About the Execution of LTSMin+red for Peterson-PT-6
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 9574.376 | 2072828.00 | 7475537.00 | 1798.30 | FFFF?FFFFFF?FFFF | normal |
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.r265-smll-167863540300636.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 ltsminxred
Input is Peterson-PT-6, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r265-smll-167863540300636
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.0M
-rw-r--r-- 1 mcc users 204K Feb 25 22:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 847K Feb 25 22:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 215K Feb 25 22:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 986K Feb 25 22:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 124K Feb 25 16:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 364K Feb 25 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 82K Feb 25 16:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 288K Feb 25 16:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 402K Feb 25 22:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.6M Feb 25 22:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 198K Feb 25 22:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 839K Feb 25 22:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 20K Feb 25 16:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 44K Feb 25 16:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 877K 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 Peterson-PT-6-LTLFireability-00
FORMULA_NAME Peterson-PT-6-LTLFireability-01
FORMULA_NAME Peterson-PT-6-LTLFireability-02
FORMULA_NAME Peterson-PT-6-LTLFireability-03
FORMULA_NAME Peterson-PT-6-LTLFireability-04
FORMULA_NAME Peterson-PT-6-LTLFireability-05
FORMULA_NAME Peterson-PT-6-LTLFireability-06
FORMULA_NAME Peterson-PT-6-LTLFireability-07
FORMULA_NAME Peterson-PT-6-LTLFireability-08
FORMULA_NAME Peterson-PT-6-LTLFireability-09
FORMULA_NAME Peterson-PT-6-LTLFireability-10
FORMULA_NAME Peterson-PT-6-LTLFireability-11
FORMULA_NAME Peterson-PT-6-LTLFireability-12
FORMULA_NAME Peterson-PT-6-LTLFireability-13
FORMULA_NAME Peterson-PT-6-LTLFireability-14
FORMULA_NAME Peterson-PT-6-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1679161885883
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=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-PT-6
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-18 17:51:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-18 17:51:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 17:51:28] [INFO ] Load time of PNML (sax parser for PT used): 236 ms
[2023-03-18 17:51:28] [INFO ] Transformed 1330 places.
[2023-03-18 17:51:28] [INFO ] Transformed 2030 transitions.
[2023-03-18 17:51:28] [INFO ] Found NUPN structural information;
[2023-03-18 17:51:28] [INFO ] Completing missing partition info from NUPN : creating a component with [IsEndLoop_3_0_5, IsEndLoop_0_0_5, BeginLoop_6_0_1, BeginLoop_5_0_1, BeginLoop_4_0_1, BeginLoop_4_2_2, BeginLoop_5_2_2, BeginLoop_6_2_2, BeginLoop_1_4_3, BeginLoop_1_3_3, BeginLoop_0_0_5, BeginLoop_2_5_4, BeginLoop_3_0_6, BeginLoop_1_1_6, TestAlone_2_1_3, TestAlone_2_0_3, TestAlone_6_4_3, TestAlone_6_0_4, TestAlone_5_0_4, TestAlone_5_2_3, TestAlone_4_3_6, TestAlone_4_4_6, TestAlone_0_4_5, TestAlone_3_3_5, TestTurn_3_5, TestTurn_3_4, TestIdentity_1_5_2, TestIdentity_1_2_3, TestIdentity_3_1_3, TestIdentity_0_4_6, TestIdentity_4_2_5, TestIdentity_4_3_5, TestIdentity_5_3_5, TestIdentity_6_3_5, TestIdentity_6_4_5, TestIdentity_5_4_5]
[2023-03-18 17:51:28] [INFO ] Parsed PT model containing 1330 places and 2030 transitions and 6272 arcs in 444 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 39 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA Peterson-PT-6-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-PT-6-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 1330 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 48 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:51:29] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1330 cols
[2023-03-18 17:51:29] [INFO ] Computed 27 place invariants in 47 ms
[2023-03-18 17:51:30] [INFO ] Implicit Places using invariants in 845 ms returned []
[2023-03-18 17:51:30] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:51:30] [INFO ] Invariant cache hit.
[2023-03-18 17:51:32] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:51:32] [INFO ] Implicit Places using invariants and state equation in 1475 ms returned []
Implicit Place search using SMT with State Equation took 2438 ms to find 0 implicit places.
[2023-03-18 17:51:32] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:51:32] [INFO ] Invariant cache hit.
[2023-03-18 17:51:34] [INFO ] Dead Transitions using invariants and state equation in 1981 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4472 ms. Remains : 1330/1330 places, 2030/2030 transitions.
Support contains 1330 out of 1330 places after structural reductions.
[2023-03-18 17:51:34] [INFO ] Flatten gal took : 218 ms
[2023-03-18 17:51:35] [INFO ] Flatten gal took : 143 ms
[2023-03-18 17:51:35] [INFO ] Input system was already deterministic with 2030 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1001 ms. (steps per millisecond=9 ) properties (out of 37) seen :30
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 93 ms. (steps per millisecond=107 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 7) 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 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 7) seen :0
Running SMT prover for 7 properties.
[2023-03-18 17:51:37] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:51:37] [INFO ] Invariant cache hit.
[2023-03-18 17:51:37] [INFO ] [Real]Absence check using 20 positive place invariants in 28 ms returned sat
[2023-03-18 17:51:37] [INFO ] [Real]Absence check using 20 positive and 7 generalized place invariants in 6 ms returned sat
[2023-03-18 17:51:37] [INFO ] After 832ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-18 17:51:38] [INFO ] [Nat]Absence check using 20 positive place invariants in 23 ms returned sat
[2023-03-18 17:51:38] [INFO ] [Nat]Absence check using 20 positive and 7 generalized place invariants in 6 ms returned sat
[2023-03-18 17:51:40] [INFO ] After 1571ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-18 17:51:40] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:51:41] [INFO ] After 1057ms SMT Verify possible using 330 Read/Feed constraints in natural domain returned unsat :0 sat :7
[2023-03-18 17:51:42] [INFO ] Deduced a trap composed of 16 places in 994 ms of which 6 ms to minimize.
[2023-03-18 17:51:43] [INFO ] Deduced a trap composed of 29 places in 853 ms of which 7 ms to minimize.
[2023-03-18 17:51:44] [INFO ] Deduced a trap composed of 29 places in 876 ms of which 2 ms to minimize.
[2023-03-18 17:51:45] [INFO ] Deduced a trap composed of 12 places in 953 ms of which 2 ms to minimize.
[2023-03-18 17:51:46] [INFO ] Deduced a trap composed of 29 places in 874 ms of which 18 ms to minimize.
[2023-03-18 17:51:47] [INFO ] Deduced a trap composed of 29 places in 786 ms of which 2 ms to minimize.
[2023-03-18 17:51:48] [INFO ] Deduced a trap composed of 45 places in 888 ms of which 1 ms to minimize.
[2023-03-18 17:51:49] [INFO ] Deduced a trap composed of 29 places in 854 ms of which 15 ms to minimize.
[2023-03-18 17:51:50] [INFO ] Deduced a trap composed of 29 places in 751 ms of which 2 ms to minimize.
[2023-03-18 17:51:50] [INFO ] Deduced a trap composed of 102 places in 641 ms of which 1 ms to minimize.
[2023-03-18 17:51:51] [INFO ] Deduced a trap composed of 102 places in 660 ms of which 1 ms to minimize.
[2023-03-18 17:51:52] [INFO ] Deduced a trap composed of 102 places in 697 ms of which 1 ms to minimize.
[2023-03-18 17:51:53] [INFO ] Deduced a trap composed of 132 places in 749 ms of which 1 ms to minimize.
[2023-03-18 17:51:54] [INFO ] Deduced a trap composed of 168 places in 724 ms of which 1 ms to minimize.
[2023-03-18 17:51:54] [INFO ] Deduced a trap composed of 121 places in 777 ms of which 2 ms to minimize.
[2023-03-18 17:51:55] [INFO ] Deduced a trap composed of 202 places in 759 ms of which 1 ms to minimize.
[2023-03-18 17:51:56] [INFO ] Deduced a trap composed of 60 places in 697 ms of which 1 ms to minimize.
[2023-03-18 17:51:57] [INFO ] Deduced a trap composed of 144 places in 654 ms of which 2 ms to minimize.
[2023-03-18 17:51:58] [INFO ] Deduced a trap composed of 72 places in 756 ms of which 3 ms to minimize.
[2023-03-18 17:51:59] [INFO ] Deduced a trap composed of 144 places in 849 ms of which 3 ms to minimize.
[2023-03-18 17:51:59] [INFO ] Deduced a trap composed of 72 places in 736 ms of which 1 ms to minimize.
[2023-03-18 17:52:00] [INFO ] Deduced a trap composed of 91 places in 726 ms of which 1 ms to minimize.
[2023-03-18 17:52:01] [INFO ] Deduced a trap composed of 72 places in 732 ms of which 1 ms to minimize.
[2023-03-18 17:52:02] [INFO ] Deduced a trap composed of 72 places in 732 ms of which 1 ms to minimize.
[2023-03-18 17:52:03] [INFO ] Deduced a trap composed of 102 places in 884 ms of which 4 ms to minimize.
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.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-18 17:52:03] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-18 17:52:03] [INFO ] After 25392ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:7
Parikh walk visited 0 properties in 76 ms.
Support contains 60 out of 1330 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Drop transitions removed 572 transitions
Trivial Post-agglo rules discarded 572 transitions
Performed 572 trivial Post agglomeration. Transition count delta: 572
Iterating post reduction 0 with 572 rules applied. Total rules applied 572 place count 1330 transition count 1458
Reduce places removed 572 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 573 rules applied. Total rules applied 1145 place count 758 transition count 1457
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1146 place count 757 transition count 1457
Performed 300 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 300 Pre rules applied. Total rules applied 1146 place count 757 transition count 1157
Deduced a syphon composed of 300 places in 2 ms
Reduce places removed 300 places and 0 transitions.
Iterating global reduction 3 with 600 rules applied. Total rules applied 1746 place count 457 transition count 1157
Applied a total of 1746 rules in 247 ms. Remains 457 /1330 variables (removed 873) and now considering 1157/2030 (removed 873) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 248 ms. Remains : 457/1330 places, 1157/2030 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 413 ms. (steps per millisecond=24 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 7) 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 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 6) seen :1
Running SMT prover for 5 properties.
[2023-03-18 17:52:04] [INFO ] Flow matrix only has 947 transitions (discarded 210 similar events)
// Phase 1: matrix 947 rows 457 cols
[2023-03-18 17:52:04] [INFO ] Computed 27 place invariants in 7 ms
[2023-03-18 17:52:04] [INFO ] [Real]Absence check using 20 positive place invariants in 8 ms returned sat
[2023-03-18 17:52:04] [INFO ] [Real]Absence check using 20 positive and 7 generalized place invariants in 2 ms returned sat
[2023-03-18 17:52:05] [INFO ] After 613ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-18 17:52:05] [INFO ] [Nat]Absence check using 20 positive place invariants in 10 ms returned sat
[2023-03-18 17:52:05] [INFO ] [Nat]Absence check using 20 positive and 7 generalized place invariants in 3 ms returned sat
[2023-03-18 17:52:05] [INFO ] After 554ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-18 17:52:05] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:52:06] [INFO ] After 342ms SMT Verify possible using 330 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-18 17:52:06] [INFO ] Deduced a trap composed of 19 places in 238 ms of which 1 ms to minimize.
[2023-03-18 17:52:06] [INFO ] Deduced a trap composed of 37 places in 214 ms of which 1 ms to minimize.
[2023-03-18 17:52:07] [INFO ] Deduced a trap composed of 10 places in 250 ms of which 0 ms to minimize.
[2023-03-18 17:52:07] [INFO ] Deduced a trap composed of 10 places in 238 ms of which 1 ms to minimize.
[2023-03-18 17:52:07] [INFO ] Deduced a trap composed of 10 places in 230 ms of which 1 ms to minimize.
[2023-03-18 17:52:07] [INFO ] Deduced a trap composed of 20 places in 236 ms of which 1 ms to minimize.
[2023-03-18 17:52:08] [INFO ] Deduced a trap composed of 19 places in 226 ms of which 1 ms to minimize.
[2023-03-18 17:52:08] [INFO ] Deduced a trap composed of 11 places in 241 ms of which 1 ms to minimize.
[2023-03-18 17:52:08] [INFO ] Deduced a trap composed of 13 places in 215 ms of which 1 ms to minimize.
[2023-03-18 17:52:09] [INFO ] Deduced a trap composed of 40 places in 231 ms of which 6 ms to minimize.
[2023-03-18 17:52:09] [INFO ] Deduced a trap composed of 37 places in 201 ms of which 1 ms to minimize.
[2023-03-18 17:52:09] [INFO ] Deduced a trap composed of 37 places in 206 ms of which 1 ms to minimize.
[2023-03-18 17:52:09] [INFO ] Deduced a trap composed of 22 places in 247 ms of which 1 ms to minimize.
[2023-03-18 17:52:10] [INFO ] Deduced a trap composed of 20 places in 211 ms of which 1 ms to minimize.
[2023-03-18 17:52:10] [INFO ] Deduced a trap composed of 24 places in 202 ms of which 0 ms to minimize.
[2023-03-18 17:52:10] [INFO ] Deduced a trap composed of 20 places in 279 ms of which 0 ms to minimize.
[2023-03-18 17:52:10] [INFO ] Deduced a trap composed of 46 places in 253 ms of which 0 ms to minimize.
[2023-03-18 17:52:11] [INFO ] Deduced a trap composed of 76 places in 241 ms of which 1 ms to minimize.
[2023-03-18 17:52:11] [INFO ] Deduced a trap composed of 76 places in 294 ms of which 1 ms to minimize.
[2023-03-18 17:52:11] [INFO ] Deduced a trap composed of 46 places in 267 ms of which 0 ms to minimize.
[2023-03-18 17:52:12] [INFO ] Deduced a trap composed of 46 places in 259 ms of which 1 ms to minimize.
[2023-03-18 17:52:12] [INFO ] Trap strengthening (SAT) tested/added 22/21 trap constraints in 5926 ms
[2023-03-18 17:52:12] [INFO ] Deduced a trap composed of 13 places in 194 ms of which 1 ms to minimize.
[2023-03-18 17:52:12] [INFO ] Deduced a trap composed of 23 places in 220 ms of which 1 ms to minimize.
[2023-03-18 17:52:13] [INFO ] Deduced a trap composed of 15 places in 214 ms of which 1 ms to minimize.
[2023-03-18 17:52:13] [INFO ] Deduced a trap composed of 14 places in 230 ms of which 0 ms to minimize.
[2023-03-18 17:52:13] [INFO ] Deduced a trap composed of 35 places in 241 ms of which 2 ms to minimize.
[2023-03-18 17:52:14] [INFO ] Deduced a trap composed of 45 places in 257 ms of which 1 ms to minimize.
[2023-03-18 17:52:14] [INFO ] Deduced a trap composed of 45 places in 246 ms of which 1 ms to minimize.
[2023-03-18 17:52:14] [INFO ] Deduced a trap composed of 35 places in 238 ms of which 0 ms to minimize.
[2023-03-18 17:52:14] [INFO ] Deduced a trap composed of 35 places in 247 ms of which 1 ms to minimize.
[2023-03-18 17:52:14] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 2497 ms
[2023-03-18 17:52:15] [INFO ] Deduced a trap composed of 21 places in 262 ms of which 1 ms to minimize.
[2023-03-18 17:52:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 331 ms
[2023-03-18 17:52:15] [INFO ] After 9466ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 370 ms.
[2023-03-18 17:52:15] [INFO ] After 10621ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 43 ms.
Support contains 57 out of 457 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 457/457 places, 1157/1157 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 457 transition count 1156
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 456 transition count 1156
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 456 transition count 1155
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 455 transition count 1155
Applied a total of 4 rules in 49 ms. Remains 455 /457 variables (removed 2) and now considering 1155/1157 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 455/457 places, 1155/1157 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 280 ms. (steps per millisecond=35 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 5) 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 5) 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 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
Interrupted probabilistic random walk after 368000 steps, run timeout after 3001 ms. (steps per millisecond=122 ) properties seen :{}
Probabilistic random walk after 368000 steps, saw 53693 distinct states, run finished after 3003 ms. (steps per millisecond=122 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-18 17:52:19] [INFO ] Flow matrix only has 945 transitions (discarded 210 similar events)
// Phase 1: matrix 945 rows 455 cols
[2023-03-18 17:52:19] [INFO ] Computed 27 place invariants in 11 ms
[2023-03-18 17:52:19] [INFO ] [Real]Absence check using 20 positive place invariants in 10 ms returned sat
[2023-03-18 17:52:19] [INFO ] [Real]Absence check using 20 positive and 7 generalized place invariants in 2 ms returned sat
[2023-03-18 17:52:20] [INFO ] After 590ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-18 17:52:20] [INFO ] [Nat]Absence check using 20 positive place invariants in 10 ms returned sat
[2023-03-18 17:52:20] [INFO ] [Nat]Absence check using 20 positive and 7 generalized place invariants in 3 ms returned sat
[2023-03-18 17:52:20] [INFO ] After 523ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-18 17:52:20] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:52:21] [INFO ] After 325ms SMT Verify possible using 330 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-18 17:52:21] [INFO ] Deduced a trap composed of 12 places in 168 ms of which 1 ms to minimize.
[2023-03-18 17:52:21] [INFO ] Deduced a trap composed of 20 places in 179 ms of which 1 ms to minimize.
[2023-03-18 17:52:21] [INFO ] Deduced a trap composed of 12 places in 177 ms of which 1 ms to minimize.
[2023-03-18 17:52:21] [INFO ] Deduced a trap composed of 12 places in 181 ms of which 0 ms to minimize.
[2023-03-18 17:52:22] [INFO ] Deduced a trap composed of 12 places in 177 ms of which 1 ms to minimize.
[2023-03-18 17:52:22] [INFO ] Deduced a trap composed of 21 places in 205 ms of which 0 ms to minimize.
[2023-03-18 17:52:22] [INFO ] Deduced a trap composed of 51 places in 238 ms of which 5 ms to minimize.
[2023-03-18 17:52:22] [INFO ] Deduced a trap composed of 52 places in 221 ms of which 4 ms to minimize.
[2023-03-18 17:52:23] [INFO ] Deduced a trap composed of 19 places in 231 ms of which 1 ms to minimize.
[2023-03-18 17:52:23] [INFO ] Deduced a trap composed of 21 places in 230 ms of which 5 ms to minimize.
[2023-03-18 17:52:23] [INFO ] Deduced a trap composed of 31 places in 188 ms of which 5 ms to minimize.
[2023-03-18 17:52:24] [INFO ] Deduced a trap composed of 30 places in 212 ms of which 1 ms to minimize.
[2023-03-18 17:52:24] [INFO ] Deduced a trap composed of 31 places in 238 ms of which 1 ms to minimize.
[2023-03-18 17:52:24] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 3225 ms
[2023-03-18 17:52:24] [INFO ] Deduced a trap composed of 10 places in 259 ms of which 1 ms to minimize.
[2023-03-18 17:52:25] [INFO ] Deduced a trap composed of 11 places in 243 ms of which 0 ms to minimize.
[2023-03-18 17:52:25] [INFO ] Deduced a trap composed of 28 places in 227 ms of which 1 ms to minimize.
[2023-03-18 17:52:25] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 887 ms
[2023-03-18 17:52:25] [INFO ] Deduced a trap composed of 70 places in 191 ms of which 0 ms to minimize.
[2023-03-18 17:52:25] [INFO ] Deduced a trap composed of 69 places in 219 ms of which 0 ms to minimize.
[2023-03-18 17:52:26] [INFO ] Deduced a trap composed of 38 places in 219 ms of which 0 ms to minimize.
[2023-03-18 17:52:26] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 802 ms
[2023-03-18 17:52:26] [INFO ] Deduced a trap composed of 35 places in 216 ms of which 1 ms to minimize.
[2023-03-18 17:52:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 286 ms
[2023-03-18 17:52:26] [INFO ] After 5860ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 343 ms.
[2023-03-18 17:52:26] [INFO ] After 6959ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 6 ms.
Support contains 57 out of 455 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 455/455 places, 1155/1155 transitions.
Applied a total of 0 rules in 50 ms. Remains 455 /455 variables (removed 0) and now considering 1155/1155 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 455/455 places, 1155/1155 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 455/455 places, 1155/1155 transitions.
Applied a total of 0 rules in 53 ms. Remains 455 /455 variables (removed 0) and now considering 1155/1155 (removed 0) transitions.
[2023-03-18 17:52:27] [INFO ] Flow matrix only has 945 transitions (discarded 210 similar events)
[2023-03-18 17:52:27] [INFO ] Invariant cache hit.
[2023-03-18 17:52:27] [INFO ] Implicit Places using invariants in 617 ms returned []
[2023-03-18 17:52:27] [INFO ] Flow matrix only has 945 transitions (discarded 210 similar events)
[2023-03-18 17:52:27] [INFO ] Invariant cache hit.
[2023-03-18 17:52:28] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:52:29] [INFO ] Implicit Places using invariants and state equation in 2268 ms returned []
Implicit Place search using SMT with State Equation took 2921 ms to find 0 implicit places.
[2023-03-18 17:52:30] [INFO ] Redundant transitions in 111 ms returned []
[2023-03-18 17:52:30] [INFO ] Flow matrix only has 945 transitions (discarded 210 similar events)
[2023-03-18 17:52:30] [INFO ] Invariant cache hit.
[2023-03-18 17:52:30] [INFO ] Dead Transitions using invariants and state equation in 777 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3902 ms. Remains : 455/455 places, 1155/1155 transitions.
Graph (trivial) has 803 edges and 455 vertex of which 293 / 455 are part of one of the 42 SCC in 6 ms
Free SCC test removed 251 places
Drop transitions removed 502 transitions
Ensure Unique test removed 210 transitions
Reduce isomorphic transitions removed 712 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 15 place count 197 transition count 479
Drop transitions removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 0 with 36 rules applied. Total rules applied 51 place count 197 transition count 443
Partial Free-agglomeration rule applied 43 times.
Drop transitions removed 43 transitions
Iterating global reduction 0 with 43 rules applied. Total rules applied 94 place count 197 transition count 443
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 99 place count 197 transition count 438
Applied a total of 99 rules in 89 ms. Remains 197 /455 variables (removed 258) and now considering 438/1155 (removed 717) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 438 rows 197 cols
[2023-03-18 17:52:31] [INFO ] Computed 27 place invariants in 2 ms
[2023-03-18 17:52:31] [INFO ] [Real]Absence check using 20 positive place invariants in 6 ms returned sat
[2023-03-18 17:52:31] [INFO ] [Real]Absence check using 20 positive and 7 generalized place invariants in 2 ms returned sat
[2023-03-18 17:52:31] [INFO ] After 277ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-18 17:52:31] [INFO ] [Nat]Absence check using 20 positive place invariants in 7 ms returned sat
[2023-03-18 17:52:31] [INFO ] [Nat]Absence check using 20 positive and 7 generalized place invariants in 3 ms returned sat
[2023-03-18 17:52:31] [INFO ] After 328ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-18 17:52:32] [INFO ] After 596ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 206 ms.
[2023-03-18 17:52:32] [INFO ] After 963ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
FORMULA Peterson-PT-6-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p1)&&p0))))'
Support contains 336 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 26 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:52:33] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1330 cols
[2023-03-18 17:52:33] [INFO ] Computed 27 place invariants in 10 ms
[2023-03-18 17:52:33] [INFO ] Implicit Places using invariants in 732 ms returned [1205, 1206, 1208, 1301, 1302, 1303, 1304]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 745 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1323/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 25 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 798 ms. Remains : 1323/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 452 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : Peterson-PT-6-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (EQ s911 0) (EQ s1106 0) (EQ s1033 0) (EQ s968 0) (EQ s1233 0) (EQ s903 0) (EQ s1114 0) (EQ s1241 0) (EQ s1025 0) (EQ s1155 0) (EQ s1090 0) (EQ s9...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 388 steps with 25 reset in 44 ms.
FORMULA Peterson-PT-6-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-PT-6-LTLFireability-00 finished in 1383 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(G((p1&&(p2||F(p3)))))||p0)))'
Support contains 392 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 24 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:52:34] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:52:34] [INFO ] Invariant cache hit.
[2023-03-18 17:52:35] [INFO ] Implicit Places using invariants in 747 ms returned []
[2023-03-18 17:52:35] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:52:35] [INFO ] Invariant cache hit.
[2023-03-18 17:52:36] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:52:42] [INFO ] Implicit Places using invariants and state equation in 7292 ms returned []
Implicit Place search using SMT with State Equation took 8050 ms to find 0 implicit places.
[2023-03-18 17:52:42] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:52:42] [INFO ] Invariant cache hit.
[2023-03-18 17:52:44] [INFO ] Dead Transitions using invariants and state equation in 1773 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9850 ms. Remains : 1330/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 246 ms :[(OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (NOT p1) (AND (NOT p2) (NOT p3))), (OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : Peterson-PT-6-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p2) p1 (NOT p3)), acceptance={} source=0 dest: 2}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) p1 (NOT p3)), acceptance={} source=1 dest: 2}], [{ cond=(AND p2 p1 (NOT p3)), acceptance={} source=2 dest: 2}, { cond=(OR (AND (NOT p2) (NOT p3)) (AND (NOT p1) (NOT p3))), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p0:(OR (AND (EQ s943 1) (EQ s1182 1)) (AND (EQ s915 1) (EQ s1197 1)) (AND (EQ s914 1) (EQ s1184 1)) (AND (EQ s924 1) (EQ s1195 1)) (AND (EQ s938 1) (EQ s1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 1002 reset in 2866 ms.
Stack based approach found an accepted trace after 1248 steps with 12 reset with depth 46 and stack size 46 in 36 ms.
FORMULA Peterson-PT-6-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-6-LTLFireability-01 finished in 13039 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((p0&&F(p1)))))'
Support contains 112 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 43 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:52:47] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:52:47] [INFO ] Invariant cache hit.
[2023-03-18 17:52:48] [INFO ] Implicit Places using invariants in 626 ms returned []
[2023-03-18 17:52:48] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:52:48] [INFO ] Invariant cache hit.
[2023-03-18 17:52:49] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:52:52] [INFO ] Implicit Places using invariants and state equation in 4638 ms returned []
Implicit Place search using SMT with State Equation took 5267 ms to find 0 implicit places.
[2023-03-18 17:52:52] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:52:52] [INFO ] Invariant cache hit.
[2023-03-18 17:52:55] [INFO ] Dead Transitions using invariants and state equation in 2298 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7611 ms. Remains : 1330/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 178 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Peterson-PT-6-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=4, aps=[p1:(AND (OR (EQ s943 0) (EQ s1182 0)) (OR (EQ s915 0) (EQ s1197 0)) (OR (EQ s914 0) (EQ s1184 0)) (OR (EQ s924 0) (EQ s1195 0)) (OR (EQ s938 0) (EQ s1187 ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 2 ms.
FORMULA Peterson-PT-6-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-PT-6-LTLFireability-02 finished in 7815 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(X(p0))||(G(p2)&&p1))))'
Support contains 630 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 14 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:52:55] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:52:55] [INFO ] Invariant cache hit.
[2023-03-18 17:52:56] [INFO ] Implicit Places using invariants in 776 ms returned [1205, 1206, 1208, 1301, 1302, 1303, 1304]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 779 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1323/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 14 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 813 ms. Remains : 1323/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 239 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p2)), (NOT p0), true, (AND (NOT p2) (NOT p0)), (NOT p2)]
Running random walk in product with property : Peterson-PT-6-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(OR (NOT p1) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND p1 p2), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p2), acceptance={} source=2 dest: 3}, { cond=p2, acceptance={} source=2 dest: 5}], [{ cond=(NOT p0), acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=5 dest: 4}, { cond=(AND p2 (NOT p0)), acceptance={} source=5 dest: 6}], [{ cond=(NOT p2), acceptance={} source=6 dest: 4}, { cond=p2, acceptance={} source=6 dest: 6}]], initial=0, aps=[p1:(AND (EQ s1 0) (EQ s131 0) (EQ s66 0) (EQ s196 0) (EQ s139 0) (EQ s9 0) (EQ s74 0) (EQ s204 0) (EQ s17 0) (EQ s147 0) (EQ s82 0) (EQ s212 0) (EQ s155 0...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 33 steps with 0 reset in 1 ms.
FORMULA Peterson-PT-6-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-PT-6-LTLFireability-03 finished in 1085 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)||(X(G(p1))&&G(p2))))'
Support contains 378 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 21 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:52:56] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:52:56] [INFO ] Invariant cache hit.
[2023-03-18 17:52:57] [INFO ] Implicit Places using invariants in 743 ms returned [1205, 1206, 1208, 1301, 1302, 1303, 1304]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 745 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1323/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 25 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 792 ms. Remains : 1323/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 116 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0)]
Running random walk in product with property : Peterson-PT-6-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) p2 p1), acceptance={} source=1 dest: 1}, { cond=(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (EQ s943 1) (EQ s1182 1)) (AND (EQ s915 1) (EQ s1197 1)) (AND (EQ s914 1) (EQ s1184 1)) (AND (EQ s924 1) (EQ s1195 1)) (AND (EQ s938 1) (EQ s1...], 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][false, false, false]]
Product exploration explored 100000 steps with 19899 reset in 1724 ms.
Product exploration explored 100000 steps with 19962 reset in 1744 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 p2) (NOT p1)), (X (NOT (AND (NOT p0) p2 p1))), (X (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X (X (NOT (AND (NOT p0) p2 p1))))]
False Knowledge obtained : [(X (X (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))))), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 5 factoid took 298 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Finished random walk after 5 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=5 )
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT (AND (NOT p0) p2 p1))), (X (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X (X (NOT (AND (NOT p0) p2 p1))))]
False Knowledge obtained : [(X (X (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))))), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 5 factoid took 302 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 35 ms :[(NOT p0)]
[2023-03-18 17:53:01] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1323 cols
[2023-03-18 17:53:01] [INFO ] Computed 20 place invariants in 10 ms
[2023-03-18 17:53:04] [INFO ] [Real]Absence check using 20 positive place invariants in 61 ms returned sat
[2023-03-18 17:53:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 17:53:09] [INFO ] [Real]Absence check using state equation in 5022 ms returned sat
[2023-03-18 17:53:09] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 17:53:12] [INFO ] [Nat]Absence check using 20 positive place invariants in 45 ms returned sat
[2023-03-18 17:53:12] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 17:53:17] [INFO ] [Nat]Absence check using state equation in 4661 ms returned sat
[2023-03-18 17:53:17] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:53:17] [INFO ] [Nat]Added 330 Read/Feed constraints in 356 ms returned sat
[2023-03-18 17:53:19] [INFO ] Deduced a trap composed of 41 places in 1038 ms of which 1 ms to minimize.
[2023-03-18 17:53:20] [INFO ] Deduced a trap composed of 12 places in 970 ms of which 2 ms to minimize.
[2023-03-18 17:53:21] [INFO ] Deduced a trap composed of 16 places in 930 ms of which 1 ms to minimize.
[2023-03-18 17:53:21] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 3416 ms
[2023-03-18 17:53:21] [INFO ] Computed and/alt/rep : 1729/3542/1729 causal constraints (skipped 84 transitions) in 159 ms.
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.refineWithCausalOrder(DeadlockTester.java:1186)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:520)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:614)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:580)
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)
[2023-03-18 17:53:24] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Support contains 84 out of 1323 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 : 1323/1323 places, 2030/2030 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 1323 transition count 2024
Reduce places removed 6 places and 0 transitions.
Performed 294 Post agglomeration using F-continuation condition.Transition count delta: 294
Iterating post reduction 1 with 300 rules applied. Total rules applied 306 place count 1317 transition count 1730
Reduce places removed 294 places and 0 transitions.
Iterating post reduction 2 with 294 rules applied. Total rules applied 600 place count 1023 transition count 1730
Performed 42 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 42 Pre rules applied. Total rules applied 600 place count 1023 transition count 1688
Deduced a syphon composed of 42 places in 1 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 3 with 84 rules applied. Total rules applied 684 place count 981 transition count 1688
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 3 with 72 rules applied. Total rules applied 756 place count 945 transition count 1652
Applied a total of 756 rules in 189 ms. Remains 945 /1323 variables (removed 378) and now considering 1652/2030 (removed 378) transitions.
[2023-03-18 17:53:24] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
// Phase 1: matrix 1442 rows 945 cols
[2023-03-18 17:53:24] [INFO ] Computed 20 place invariants in 5 ms
[2023-03-18 17:53:25] [INFO ] Implicit Places using invariants in 511 ms returned []
[2023-03-18 17:53:25] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
[2023-03-18 17:53:25] [INFO ] Invariant cache hit.
[2023-03-18 17:53:26] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:53:30] [INFO ] Implicit Places using invariants and state equation in 4785 ms returned []
Implicit Place search using SMT with State Equation took 5306 ms to find 0 implicit places.
[2023-03-18 17:53:30] [INFO ] Redundant transitions in 188 ms returned []
[2023-03-18 17:53:30] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
[2023-03-18 17:53:30] [INFO ] Invariant cache hit.
[2023-03-18 17:53:31] [INFO ] Dead Transitions using invariants and state equation in 1302 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 945/1323 places, 1652/2030 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 7015 ms. Remains : 945/1323 places, 1652/2030 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))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 175 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 36 ms :[(NOT p0)]
Finished random walk after 5 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=5 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 142 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 36 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
[2023-03-18 17:53:32] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
[2023-03-18 17:53:32] [INFO ] Invariant cache hit.
[2023-03-18 17:53:34] [INFO ] [Real]Absence check using 20 positive place invariants in 55 ms returned sat
[2023-03-18 17:53:34] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 17:53:37] [INFO ] [Real]Absence check using state equation in 2853 ms returned sat
[2023-03-18 17:53:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 17:53:40] [INFO ] [Nat]Absence check using 20 positive place invariants in 38 ms returned sat
[2023-03-18 17:53:40] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 17:53:42] [INFO ] [Nat]Absence check using state equation in 2167 ms returned sat
[2023-03-18 17:53:42] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:53:42] [INFO ] [Nat]Added 330 Read/Feed constraints in 393 ms returned sat
[2023-03-18 17:53:43] [INFO ] Deduced a trap composed of 13 places in 997 ms of which 1 ms to minimize.
[2023-03-18 17:53:44] [INFO ] Deduced a trap composed of 58 places in 614 ms of which 1 ms to minimize.
[2023-03-18 17:53:45] [INFO ] Deduced a trap composed of 52 places in 579 ms of which 1 ms to minimize.
[2023-03-18 17:53:45] [INFO ] Deduced a trap composed of 64 places in 534 ms of which 0 ms to minimize.
[2023-03-18 17:53:46] [INFO ] Deduced a trap composed of 40 places in 529 ms of which 1 ms to minimize.
[2023-03-18 17:53:47] [INFO ] Deduced a trap composed of 64 places in 542 ms of which 0 ms to minimize.
[2023-03-18 17:53:47] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 4402 ms
[2023-03-18 17:53:47] [INFO ] Computed and/alt/rep : 1351/3374/1351 causal constraints (skipped 84 transitions) in 114 ms.
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.refineWithCausalOrder(DeadlockTester.java:1186)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:520)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:614)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:580)
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)
[2023-03-18 17:53:52] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Product exploration explored 100000 steps with 19982 reset in 972 ms.
Product exploration explored 100000 steps with 19941 reset in 996 ms.
Support contains 84 out of 945 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 945/945 places, 1652/1652 transitions.
Drop transitions removed 288 transitions
Trivial Post-agglo rules discarded 288 transitions
Performed 288 trivial Post agglomeration. Transition count delta: 288
Iterating post reduction 0 with 288 rules applied. Total rules applied 288 place count 945 transition count 1364
Reduce places removed 288 places and 0 transitions.
Iterating post reduction 1 with 288 rules applied. Total rules applied 576 place count 657 transition count 1364
Performed 252 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 252 Pre rules applied. Total rules applied 576 place count 657 transition count 1112
Deduced a syphon composed of 252 places in 1 ms
Reduce places removed 252 places and 0 transitions.
Iterating global reduction 2 with 504 rules applied. Total rules applied 1080 place count 405 transition count 1112
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 1092 place count 399 transition count 1106
Applied a total of 1092 rules in 64 ms. Remains 399 /945 variables (removed 546) and now considering 1106/1652 (removed 546) transitions.
[2023-03-18 17:53:54] [INFO ] Flow matrix only has 896 transitions (discarded 210 similar events)
// Phase 1: matrix 896 rows 399 cols
[2023-03-18 17:53:54] [INFO ] Computed 20 place invariants in 3 ms
[2023-03-18 17:53:55] [INFO ] Implicit Places using invariants in 675 ms returned []
[2023-03-18 17:53:55] [INFO ] Flow matrix only has 896 transitions (discarded 210 similar events)
[2023-03-18 17:53:55] [INFO ] Invariant cache hit.
[2023-03-18 17:53:56] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:53:57] [INFO ] Implicit Places using invariants and state equation in 2057 ms returned []
Implicit Place search using SMT with State Equation took 2746 ms to find 0 implicit places.
[2023-03-18 17:53:57] [INFO ] Redundant transitions in 28 ms returned []
[2023-03-18 17:53:57] [INFO ] Flow matrix only has 896 transitions (discarded 210 similar events)
[2023-03-18 17:53:57] [INFO ] Invariant cache hit.
[2023-03-18 17:53:58] [INFO ] Dead Transitions using invariants and state equation in 833 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 399/945 places, 1106/1652 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3698 ms. Remains : 399/945 places, 1106/1652 transitions.
Treatment of property Peterson-PT-6-LTLFireability-04 finished in 62625 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((X(F((p1&&F(p2))))||p0))))'
Support contains 301 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 48 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:53:59] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1330 cols
[2023-03-18 17:53:59] [INFO ] Computed 27 place invariants in 13 ms
[2023-03-18 17:53:59] [INFO ] Implicit Places using invariants in 724 ms returned [1205, 1206, 1208, 1301, 1302, 1303, 1304]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 728 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1323/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 32 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 810 ms. Remains : 1323/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 162 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Peterson-PT-6-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (EQ s260 1) (EQ s261 1) (EQ s262 1) (EQ s263 1) (EQ s256 1) (EQ s257 1) (EQ s258 1) (EQ s259 1) (EQ s268 1) (EQ s269 1) (EQ s270 1) (EQ s271 1) (EQ...], 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 0 reset in 875 ms.
Stack based approach found an accepted trace after 94 steps with 0 reset with depth 95 and stack size 95 in 1 ms.
FORMULA Peterson-PT-6-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-6-LTLFireability-05 finished in 1911 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((p0&&X(F(p1)))))'
Support contains 42 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 35 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:54:00] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:00] [INFO ] Invariant cache hit.
[2023-03-18 17:54:01] [INFO ] Implicit Places using invariants in 820 ms returned [1205, 1206, 1208, 1301, 1302, 1303, 1304]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 836 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1323/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 38 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 910 ms. Remains : 1323/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 265 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : Peterson-PT-6-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=2, aps=[p1:(AND (EQ s341 0) (EQ s324 0) (EQ s343 0) (EQ s342 0) (EQ s323 0) (EQ s322 0) (EQ s344 0)), p0:(OR (EQ s333 1) (EQ s335 1) (EQ s334 1) (EQ s340 1) (EQ s...], 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]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-PT-6-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-PT-6-LTLFireability-06 finished in 1195 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(((p1 U X(G(!p2)))&&p0)))'
Support contains 350 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 20 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:54:02] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:02] [INFO ] Invariant cache hit.
[2023-03-18 17:54:02] [INFO ] Implicit Places using invariants in 759 ms returned []
[2023-03-18 17:54:02] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:02] [INFO ] Invariant cache hit.
[2023-03-18 17:54:04] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:54:12] [INFO ] Implicit Places using invariants and state equation in 9418 ms returned []
Implicit Place search using SMT with State Equation took 10203 ms to find 0 implicit places.
[2023-03-18 17:54:12] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:12] [INFO ] Invariant cache hit.
[2023-03-18 17:54:14] [INFO ] Dead Transitions using invariants and state equation in 1847 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12094 ms. Remains : 1330/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 173 ms :[(OR (NOT p0) p2), (OR (NOT p0) p2), true, p2, p2]
Running random walk in product with property : Peterson-PT-6-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}, { cond=(AND p0 p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p2, acceptance={} source=3 dest: 2}, { cond=(NOT p2), acceptance={} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 4}, { cond=(AND p1 p2), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(AND (OR (EQ s260 1) (EQ s261 1) (EQ s262 1) (EQ s263 1) (EQ s256 1) (EQ s257 1) (EQ s258 1) (EQ s259 1) (EQ s268 1) (EQ s269 1) (EQ s270 1) (EQ s271 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-PT-6-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-PT-6-LTLFireability-07 finished in 12289 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((G((p0||(p1 U X(p2))))&&F(G(p3))))))'
Support contains 7 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 38 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:54:14] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:14] [INFO ] Invariant cache hit.
[2023-03-18 17:54:15] [INFO ] Implicit Places using invariants in 796 ms returned [1205, 1206, 1208, 1301, 1302, 1303, 1304]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 818 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1323/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 36 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 896 ms. Remains : 1323/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 295 ms :[(OR (NOT p3) (AND (NOT p0) (NOT p2))), (OR (NOT p3) (AND (NOT p0) (NOT p2))), (OR (NOT p3) (AND (NOT p0) (NOT p2))), (NOT p2), (NOT p3), (NOT p2), true]
Running random walk in product with property : Peterson-PT-6-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 3}, { cond=(NOT p3), acceptance={} source=2 dest: 4}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 5}], [{ cond=(NOT p2), acceptance={} source=3 dest: 6}], [{ cond=p3, acceptance={} source=4 dest: 4}, { cond=(NOT p3), acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=5 dest: 3}, { cond=(AND p1 (NOT p2)), acceptance={0} source=5 dest: 5}], [{ cond=true, acceptance={0} source=6 dest: 6}]], initial=0, aps=[p0:(AND (EQ s949 1) (EQ s1198 1)), p1:(EQ s337 1), p3:(AND (EQ s925 1) (EQ s1206 1)), p2:(AND (EQ s1196 1) (EQ s1274 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 264 ms.
Stack based approach found an accepted trace after 670 steps with 0 reset with depth 671 and stack size 671 in 3 ms.
FORMULA Peterson-PT-6-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-6-LTLFireability-10 finished in 1492 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(((p0 U (G(p0)||(p0&&(p1||F(p2)))))&&(F(p4)||p3))))'
Support contains 5 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 37 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:54:15] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:15] [INFO ] Invariant cache hit.
[2023-03-18 17:54:16] [INFO ] Implicit Places using invariants in 796 ms returned [1205, 1206, 1208, 1301, 1302, 1303, 1304]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 814 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1323/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 37 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 891 ms. Remains : 1323/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 243 ms :[(OR (NOT p0) (AND (NOT p3) (NOT p4))), (OR (NOT p0) (AND (NOT p3) (NOT p4))), true, (NOT p4), (AND (NOT p0) (NOT p2)), (NOT p2)]
Running random walk in product with property : Peterson-PT-6-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p3) (NOT p4) p0), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p4), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=4 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(NEQ s253 1), p3:(OR (EQ s599 0) (EQ s674 0)), p4:(OR (EQ s601 0) (EQ s1306 0)), p1:(AND (EQ s599 1) (EQ s674 1)), p2:(AND (EQ s601 1) (EQ s1306 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 337 reset in 356 ms.
Product exploration explored 100000 steps with 320 reset in 380 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p3 p4 (NOT p1) (NOT p2)), (X (AND (NOT p1) (NOT p2) p0)), (X p0), (X (NOT (AND (NOT p3) (NOT p4) p0))), true, (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (AND (NOT p1) (NOT p2) p0))), (X (X p4))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 8 factoid took 639 ms. Reduced automaton from 6 states, 9 edges and 5 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 241 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 17:54:18] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1323 cols
[2023-03-18 17:54:18] [INFO ] Computed 20 place invariants in 7 ms
[2023-03-18 17:54:19] [INFO ] After 528ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 17:54:19] [INFO ] [Nat]Absence check using 20 positive place invariants in 16 ms returned sat
[2023-03-18 17:54:20] [INFO ] After 828ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:20] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:54:20] [INFO ] After 203ms SMT Verify possible using 330 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:20] [INFO ] After 458ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 142 ms.
[2023-03-18 17:54:21] [INFO ] After 1828ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 3 out of 1323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1323/1323 places, 2030/2030 transitions.
Drop transitions removed 586 transitions
Trivial Post-agglo rules discarded 586 transitions
Performed 586 trivial Post agglomeration. Transition count delta: 586
Iterating post reduction 0 with 586 rules applied. Total rules applied 586 place count 1323 transition count 1444
Reduce places removed 586 places and 0 transitions.
Iterating post reduction 1 with 586 rules applied. Total rules applied 1172 place count 737 transition count 1444
Performed 294 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 294 Pre rules applied. Total rules applied 1172 place count 737 transition count 1150
Deduced a syphon composed of 294 places in 0 ms
Reduce places removed 294 places and 0 transitions.
Iterating global reduction 2 with 588 rules applied. Total rules applied 1760 place count 443 transition count 1150
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 2 with 82 rules applied. Total rules applied 1842 place count 402 transition count 1109
Applied a total of 1842 rules in 89 ms. Remains 402 /1323 variables (removed 921) and now considering 1109/2030 (removed 921) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102 ms. Remains : 402/1323 places, 1109/2030 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 631328 steps, run timeout after 3001 ms. (steps per millisecond=210 ) properties seen :{}
Probabilistic random walk after 631328 steps, saw 85698 distinct states, run finished after 3001 ms. (steps per millisecond=210 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-18 17:54:24] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
// Phase 1: matrix 899 rows 402 cols
[2023-03-18 17:54:24] [INFO ] Computed 20 place invariants in 4 ms
[2023-03-18 17:54:24] [INFO ] After 135ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 17:54:24] [INFO ] [Nat]Absence check using 20 positive place invariants in 9 ms returned sat
[2023-03-18 17:54:24] [INFO ] After 278ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:24] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:54:24] [INFO ] After 90ms SMT Verify possible using 330 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:25] [INFO ] After 156ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 33 ms.
[2023-03-18 17:54:25] [INFO ] After 601ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 3 out of 402 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 402/402 places, 1109/1109 transitions.
Applied a total of 0 rules in 36 ms. Remains 402 /402 variables (removed 0) and now considering 1109/1109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 402/402 places, 1109/1109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 402/402 places, 1109/1109 transitions.
Applied a total of 0 rules in 16 ms. Remains 402 /402 variables (removed 0) and now considering 1109/1109 (removed 0) transitions.
[2023-03-18 17:54:25] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
[2023-03-18 17:54:25] [INFO ] Invariant cache hit.
[2023-03-18 17:54:25] [INFO ] Implicit Places using invariants in 675 ms returned []
[2023-03-18 17:54:25] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
[2023-03-18 17:54:25] [INFO ] Invariant cache hit.
[2023-03-18 17:54:26] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:54:27] [INFO ] Implicit Places using invariants and state equation in 2116 ms returned []
Implicit Place search using SMT with State Equation took 2825 ms to find 0 implicit places.
[2023-03-18 17:54:27] [INFO ] Redundant transitions in 21 ms returned []
[2023-03-18 17:54:27] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
[2023-03-18 17:54:27] [INFO ] Invariant cache hit.
[2023-03-18 17:54:28] [INFO ] Dead Transitions using invariants and state equation in 714 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3604 ms. Remains : 402/402 places, 1109/1109 transitions.
Graph (trivial) has 840 edges and 402 vertex of which 294 / 402 are part of one of the 42 SCC in 1 ms
Free SCC test removed 252 places
Drop transitions removed 504 transitions
Ensure Unique test removed 251 transitions
Reduce isomorphic transitions removed 755 transitions.
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 41 Pre rules applied. Total rules applied 1 place count 150 transition count 313
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 0 with 82 rules applied. Total rules applied 83 place count 109 transition count 313
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 103 place count 96 transition count 312
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 115 place count 90 transition count 306
Graph (trivial) has 43 edges and 90 vertex of which 36 / 90 are part of one of the 6 SCC in 0 ms
Free SCC test removed 30 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 7 rules applied. Total rules applied 122 place count 54 transition count 306
Drop transitions removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Graph (trivial) has 223 edges and 54 vertex of which 36 / 54 are part of one of the 6 SCC in 1 ms
Free SCC test removed 30 places
Iterating post reduction 0 with 37 rules applied. Total rules applied 159 place count 24 transition count 270
Drop transitions removed 180 transitions
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 245 transitions.
Iterating post reduction 1 with 245 rules applied. Total rules applied 404 place count 24 transition count 25
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 422 place count 12 transition count 19
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 10 rules applied. Total rules applied 432 place count 12 transition count 9
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 435 place count 9 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 435 place count 9 transition count 7
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 439 place count 7 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 441 place count 6 transition count 6
Applied a total of 441 rules in 24 ms. Remains 6 /402 variables (removed 396) and now considering 6/1109 (removed 1103) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 6 rows 6 cols
[2023-03-18 17:54:28] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-18 17:54:28] [INFO ] After 79ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 17:54:28] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-18 17:54:28] [INFO ] After 4ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:28] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-18 17:54:28] [INFO ] After 84ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p0 p3 p4 (NOT p1) (NOT p2)), (X (AND (NOT p1) (NOT p2) p0)), (X p0), (X (NOT (AND (NOT p3) (NOT p4) p0))), true, (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (AND (NOT p1) (NOT p2) p0))), (X (X p4))]
False Knowledge obtained : [(F p2), (F (NOT (AND (NOT p2) p0 (NOT p1))))]
Knowledge based reduction with 8 factoid took 761 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 169 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 117 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Support contains 5 out of 1323 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1323/1323 places, 2030/2030 transitions.
Applied a total of 0 rules in 38 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:54:30] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1323 cols
[2023-03-18 17:54:30] [INFO ] Computed 20 place invariants in 9 ms
[2023-03-18 17:54:30] [INFO ] Implicit Places using invariants in 740 ms returned []
[2023-03-18 17:54:30] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:30] [INFO ] Invariant cache hit.
[2023-03-18 17:54:31] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:54:39] [INFO ] Implicit Places using invariants and state equation in 8568 ms returned []
Implicit Place search using SMT with State Equation took 9318 ms to find 0 implicit places.
[2023-03-18 17:54:39] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:39] [INFO ] Invariant cache hit.
[2023-03-18 17:54:41] [INFO ] Dead Transitions using invariants and state equation in 1787 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11144 ms. Remains : 1323/1323 places, 2030/2030 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) p0 (NOT p1)), (X (NOT (AND (NOT p2) (NOT p0)))), (X (AND (NOT p2) p0 (NOT p1))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (AND (NOT p2) p0 (NOT p1))))]
False Knowledge obtained : []
Knowledge based reduction with 6 factoid took 278 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 125 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 17:54:41] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:41] [INFO ] Invariant cache hit.
[2023-03-18 17:54:41] [INFO ] After 324ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 17:54:42] [INFO ] [Nat]Absence check using 20 positive place invariants in 17 ms returned sat
[2023-03-18 17:54:43] [INFO ] After 835ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:43] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:54:43] [INFO ] After 132ms SMT Verify possible using 330 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:43] [INFO ] After 303ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 72 ms.
[2023-03-18 17:54:43] [INFO ] After 1563ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 3 out of 1323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1323/1323 places, 2030/2030 transitions.
Drop transitions removed 586 transitions
Trivial Post-agglo rules discarded 586 transitions
Performed 586 trivial Post agglomeration. Transition count delta: 586
Iterating post reduction 0 with 586 rules applied. Total rules applied 586 place count 1323 transition count 1444
Reduce places removed 586 places and 0 transitions.
Iterating post reduction 1 with 586 rules applied. Total rules applied 1172 place count 737 transition count 1444
Performed 294 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 294 Pre rules applied. Total rules applied 1172 place count 737 transition count 1150
Deduced a syphon composed of 294 places in 1 ms
Reduce places removed 294 places and 0 transitions.
Iterating global reduction 2 with 588 rules applied. Total rules applied 1760 place count 443 transition count 1150
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Deduced a syphon composed of 41 places in 1 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 2 with 82 rules applied. Total rules applied 1842 place count 402 transition count 1109
Applied a total of 1842 rules in 68 ms. Remains 402 /1323 variables (removed 921) and now considering 1109/2030 (removed 921) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77 ms. Remains : 402/1323 places, 1109/2030 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 754912 steps, run timeout after 3001 ms. (steps per millisecond=251 ) properties seen :{}
Probabilistic random walk after 754912 steps, saw 101515 distinct states, run finished after 3001 ms. (steps per millisecond=251 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-18 17:54:46] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
// Phase 1: matrix 899 rows 402 cols
[2023-03-18 17:54:46] [INFO ] Computed 20 place invariants in 3 ms
[2023-03-18 17:54:46] [INFO ] After 120ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 17:54:46] [INFO ] [Nat]Absence check using 20 positive place invariants in 9 ms returned sat
[2023-03-18 17:54:47] [INFO ] After 278ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:47] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:54:47] [INFO ] After 90ms SMT Verify possible using 330 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:47] [INFO ] After 151ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 33 ms.
[2023-03-18 17:54:47] [INFO ] After 595ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 3 out of 402 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 402/402 places, 1109/1109 transitions.
Applied a total of 0 rules in 16 ms. Remains 402 /402 variables (removed 0) and now considering 1109/1109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 402/402 places, 1109/1109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 402/402 places, 1109/1109 transitions.
Applied a total of 0 rules in 15 ms. Remains 402 /402 variables (removed 0) and now considering 1109/1109 (removed 0) transitions.
[2023-03-18 17:54:47] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
[2023-03-18 17:54:47] [INFO ] Invariant cache hit.
[2023-03-18 17:54:47] [INFO ] Implicit Places using invariants in 530 ms returned []
[2023-03-18 17:54:47] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
[2023-03-18 17:54:47] [INFO ] Invariant cache hit.
[2023-03-18 17:54:48] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:54:50] [INFO ] Implicit Places using invariants and state equation in 2108 ms returned []
Implicit Place search using SMT with State Equation took 2677 ms to find 0 implicit places.
[2023-03-18 17:54:50] [INFO ] Redundant transitions in 21 ms returned []
[2023-03-18 17:54:50] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
[2023-03-18 17:54:50] [INFO ] Invariant cache hit.
[2023-03-18 17:54:50] [INFO ] Dead Transitions using invariants and state equation in 710 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3450 ms. Remains : 402/402 places, 1109/1109 transitions.
Graph (trivial) has 840 edges and 402 vertex of which 294 / 402 are part of one of the 42 SCC in 2 ms
Free SCC test removed 252 places
Drop transitions removed 504 transitions
Ensure Unique test removed 251 transitions
Reduce isomorphic transitions removed 755 transitions.
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 41 Pre rules applied. Total rules applied 1 place count 150 transition count 313
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 0 with 82 rules applied. Total rules applied 83 place count 109 transition count 313
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 103 place count 96 transition count 312
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 115 place count 90 transition count 306
Graph (trivial) has 43 edges and 90 vertex of which 36 / 90 are part of one of the 6 SCC in 0 ms
Free SCC test removed 30 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 7 rules applied. Total rules applied 122 place count 54 transition count 306
Drop transitions removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Graph (trivial) has 223 edges and 54 vertex of which 36 / 54 are part of one of the 6 SCC in 0 ms
Free SCC test removed 30 places
Iterating post reduction 0 with 37 rules applied. Total rules applied 159 place count 24 transition count 270
Drop transitions removed 180 transitions
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 245 transitions.
Iterating post reduction 1 with 245 rules applied. Total rules applied 404 place count 24 transition count 25
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 422 place count 12 transition count 19
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 10 rules applied. Total rules applied 432 place count 12 transition count 9
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 435 place count 9 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 435 place count 9 transition count 7
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 439 place count 7 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 441 place count 6 transition count 6
Applied a total of 441 rules in 16 ms. Remains 6 /402 variables (removed 396) and now considering 6/1109 (removed 1103) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 6 rows 6 cols
[2023-03-18 17:54:50] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-18 17:54:50] [INFO ] After 16ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 17:54:50] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-18 17:54:50] [INFO ] After 5ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 17:54:50] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-18 17:54:50] [INFO ] After 32ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND (NOT p2) p0 (NOT p1)), (X (NOT (AND (NOT p2) (NOT p0)))), (X (AND (NOT p2) p0 (NOT p1))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (AND (NOT p2) p0 (NOT p1))))]
False Knowledge obtained : [(F p2), (F (NOT (AND p0 (NOT p1) (NOT p2))))]
Knowledge based reduction with 6 factoid took 292 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 112 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 112 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 121 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 296 reset in 325 ms.
Product exploration explored 100000 steps with 317 reset in 349 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 110 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Support contains 5 out of 1323 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1323/1323 places, 2030/2030 transitions.
Performed 334 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 334 rules applied. Total rules applied 334 place count 1323 transition count 2030
Performed 259 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 259 Pre rules applied. Total rules applied 334 place count 1323 transition count 2210
Deduced a syphon composed of 593 places in 2 ms
Iterating global reduction 1 with 259 rules applied. Total rules applied 593 place count 1323 transition count 2210
Discarding 149 places :
Symmetric choice reduction at 1 with 149 rule applications. Total rules 742 place count 1174 transition count 2061
Deduced a syphon composed of 444 places in 1 ms
Iterating global reduction 1 with 149 rules applied. Total rules applied 891 place count 1174 transition count 2061
Performed 327 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 771 places in 1 ms
Iterating global reduction 1 with 327 rules applied. Total rules applied 1218 place count 1174 transition count 2061
Discarding 290 places :
Symmetric choice reduction at 1 with 290 rule applications. Total rules 1508 place count 884 transition count 1771
Deduced a syphon composed of 481 places in 1 ms
Iterating global reduction 1 with 290 rules applied. Total rules applied 1798 place count 884 transition count 1771
Deduced a syphon composed of 481 places in 1 ms
Applied a total of 1798 rules in 609 ms. Remains 884 /1323 variables (removed 439) and now considering 1771/2030 (removed 259) transitions.
[2023-03-18 17:54:53] [INFO ] Redundant transitions in 112 ms returned []
[2023-03-18 17:54:53] [INFO ] Flow matrix only has 1561 transitions (discarded 210 similar events)
// Phase 1: matrix 1561 rows 884 cols
[2023-03-18 17:54:53] [INFO ] Computed 20 place invariants in 4 ms
[2023-03-18 17:54:54] [INFO ] Dead Transitions using invariants and state equation in 1363 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 884/1323 places, 1771/2030 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2181 ms. Remains : 884/1323 places, 1771/2030 transitions.
Support contains 5 out of 1323 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1323/1323 places, 2030/2030 transitions.
Applied a total of 0 rules in 46 ms. Remains 1323 /1323 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:54:54] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1323 cols
[2023-03-18 17:54:54] [INFO ] Computed 20 place invariants in 5 ms
[2023-03-18 17:54:55] [INFO ] Implicit Places using invariants in 759 ms returned []
[2023-03-18 17:54:55] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:54:55] [INFO ] Invariant cache hit.
[2023-03-18 17:54:56] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:55:04] [INFO ] Implicit Places using invariants and state equation in 9172 ms returned []
Implicit Place search using SMT with State Equation took 9947 ms to find 0 implicit places.
[2023-03-18 17:55:04] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
[2023-03-18 17:55:04] [INFO ] Invariant cache hit.
[2023-03-18 17:55:06] [INFO ] Dead Transitions using invariants and state equation in 1750 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11766 ms. Remains : 1323/1323 places, 2030/2030 transitions.
Treatment of property Peterson-PT-6-LTLFireability-11 finished in 50808 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 1330 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Drop transitions removed 588 transitions
Trivial Post-agglo rules discarded 588 transitions
Performed 588 trivial Post agglomeration. Transition count delta: 588
Iterating post reduction 0 with 588 rules applied. Total rules applied 588 place count 1330 transition count 1442
Reduce places removed 588 places and 0 transitions.
Iterating post reduction 1 with 588 rules applied. Total rules applied 1176 place count 742 transition count 1442
Performed 294 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 294 Pre rules applied. Total rules applied 1176 place count 742 transition count 1148
Deduced a syphon composed of 294 places in 0 ms
Reduce places removed 294 places and 0 transitions.
Iterating global reduction 2 with 588 rules applied. Total rules applied 1764 place count 448 transition count 1148
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Deduced a syphon composed of 42 places in 0 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 2 with 84 rules applied. Total rules applied 1848 place count 406 transition count 1106
Applied a total of 1848 rules in 70 ms. Remains 406 /1330 variables (removed 924) and now considering 1106/2030 (removed 924) transitions.
[2023-03-18 17:55:06] [INFO ] Flow matrix only has 896 transitions (discarded 210 similar events)
// Phase 1: matrix 896 rows 406 cols
[2023-03-18 17:55:06] [INFO ] Computed 27 place invariants in 3 ms
[2023-03-18 17:55:07] [INFO ] Implicit Places using invariants in 834 ms returned [387, 390, 398, 399, 400, 401]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 835 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 400/1330 places, 1106/2030 transitions.
Applied a total of 0 rules in 17 ms. Remains 400 /400 variables (removed 0) and now considering 1106/1106 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 922 ms. Remains : 400/1330 places, 1106/2030 transitions.
Stuttering acceptance computed with spot in 116 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-PT-6-LTLFireability-12 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 (EQ s307 1) (EQ s387 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 192 reset in 264 ms.
Stack based approach found an accepted trace after 19 steps with 0 reset with depth 20 and stack size 20 in 0 ms.
FORMULA Peterson-PT-6-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-6-LTLFireability-12 finished in 1324 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 (!p0||G(p2)))))'
Support contains 5 out of 1330 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Drop transitions removed 586 transitions
Trivial Post-agglo rules discarded 586 transitions
Performed 586 trivial Post agglomeration. Transition count delta: 586
Iterating post reduction 0 with 586 rules applied. Total rules applied 586 place count 1330 transition count 1444
Reduce places removed 586 places and 0 transitions.
Iterating post reduction 1 with 586 rules applied. Total rules applied 1172 place count 744 transition count 1444
Performed 294 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 294 Pre rules applied. Total rules applied 1172 place count 744 transition count 1150
Deduced a syphon composed of 294 places in 0 ms
Reduce places removed 294 places and 0 transitions.
Iterating global reduction 2 with 588 rules applied. Total rules applied 1760 place count 450 transition count 1150
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Deduced a syphon composed of 41 places in 1 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 2 with 82 rules applied. Total rules applied 1842 place count 409 transition count 1109
Applied a total of 1842 rules in 76 ms. Remains 409 /1330 variables (removed 921) and now considering 1109/2030 (removed 921) transitions.
[2023-03-18 17:55:08] [INFO ] Flow matrix only has 899 transitions (discarded 210 similar events)
// Phase 1: matrix 899 rows 409 cols
[2023-03-18 17:55:08] [INFO ] Computed 27 place invariants in 2 ms
[2023-03-18 17:55:08] [INFO ] Implicit Places using invariants in 584 ms returned [389, 390, 392, 400, 401, 402, 403]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 586 ms to find 7 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 402/1330 places, 1109/2030 transitions.
Applied a total of 0 rules in 16 ms. Remains 402 /402 variables (removed 0) and now considering 1109/1109 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 678 ms. Remains : 402/1330 places, 1109/2030 transitions.
Stuttering acceptance computed with spot in 107 ms :[(AND p0 (NOT p2)), p0, (AND p0 (NOT p2))]
Running random walk in product with property : Peterson-PT-6-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(AND p0 p2 p1), acceptance={} source=0 dest: 0}, { cond=(AND p0 (NOT p2) p1), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(AND p0 p2 (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND p0 p2), acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(NEQ s211 1), p2:(AND (EQ s317 1) (EQ s378 1)), p1:(AND (EQ s298 1) (EQ s401 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 238 ms.
Stack based approach found an accepted trace after 53 steps with 0 reset with depth 54 and stack size 54 in 0 ms.
FORMULA Peterson-PT-6-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-6-LTLFireability-13 finished in 1045 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U (p1&&G(p0)))))'
Support contains 6 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 46 ms. Remains 1330 /1330 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
[2023-03-18 17:55:09] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1330 cols
[2023-03-18 17:55:09] [INFO ] Computed 27 place invariants in 7 ms
[2023-03-18 17:55:09] [INFO ] Implicit Places using invariants in 849 ms returned [1206, 1208, 1301, 1302, 1303, 1304]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 851 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 1324/1330 places, 2030/2030 transitions.
Applied a total of 0 rules in 46 ms. Remains 1324 /1324 variables (removed 0) and now considering 2030/2030 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 943 ms. Remains : 1324/1330 places, 2030/2030 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Peterson-PT-6-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p1 p0), acceptance={0} source=3 dest: 0}, { cond=(NOT p0), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p0:(AND (EQ s296 1) (NOT (AND (EQ s681 1) (EQ s1205 1)))), p1:(OR (EQ s341 1) (AND (EQ s603 1) (EQ s1306 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-PT-6-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-PT-6-LTLFireability-14 finished in 1097 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)||(X(G(p1))&&G(p2))))'
Found a Lengthening insensitive property : Peterson-PT-6-LTLFireability-04
Stuttering acceptance computed with spot in 121 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0)]
Support contains 378 out of 1330 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 1330 transition count 2024
Reduce places removed 6 places and 0 transitions.
Performed 294 Post agglomeration using F-continuation condition.Transition count delta: 294
Iterating post reduction 1 with 300 rules applied. Total rules applied 306 place count 1324 transition count 1730
Reduce places removed 294 places and 0 transitions.
Iterating post reduction 2 with 294 rules applied. Total rules applied 600 place count 1030 transition count 1730
Performed 42 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 42 Pre rules applied. Total rules applied 600 place count 1030 transition count 1688
Deduced a syphon composed of 42 places in 0 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 3 with 84 rules applied. Total rules applied 684 place count 988 transition count 1688
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: 36
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 3 with 72 rules applied. Total rules applied 756 place count 952 transition count 1652
Applied a total of 756 rules in 106 ms. Remains 952 /1330 variables (removed 378) and now considering 1652/2030 (removed 378) transitions.
[2023-03-18 17:55:10] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
// Phase 1: matrix 1442 rows 952 cols
[2023-03-18 17:55:10] [INFO ] Computed 27 place invariants in 5 ms
[2023-03-18 17:55:11] [INFO ] Implicit Places using invariants in 630 ms returned [933, 934, 936, 944, 945, 946, 947]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 632 ms to find 7 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 945/1330 places, 1652/2030 transitions.
Applied a total of 0 rules in 18 ms. Remains 945 /945 variables (removed 0) and now considering 1652/1652 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 757 ms. Remains : 945/1330 places, 1652/2030 transitions.
Running random walk in product with property : Peterson-PT-6-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) p2 p1), acceptance={} source=1 dest: 1}, { cond=(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (EQ s882 1) (EQ s910 1)) (AND (EQ s854 1) (EQ s925 1)) (AND (EQ s853 1) (EQ s912 1)) (AND (EQ s863 1) (EQ s923 1)) (AND (EQ s877 1) (EQ s915 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 19896 reset in 1513 ms.
Product exploration explored 100000 steps with 19857 reset in 1515 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 p2) (NOT p1)), (X (NOT (AND (NOT p0) p2 p1))), (X (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X (X (NOT (AND (NOT p0) p2 p1))))]
False Knowledge obtained : [(X (X (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))))), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 5 factoid took 378 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Finished random walk after 4 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=4 )
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (NOT (AND (NOT p0) p2 p1))), (X (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))), (X (NOT p0)), (X (X (NOT (AND (NOT p0) p2 p1))))]
False Knowledge obtained : [(X (X (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))))), (X (X (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1)))))), (X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 5 factoid took 286 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 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
[2023-03-18 17:55:14] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
// Phase 1: matrix 1442 rows 945 cols
[2023-03-18 17:55:15] [INFO ] Computed 20 place invariants in 4 ms
[2023-03-18 17:55:17] [INFO ] [Real]Absence check using 20 positive place invariants in 45 ms returned sat
[2023-03-18 17:55:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 17:55:20] [INFO ] [Real]Absence check using state equation in 2742 ms returned sat
[2023-03-18 17:55:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 17:55:22] [INFO ] [Nat]Absence check using 20 positive place invariants in 33 ms returned sat
[2023-03-18 17:55:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 17:55:25] [INFO ] [Nat]Absence check using state equation in 2347 ms returned sat
[2023-03-18 17:55:25] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:55:25] [INFO ] [Nat]Added 330 Read/Feed constraints in 229 ms returned sat
[2023-03-18 17:55:26] [INFO ] Deduced a trap composed of 56 places in 615 ms of which 1 ms to minimize.
[2023-03-18 17:55:26] [INFO ] Deduced a trap composed of 13 places in 575 ms of which 1 ms to minimize.
[2023-03-18 17:55:27] [INFO ] Deduced a trap composed of 19 places in 578 ms of which 1 ms to minimize.
[2023-03-18 17:55:28] [INFO ] Deduced a trap composed of 14 places in 555 ms of which 1 ms to minimize.
[2023-03-18 17:55:28] [INFO ] Deduced a trap composed of 34 places in 605 ms of which 1 ms to minimize.
[2023-03-18 17:55:29] [INFO ] Deduced a trap composed of 31 places in 665 ms of which 2 ms to minimize.
[2023-03-18 17:55:30] [INFO ] Deduced a trap composed of 11 places in 668 ms of which 1 ms to minimize.
[2023-03-18 17:55:30] [INFO ] Deduced a trap composed of 34 places in 519 ms of which 1 ms to minimize.
[2023-03-18 17:55:30] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 5522 ms
[2023-03-18 17:55:31] [INFO ] Computed and/alt/rep : 1351/3374/1351 causal constraints (skipped 84 transitions) in 123 ms.
[2023-03-18 17:55:35] [INFO ] Added : 205 causal constraints over 41 iterations in 4469 ms. Result :unknown
Could not prove EG (NOT p0)
Support contains 84 out of 945 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 : 945/945 places, 1652/1652 transitions.
Applied a total of 0 rules in 23 ms. Remains 945 /945 variables (removed 0) and now considering 1652/1652 (removed 0) transitions.
[2023-03-18 17:55:35] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
[2023-03-18 17:55:35] [INFO ] Invariant cache hit.
[2023-03-18 17:55:36] [INFO ] Implicit Places using invariants in 773 ms returned []
[2023-03-18 17:55:36] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
[2023-03-18 17:55:36] [INFO ] Invariant cache hit.
[2023-03-18 17:55:37] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:55:40] [INFO ] Implicit Places using invariants and state equation in 4584 ms returned []
Implicit Place search using SMT with State Equation took 5397 ms to find 0 implicit places.
[2023-03-18 17:55:40] [INFO ] Redundant transitions in 45 ms returned []
[2023-03-18 17:55:40] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
[2023-03-18 17:55:40] [INFO ] Invariant cache hit.
[2023-03-18 17:55:42] [INFO ] Dead Transitions using invariants and state equation in 1380 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6859 ms. Remains : 945/945 places, 1652/1652 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))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 289 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 p0)]
Finished random walk after 4 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=2 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 138 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 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2023-03-18 17:55:42] [INFO ] Flow matrix only has 1442 transitions (discarded 210 similar events)
[2023-03-18 17:55:42] [INFO ] Invariant cache hit.
[2023-03-18 17:55:45] [INFO ] [Real]Absence check using 20 positive place invariants in 52 ms returned sat
[2023-03-18 17:55:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-18 17:55:48] [INFO ] [Real]Absence check using state equation in 3080 ms returned sat
[2023-03-18 17:55:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-18 17:55:51] [INFO ] [Nat]Absence check using 20 positive place invariants in 37 ms returned sat
[2023-03-18 17:55:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-18 17:55:53] [INFO ] [Nat]Absence check using state equation in 2218 ms returned sat
[2023-03-18 17:55:53] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:55:53] [INFO ] [Nat]Added 330 Read/Feed constraints in 364 ms returned sat
[2023-03-18 17:55:54] [INFO ] Deduced a trap composed of 13 places in 606 ms of which 1 ms to minimize.
[2023-03-18 17:55:55] [INFO ] Deduced a trap composed of 58 places in 609 ms of which 1 ms to minimize.
[2023-03-18 17:55:55] [INFO ] Deduced a trap composed of 52 places in 580 ms of which 1 ms to minimize.
[2023-03-18 17:55:56] [INFO ] Deduced a trap composed of 64 places in 531 ms of which 1 ms to minimize.
[2023-03-18 17:55:57] [INFO ] Deduced a trap composed of 40 places in 535 ms of which 1 ms to minimize.
[2023-03-18 17:55:57] [INFO ] Deduced a trap composed of 64 places in 402 ms of which 0 ms to minimize.
[2023-03-18 17:55:57] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 3860 ms
[2023-03-18 17:55:57] [INFO ] Computed and/alt/rep : 1351/3374/1351 causal constraints (skipped 84 transitions) in 112 ms.
[2023-03-18 17:56:03] [INFO ] Added : 260 causal constraints over 52 iterations in 6081 ms. Result :unknown
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Product exploration explored 100000 steps with 19891 reset in 960 ms.
Product exploration explored 100000 steps with 19897 reset in 990 ms.
Support contains 84 out of 945 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 945/945 places, 1652/1652 transitions.
Drop transitions removed 288 transitions
Trivial Post-agglo rules discarded 288 transitions
Performed 288 trivial Post agglomeration. Transition count delta: 288
Iterating post reduction 0 with 288 rules applied. Total rules applied 288 place count 945 transition count 1364
Reduce places removed 288 places and 0 transitions.
Iterating post reduction 1 with 288 rules applied. Total rules applied 576 place count 657 transition count 1364
Performed 252 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 252 Pre rules applied. Total rules applied 576 place count 657 transition count 1112
Deduced a syphon composed of 252 places in 0 ms
Reduce places removed 252 places and 0 transitions.
Iterating global reduction 2 with 504 rules applied. Total rules applied 1080 place count 405 transition count 1112
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 1092 place count 399 transition count 1106
Applied a total of 1092 rules in 48 ms. Remains 399 /945 variables (removed 546) and now considering 1106/1652 (removed 546) transitions.
[2023-03-18 17:56:05] [INFO ] Flow matrix only has 896 transitions (discarded 210 similar events)
// Phase 1: matrix 896 rows 399 cols
[2023-03-18 17:56:05] [INFO ] Computed 20 place invariants in 2 ms
[2023-03-18 17:56:06] [INFO ] Implicit Places using invariants in 388 ms returned []
[2023-03-18 17:56:06] [INFO ] Flow matrix only has 896 transitions (discarded 210 similar events)
[2023-03-18 17:56:06] [INFO ] Invariant cache hit.
[2023-03-18 17:56:06] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-18 17:56:07] [INFO ] Implicit Places using invariants and state equation in 1849 ms returned []
Implicit Place search using SMT with State Equation took 2262 ms to find 0 implicit places.
[2023-03-18 17:56:08] [INFO ] Redundant transitions in 24 ms returned []
[2023-03-18 17:56:08] [INFO ] Flow matrix only has 896 transitions (discarded 210 similar events)
[2023-03-18 17:56:08] [INFO ] Invariant cache hit.
[2023-03-18 17:56:08] [INFO ] Dead Transitions using invariants and state equation in 796 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 399/945 places, 1106/1652 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3167 ms. Remains : 399/945 places, 1106/1652 transitions.
Treatment of property Peterson-PT-6-LTLFireability-04 finished in 58823 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(((p0 U (G(p0)||(p0&&(p1||F(p2)))))&&(F(p4)||p3))))'
[2023-03-18 17:56:09] [INFO ] Flatten gal took : 110 ms
[2023-03-18 17:56:09] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 9 ms.
[2023-03-18 17:56:09] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1330 places, 2030 transitions and 6272 arcs took 11 ms.
Total runtime 280833 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1771/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
TIME LIMIT: Killed by timeout after 1785 seconds
MemTotal: 16393216 kB
MemFree: 6586052 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16110076 kB
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1771/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : Peterson-PT-6-LTLFireability-04
Could not compute solution for formula : Peterson-PT-6-LTLFireability-11
BK_STOP 1679163958711
--------------------
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
mcc2023
ltl formula name Peterson-PT-6-LTLFireability-04
ltl formula formula --ltl=/tmp/1771/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1330 places, 2030 transitions and 6272 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1771/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1771/ltl_0_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.490 real 0.070 user 0.080 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1771/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1771/ltl_0_
Killing (15) : 1777 1778 1779 1780 1781
Killing (9) : 1777 1778 1779 1780 1781
ltl formula name Peterson-PT-6-LTLFireability-11
ltl formula formula --ltl=/tmp/1771/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 1330 places, 2030 transitions and 6272 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.660 real 0.100 user 0.110 sys
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1771/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1771/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1771/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1771/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 8 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***
Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
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="Peterson-PT-6"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is Peterson-PT-6, 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 r265-smll-167863540300636"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Peterson-PT-6.tgz
mv Peterson-PT-6 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 '
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 ;