit Place search using SMT only with invariants took 1808 ms to find 0 implicit places.
[2023-03-16 06:53:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:53:59] [INFO ] Invariant cache hit.
[2023-03-16 06:54:08] [INFO ] Dead Transitions using invariants and state equation in 8965 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10962 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X p0), (X (X (NOT (AND p1 (NOT p0))))), true, (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 399 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 363 ms. (steps per millisecond=27 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 26134 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26134 steps, saw 23676 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 06:54:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:54:13] [INFO ] Invariant cache hit.
[2023-03-16 06:54:13] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:54:28] [INFO ] After 15242ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:3
[2023-03-16 06:54:28] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:54:37] [INFO ] After 8611ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:54:37] [INFO ] After 24079ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:54:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
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:631)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 06:55:02] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 06:55:02] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 167 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 436 ms. (steps per millisecond=22 ) properties (out of 4) 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 4) 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 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 25516 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25516 steps, saw 23129 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 06:55:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:55:05] [INFO ] Invariant cache hit.
[2023-03-16 06:55:06] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:55:21] [INFO ] After 15584ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:3
[2023-03-16 06:55:21] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:55:30] [INFO ] After 8737ms SMT Verify possible using 268 Read/Feed constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:55:30] [INFO ] After 24561ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 06:55:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
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:631)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 06:55:55] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 06:55:55] [INFO ] After 25054ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:4
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 173 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:55:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:55:55] [INFO ] Invariant cache hit.
[2023-03-16 06:55:57] [INFO ] Implicit Places using invariants in 2004 ms returned []
Implicit Place search using SMT only with invariants took 2017 ms to find 0 implicit places.
[2023-03-16 06:55:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:55:57] [INFO ] Invariant cache hit.
[2023-03-16 06:56:07] [INFO ] Dead Transitions using invariants and state equation in 9156 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11350 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p1), (X p0), (X (X (NOT (AND p1 (NOT p0))))), true, (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p1)), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 10 factoid took 381 ms. Reduced automaton from 3 states, 6 edges and 2 AP (stutter insensitive) to 3 states, 6 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 95 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 0 reset in 4426 ms.
Product exploration explored 100000 steps with 0 reset in 4540 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:56:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:56:17] [INFO ] Invariant cache hit.
[2023-03-16 06:56:19] [INFO ] Implicit Places using invariants in 2014 ms returned []
Implicit Place search using SMT only with invariants took 2018 ms to find 0 implicit places.
[2023-03-16 06:56:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:56:19] [INFO ] Invariant cache hit.
[2023-03-16 06:56:28] [INFO ] Dead Transitions using invariants and state equation in 9219 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11406 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-07 finished in 288830 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)&&F(p1))))'
Support contains 4 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 195 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 06:56:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:56:29] [INFO ] Invariant cache hit.
[2023-03-16 06:56:31] [INFO ] Implicit Places using invariants in 2158 ms returned []
Implicit Place search using SMT only with invariants took 2159 ms to find 0 implicit places.
[2023-03-16 06:56:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:56:31] [INFO ] Invariant cache hit.
[2023-03-16 06:56:40] [INFO ] Dead Transitions using invariants and state equation in 8997 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11356 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-08 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=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s153 1) (GEQ s429 1)), p1:(AND (GEQ s343 1) (GEQ s457 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 1 reset in 4097 ms.
Product exploration explored 100000 steps with 1 reset in 4063 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 237 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 363 ms. (steps per millisecond=27 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 25053 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25053 steps, saw 22713 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 06:56:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:56:53] [INFO ] Invariant cache hit.
[2023-03-16 06:56:53] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 06:57:13] [INFO ] After 20655ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 06:57:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 06:57:35] [INFO ] After 21160ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 06:57:35] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:57:38] [INFO ] After 3656ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 06:57:38] [INFO ] After 3657ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-16 06:57:38] [INFO ] After 25033ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 10 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 347 ms. (steps per millisecond=28 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 2) 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 2) seen :0
Interrupted probabilistic random walk after 25536 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25536 steps, saw 23146 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 06:57:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:57:42] [INFO ] Invariant cache hit.
[2023-03-16 06:57:42] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 06:57:59] [INFO ] After 16513ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 06:57:59] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:58:18] [INFO ] After 19405ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 06:58:18] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 06:58:24] [INFO ] After 5385ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 06:58:24] [INFO ] After 5386ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 06:58:24] [INFO ] After 25034ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 13 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 188 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 184 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:58:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:58:24] [INFO ] Invariant cache hit.
[2023-03-16 06:58:26] [INFO ] Implicit Places using invariants in 1942 ms returned []
Implicit Place search using SMT only with invariants took 1957 ms to find 0 implicit places.
[2023-03-16 06:58:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:58:26] [INFO ] Invariant cache hit.
[2023-03-16 06:58:36] [INFO ] Dead Transitions using invariants and state equation in 9544 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11713 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 255 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 143 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2023-03-16 06:58:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:58:36] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
[2023-03-16 06:58:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:58:51] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 173 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 06:59:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:59:07] [INFO ] Invariant cache hit.
[2023-03-16 06:59:09] [INFO ] Implicit Places using invariants in 2147 ms returned []
Implicit Place search using SMT only with invariants took 2147 ms to find 0 implicit places.
[2023-03-16 06:59:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:59:09] [INFO ] Invariant cache hit.
[2023-03-16 06:59:18] [INFO ] Dead Transitions using invariants and state equation in 9327 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11652 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 230 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 414 ms. (steps per millisecond=24 ) properties (out of 2) 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 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 24503 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 24503 steps, saw 22218 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 06:59:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 06:59:22] [INFO ] Invariant cache hit.
[2023-03-16 06:59:22] [INFO ] [Real]Absence check using 13 positive place invariants in 9 ms returned sat
[2023-03-16 06:59:39] [INFO ] After 16247ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 06:59:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 06:59:58] [INFO ] After 19561ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 06:59:58] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:00:04] [INFO ] After 5265ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 07:00:04] [INFO ] After 5266ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 6 ms.
[2023-03-16 07:00:04] [INFO ] After 25052ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 12 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 205 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 272 ms. (steps per millisecond=36 ) properties (out of 2) 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 2) 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 2) seen :0
Interrupted probabilistic random walk after 25099 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25099 steps, saw 22754 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-16 07:00:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:00:07] [INFO ] Invariant cache hit.
[2023-03-16 07:00:07] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:00:26] [INFO ] After 18446ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-16 07:00:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 07:00:47] [INFO ] After 20750ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-16 07:00:47] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:00:51] [INFO ] After 4070ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 07:00:51] [INFO ] After 4070ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-16 07:00:51] [INFO ] After 25048ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 12 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 150 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 164 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:00:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:00:51] [INFO ] Invariant cache hit.
[2023-03-16 07:00:53] [INFO ] Implicit Places using invariants in 2018 ms returned []
Implicit Place search using SMT only with invariants took 2021 ms to find 0 implicit places.
[2023-03-16 07:00:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:00:53] [INFO ] Invariant cache hit.
[2023-03-16 07:01:02] [INFO ] Dead Transitions using invariants and state equation in 9188 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11382 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 234 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter insensitive) to 3 states, 5 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 134 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
[2023-03-16 07:01:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:01:03] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
[2023-03-16 07:01:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:01:18] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 130 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 0 reset in 3723 ms.
Product exploration explored 100000 steps with 0 reset in 3707 ms.
Support contains 4 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 179 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:01:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:01:41] [INFO ] Invariant cache hit.
[2023-03-16 07:01:43] [INFO ] Implicit Places using invariants in 2092 ms returned []
Implicit Place search using SMT only with invariants took 2093 ms to find 0 implicit places.
[2023-03-16 07:01:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:01:43] [INFO ] Invariant cache hit.
[2023-03-16 07:01:52] [INFO ] Dead Transitions using invariants and state equation in 9272 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11546 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-08 finished in 324272 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(p0)))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 189 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 07:01:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:01:54] [INFO ] Invariant cache hit.
[2023-03-16 07:01:56] [INFO ] Implicit Places using invariants in 2116 ms returned []
Implicit Place search using SMT only with invariants took 2117 ms to find 0 implicit places.
[2023-03-16 07:01:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:01:56] [INFO ] Invariant cache hit.
[2023-03-16 07:02:05] [INFO ] Dead Transitions using invariants and state equation in 9037 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11347 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 99 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s180 1) (LT s289 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 3700 ms.
Product exploration explored 100000 steps with 0 reset in 3933 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 120 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 340 ms. (steps per millisecond=29 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25629 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25629 steps, saw 23225 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:02:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:02:16] [INFO ] Invariant cache hit.
[2023-03-16 07:02:16] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:02:38] [INFO ] After 21323ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:02:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:02:59] [INFO ] After 20976ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:02:59] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:03:03] [INFO ] After 3853ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 07:03:03] [INFO ] After 25041ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 11 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 208 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 209 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 356 ms. (steps per millisecond=28 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 26306 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26306 steps, saw 23830 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:03:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:03:06] [INFO ] Invariant cache hit.
[2023-03-16 07:03:06] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:03:27] [INFO ] After 20626ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:03:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:03:49] [INFO ] After 21473ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:03:49] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:03:52] [INFO ] After 3374ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 07:03:52] [INFO ] After 25036ms 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 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 164 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:03:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:03:52] [INFO ] Invariant cache hit.
[2023-03-16 07:03:54] [INFO ] Implicit Places using invariants in 2091 ms returned []
Implicit Place search using SMT only with invariants took 2092 ms to find 0 implicit places.
[2023-03-16 07:03:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:03:54] [INFO ] Invariant cache hit.
[2023-03-16 07:04:03] [INFO ] Dead Transitions using invariants and state equation in 8983 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11244 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 129 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 171 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:04:04] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:04:04] [INFO ] Invariant cache hit.
[2023-03-16 07:04:06] [INFO ] Implicit Places using invariants in 2013 ms returned []
Implicit Place search using SMT only with invariants took 2013 ms to find 0 implicit places.
[2023-03-16 07:04:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:04:06] [INFO ] Invariant cache hit.
[2023-03-16 07:04:14] [INFO ] Dead Transitions using invariants and state equation in 8531 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10718 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 142 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 43 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 255 ms. (steps per millisecond=39 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 26230 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26230 steps, saw 23763 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:04:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:04:18] [INFO ] Invariant cache hit.
[2023-03-16 07:04:18] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:04:37] [INFO ] After 19202ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:04:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 07:04:58] [INFO ] After 20237ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:04:58] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:05:02] [INFO ] After 4595ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 07:05:02] [INFO ] After 25028ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 28 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 193 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 194 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 214 ms. (steps per millisecond=46 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 25970 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25970 steps, saw 23528 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:05:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:05:06] [INFO ] Invariant cache hit.
[2023-03-16 07:05:06] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:05:26] [INFO ] After 19673ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:05:26] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:05:46] [INFO ] After 20290ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:05:46] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:05:51] [INFO ] After 4544ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-16 07:05:51] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 10 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:05:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:05:51] [INFO ] Invariant cache hit.
[2023-03-16 07:05:53] [INFO ] Implicit Places using invariants in 1932 ms returned []
Implicit Place search using SMT only with invariants took 1937 ms to find 0 implicit places.
[2023-03-16 07:05:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:05:53] [INFO ] Invariant cache hit.
[2023-03-16 07:06:02] [INFO ] Dead Transitions using invariants and state equation in 9140 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11248 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 128 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 3543 ms.
Product exploration explored 100000 steps with 0 reset in 3378 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:06:09] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:06:09] [INFO ] Invariant cache hit.
[2023-03-16 07:06:11] [INFO ] Implicit Places using invariants in 1866 ms returned []
Implicit Place search using SMT only with invariants took 1892 ms to find 0 implicit places.
[2023-03-16 07:06:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:06:11] [INFO ] Invariant cache hit.
[2023-03-16 07:06:20] [INFO ] Dead Transitions using invariants and state equation in 9090 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11136 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-09 finished in 268183 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(p0)))'
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 159 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 07:06:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:06:22] [INFO ] Invariant cache hit.
[2023-03-16 07:06:24] [INFO ] Implicit Places using invariants in 1911 ms returned []
Implicit Place search using SMT only with invariants took 1925 ms to find 0 implicit places.
[2023-03-16 07:06:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:06:24] [INFO ] Invariant cache hit.
[2023-03-16 07:06:33] [INFO ] Dead Transitions using invariants and state equation in 9197 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11307 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 44 ms :[(NOT p0)]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s222 1) (LT s584 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 3056 ms.
Product exploration explored 100000 steps with 0 reset in 3037 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 106 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 246 ms. (steps per millisecond=40 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 26103 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26103 steps, saw 23648 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:06:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:06:43] [INFO ] Invariant cache hit.
[2023-03-16 07:06:43] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 07:07:00] [INFO ] After 17290ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:07:00] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:07:17] [INFO ] After 17080ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:07:17] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:07:22] [INFO ] After 4493ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 07:07:22] [INFO ] After 5267ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 392 ms.
[2023-03-16 07:07:23] [INFO ] After 22947ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 167 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 272 ms. (steps per millisecond=36 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 26432 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26432 steps, saw 23945 distinct states, run finished after 3004 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:07:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:07:26] [INFO ] Invariant cache hit.
[2023-03-16 07:07:26] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 07:07:44] [INFO ] After 17492ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:07:44] [INFO ] [Nat]Absence check using 13 positive place invariants in 11 ms returned sat
[2023-03-16 07:08:01] [INFO ] After 17076ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:08:01] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:08:07] [INFO ] After 5360ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 07:08:07] [INFO ] After 6189ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 449 ms.
[2023-03-16 07:08:08] [INFO ] After 23956ms 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 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 173 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:08:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:08:08] [INFO ] Invariant cache hit.
[2023-03-16 07:08:10] [INFO ] Implicit Places using invariants in 1998 ms returned []
Implicit Place search using SMT only with invariants took 2001 ms to find 0 implicit places.
[2023-03-16 07:08:10] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:08:10] [INFO ] Invariant cache hit.
[2023-03-16 07:08:19] [INFO ] Dead Transitions using invariants and state equation in 8930 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11110 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 544 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:08:20] [INFO ] Computed 13 place invariants in 53 ms
[2023-03-16 07:08:20] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 07:08:38] [INFO ] After 17707ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:08:38] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:08:56] [INFO ] After 18074ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:08:56] [INFO ] After 18737ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 411 ms.
[2023-03-16 07:08:57] [INFO ] After 19253ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 107 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 152 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:08:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:08:57] [INFO ] Computed 13 place invariants in 51 ms
[2023-03-16 07:08:59] [INFO ] Implicit Places using invariants in 1918 ms returned []
Implicit Place search using SMT only with invariants took 1942 ms to find 0 implicit places.
[2023-03-16 07:08:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:08:59] [INFO ] Invariant cache hit.
[2023-03-16 07:09:09] [INFO ] Dead Transitions using invariants and state equation in 9462 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11570 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 112 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 242 ms. (steps per millisecond=41 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25897 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25897 steps, saw 23462 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:09:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:09:12] [INFO ] Invariant cache hit.
[2023-03-16 07:09:12] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:09:30] [INFO ] After 17392ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:09:30] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:09:47] [INFO ] After 17224ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:09:47] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:09:51] [INFO ] After 4413ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 07:09:52] [INFO ] After 5175ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 398 ms.
[2023-03-16 07:09:53] [INFO ] After 22993ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 149 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 149 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 236 ms. (steps per millisecond=42 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 26575 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26575 steps, saw 24075 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:09:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:09:56] [INFO ] Invariant cache hit.
[2023-03-16 07:09:56] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:10:13] [INFO ] After 17039ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:10:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:10:31] [INFO ] After 18044ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:10:31] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:10:36] [INFO ] After 4429ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 07:10:37] [INFO ] After 5189ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 386 ms.
[2023-03-16 07:10:37] [INFO ] After 23820ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 166 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:10:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:10:37] [INFO ] Invariant cache hit.
[2023-03-16 07:10:39] [INFO ] Implicit Places using invariants in 1828 ms returned []
Implicit Place search using SMT only with invariants took 1829 ms to find 0 implicit places.
[2023-03-16 07:10:39] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:10:39] [INFO ] Invariant cache hit.
[2023-03-16 07:10:48] [INFO ] Dead Transitions using invariants and state equation in 9120 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11122 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 512 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:10:49] [INFO ] Computed 13 place invariants in 52 ms
[2023-03-16 07:10:49] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:11:08] [INFO ] After 18877ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:11:08] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:11:25] [INFO ] After 17230ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:11:26] [INFO ] After 17882ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 401 ms.
[2023-03-16 07:11:26] [INFO ] After 18383ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 1021 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 58 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Product exploration explored 100000 steps with 0 reset in 3083 ms.
Product exploration explored 100000 steps with 0 reset in 3297 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 151 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:11:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:11:34] [INFO ] Computed 13 place invariants in 60 ms
[2023-03-16 07:11:36] [INFO ] Implicit Places using invariants in 2023 ms returned []
Implicit Place search using SMT only with invariants took 2024 ms to find 0 implicit places.
[2023-03-16 07:11:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:11:36] [INFO ] Invariant cache hit.
[2023-03-16 07:11:45] [INFO ] Dead Transitions using invariants and state equation in 8801 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10978 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-11 finished in 324247 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)||X(X(G(!p1)))) U p2)))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 74 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 07:11:46] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 07:11:46] [INFO ] Computed 13 place invariants in 61 ms
[2023-03-16 07:11:48] [INFO ] Implicit Places using invariants in 1997 ms returned []
Implicit Place search using SMT only with invariants took 1997 ms to find 0 implicit places.
[2023-03-16 07:11:48] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:11:48] [INFO ] Invariant cache hit.
[2023-03-16 07:11:57] [INFO ] Dead Transitions using invariants and state equation in 8680 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10754 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 208 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p2), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) p0), acceptance={0} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND p0 p1), acceptance={} source=3 dest: 4}], [{ cond=p0, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p2:(AND (GEQ s1 1) (GEQ s205 1)), p0:(AND (GEQ s584 1) (GEQ s591 1)), p1:(AND (GEQ s287 1) (GEQ s486 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 1 reset in 3025 ms.
Product exploration explored 100000 steps with 1 reset in 3160 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p2) p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 1357 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 223 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 337 ms. (steps per millisecond=29 ) properties (out of 5) 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 5) 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 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 5) 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 5) seen :0
Interrupted probabilistic random walk after 25659 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25659 steps, saw 23234 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 07:12:08] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:12:08] [INFO ] Invariant cache hit.
[2023-03-16 07:12:09] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:12:27] [INFO ] After 18808ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 07:12:27] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2023-03-16 07:12:47] [INFO ] After 20013ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 07:12:47] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 07:12:52] [INFO ] After 4735ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 07:12:52] [INFO ] After 4741ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 3 ms.
[2023-03-16 07:12:52] [INFO ] After 25050ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 19 ms.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 335 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 336 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 399 ms. (steps per millisecond=25 ) properties (out of 5) 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 5) 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 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 23240 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23240 steps, saw 21092 distinct states, run finished after 3001 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 07:12:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:12:56] [INFO ] Computed 13 place invariants in 47 ms
[2023-03-16 07:12:56] [INFO ] [Real]Absence check using 13 positive place invariants in 11 ms returned sat
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:631)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 07:13:21] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 07:13:21] [INFO ] After 25043ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 158 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 154 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:13:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:13:22] [INFO ] Invariant cache hit.
[2023-03-16 07:13:24] [INFO ] Implicit Places using invariants in 1901 ms returned []
Implicit Place search using SMT only with invariants took 1902 ms to find 0 implicit places.
[2023-03-16 07:13:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:13:24] [INFO ] Invariant cache hit.
[2023-03-16 07:13:33] [INFO ] Dead Transitions using invariants and state equation in 9343 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11401 ms. Remains : 626/626 places, 31352/31352 transitions.
Ensure Unique test removed 13027 transitions
Reduce isomorphic transitions removed 13027 transitions.
Iterating post reduction 0 with 13027 rules applied. Total rules applied 13027 place count 626 transition count 18325
Applied a total of 13027 rules in 519 ms. Remains 626 /626 variables (removed 0) and now considering 18325/31352 (removed 13027) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:13:34] [INFO ] Computed 13 place invariants in 50 ms
[2023-03-16 07:13:34] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:13:56] [INFO ] After 22242ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-16 07:13:56] [INFO ] [Nat]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:14:18] [INFO ] After 21850ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 07:14:23] [INFO ] After 26946ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 3306 ms.
[2023-03-16 07:14:26] [INFO ] After 30408ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p2) p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 254 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 188 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
Stuttering acceptance computed with spot in 222 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
[2023-03-16 07:14:27] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 07:14:27] [INFO ] Computed 13 place invariants in 50 ms
Could not prove EG (NOT p2)
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 73 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 07:14:42] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:14:42] [INFO ] Invariant cache hit.
[2023-03-16 07:14:44] [INFO ] Implicit Places using invariants in 1881 ms returned []
Implicit Place search using SMT only with invariants took 1881 ms to find 0 implicit places.
[2023-03-16 07:14:44] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:14:44] [INFO ] Invariant cache hit.
[2023-03-16 07:14:53] [INFO ] Dead Transitions using invariants and state equation in 8880 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10835 ms. Remains : 627/627 places, 31353/31353 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p2) p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 298 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 221 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 313 ms. (steps per millisecond=31 ) properties (out of 5) 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 5) 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 5) 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 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 5) 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 5) seen :0
Interrupted probabilistic random walk after 25084 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25084 steps, saw 22723 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-16 07:14:57] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:14:57] [INFO ] Invariant cache hit.
[2023-03-16 07:14:57] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:15:19] [INFO ] After 21805ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-16 07:15:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:15:40] [INFO ] After 20515ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-16 07:15:40] [INFO ] State equation strengthened by 829 read => feed constraints.
[2023-03-16 07:15:44] [INFO ] After 4217ms SMT Verify possible using 829 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-16 07:15:44] [INFO ] After 4222ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 07:15:44] [INFO ] After 25042ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 26 ms.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 367 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 368 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 395 ms. (steps per millisecond=25 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-16 07:15:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:15:45] [INFO ] Computed 13 place invariants in 51 ms
[2023-03-16 07:15:45] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
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:631)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 07:16:10] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 07:16:10] [INFO ] After 25053ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 156 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 446 ms. (steps per millisecond=22 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 23010 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23010 steps, saw 20896 distinct states, run finished after 3002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 4 properties.
[2023-03-16 07:16:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:16:14] [INFO ] Invariant cache hit.
[2023-03-16 07:16:14] [INFO ] [Real]Absence check using 13 positive place invariants in 5 ms returned sat
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:631)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 07:16:39] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 07:16:39] [INFO ] After 25044ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 176 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 170 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:16:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:16:40] [INFO ] Invariant cache hit.
[2023-03-16 07:16:41] [INFO ] Implicit Places using invariants in 1817 ms returned []
Implicit Place search using SMT only with invariants took 1837 ms to find 0 implicit places.
[2023-03-16 07:16:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:16:41] [INFO ] Invariant cache hit.
[2023-03-16 07:16:51] [INFO ] Dead Transitions using invariants and state equation in 9286 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11310 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (NOT p2)), (X (NOT (AND (NOT p2) p0))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT p0)))]
False Knowledge obtained : [(F p2)]
Knowledge based reduction with 6 factoid took 271 ms. Reduced automaton from 5 states, 7 edges and 3 AP (stutter sensitive) to 5 states, 7 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 185 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
Stuttering acceptance computed with spot in 178 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
[2023-03-16 07:16:51] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 07:16:52] [INFO ] Computed 13 place invariants in 54 ms
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 225 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
Product exploration explored 100000 steps with 1 reset in 3133 ms.
Product exploration explored 100000 steps with 3 reset in 3234 ms.
Applying partial POR strategy [false, false, false, true, true]
Stuttering acceptance computed with spot in 167 ms :[(NOT p2), (NOT p2), (AND p0 p1), (AND p0 p1), p0]
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 166 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 07:17:14] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:17:14] [INFO ] Invariant cache hit.
[2023-03-16 07:17:22] [INFO ] Dead Transitions using invariants and state equation in 8845 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9019 ms. Remains : 627/627 places, 31353/31353 transitions.
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 78 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 07:17:22] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:17:22] [INFO ] Invariant cache hit.
[2023-03-16 07:17:24] [INFO ] Implicit Places using invariants in 1865 ms returned []
Implicit Place search using SMT only with invariants took 1887 ms to find 0 implicit places.
[2023-03-16 07:17:24] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:17:24] [INFO ] Invariant cache hit.
[2023-03-16 07:17:33] [INFO ] Dead Transitions using invariants and state equation in 8701 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10682 ms. Remains : 627/627 places, 31353/31353 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-13 finished in 348240 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(X(F(p0))) U p1))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 162 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 07:17:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:17:34] [INFO ] Computed 13 place invariants in 51 ms
[2023-03-16 07:17:36] [INFO ] Implicit Places using invariants in 2048 ms returned []
Implicit Place search using SMT only with invariants took 2049 ms to find 0 implicit places.
[2023-03-16 07:17:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:17:36] [INFO ] Invariant cache hit.
[2023-03-16 07:17:46] [INFO ] Dead Transitions using invariants and state equation in 9161 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11377 ms. Remains : 626/627 places, 31352/31353 transitions.
Stuttering acceptance computed with spot in 124 ms :[(NOT p1), (NOT p0), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={0} source=2 dest: 1}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (GEQ s205 1) (GEQ s287 1) (GEQ s498 1) (GEQ s613 1)), p0:(AND (GEQ s361 1) (GEQ s563 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][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 3836 ms.
Product exploration explored 100000 steps with 0 reset in 3281 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 210 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter insensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 113 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 428 ms. (steps per millisecond=23 ) properties (out of 3) 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 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 3) 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 3) seen :0
Interrupted probabilistic random walk after 23900 steps, run timeout after 3002 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23900 steps, saw 21686 distinct states, run finished after 3002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 07:17:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:17:57] [INFO ] Invariant cache hit.
[2023-03-16 07:17:57] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:18:13] [INFO ] After 15636ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 07:18:13] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:18:36] [INFO ] After 23374ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 07:18:36] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 07:18:38] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 07:18:38] [INFO ] After 25037ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 13 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 150 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 151 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 445 ms. (steps per millisecond=22 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 3) 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 3) seen :0
Interrupted probabilistic random walk after 23562 steps, run timeout after 3002 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23562 steps, saw 21382 distinct states, run finished after 3002 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 07:18:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:18:41] [INFO ] Invariant cache hit.
[2023-03-16 07:18:41] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:18:57] [INFO ] After 15940ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 07:18:57] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 07:19:18] [INFO ] After 20877ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 07:19:18] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:19:22] [INFO ] After 3928ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 07:19:22] [INFO ] After 3928ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 07:19:22] [INFO ] After 25042ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 17 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 168 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 169 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:19:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:19:23] [INFO ] Invariant cache hit.
[2023-03-16 07:19:25] [INFO ] Implicit Places using invariants in 1850 ms returned []
Implicit Place search using SMT only with invariants took 1851 ms to find 0 implicit places.
[2023-03-16 07:19:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:19:25] [INFO ] Invariant cache hit.
[2023-03-16 07:19:34] [INFO ] Dead Transitions using invariants and state equation in 9051 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11074 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT p1)), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 241 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0))]
[2023-03-16 07:19:34] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:19:34] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
[2023-03-16 07:19:49] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:19:49] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 79 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:20:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:20:05] [INFO ] Invariant cache hit.
[2023-03-16 07:20:06] [INFO ] Implicit Places using invariants in 1906 ms returned []
Implicit Place search using SMT only with invariants took 1917 ms to find 0 implicit places.
[2023-03-16 07:20:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:20:06] [INFO ] Invariant cache hit.
[2023-03-16 07:20:15] [INFO ] Dead Transitions using invariants and state equation in 8998 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10997 ms. Remains : 626/626 places, 31352/31352 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 252 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 119 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 497 ms. (steps per millisecond=20 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 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 35 ms. (steps per millisecond=285 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 23739 steps, run timeout after 3001 ms. (steps per millisecond=7 ) properties seen :{}
Probabilistic random walk after 23739 steps, saw 21542 distinct states, run finished after 3004 ms. (steps per millisecond=7 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 07:20:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:20:20] [INFO ] Invariant cache hit.
[2023-03-16 07:20:20] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:20:37] [INFO ] After 16918ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 07:20:37] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:21:00] [INFO ] After 22779ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 07:21:00] [INFO ] State equation strengthened by 268 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 07:21:02] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 07:21:02] [INFO ] After 25039ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 14 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 172 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 626/626 places, 31352/31352 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 304 ms. (steps per millisecond=32 ) properties (out of 3) 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 3) 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 3) 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 3) seen :0
Interrupted probabilistic random walk after 25794 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25794 steps, saw 23369 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-16 07:21:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:21:05] [INFO ] Invariant cache hit.
[2023-03-16 07:21:05] [INFO ] [Real]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 07:21:22] [INFO ] After 17118ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-16 07:21:23] [INFO ] [Nat]Absence check using 13 positive place invariants in 8 ms returned sat
[2023-03-16 07:21:45] [INFO ] After 22586ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-16 07:21:45] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:21:48] [INFO ] After 2201ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-16 07:21:48] [INFO ] After 2202ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-16 07:21:48] [INFO ] After 25043ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 17 ms.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 163 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 155 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:21:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:21:48] [INFO ] Invariant cache hit.
[2023-03-16 07:21:50] [INFO ] Implicit Places using invariants in 1933 ms returned []
Implicit Place search using SMT only with invariants took 1945 ms to find 0 implicit places.
[2023-03-16 07:21:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:21:50] [INFO ] Invariant cache hit.
[2023-03-16 07:21:59] [INFO ] Dead Transitions using invariants and state equation in 9105 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11209 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT p1))), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 261 ms. Reduced automaton from 3 states, 4 edges and 2 AP (stutter sensitive) to 3 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 121 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0))]
[2023-03-16 07:22:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:22:00] [INFO ] Invariant cache hit.
Could not prove EG (NOT p1)
[2023-03-16 07:22:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:22:15] [INFO ] Invariant cache hit.
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 132 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 0 reset in 3350 ms.
Product exploration explored 100000 steps with 0 reset in 3590 ms.
Applying partial POR strategy [false, true, true]
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p0))]
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 162 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:22:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:22:37] [INFO ] Invariant cache hit.
[2023-03-16 07:22:46] [INFO ] Dead Transitions using invariants and state equation in 8810 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8976 ms. Remains : 626/626 places, 31352/31352 transitions.
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 69 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:22:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:22:46] [INFO ] Invariant cache hit.
[2023-03-16 07:22:48] [INFO ] Implicit Places using invariants in 1970 ms returned []
Implicit Place search using SMT only with invariants took 1970 ms to find 0 implicit places.
[2023-03-16 07:22:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:22:48] [INFO ] Invariant cache hit.
[2023-03-16 07:22:57] [INFO ] Dead Transitions using invariants and state equation in 8999 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11040 ms. Remains : 626/626 places, 31352/31352 transitions.
Treatment of property RERS17pb113-PT-8-LTLFireability-14 finished in 324147 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(p0) U X(p1))||F(p2)))'
Support contains 6 out of 627 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Applied a total of 0 rules in 75 ms. Remains 627 /627 variables (removed 0) and now considering 31353/31353 (removed 0) transitions.
[2023-03-16 07:22:58] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 07:22:58] [INFO ] Computed 13 place invariants in 53 ms
[2023-03-16 07:23:00] [INFO ] Implicit Places using invariants in 2081 ms returned []
Implicit Place search using SMT only with invariants took 2083 ms to find 0 implicit places.
[2023-03-16 07:23:00] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:23:00] [INFO ] Invariant cache hit.
[2023-03-16 07:23:09] [INFO ] Dead Transitions using invariants and state equation in 9034 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11194 ms. Remains : 627/627 places, 31353/31353 transitions.
Stuttering acceptance computed with spot in 277 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : RERS17pb113-PT-8-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=(AND p0 (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 3}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(AND p0 (NOT p2)), acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s132 1) (GEQ s496 1)), p2:(AND (GEQ s218 1) (GEQ s334 1)), p1:(AND (GEQ s317 1) (GEQ s596 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 1 reset in 4098 ms.
Product exploration explored 100000 steps with 2 reset in 4288 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 423 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 68 ms :[(NOT p2), (NOT p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 322 ms. (steps per millisecond=31 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 25646 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25646 steps, saw 23223 distinct states, run finished after 3001 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:23:22] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2023-03-16 07:23:22] [INFO ] Invariant cache hit.
[2023-03-16 07:23:22] [INFO ] [Real]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:23:47] [INFO ] After 24552ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:23:47] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:24:11] [INFO ] After 24448ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:24:11] [INFO ] State equation strengthened by 829 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.verifyPossible(DeadlockTester.java:642)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-16 07:24:12] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 07:24:12] [INFO ] After 25033ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 627 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 626 transition count 31352
Applied a total of 1 rules in 345 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 347 ms. Remains : 626/627 places, 31352/31353 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 367 ms. (steps per millisecond=27 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 25053 steps, run timeout after 3001 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 25053 steps, saw 22713 distinct states, run finished after 3002 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:24:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:24:16] [INFO ] Computed 13 place invariants in 59 ms
[2023-03-16 07:24:16] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
[2023-03-16 07:24:33] [INFO ] After 17056ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-16 07:24:33] [INFO ] [Nat]Absence check using 13 positive place invariants in 6 ms returned sat
[2023-03-16 07:24:50] [INFO ] After 17450ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-16 07:24:50] [INFO ] State equation strengthened by 268 read => feed constraints.
[2023-03-16 07:24:58] [INFO ] After 7206ms SMT Verify possible using 268 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-16 07:24:58] [INFO ] After 7377ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :0
[2023-03-16 07:24:58] [INFO ] After 25036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 7 ms.
Support contains 2 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 193 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 183 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2023-03-16 07:24:58] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:24:58] [INFO ] Invariant cache hit.
[2023-03-16 07:25:00] [INFO ] Implicit Places using invariants in 1991 ms returned []
Implicit Place search using SMT only with invariants took 2007 ms to find 0 implicit places.
[2023-03-16 07:25:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:25:00] [INFO ] Invariant cache hit.
[2023-03-16 07:25:09] [INFO ] Dead Transitions using invariants and state equation in 8701 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10911 ms. Remains : 626/626 places, 31352/31352 transitions.
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (AND (NOT p0) (NOT p2) (NOT p1))), (X (AND (NOT p2) (NOT p1))), (X (NOT (AND p0 (NOT p2) (NOT p1)))), (X (X (AND (NOT p0) (NOT p2) (NOT p1)))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p2) (NOT p1))))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 534 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p2)]
Stuttering acceptance computed with spot in 45 ms :[(NOT p2)]
[2023-03-16 07:25:10] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 627 cols
[2023-03-16 07:25:10] [INFO ] Computed 13 place invariants in 53 ms
Could not prove EG (NOT p2)
Support contains 2 out of 627 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 627/627 places, 31353/31353 transitions.
Reduce places removed 1 places and 1 transitions.
Applied a total of 0 rules in 164 ms. Remains 626 /627 variables (removed 1) and now considering 31352/31353 (removed 1) transitions.
[2023-03-16 07:25:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2023-03-16 07:25:25] [INFO ] Computed 13 place invariants in 50 ms
[2023-03-16 07:25:27] [INFO ] Implicit Places using invariants in 2038 ms returned []
Implicit Place search using SMT only with invariants took 2042 ms to find 0 implicit places.
[2023-03-16 07:25:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:25:27] [INFO ] Invariant cache hit.
[2023-03-16 07:25:36] [INFO ] Dead Transitions using invariants and state equation in 9207 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 11433 ms. Remains : 626/627 places, 31352/31353 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p2), (X (NOT p2)), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 134 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p2)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 283 ms. (steps per millisecond=35 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 26484 steps, run timeout after 3002 ms. (steps per millisecond=8 ) properties seen :{}
Probabilistic random walk after 26484 steps, saw 23992 distinct states, run finished after 3003 ms. (steps per millisecond=8 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-16 07:25:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2023-03-16 07:25:40] [INFO ] Invariant cache hit.
[2023-03-16 07:25:40] [INFO ] [Real]Absence check using 13 positive place invariants in 7 ms returned sat
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 10889348 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16058840 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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

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="RERS17pb113-PT-8"
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 RERS17pb113-PT-8, 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 r327-tall-167889199100060"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-8.tgz
mv RERS17pb113-PT-8 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 ;