About the Execution of LTSMin+red for Peterson-PT-5
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16216.831 | 1799318.00 | 5788849.00 | 3019.00 | TF?FFFFFTTFFFF?F | 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-167863540300628.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-5, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r265-smll-167863540300628
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.3M
-rw-r--r-- 1 mcc users 139K Feb 25 22:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 565K Feb 25 22:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 124K Feb 25 22:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 584K 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 64K Feb 25 16:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 201K Feb 25 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 48K Feb 25 16:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 166K Feb 25 16:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 161K Feb 25 22:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 668K Feb 25 22:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 189K Feb 25 22:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 841K Feb 25 22:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 25 16:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 36K 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 535K 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-5-LTLFireability-00
FORMULA_NAME Peterson-PT-5-LTLFireability-01
FORMULA_NAME Peterson-PT-5-LTLFireability-02
FORMULA_NAME Peterson-PT-5-LTLFireability-03
FORMULA_NAME Peterson-PT-5-LTLFireability-04
FORMULA_NAME Peterson-PT-5-LTLFireability-05
FORMULA_NAME Peterson-PT-5-LTLFireability-06
FORMULA_NAME Peterson-PT-5-LTLFireability-07
FORMULA_NAME Peterson-PT-5-LTLFireability-08
FORMULA_NAME Peterson-PT-5-LTLFireability-09
FORMULA_NAME Peterson-PT-5-LTLFireability-10
FORMULA_NAME Peterson-PT-5-LTLFireability-11
FORMULA_NAME Peterson-PT-5-LTLFireability-12
FORMULA_NAME Peterson-PT-5-LTLFireability-13
FORMULA_NAME Peterson-PT-5-LTLFireability-14
FORMULA_NAME Peterson-PT-5-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1679148824742
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-5
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-18 14:13:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-18 14:13:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 14:13:47] [INFO ] Load time of PNML (sax parser for PT used): 185 ms
[2023-03-18 14:13:47] [INFO ] Transformed 834 places.
[2023-03-18 14:13:47] [INFO ] Transformed 1242 transitions.
[2023-03-18 14:13:47] [INFO ] Found NUPN structural information;
[2023-03-18 14:13:47] [INFO ] Completing missing partition info from NUPN : creating a component with [IsEndLoop_1_3_5, IsEndLoop_2_1_5, BeginLoop_5_4_3, BeginLoop_3_4_3, BeginLoop_4_4_3, BeginLoop_4_1_5, BeginLoop_3_1_5, BeginLoop_5_1_5, BeginLoop_1_4_5, TestAlone_0_1_4, TestIdentity_1_3_3, TestIdentity_2_3_3, TestIdentity_0_0_2, TestIdentity_1_4_1, TestIdentity_4_4_1, TestIdentity_3_4_1, TestIdentity_5_3_2, TestIdentity_0_4_2, TestIdentity_1_4_2, TestIdentity_3_3_2, TestIdentity_4_3_2, TestIdentity_5_2_2]
[2023-03-18 14:13:47] [INFO ] Parsed PT model containing 834 places and 1242 transitions and 3828 arcs in 296 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 27 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA Peterson-PT-5-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-PT-5-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 653 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 56 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:13:48] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 834 cols
[2023-03-18 14:13:48] [INFO ] Computed 23 place invariants in 37 ms
[2023-03-18 14:13:48] [INFO ] Implicit Places using invariants in 581 ms returned []
[2023-03-18 14:13:48] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:13:48] [INFO ] Invariant cache hit.
[2023-03-18 14:13:49] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:13:49] [INFO ] Implicit Places using invariants and state equation in 821 ms returned []
Implicit Place search using SMT with State Equation took 1439 ms to find 0 implicit places.
[2023-03-18 14:13:49] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:13:49] [INFO ] Invariant cache hit.
[2023-03-18 14:13:50] [INFO ] Dead Transitions using invariants and state equation in 1008 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2513 ms. Remains : 834/834 places, 1242/1242 transitions.
Support contains 653 out of 834 places after structural reductions.
[2023-03-18 14:13:51] [INFO ] Flatten gal took : 203 ms
[2023-03-18 14:13:51] [INFO ] Flatten gal took : 110 ms
[2023-03-18 14:13:51] [INFO ] Input system was already deterministic with 1242 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 803 ms. (steps per millisecond=12 ) properties (out of 30) seen :18
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 233 ms. (steps per millisecond=42 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 79 ms. (steps per millisecond=126 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 11) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 10) seen :0
Running SMT prover for 10 properties.
[2023-03-18 14:13:53] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:13:53] [INFO ] Invariant cache hit.
[2023-03-18 14:13:54] [INFO ] [Real]Absence check using 17 positive place invariants in 15 ms returned sat
[2023-03-18 14:13:54] [INFO ] [Real]Absence check using 17 positive and 6 generalized place invariants in 4 ms returned sat
[2023-03-18 14:13:55] [INFO ] After 2250ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2023-03-18 14:13:56] [INFO ] [Nat]Absence check using 17 positive place invariants in 21 ms returned sat
[2023-03-18 14:13:56] [INFO ] [Nat]Absence check using 17 positive and 6 generalized place invariants in 9 ms returned sat
[2023-03-18 14:13:57] [INFO ] After 1497ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2023-03-18 14:13:57] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:13:59] [INFO ] After 1215ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :10
[2023-03-18 14:13:59] [INFO ] Deduced a trap composed of 26 places in 610 ms of which 17 ms to minimize.
[2023-03-18 14:14:00] [INFO ] Deduced a trap composed of 112 places in 672 ms of which 2 ms to minimize.
[2023-03-18 14:14:01] [INFO ] Deduced a trap composed of 132 places in 632 ms of which 9 ms to minimize.
[2023-03-18 14:14:01] [INFO ] Deduced a trap composed of 141 places in 501 ms of which 3 ms to minimize.
[2023-03-18 14:14:02] [INFO ] Deduced a trap composed of 167 places in 637 ms of which 2 ms to minimize.
[2023-03-18 14:14:03] [INFO ] Deduced a trap composed of 79 places in 580 ms of which 1 ms to minimize.
[2023-03-18 14:14:03] [INFO ] Deduced a trap composed of 51 places in 440 ms of which 2 ms to minimize.
[2023-03-18 14:14:04] [INFO ] Deduced a trap composed of 106 places in 561 ms of which 2 ms to minimize.
[2023-03-18 14:14:05] [INFO ] Deduced a trap composed of 43 places in 565 ms of which 1 ms to minimize.
[2023-03-18 14:14:05] [INFO ] Deduced a trap composed of 17 places in 586 ms of which 1 ms to minimize.
[2023-03-18 14:14:06] [INFO ] Deduced a trap composed of 119 places in 675 ms of which 1 ms to minimize.
[2023-03-18 14:14:06] [INFO ] Deduced a trap composed of 99 places in 497 ms of which 1 ms to minimize.
[2023-03-18 14:14:07] [INFO ] Deduced a trap composed of 55 places in 561 ms of which 2 ms to minimize.
[2023-03-18 14:14:08] [INFO ] Deduced a trap composed of 229 places in 560 ms of which 1 ms to minimize.
[2023-03-18 14:14:08] [INFO ] Deduced a trap composed of 73 places in 535 ms of which 1 ms to minimize.
[2023-03-18 14:14:09] [INFO ] Deduced a trap composed of 167 places in 585 ms of which 1 ms to minimize.
[2023-03-18 14:14:10] [INFO ] Deduced a trap composed of 67 places in 660 ms of which 1 ms to minimize.
[2023-03-18 14:14:10] [INFO ] Deduced a trap composed of 123 places in 660 ms of which 2 ms to minimize.
[2023-03-18 14:14:11] [INFO ] Deduced a trap composed of 126 places in 587 ms of which 2 ms to minimize.
[2023-03-18 14:14:12] [INFO ] Deduced a trap composed of 108 places in 487 ms of which 1 ms to minimize.
[2023-03-18 14:14:12] [INFO ] Deduced a trap composed of 67 places in 624 ms of which 2 ms to minimize.
[2023-03-18 14:14:13] [INFO ] Deduced a trap composed of 52 places in 561 ms of which 1 ms to minimize.
[2023-03-18 14:14:14] [INFO ] Deduced a trap composed of 49 places in 671 ms of which 1 ms to minimize.
[2023-03-18 14:14:14] [INFO ] Deduced a trap composed of 49 places in 562 ms of which 1 ms to minimize.
[2023-03-18 14:14:15] [INFO ] Deduced a trap composed of 22 places in 563 ms of which 1 ms to minimize.
[2023-03-18 14:14:16] [INFO ] Deduced a trap composed of 18 places in 592 ms of which 1 ms to minimize.
[2023-03-18 14:14:16] [INFO ] Deduced a trap composed of 74 places in 565 ms of which 1 ms to minimize.
[2023-03-18 14:14:17] [INFO ] Deduced a trap composed of 27 places in 556 ms of which 1 ms to minimize.
[2023-03-18 14:14:18] [INFO ] Deduced a trap composed of 52 places in 675 ms of which 1 ms to minimize.
[2023-03-18 14:14:18] [INFO ] Deduced a trap composed of 182 places in 671 ms of which 2 ms to minimize.
[2023-03-18 14:14:19] [INFO ] Deduced a trap composed of 107 places in 595 ms of which 1 ms to minimize.
[2023-03-18 14:14:20] [INFO ] Deduced a trap composed of 52 places in 477 ms of which 1 ms to minimize.
[2023-03-18 14:14:20] [INFO ] Deduced a trap composed of 19 places in 530 ms of which 1 ms to minimize.
[2023-03-18 14:14:21] [INFO ] Deduced a trap composed of 183 places in 482 ms of which 2 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 14:14:21] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-18 14:14:21] [INFO ] After 25457ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:10
Fused 10 Parikh solutions to 9 different solutions.
Parikh walk visited 0 properties in 54 ms.
Support contains 108 out of 834 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions removed 338 transitions
Trivial Post-agglo rules discarded 338 transitions
Performed 338 trivial Post agglomeration. Transition count delta: 338
Iterating post reduction 0 with 338 rules applied. Total rules applied 338 place count 834 transition count 904
Reduce places removed 338 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 341 rules applied. Total rules applied 679 place count 496 transition count 901
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 682 place count 493 transition count 901
Performed 153 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 153 Pre rules applied. Total rules applied 682 place count 493 transition count 748
Deduced a syphon composed of 153 places in 1 ms
Reduce places removed 153 places and 0 transitions.
Iterating global reduction 3 with 306 rules applied. Total rules applied 988 place count 340 transition count 748
Applied a total of 988 rules in 126 ms. Remains 340 /834 variables (removed 494) and now considering 748/1242 (removed 494) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 127 ms. Remains : 340/834 places, 748/1242 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 536 ms. (steps per millisecond=18 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 225 ms. (steps per millisecond=44 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 9) 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 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 78 ms. (steps per millisecond=128 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
[2023-03-18 14:14:22] [INFO ] Flow matrix only has 628 transitions (discarded 120 similar events)
// Phase 1: matrix 628 rows 340 cols
[2023-03-18 14:14:22] [INFO ] Computed 23 place invariants in 3 ms
[2023-03-18 14:14:23] [INFO ] [Real]Absence check using 17 positive place invariants in 10 ms returned sat
[2023-03-18 14:14:23] [INFO ] [Real]Absence check using 17 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-18 14:14:24] [INFO ] After 1068ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-18 14:14:24] [INFO ] [Nat]Absence check using 17 positive place invariants in 9 ms returned sat
[2023-03-18 14:14:24] [INFO ] [Nat]Absence check using 17 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-18 14:14:25] [INFO ] After 769ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-18 14:14:25] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:14:25] [INFO ] After 648ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :9
[2023-03-18 14:14:26] [INFO ] Deduced a trap composed of 37 places in 175 ms of which 1 ms to minimize.
[2023-03-18 14:14:26] [INFO ] Deduced a trap composed of 27 places in 184 ms of which 0 ms to minimize.
[2023-03-18 14:14:26] [INFO ] Deduced a trap composed of 11 places in 183 ms of which 1 ms to minimize.
[2023-03-18 14:14:26] [INFO ] Deduced a trap composed of 29 places in 181 ms of which 0 ms to minimize.
[2023-03-18 14:14:26] [INFO ] Deduced a trap composed of 20 places in 161 ms of which 1 ms to minimize.
[2023-03-18 14:14:27] [INFO ] Deduced a trap composed of 20 places in 163 ms of which 1 ms to minimize.
[2023-03-18 14:14:27] [INFO ] Deduced a trap composed of 20 places in 190 ms of which 0 ms to minimize.
[2023-03-18 14:14:27] [INFO ] Deduced a trap composed of 9 places in 158 ms of which 1 ms to minimize.
[2023-03-18 14:14:27] [INFO ] Deduced a trap composed of 9 places in 158 ms of which 0 ms to minimize.
[2023-03-18 14:14:27] [INFO ] Deduced a trap composed of 9 places in 160 ms of which 0 ms to minimize.
[2023-03-18 14:14:27] [INFO ] Deduced a trap composed of 36 places in 160 ms of which 1 ms to minimize.
[2023-03-18 14:14:28] [INFO ] Deduced a trap composed of 18 places in 142 ms of which 0 ms to minimize.
[2023-03-18 14:14:28] [INFO ] Deduced a trap composed of 9 places in 169 ms of which 1 ms to minimize.
[2023-03-18 14:14:28] [INFO ] Deduced a trap composed of 29 places in 136 ms of which 1 ms to minimize.
[2023-03-18 14:14:28] [INFO ] Deduced a trap composed of 28 places in 143 ms of which 1 ms to minimize.
[2023-03-18 14:14:28] [INFO ] Deduced a trap composed of 41 places in 141 ms of which 1 ms to minimize.
[2023-03-18 14:14:29] [INFO ] Deduced a trap composed of 28 places in 144 ms of which 1 ms to minimize.
[2023-03-18 14:14:29] [INFO ] Deduced a trap composed of 29 places in 138 ms of which 0 ms to minimize.
[2023-03-18 14:14:29] [INFO ] Deduced a trap composed of 19 places in 151 ms of which 0 ms to minimize.
[2023-03-18 14:14:29] [INFO ] Deduced a trap composed of 19 places in 134 ms of which 1 ms to minimize.
[2023-03-18 14:14:29] [INFO ] Deduced a trap composed of 42 places in 118 ms of which 1 ms to minimize.
[2023-03-18 14:14:29] [INFO ] Deduced a trap composed of 19 places in 123 ms of which 0 ms to minimize.
[2023-03-18 14:14:30] [INFO ] Deduced a trap composed of 60 places in 147 ms of which 4 ms to minimize.
[2023-03-18 14:14:30] [INFO ] Deduced a trap composed of 37 places in 148 ms of which 1 ms to minimize.
[2023-03-18 14:14:30] [INFO ] Deduced a trap composed of 10 places in 142 ms of which 1 ms to minimize.
[2023-03-18 14:14:30] [INFO ] Deduced a trap composed of 10 places in 159 ms of which 1 ms to minimize.
[2023-03-18 14:14:30] [INFO ] Deduced a trap composed of 37 places in 155 ms of which 1 ms to minimize.
[2023-03-18 14:14:31] [INFO ] Deduced a trap composed of 11 places in 148 ms of which 1 ms to minimize.
[2023-03-18 14:14:31] [INFO ] Trap strengthening (SAT) tested/added 29/28 trap constraints in 5299 ms
[2023-03-18 14:14:31] [INFO ] Deduced a trap composed of 13 places in 138 ms of which 0 ms to minimize.
[2023-03-18 14:14:31] [INFO ] Deduced a trap composed of 69 places in 140 ms of which 1 ms to minimize.
[2023-03-18 14:14:32] [INFO ] Deduced a trap composed of 11 places in 171 ms of which 3 ms to minimize.
[2023-03-18 14:14:32] [INFO ] Deduced a trap composed of 12 places in 162 ms of which 0 ms to minimize.
[2023-03-18 14:14:32] [INFO ] Deduced a trap composed of 52 places in 136 ms of which 2 ms to minimize.
[2023-03-18 14:14:32] [INFO ] Deduced a trap composed of 45 places in 154 ms of which 5 ms to minimize.
[2023-03-18 14:14:32] [INFO ] Deduced a trap composed of 48 places in 160 ms of which 1 ms to minimize.
[2023-03-18 14:14:33] [INFO ] Deduced a trap composed of 48 places in 150 ms of which 1 ms to minimize.
[2023-03-18 14:14:33] [INFO ] Deduced a trap composed of 53 places in 149 ms of which 0 ms to minimize.
[2023-03-18 14:14:33] [INFO ] Deduced a trap composed of 37 places in 155 ms of which 1 ms to minimize.
[2023-03-18 14:14:33] [INFO ] Deduced a trap composed of 29 places in 154 ms of which 0 ms to minimize.
[2023-03-18 14:14:33] [INFO ] Deduced a trap composed of 20 places in 123 ms of which 0 ms to minimize.
[2023-03-18 14:14:33] [INFO ] Deduced a trap composed of 38 places in 100 ms of which 1 ms to minimize.
[2023-03-18 14:14:34] [INFO ] Deduced a trap composed of 38 places in 91 ms of which 0 ms to minimize.
[2023-03-18 14:14:34] [INFO ] Deduced a trap composed of 12 places in 131 ms of which 1 ms to minimize.
[2023-03-18 14:14:34] [INFO ] Deduced a trap composed of 39 places in 156 ms of which 1 ms to minimize.
[2023-03-18 14:14:34] [INFO ] Deduced a trap composed of 10 places in 133 ms of which 1 ms to minimize.
[2023-03-18 14:14:34] [INFO ] Deduced a trap composed of 48 places in 70 ms of which 1 ms to minimize.
[2023-03-18 14:14:35] [INFO ] Deduced a trap composed of 49 places in 75 ms of which 1 ms to minimize.
[2023-03-18 14:14:35] [INFO ] Deduced a trap composed of 48 places in 69 ms of which 0 ms to minimize.
[2023-03-18 14:14:35] [INFO ] Trap strengthening (SAT) tested/added 21/20 trap constraints in 3689 ms
[2023-03-18 14:14:35] [INFO ] Deduced a trap composed of 28 places in 141 ms of which 0 ms to minimize.
[2023-03-18 14:14:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 193 ms
[2023-03-18 14:14:35] [INFO ] Deduced a trap composed of 46 places in 71 ms of which 0 ms to minimize.
[2023-03-18 14:14:35] [INFO ] Deduced a trap composed of 44 places in 71 ms of which 0 ms to minimize.
[2023-03-18 14:14:35] [INFO ] Deduced a trap composed of 44 places in 71 ms of which 1 ms to minimize.
[2023-03-18 14:14:35] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 313 ms
[2023-03-18 14:14:36] [INFO ] Deduced a trap composed of 42 places in 140 ms of which 1 ms to minimize.
[2023-03-18 14:14:36] [INFO ] Deduced a trap composed of 54 places in 156 ms of which 1 ms to minimize.
[2023-03-18 14:14:36] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 0 ms to minimize.
[2023-03-18 14:14:36] [INFO ] Deduced a trap composed of 75 places in 128 ms of which 1 ms to minimize.
[2023-03-18 14:14:36] [INFO ] Deduced a trap composed of 37 places in 122 ms of which 0 ms to minimize.
[2023-03-18 14:14:36] [INFO ] Deduced a trap composed of 36 places in 93 ms of which 1 ms to minimize.
[2023-03-18 14:14:36] [INFO ] Deduced a trap composed of 21 places in 80 ms of which 0 ms to minimize.
[2023-03-18 14:14:37] [INFO ] Deduced a trap composed of 37 places in 111 ms of which 1 ms to minimize.
[2023-03-18 14:14:37] [INFO ] Deduced a trap composed of 10 places in 115 ms of which 1 ms to minimize.
[2023-03-18 14:14:37] [INFO ] Deduced a trap composed of 28 places in 92 ms of which 0 ms to minimize.
[2023-03-18 14:14:37] [INFO ] Deduced a trap composed of 30 places in 83 ms of which 0 ms to minimize.
[2023-03-18 14:14:37] [INFO ] Deduced a trap composed of 23 places in 146 ms of which 1 ms to minimize.
[2023-03-18 14:14:37] [INFO ] Deduced a trap composed of 14 places in 177 ms of which 1 ms to minimize.
[2023-03-18 14:14:38] [INFO ] Deduced a trap composed of 20 places in 145 ms of which 0 ms to minimize.
[2023-03-18 14:14:38] [INFO ] Deduced a trap composed of 38 places in 167 ms of which 1 ms to minimize.
[2023-03-18 14:14:38] [INFO ] Deduced a trap composed of 12 places in 163 ms of which 0 ms to minimize.
[2023-03-18 14:14:38] [INFO ] Deduced a trap composed of 9 places in 156 ms of which 1 ms to minimize.
[2023-03-18 14:14:38] [INFO ] Deduced a trap composed of 32 places in 148 ms of which 1 ms to minimize.
[2023-03-18 14:14:39] [INFO ] Deduced a trap composed of 40 places in 127 ms of which 1 ms to minimize.
[2023-03-18 14:14:39] [INFO ] Trap strengthening (SAT) tested/added 20/19 trap constraints in 3100 ms
[2023-03-18 14:14:39] [INFO ] Deduced a trap composed of 57 places in 129 ms of which 1 ms to minimize.
[2023-03-18 14:14:39] [INFO ] Deduced a trap composed of 44 places in 155 ms of which 0 ms to minimize.
[2023-03-18 14:14:39] [INFO ] Deduced a trap composed of 29 places in 140 ms of which 0 ms to minimize.
[2023-03-18 14:14:39] [INFO ] Deduced a trap composed of 64 places in 151 ms of which 1 ms to minimize.
[2023-03-18 14:14:39] [INFO ] Deduced a trap composed of 37 places in 125 ms of which 0 ms to minimize.
[2023-03-18 14:14:40] [INFO ] Deduced a trap composed of 33 places in 141 ms of which 0 ms to minimize.
[2023-03-18 14:14:40] [INFO ] Deduced a trap composed of 30 places in 149 ms of which 0 ms to minimize.
[2023-03-18 14:14:40] [INFO ] Deduced a trap composed of 30 places in 144 ms of which 1 ms to minimize.
[2023-03-18 14:14:40] [INFO ] Deduced a trap composed of 40 places in 123 ms of which 1 ms to minimize.
[2023-03-18 14:14:40] [INFO ] Deduced a trap composed of 39 places in 121 ms of which 1 ms to minimize.
[2023-03-18 14:14:40] [INFO ] Deduced a trap composed of 49 places in 120 ms of which 1 ms to minimize.
[2023-03-18 14:14:41] [INFO ] Deduced a trap composed of 40 places in 128 ms of which 1 ms to minimize.
[2023-03-18 14:14:41] [INFO ] Deduced a trap composed of 58 places in 126 ms of which 1 ms to minimize.
[2023-03-18 14:14:41] [INFO ] Deduced a trap composed of 39 places in 126 ms of which 0 ms to minimize.
[2023-03-18 14:14:41] [INFO ] Deduced a trap composed of 40 places in 126 ms of which 0 ms to minimize.
[2023-03-18 14:14:41] [INFO ] Deduced a trap composed of 22 places in 112 ms of which 1 ms to minimize.
[2023-03-18 14:14:41] [INFO ] Deduced a trap composed of 29 places in 139 ms of which 1 ms to minimize.
[2023-03-18 14:14:42] [INFO ] Deduced a trap composed of 63 places in 123 ms of which 1 ms to minimize.
[2023-03-18 14:14:42] [INFO ] Deduced a trap composed of 88 places in 117 ms of which 1 ms to minimize.
[2023-03-18 14:14:42] [INFO ] Deduced a trap composed of 21 places in 124 ms of which 1 ms to minimize.
[2023-03-18 14:14:42] [INFO ] Trap strengthening (SAT) tested/added 21/20 trap constraints in 3351 ms
[2023-03-18 14:14:42] [INFO ] Deduced a trap composed of 38 places in 119 ms of which 1 ms to minimize.
[2023-03-18 14:14:42] [INFO ] Deduced a trap composed of 38 places in 122 ms of which 1 ms to minimize.
[2023-03-18 14:14:42] [INFO ] Deduced a trap composed of 29 places in 115 ms of which 1 ms to minimize.
[2023-03-18 14:14:43] [INFO ] Deduced a trap composed of 29 places in 113 ms of which 1 ms to minimize.
[2023-03-18 14:14:43] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 602 ms
[2023-03-18 14:14:43] [INFO ] After 17967ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 1056 ms.
[2023-03-18 14:14:44] [INFO ] After 20025ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
Fused 9 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 277 ms.
Support contains 106 out of 340 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 340/340 places, 748/748 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 340 transition count 747
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 339 transition count 747
Applied a total of 2 rules in 45 ms. Remains 339 /340 variables (removed 1) and now considering 747/748 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 339/340 places, 747/748 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 387 ms. (steps per millisecond=25 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 220 ms. (steps per millisecond=45 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 9) 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 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 9) seen :0
Interrupted probabilistic random walk after 336700 steps, run timeout after 3001 ms. (steps per millisecond=112 ) properties seen :{}
Probabilistic random walk after 336700 steps, saw 49763 distinct states, run finished after 3006 ms. (steps per millisecond=112 ) properties seen :0
Running SMT prover for 9 properties.
[2023-03-18 14:14:48] [INFO ] Flow matrix only has 627 transitions (discarded 120 similar events)
// Phase 1: matrix 627 rows 339 cols
[2023-03-18 14:14:48] [INFO ] Computed 23 place invariants in 4 ms
[2023-03-18 14:14:48] [INFO ] [Real]Absence check using 17 positive place invariants in 10 ms returned sat
[2023-03-18 14:14:48] [INFO ] [Real]Absence check using 17 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-18 14:14:49] [INFO ] After 1113ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-18 14:14:49] [INFO ] [Nat]Absence check using 17 positive place invariants in 9 ms returned sat
[2023-03-18 14:14:49] [INFO ] [Nat]Absence check using 17 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-18 14:14:50] [INFO ] After 820ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-18 14:14:50] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:14:51] [INFO ] After 708ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :9
[2023-03-18 14:14:51] [INFO ] Deduced a trap composed of 9 places in 159 ms of which 1 ms to minimize.
[2023-03-18 14:14:51] [INFO ] Deduced a trap composed of 42 places in 175 ms of which 0 ms to minimize.
[2023-03-18 14:14:52] [INFO ] Deduced a trap composed of 41 places in 167 ms of which 0 ms to minimize.
[2023-03-18 14:14:52] [INFO ] Deduced a trap composed of 59 places in 170 ms of which 0 ms to minimize.
[2023-03-18 14:14:52] [INFO ] Deduced a trap composed of 64 places in 160 ms of which 1 ms to minimize.
[2023-03-18 14:14:52] [INFO ] Deduced a trap composed of 41 places in 157 ms of which 0 ms to minimize.
[2023-03-18 14:14:52] [INFO ] Deduced a trap composed of 50 places in 167 ms of which 1 ms to minimize.
[2023-03-18 14:14:53] [INFO ] Deduced a trap composed of 50 places in 169 ms of which 1 ms to minimize.
[2023-03-18 14:14:53] [INFO ] Deduced a trap composed of 32 places in 164 ms of which 1 ms to minimize.
[2023-03-18 14:14:53] [INFO ] Deduced a trap composed of 31 places in 154 ms of which 1 ms to minimize.
[2023-03-18 14:14:53] [INFO ] Deduced a trap composed of 18 places in 142 ms of which 1 ms to minimize.
[2023-03-18 14:14:53] [INFO ] Deduced a trap composed of 36 places in 139 ms of which 1 ms to minimize.
[2023-03-18 14:14:53] [INFO ] Deduced a trap composed of 19 places in 139 ms of which 0 ms to minimize.
[2023-03-18 14:14:54] [INFO ] Deduced a trap composed of 36 places in 153 ms of which 1 ms to minimize.
[2023-03-18 14:14:54] [INFO ] Deduced a trap composed of 19 places in 151 ms of which 0 ms to minimize.
[2023-03-18 14:14:54] [INFO ] Deduced a trap composed of 24 places in 130 ms of which 0 ms to minimize.
[2023-03-18 14:14:54] [INFO ] Deduced a trap composed of 19 places in 147 ms of which 1 ms to minimize.
[2023-03-18 14:14:54] [INFO ] Deduced a trap composed of 30 places in 165 ms of which 0 ms to minimize.
[2023-03-18 14:14:55] [INFO ] Deduced a trap composed of 29 places in 184 ms of which 0 ms to minimize.
[2023-03-18 14:14:55] [INFO ] Deduced a trap composed of 36 places in 167 ms of which 1 ms to minimize.
[2023-03-18 14:14:55] [INFO ] Deduced a trap composed of 37 places in 171 ms of which 0 ms to minimize.
[2023-03-18 14:14:55] [INFO ] Deduced a trap composed of 48 places in 166 ms of which 1 ms to minimize.
[2023-03-18 14:14:55] [INFO ] Deduced a trap composed of 65 places in 167 ms of which 1 ms to minimize.
[2023-03-18 14:14:56] [INFO ] Deduced a trap composed of 79 places in 178 ms of which 1 ms to minimize.
[2023-03-18 14:14:56] [INFO ] Deduced a trap composed of 38 places in 168 ms of which 0 ms to minimize.
[2023-03-18 14:14:56] [INFO ] Deduced a trap composed of 79 places in 167 ms of which 0 ms to minimize.
[2023-03-18 14:14:56] [INFO ] Deduced a trap composed of 36 places in 165 ms of which 0 ms to minimize.
[2023-03-18 14:14:56] [INFO ] Deduced a trap composed of 9 places in 145 ms of which 1 ms to minimize.
[2023-03-18 14:14:57] [INFO ] Deduced a trap composed of 9 places in 147 ms of which 0 ms to minimize.
[2023-03-18 14:14:57] [INFO ] Deduced a trap composed of 26 places in 175 ms of which 1 ms to minimize.
[2023-03-18 14:14:57] [INFO ] Deduced a trap composed of 34 places in 176 ms of which 0 ms to minimize.
[2023-03-18 14:14:57] [INFO ] Deduced a trap composed of 12 places in 182 ms of which 0 ms to minimize.
[2023-03-18 14:14:57] [INFO ] Trap strengthening (SAT) tested/added 33/32 trap constraints in 6140 ms
[2023-03-18 14:14:58] [INFO ] Deduced a trap composed of 16 places in 132 ms of which 1 ms to minimize.
[2023-03-18 14:14:58] [INFO ] Deduced a trap composed of 11 places in 133 ms of which 1 ms to minimize.
[2023-03-18 14:14:58] [INFO ] Deduced a trap composed of 44 places in 113 ms of which 0 ms to minimize.
[2023-03-18 14:14:58] [INFO ] Deduced a trap composed of 33 places in 110 ms of which 1 ms to minimize.
[2023-03-18 14:14:59] [INFO ] Deduced a trap composed of 37 places in 111 ms of which 1 ms to minimize.
[2023-03-18 14:14:59] [INFO ] Deduced a trap composed of 44 places in 136 ms of which 0 ms to minimize.
[2023-03-18 14:14:59] [INFO ] Deduced a trap composed of 54 places in 124 ms of which 0 ms to minimize.
[2023-03-18 14:14:59] [INFO ] Deduced a trap composed of 37 places in 125 ms of which 0 ms to minimize.
[2023-03-18 14:14:59] [INFO ] Deduced a trap composed of 54 places in 114 ms of which 0 ms to minimize.
[2023-03-18 14:14:59] [INFO ] Deduced a trap composed of 54 places in 113 ms of which 0 ms to minimize.
[2023-03-18 14:15:00] [INFO ] Deduced a trap composed of 28 places in 127 ms of which 1 ms to minimize.
[2023-03-18 14:15:00] [INFO ] Deduced a trap composed of 46 places in 108 ms of which 0 ms to minimize.
[2023-03-18 14:15:00] [INFO ] Deduced a trap composed of 44 places in 105 ms of which 1 ms to minimize.
[2023-03-18 14:15:00] [INFO ] Deduced a trap composed of 45 places in 104 ms of which 0 ms to minimize.
[2023-03-18 14:15:00] [INFO ] Deduced a trap composed of 32 places in 99 ms of which 1 ms to minimize.
[2023-03-18 14:15:01] [INFO ] Deduced a trap composed of 20 places in 117 ms of which 1 ms to minimize.
[2023-03-18 14:15:01] [INFO ] Deduced a trap composed of 31 places in 134 ms of which 1 ms to minimize.
[2023-03-18 14:15:01] [INFO ] Deduced a trap composed of 40 places in 127 ms of which 0 ms to minimize.
[2023-03-18 14:15:01] [INFO ] Deduced a trap composed of 35 places in 124 ms of which 0 ms to minimize.
[2023-03-18 14:15:02] [INFO ] Deduced a trap composed of 29 places in 126 ms of which 1 ms to minimize.
[2023-03-18 14:15:02] [INFO ] Deduced a trap composed of 38 places in 111 ms of which 0 ms to minimize.
[2023-03-18 14:15:02] [INFO ] Deduced a trap composed of 9 places in 119 ms of which 0 ms to minimize.
[2023-03-18 14:15:02] [INFO ] Deduced a trap composed of 46 places in 94 ms of which 0 ms to minimize.
[2023-03-18 14:15:02] [INFO ] Trap strengthening (SAT) tested/added 24/23 trap constraints in 4503 ms
[2023-03-18 14:15:02] [INFO ] Deduced a trap composed of 48 places in 98 ms of which 0 ms to minimize.
[2023-03-18 14:15:03] [INFO ] Deduced a trap composed of 48 places in 106 ms of which 0 ms to minimize.
[2023-03-18 14:15:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 279 ms
[2023-03-18 14:15:03] [INFO ] Deduced a trap composed of 27 places in 128 ms of which 1 ms to minimize.
[2023-03-18 14:15:03] [INFO ] Deduced a trap composed of 28 places in 147 ms of which 0 ms to minimize.
[2023-03-18 14:15:03] [INFO ] Deduced a trap composed of 37 places in 152 ms of which 0 ms to minimize.
[2023-03-18 14:15:03] [INFO ] Deduced a trap composed of 37 places in 147 ms of which 0 ms to minimize.
[2023-03-18 14:15:03] [INFO ] Deduced a trap composed of 36 places in 147 ms of which 0 ms to minimize.
[2023-03-18 14:15:04] [INFO ] Deduced a trap composed of 29 places in 137 ms of which 1 ms to minimize.
[2023-03-18 14:15:04] [INFO ] Deduced a trap composed of 9 places in 162 ms of which 0 ms to minimize.
[2023-03-18 14:15:04] [INFO ] Deduced a trap composed of 41 places in 120 ms of which 1 ms to minimize.
[2023-03-18 14:15:04] [INFO ] Deduced a trap composed of 38 places in 117 ms of which 0 ms to minimize.
[2023-03-18 14:15:04] [INFO ] Deduced a trap composed of 38 places in 119 ms of which 0 ms to minimize.
[2023-03-18 14:15:04] [INFO ] Deduced a trap composed of 38 places in 117 ms of which 0 ms to minimize.
[2023-03-18 14:15:05] [INFO ] Deduced a trap composed of 50 places in 124 ms of which 1 ms to minimize.
[2023-03-18 14:15:05] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 2015 ms
[2023-03-18 14:15:05] [INFO ] Deduced a trap composed of 54 places in 121 ms of which 1 ms to minimize.
[2023-03-18 14:15:05] [INFO ] Deduced a trap composed of 23 places in 137 ms of which 0 ms to minimize.
[2023-03-18 14:15:05] [INFO ] Deduced a trap composed of 62 places in 167 ms of which 0 ms to minimize.
[2023-03-18 14:15:05] [INFO ] Deduced a trap composed of 67 places in 128 ms of which 1 ms to minimize.
[2023-03-18 14:15:06] [INFO ] Deduced a trap composed of 12 places in 156 ms of which 0 ms to minimize.
[2023-03-18 14:15:06] [INFO ] Deduced a trap composed of 11 places in 162 ms of which 0 ms to minimize.
[2023-03-18 14:15:06] [INFO ] Deduced a trap composed of 13 places in 150 ms of which 1 ms to minimize.
[2023-03-18 14:15:06] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1308 ms
[2023-03-18 14:15:06] [INFO ] Deduced a trap composed of 33 places in 180 ms of which 0 ms to minimize.
[2023-03-18 14:15:06] [INFO ] Deduced a trap composed of 33 places in 187 ms of which 1 ms to minimize.
[2023-03-18 14:15:07] [INFO ] Deduced a trap composed of 20 places in 167 ms of which 1 ms to minimize.
[2023-03-18 14:15:07] [INFO ] Deduced a trap composed of 56 places in 120 ms of which 1 ms to minimize.
[2023-03-18 14:15:07] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 794 ms
[2023-03-18 14:15:07] [INFO ] After 16506ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 1284 ms.
[2023-03-18 14:15:08] [INFO ] After 18863ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
Fused 9 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 22 ms.
Support contains 106 out of 339 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 339/339 places, 747/747 transitions.
Applied a total of 0 rules in 26 ms. Remains 339 /339 variables (removed 0) and now considering 747/747 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 339/339 places, 747/747 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 339/339 places, 747/747 transitions.
Applied a total of 0 rules in 19 ms. Remains 339 /339 variables (removed 0) and now considering 747/747 (removed 0) transitions.
[2023-03-18 14:15:08] [INFO ] Flow matrix only has 627 transitions (discarded 120 similar events)
[2023-03-18 14:15:08] [INFO ] Invariant cache hit.
[2023-03-18 14:15:08] [INFO ] Implicit Places using invariants in 273 ms returned [290, 310, 311, 312, 313, 314]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 283 ms to find 6 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 333/339 places, 747/747 transitions.
Applied a total of 0 rules in 17 ms. Remains 333 /333 variables (removed 0) and now considering 747/747 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 320 ms. Remains : 333/339 places, 747/747 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 345 ms. (steps per millisecond=28 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 230 ms. (steps per millisecond=43 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 9) seen :0
Interrupted probabilistic random walk after 341810 steps, run timeout after 3001 ms. (steps per millisecond=113 ) properties seen :{}
Probabilistic random walk after 341810 steps, saw 50348 distinct states, run finished after 3001 ms. (steps per millisecond=113 ) properties seen :0
Running SMT prover for 9 properties.
[2023-03-18 14:15:13] [INFO ] Flow matrix only has 627 transitions (discarded 120 similar events)
// Phase 1: matrix 627 rows 333 cols
[2023-03-18 14:15:13] [INFO ] Computed 17 place invariants in 5 ms
[2023-03-18 14:15:13] [INFO ] [Real]Absence check using 17 positive place invariants in 9 ms returned sat
[2023-03-18 14:15:14] [INFO ] After 1039ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-18 14:15:14] [INFO ] [Nat]Absence check using 17 positive place invariants in 8 ms returned sat
[2023-03-18 14:15:15] [INFO ] After 789ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-18 14:15:15] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:15:15] [INFO ] After 637ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :9
[2023-03-18 14:15:15] [INFO ] Deduced a trap composed of 31 places in 161 ms of which 1 ms to minimize.
[2023-03-18 14:15:16] [INFO ] Deduced a trap composed of 11 places in 188 ms of which 0 ms to minimize.
[2023-03-18 14:15:16] [INFO ] Deduced a trap composed of 12 places in 174 ms of which 1 ms to minimize.
[2023-03-18 14:15:16] [INFO ] Deduced a trap composed of 10 places in 185 ms of which 0 ms to minimize.
[2023-03-18 14:15:16] [INFO ] Deduced a trap composed of 10 places in 174 ms of which 1 ms to minimize.
[2023-03-18 14:15:16] [INFO ] Deduced a trap composed of 33 places in 163 ms of which 0 ms to minimize.
[2023-03-18 14:15:17] [INFO ] Deduced a trap composed of 9 places in 175 ms of which 0 ms to minimize.
[2023-03-18 14:15:17] [INFO ] Deduced a trap composed of 9 places in 201 ms of which 1 ms to minimize.
[2023-03-18 14:15:17] [INFO ] Deduced a trap composed of 27 places in 160 ms of which 1 ms to minimize.
[2023-03-18 14:15:17] [INFO ] Deduced a trap composed of 53 places in 164 ms of which 1 ms to minimize.
[2023-03-18 14:15:17] [INFO ] Deduced a trap composed of 33 places in 159 ms of which 0 ms to minimize.
[2023-03-18 14:15:18] [INFO ] Deduced a trap composed of 58 places in 169 ms of which 1 ms to minimize.
[2023-03-18 14:15:18] [INFO ] Deduced a trap composed of 28 places in 165 ms of which 1 ms to minimize.
[2023-03-18 14:15:18] [INFO ] Deduced a trap composed of 20 places in 154 ms of which 0 ms to minimize.
[2023-03-18 14:15:18] [INFO ] Deduced a trap composed of 18 places in 153 ms of which 0 ms to minimize.
[2023-03-18 14:15:18] [INFO ] Deduced a trap composed of 33 places in 159 ms of which 1 ms to minimize.
[2023-03-18 14:15:19] [INFO ] Deduced a trap composed of 33 places in 170 ms of which 1 ms to minimize.
[2023-03-18 14:15:19] [INFO ] Deduced a trap composed of 33 places in 155 ms of which 0 ms to minimize.
[2023-03-18 14:15:19] [INFO ] Deduced a trap composed of 33 places in 161 ms of which 0 ms to minimize.
[2023-03-18 14:15:19] [INFO ] Deduced a trap composed of 19 places in 164 ms of which 1 ms to minimize.
[2023-03-18 14:15:19] [INFO ] Deduced a trap composed of 33 places in 166 ms of which 2 ms to minimize.
[2023-03-18 14:15:20] [INFO ] Deduced a trap composed of 33 places in 165 ms of which 0 ms to minimize.
[2023-03-18 14:15:20] [INFO ] Deduced a trap composed of 19 places in 162 ms of which 1 ms to minimize.
[2023-03-18 14:15:20] [INFO ] Deduced a trap composed of 27 places in 140 ms of which 0 ms to minimize.
[2023-03-18 14:15:20] [INFO ] Deduced a trap composed of 63 places in 142 ms of which 0 ms to minimize.
[2023-03-18 14:15:20] [INFO ] Deduced a trap composed of 19 places in 163 ms of which 1 ms to minimize.
[2023-03-18 14:15:20] [INFO ] Deduced a trap composed of 28 places in 137 ms of which 0 ms to minimize.
[2023-03-18 14:15:21] [INFO ] Deduced a trap composed of 49 places in 137 ms of which 0 ms to minimize.
[2023-03-18 14:15:21] [INFO ] Deduced a trap composed of 29 places in 141 ms of which 1 ms to minimize.
[2023-03-18 14:15:21] [INFO ] Deduced a trap composed of 45 places in 105 ms of which 0 ms to minimize.
[2023-03-18 14:15:21] [INFO ] Trap strengthening (SAT) tested/added 31/30 trap constraints in 5652 ms
[2023-03-18 14:15:22] [INFO ] Deduced a trap composed of 9 places in 133 ms of which 1 ms to minimize.
[2023-03-18 14:15:22] [INFO ] Deduced a trap composed of 58 places in 151 ms of which 0 ms to minimize.
[2023-03-18 14:15:22] [INFO ] Deduced a trap composed of 20 places in 130 ms of which 0 ms to minimize.
[2023-03-18 14:15:22] [INFO ] Deduced a trap composed of 21 places in 151 ms of which 1 ms to minimize.
[2023-03-18 14:15:22] [INFO ] Deduced a trap composed of 20 places in 132 ms of which 0 ms to minimize.
[2023-03-18 14:15:23] [INFO ] Deduced a trap composed of 39 places in 150 ms of which 0 ms to minimize.
[2023-03-18 14:15:23] [INFO ] Deduced a trap composed of 38 places in 144 ms of which 1 ms to minimize.
[2023-03-18 14:15:23] [INFO ] Deduced a trap composed of 21 places in 128 ms of which 1 ms to minimize.
[2023-03-18 14:15:23] [INFO ] Deduced a trap composed of 58 places in 120 ms of which 1 ms to minimize.
[2023-03-18 14:15:23] [INFO ] Deduced a trap composed of 21 places in 115 ms of which 1 ms to minimize.
[2023-03-18 14:15:23] [INFO ] Deduced a trap composed of 20 places in 117 ms of which 1 ms to minimize.
[2023-03-18 14:15:24] [INFO ] Deduced a trap composed of 71 places in 94 ms of which 1 ms to minimize.
[2023-03-18 14:15:24] [INFO ] Deduced a trap composed of 53 places in 101 ms of which 1 ms to minimize.
[2023-03-18 14:15:24] [INFO ] Deduced a trap composed of 39 places in 108 ms of which 2 ms to minimize.
[2023-03-18 14:15:24] [INFO ] Trap strengthening (SAT) tested/added 15/14 trap constraints in 2596 ms
[2023-03-18 14:15:24] [INFO ] Deduced a trap composed of 12 places in 112 ms of which 1 ms to minimize.
[2023-03-18 14:15:24] [INFO ] Deduced a trap composed of 13 places in 124 ms of which 0 ms to minimize.
[2023-03-18 14:15:25] [INFO ] Deduced a trap composed of 48 places in 87 ms of which 0 ms to minimize.
[2023-03-18 14:15:25] [INFO ] Deduced a trap composed of 47 places in 88 ms of which 0 ms to minimize.
[2023-03-18 14:15:25] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 535 ms
[2023-03-18 14:15:25] [INFO ] Deduced a trap composed of 23 places in 140 ms of which 0 ms to minimize.
[2023-03-18 14:15:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 189 ms
[2023-03-18 14:15:25] [INFO ] Deduced a trap composed of 62 places in 104 ms of which 0 ms to minimize.
[2023-03-18 14:15:25] [INFO ] Deduced a trap composed of 67 places in 97 ms of which 0 ms to minimize.
[2023-03-18 14:15:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 280 ms
[2023-03-18 14:15:25] [INFO ] Deduced a trap composed of 29 places in 149 ms of which 0 ms to minimize.
[2023-03-18 14:15:26] [INFO ] Deduced a trap composed of 53 places in 147 ms of which 1 ms to minimize.
[2023-03-18 14:15:26] [INFO ] Deduced a trap composed of 68 places in 146 ms of which 1 ms to minimize.
[2023-03-18 14:15:26] [INFO ] Deduced a trap composed of 55 places in 149 ms of which 0 ms to minimize.
[2023-03-18 14:15:26] [INFO ] Deduced a trap composed of 51 places in 142 ms of which 0 ms to minimize.
[2023-03-18 14:15:26] [INFO ] Deduced a trap composed of 33 places in 145 ms of which 1 ms to minimize.
[2023-03-18 14:15:26] [INFO ] Deduced a trap composed of 47 places in 145 ms of which 1 ms to minimize.
[2023-03-18 14:15:27] [INFO ] Deduced a trap composed of 23 places in 154 ms of which 0 ms to minimize.
[2023-03-18 14:15:27] [INFO ] Deduced a trap composed of 38 places in 115 ms of which 0 ms to minimize.
[2023-03-18 14:15:27] [INFO ] Deduced a trap composed of 38 places in 118 ms of which 1 ms to minimize.
[2023-03-18 14:15:27] [INFO ] Deduced a trap composed of 38 places in 114 ms of which 1 ms to minimize.
[2023-03-18 14:15:27] [INFO ] Deduced a trap composed of 55 places in 93 ms of which 0 ms to minimize.
[2023-03-18 14:15:27] [INFO ] Deduced a trap composed of 54 places in 90 ms of which 1 ms to minimize.
[2023-03-18 14:15:27] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 2095 ms
[2023-03-18 14:15:27] [INFO ] After 12767ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 746 ms.
[2023-03-18 14:15:28] [INFO ] After 14529ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
Fused 9 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 5 ms.
Support contains 106 out of 333 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 333/333 places, 747/747 transitions.
Applied a total of 0 rules in 16 ms. Remains 333 /333 variables (removed 0) and now considering 747/747 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 333/333 places, 747/747 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 333/333 places, 747/747 transitions.
Applied a total of 0 rules in 15 ms. Remains 333 /333 variables (removed 0) and now considering 747/747 (removed 0) transitions.
[2023-03-18 14:15:28] [INFO ] Flow matrix only has 627 transitions (discarded 120 similar events)
[2023-03-18 14:15:28] [INFO ] Invariant cache hit.
[2023-03-18 14:15:28] [INFO ] Implicit Places using invariants in 259 ms returned []
[2023-03-18 14:15:28] [INFO ] Flow matrix only has 627 transitions (discarded 120 similar events)
[2023-03-18 14:15:28] [INFO ] Invariant cache hit.
[2023-03-18 14:15:29] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:15:29] [INFO ] Implicit Places using invariants and state equation in 953 ms returned []
Implicit Place search using SMT with State Equation took 1215 ms to find 0 implicit places.
[2023-03-18 14:15:29] [INFO ] Redundant transitions in 49 ms returned []
[2023-03-18 14:15:29] [INFO ] Flow matrix only has 627 transitions (discarded 120 similar events)
[2023-03-18 14:15:29] [INFO ] Invariant cache hit.
[2023-03-18 14:15:30] [INFO ] Dead Transitions using invariants and state equation in 564 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1861 ms. Remains : 333/333 places, 747/747 transitions.
Graph (trivial) has 421 edges and 333 vertex of which 166 / 333 are part of one of the 29 SCC in 5 ms
Free SCC test removed 137 places
Drop transitions removed 274 transitions
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 394 transitions.
Performed 6 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 13 place count 190 transition count 344
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 31 place count 181 transition count 389
Drop transitions removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 0 with 29 rules applied. Total rules applied 60 place count 181 transition count 360
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 62 place count 181 transition count 358
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 64 place count 179 transition count 358
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 65 place count 179 transition count 357
Partial Free-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 69 place count 179 transition count 357
Applied a total of 69 rules in 62 ms. Remains 179 /333 variables (removed 154) and now considering 357/747 (removed 390) transitions.
Running SMT prover for 9 properties.
// Phase 1: matrix 357 rows 179 cols
[2023-03-18 14:15:30] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:15:30] [INFO ] [Real]Absence check using 17 positive place invariants in 8 ms returned sat
[2023-03-18 14:15:31] [INFO ] After 891ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-18 14:15:31] [INFO ] [Nat]Absence check using 17 positive place invariants in 6 ms returned sat
[2023-03-18 14:15:32] [INFO ] After 671ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-18 14:15:32] [INFO ] After 1310ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 562 ms.
[2023-03-18 14:15:33] [INFO ] After 2017ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
FORMULA Peterson-PT-5-LTLFireability-01 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(X(G((p0||(!p1 U (p2||G(!p1))))))))'
Support contains 270 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 23 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:15:33] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 834 cols
[2023-03-18 14:15:33] [INFO ] Computed 23 place invariants in 8 ms
[2023-03-18 14:15:34] [INFO ] Implicit Places using invariants in 421 ms returned [785, 805, 806, 807, 808, 809]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 427 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 23 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 473 ms. Remains : 828/834 places, 1242/1242 transitions.
Stuttering acceptance computed with spot in 484 ms :[true, (AND p1 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1 (NOT p0))]
Running random walk in product with property : Peterson-PT-5-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 1}, { cond=p2, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(OR p0 p2), acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}]], initial=4, aps=[p2:(AND (NOT (OR (AND (EQ s607 1) (EQ s805 1)) (AND (EQ s534 1) (EQ s810 1)) (AND (EQ s606 1) (EQ s799 1)) (AND (EQ s611 1) (EQ s803 1)) (AND (EQ s522 1) ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 786 ms.
Product exploration explored 100000 steps with 0 reset in 801 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 p2 (NOT p1) p0), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (OR p0 p2)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 189 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 361 ms. (steps per millisecond=27 ) properties (out of 6) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 165 ms. (steps per millisecond=60 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 205 ms. (steps per millisecond=48 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 123 ms. (steps per millisecond=81 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-18 14:15:37] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 828 cols
[2023-03-18 14:15:37] [INFO ] Computed 17 place invariants in 6 ms
[2023-03-18 14:15:38] [INFO ] [Real]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:15:40] [INFO ] After 2258ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:15:40] [INFO ] [Nat]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:15:45] [INFO ] After 4503ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:15:45] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:15:50] [INFO ] After 5177ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-18 14:15:52] [INFO ] Deduced a trap composed of 11 places in 513 ms of which 1 ms to minimize.
[2023-03-18 14:15:53] [INFO ] Deduced a trap composed of 14 places in 499 ms of which 1 ms to minimize.
[2023-03-18 14:15:53] [INFO ] Deduced a trap composed of 11 places in 535 ms of which 1 ms to minimize.
[2023-03-18 14:15:54] [INFO ] Deduced a trap composed of 11 places in 495 ms of which 1 ms to minimize.
[2023-03-18 14:15:55] [INFO ] Deduced a trap composed of 41 places in 529 ms of which 1 ms to minimize.
[2023-03-18 14:15:55] [INFO ] Deduced a trap composed of 41 places in 494 ms of which 1 ms to minimize.
[2023-03-18 14:15:56] [INFO ] Deduced a trap composed of 41 places in 482 ms of which 1 ms to minimize.
[2023-03-18 14:15:56] [INFO ] Deduced a trap composed of 41 places in 508 ms of which 0 ms to minimize.
[2023-03-18 14:15:57] [INFO ] Deduced a trap composed of 11 places in 493 ms of which 1 ms to minimize.
[2023-03-18 14:15:59] [INFO ] Deduced a trap composed of 62 places in 444 ms of which 1 ms to minimize.
[2023-03-18 14:15:59] [INFO ] Deduced a trap composed of 11 places in 443 ms of which 1 ms to minimize.
[2023-03-18 14:16:00] [INFO ] Deduced a trap composed of 28 places in 415 ms of which 1 ms to minimize.
[2023-03-18 14:16:00] [INFO ] Deduced a trap composed of 28 places in 445 ms of which 1 ms to minimize.
[2023-03-18 14:16:01] [INFO ] Deduced a trap composed of 28 places in 413 ms of which 1 ms to minimize.
[2023-03-18 14:16:02] [INFO ] Deduced a trap composed of 62 places in 426 ms of which 1 ms to minimize.
[2023-03-18 14:16:02] [INFO ] Deduced a trap composed of 28 places in 437 ms of which 0 ms to minimize.
[2023-03-18 14:16:03] [INFO ] Deduced a trap composed of 52 places in 374 ms of which 1 ms to minimize.
[2023-03-18 14:16:03] [INFO ] Deduced a trap composed of 89 places in 407 ms of which 1 ms to minimize.
[2023-03-18 14:16:04] [INFO ] Deduced a trap composed of 53 places in 380 ms of which 1 ms to minimize.
[2023-03-18 14:16:04] [INFO ] Deduced a trap composed of 108 places in 347 ms of which 1 ms to minimize.
[2023-03-18 14:16:05] [INFO ] Deduced a trap composed of 108 places in 345 ms of which 1 ms to minimize.
[2023-03-18 14:16:05] [INFO ] Deduced a trap composed of 44 places in 357 ms of which 1 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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-18 14:16:05] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-18 14:16:05] [INFO ] After 25382ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 83 ms.
Support contains 270 out of 828 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Performed 175 Post agglomeration using F-continuation condition.Transition count delta: 175
Iterating post reduction 0 with 175 rules applied. Total rules applied 175 place count 828 transition count 1067
Reduce places removed 175 places and 0 transitions.
Iterating post reduction 1 with 175 rules applied. Total rules applied 350 place count 653 transition count 1067
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 30 Pre rules applied. Total rules applied 350 place count 653 transition count 1037
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 410 place count 623 transition count 1037
Applied a total of 410 rules in 51 ms. Remains 623 /828 variables (removed 205) and now considering 1037/1242 (removed 205) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 623/828 places, 1037/1242 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 309 ms. (steps per millisecond=32 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 177 ms. (steps per millisecond=56 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 187 ms. (steps per millisecond=53 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 133 ms. (steps per millisecond=75 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 268947 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :{}
Probabilistic random walk after 268947 steps, saw 82714 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-18 14:16:09] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
// Phase 1: matrix 917 rows 623 cols
[2023-03-18 14:16:09] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-18 14:16:10] [INFO ] [Real]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:16:10] [INFO ] After 217ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:16:10] [INFO ] [Nat]Absence check using 17 positive place invariants in 11 ms returned sat
[2023-03-18 14:16:14] [INFO ] After 4106ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:16:14] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:16:18] [INFO ] After 3642ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-18 14:16:20] [INFO ] Deduced a trap composed of 22 places in 397 ms of which 1 ms to minimize.
[2023-03-18 14:16:20] [INFO ] Deduced a trap composed of 12 places in 378 ms of which 1 ms to minimize.
[2023-03-18 14:16:20] [INFO ] Deduced a trap composed of 25 places in 374 ms of which 1 ms to minimize.
[2023-03-18 14:16:21] [INFO ] Deduced a trap composed of 24 places in 348 ms of which 1 ms to minimize.
[2023-03-18 14:16:21] [INFO ] Deduced a trap composed of 29 places in 368 ms of which 1 ms to minimize.
[2023-03-18 14:16:22] [INFO ] Deduced a trap composed of 10 places in 312 ms of which 1 ms to minimize.
[2023-03-18 14:16:22] [INFO ] Deduced a trap composed of 21 places in 353 ms of which 1 ms to minimize.
[2023-03-18 14:16:23] [INFO ] Deduced a trap composed of 91 places in 198 ms of which 0 ms to minimize.
[2023-03-18 14:16:23] [INFO ] Deduced a trap composed of 72 places in 263 ms of which 0 ms to minimize.
[2023-03-18 14:16:23] [INFO ] Deduced a trap composed of 107 places in 266 ms of which 1 ms to minimize.
[2023-03-18 14:16:24] [INFO ] Deduced a trap composed of 110 places in 267 ms of which 1 ms to minimize.
[2023-03-18 14:16:24] [INFO ] Deduced a trap composed of 18 places in 247 ms of which 1 ms to minimize.
[2023-03-18 14:16:24] [INFO ] Deduced a trap composed of 10 places in 355 ms of which 1 ms to minimize.
[2023-03-18 14:16:25] [INFO ] Deduced a trap composed of 10 places in 365 ms of which 1 ms to minimize.
[2023-03-18 14:16:25] [INFO ] Deduced a trap composed of 10 places in 362 ms of which 0 ms to minimize.
[2023-03-18 14:16:26] [INFO ] Deduced a trap composed of 82 places in 295 ms of which 1 ms to minimize.
[2023-03-18 14:16:26] [INFO ] Deduced a trap composed of 25 places in 272 ms of which 1 ms to minimize.
[2023-03-18 14:16:27] [INFO ] Deduced a trap composed of 53 places in 363 ms of which 1 ms to minimize.
[2023-03-18 14:16:27] [INFO ] Deduced a trap composed of 25 places in 361 ms of which 0 ms to minimize.
[2023-03-18 14:16:28] [INFO ] Deduced a trap composed of 25 places in 362 ms of which 1 ms to minimize.
[2023-03-18 14:16:28] [INFO ] Deduced a trap composed of 98 places in 283 ms of which 0 ms to minimize.
[2023-03-18 14:16:28] [INFO ] Deduced a trap composed of 104 places in 283 ms of which 1 ms to minimize.
[2023-03-18 14:16:29] [INFO ] Deduced a trap composed of 53 places in 133 ms of which 0 ms to minimize.
[2023-03-18 14:16:29] [INFO ] Deduced a trap composed of 64 places in 193 ms of which 1 ms to minimize.
[2023-03-18 14:16:29] [INFO ] Deduced a trap composed of 13 places in 343 ms of which 1 ms to minimize.
[2023-03-18 14:16:30] [INFO ] Deduced a trap composed of 51 places in 268 ms of which 1 ms to minimize.
[2023-03-18 14:16:30] [INFO ] Deduced a trap composed of 86 places in 248 ms of which 1 ms to minimize.
[2023-03-18 14:16:30] [INFO ] Deduced a trap composed of 84 places in 120 ms of which 0 ms to minimize.
[2023-03-18 14:16:31] [INFO ] Deduced a trap composed of 110 places in 134 ms of which 0 ms to minimize.
[2023-03-18 14:16:31] [INFO ] Deduced a trap composed of 47 places in 274 ms of which 0 ms to minimize.
[2023-03-18 14:16:31] [INFO ] Deduced a trap composed of 38 places in 362 ms of which 0 ms to minimize.
[2023-03-18 14:16:32] [INFO ] Deduced a trap composed of 42 places in 349 ms of which 1 ms to minimize.
[2023-03-18 14:16:32] [INFO ] Deduced a trap composed of 64 places in 352 ms of which 1 ms to minimize.
[2023-03-18 14:16:33] [INFO ] Deduced a trap composed of 84 places in 345 ms of which 1 ms to minimize.
[2023-03-18 14:16:33] [INFO ] Deduced a trap composed of 38 places in 311 ms of which 1 ms to minimize.
[2023-03-18 14:16:34] [INFO ] Deduced a trap composed of 129 places in 155 ms of which 1 ms to minimize.
[2023-03-18 14:16:34] [INFO ] Deduced a trap composed of 67 places in 238 ms of which 1 ms to minimize.
[2023-03-18 14:16:35] [INFO ] Trap strengthening (SAT) tested/added 37/37 trap constraints in 15673 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.refineResultsWithTraps(DeadlockTester.java:769)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-18 14:16:35] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-18 14:16:35] [INFO ] After 25012ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 1 ms.
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 19 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 623/623 places, 1037/1037 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 18 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
[2023-03-18 14:16:35] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:16:35] [INFO ] Invariant cache hit.
[2023-03-18 14:16:35] [INFO ] Implicit Places using invariants in 344 ms returned []
[2023-03-18 14:16:35] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:16:35] [INFO ] Invariant cache hit.
[2023-03-18 14:16:36] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:16:37] [INFO ] Implicit Places using invariants and state equation in 1952 ms returned []
Implicit Place search using SMT with State Equation took 2300 ms to find 0 implicit places.
[2023-03-18 14:16:37] [INFO ] Redundant transitions in 19 ms returned []
[2023-03-18 14:16:37] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:16:37] [INFO ] Invariant cache hit.
[2023-03-18 14:16:38] [INFO ] Dead Transitions using invariants and state equation in 1045 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3392 ms. Remains : 623/623 places, 1037/1037 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 623 transition count 917
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 1 with 18 rules applied. Total rules applied 138 place count 611 transition count 911
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 1 with 12 rules applied. Total rules applied 150 place count 605 transition count 905
Free-agglomeration rule applied 125 times.
Iterating global reduction 1 with 125 rules applied. Total rules applied 275 place count 605 transition count 780
Reduce places removed 125 places and 0 transitions.
Iterating post reduction 1 with 125 rules applied. Total rules applied 400 place count 480 transition count 780
Applied a total of 400 rules in 68 ms. Remains 480 /623 variables (removed 143) and now considering 780/1037 (removed 257) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 780 rows 480 cols
[2023-03-18 14:16:38] [INFO ] Computed 11 place invariants in 3 ms
[2023-03-18 14:16:39] [INFO ] [Real]Absence check using 11 positive place invariants in 9 ms returned sat
[2023-03-18 14:16:39] [INFO ] After 333ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:16:39] [INFO ] [Nat]Absence check using 11 positive place invariants in 8 ms returned sat
[2023-03-18 14:16:43] [INFO ] After 3623ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:16:46] [INFO ] After 7040ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 3320 ms.
[2023-03-18 14:16:50] [INFO ] After 10570ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Knowledge obtained : [(AND p2 (NOT p1) p0), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (OR p0 p2)))]
False Knowledge obtained : [(F (AND p1 (NOT p2))), (F (NOT p2)), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 4 factoid took 243 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 163 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 167 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Support contains 270 out of 828 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Applied a total of 0 rules in 9 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:16:50] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 828 cols
[2023-03-18 14:16:50] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-18 14:16:51] [INFO ] Implicit Places using invariants in 441 ms returned []
[2023-03-18 14:16:51] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:16:51] [INFO ] Invariant cache hit.
[2023-03-18 14:16:51] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:16:53] [INFO ] Implicit Places using invariants and state equation in 2500 ms returned []
Implicit Place search using SMT with State Equation took 2946 ms to find 0 implicit places.
[2023-03-18 14:16:53] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:16:53] [INFO ] Invariant cache hit.
[2023-03-18 14:16:54] [INFO ] Dead Transitions using invariants and state equation in 1348 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4305 ms. Remains : 828/828 places, 1242/1242 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 p1) p2 p0), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (OR p0 p2)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 177 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 170 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 258 ms. (steps per millisecond=38 ) properties (out of 6) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 172 ms. (steps per millisecond=58 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 180 ms. (steps per millisecond=55 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-18 14:16:56] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:16:56] [INFO ] Invariant cache hit.
[2023-03-18 14:16:56] [INFO ] [Real]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:16:58] [INFO ] After 2255ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:16:58] [INFO ] [Nat]Absence check using 17 positive place invariants in 15 ms returned sat
[2023-03-18 14:17:03] [INFO ] After 4583ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:17:03] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:17:07] [INFO ] After 4064ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-18 14:17:09] [INFO ] Deduced a trap composed of 46 places in 513 ms of which 1 ms to minimize.
[2023-03-18 14:17:10] [INFO ] Deduced a trap composed of 44 places in 525 ms of which 1 ms to minimize.
[2023-03-18 14:17:10] [INFO ] Deduced a trap composed of 63 places in 497 ms of which 0 ms to minimize.
[2023-03-18 14:17:11] [INFO ] Deduced a trap composed of 63 places in 524 ms of which 1 ms to minimize.
[2023-03-18 14:17:12] [INFO ] Deduced a trap composed of 28 places in 464 ms of which 1 ms to minimize.
[2023-03-18 14:17:12] [INFO ] Deduced a trap composed of 26 places in 474 ms of which 1 ms to minimize.
[2023-03-18 14:17:13] [INFO ] Deduced a trap composed of 37 places in 480 ms of which 1 ms to minimize.
[2023-03-18 14:17:13] [INFO ] Deduced a trap composed of 18 places in 381 ms of which 0 ms to minimize.
[2023-03-18 14:17:14] [INFO ] Deduced a trap composed of 26 places in 328 ms of which 1 ms to minimize.
[2023-03-18 14:17:14] [INFO ] Deduced a trap composed of 115 places in 254 ms of which 1 ms to minimize.
[2023-03-18 14:17:15] [INFO ] Deduced a trap composed of 96 places in 219 ms of which 1 ms to minimize.
[2023-03-18 14:17:15] [INFO ] Deduced a trap composed of 115 places in 256 ms of which 1 ms to minimize.
[2023-03-18 14:17:15] [INFO ] Deduced a trap composed of 82 places in 224 ms of which 1 ms to minimize.
[2023-03-18 14:17:17] [INFO ] Deduced a trap composed of 13 places in 582 ms of which 1 ms to minimize.
[2023-03-18 14:17:18] [INFO ] Deduced a trap composed of 52 places in 584 ms of which 1 ms to minimize.
[2023-03-18 14:17:18] [INFO ] Deduced a trap composed of 127 places in 401 ms of which 0 ms to minimize.
[2023-03-18 14:17:18] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 9780 ms
[2023-03-18 14:17:20] [INFO ] Deduced a trap composed of 70 places in 413 ms of which 1 ms to minimize.
[2023-03-18 14:17:21] [INFO ] Deduced a trap composed of 11 places in 430 ms of which 1 ms to minimize.
[2023-03-18 14:17:21] [INFO ] Deduced a trap composed of 78 places in 393 ms of which 0 ms to minimize.
[2023-03-18 14:17:22] [INFO ] Deduced a trap composed of 30 places in 398 ms of which 1 ms to minimize.
[2023-03-18 14:17:23] [INFO ] Deduced a trap composed of 104 places in 434 ms of which 1 ms to minimize.
[2023-03-18 14:17:23] [INFO ] Deduced a trap composed of 104 places in 413 ms of which 1 ms to minimize.
[2023-03-18 14:17:23] [INFO ] Trap strengthening (SAT) tested/added 6/6 trap constraints in 3264 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.refineResultsWithTraps(DeadlockTester.java:769)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-18 14:17:23] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-18 14:17:23] [INFO ] After 25019ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 187 ms.
Support contains 270 out of 828 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Performed 175 Post agglomeration using F-continuation condition.Transition count delta: 175
Iterating post reduction 0 with 175 rules applied. Total rules applied 175 place count 828 transition count 1067
Reduce places removed 175 places and 0 transitions.
Iterating post reduction 1 with 175 rules applied. Total rules applied 350 place count 653 transition count 1067
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 30 Pre rules applied. Total rules applied 350 place count 653 transition count 1037
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 410 place count 623 transition count 1037
Applied a total of 410 rules in 43 ms. Remains 623 /828 variables (removed 205) and now considering 1037/1242 (removed 205) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 623/828 places, 1037/1242 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 303 ms. (steps per millisecond=33 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 158 ms. (steps per millisecond=63 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 178 ms. (steps per millisecond=56 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 263137 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :{}
Probabilistic random walk after 263137 steps, saw 81938 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-18 14:17:27] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
// Phase 1: matrix 917 rows 623 cols
[2023-03-18 14:17:27] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-18 14:17:28] [INFO ] [Real]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:17:28] [INFO ] After 239ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:17:28] [INFO ] [Nat]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:17:32] [INFO ] After 4076ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:17:32] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:17:36] [INFO ] After 3706ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-18 14:17:38] [INFO ] Deduced a trap composed of 22 places in 393 ms of which 1 ms to minimize.
[2023-03-18 14:17:38] [INFO ] Deduced a trap composed of 12 places in 373 ms of which 1 ms to minimize.
[2023-03-18 14:17:38] [INFO ] Deduced a trap composed of 25 places in 367 ms of which 1 ms to minimize.
[2023-03-18 14:17:39] [INFO ] Deduced a trap composed of 24 places in 386 ms of which 1 ms to minimize.
[2023-03-18 14:17:39] [INFO ] Deduced a trap composed of 29 places in 362 ms of which 1 ms to minimize.
[2023-03-18 14:17:40] [INFO ] Deduced a trap composed of 10 places in 315 ms of which 1 ms to minimize.
[2023-03-18 14:17:40] [INFO ] Deduced a trap composed of 21 places in 363 ms of which 1 ms to minimize.
[2023-03-18 14:17:40] [INFO ] Deduced a trap composed of 91 places in 203 ms of which 0 ms to minimize.
[2023-03-18 14:17:41] [INFO ] Deduced a trap composed of 72 places in 259 ms of which 0 ms to minimize.
[2023-03-18 14:17:41] [INFO ] Deduced a trap composed of 107 places in 260 ms of which 1 ms to minimize.
[2023-03-18 14:17:41] [INFO ] Deduced a trap composed of 110 places in 260 ms of which 0 ms to minimize.
[2023-03-18 14:17:42] [INFO ] Deduced a trap composed of 18 places in 338 ms of which 1 ms to minimize.
[2023-03-18 14:17:42] [INFO ] Deduced a trap composed of 10 places in 349 ms of which 1 ms to minimize.
[2023-03-18 14:17:43] [INFO ] Deduced a trap composed of 10 places in 358 ms of which 0 ms to minimize.
[2023-03-18 14:17:43] [INFO ] Deduced a trap composed of 10 places in 349 ms of which 1 ms to minimize.
[2023-03-18 14:17:44] [INFO ] Deduced a trap composed of 82 places in 279 ms of which 1 ms to minimize.
[2023-03-18 14:17:44] [INFO ] Deduced a trap composed of 25 places in 351 ms of which 1 ms to minimize.
[2023-03-18 14:17:45] [INFO ] Deduced a trap composed of 53 places in 369 ms of which 0 ms to minimize.
[2023-03-18 14:17:45] [INFO ] Deduced a trap composed of 25 places in 378 ms of which 1 ms to minimize.
[2023-03-18 14:17:46] [INFO ] Deduced a trap composed of 25 places in 368 ms of which 1 ms to minimize.
[2023-03-18 14:17:46] [INFO ] Deduced a trap composed of 98 places in 285 ms of which 1 ms to minimize.
[2023-03-18 14:17:46] [INFO ] Deduced a trap composed of 104 places in 277 ms of which 0 ms to minimize.
[2023-03-18 14:17:47] [INFO ] Deduced a trap composed of 53 places in 135 ms of which 0 ms to minimize.
[2023-03-18 14:17:47] [INFO ] Deduced a trap composed of 64 places in 291 ms of which 0 ms to minimize.
[2023-03-18 14:17:48] [INFO ] Deduced a trap composed of 13 places in 344 ms of which 0 ms to minimize.
[2023-03-18 14:17:48] [INFO ] Deduced a trap composed of 51 places in 283 ms of which 0 ms to minimize.
[2023-03-18 14:17:48] [INFO ] Deduced a trap composed of 86 places in 187 ms of which 1 ms to minimize.
[2023-03-18 14:17:49] [INFO ] Deduced a trap composed of 84 places in 121 ms of which 1 ms to minimize.
[2023-03-18 14:17:49] [INFO ] Deduced a trap composed of 110 places in 141 ms of which 0 ms to minimize.
[2023-03-18 14:17:49] [INFO ] Deduced a trap composed of 47 places in 273 ms of which 0 ms to minimize.
[2023-03-18 14:17:50] [INFO ] Deduced a trap composed of 38 places in 368 ms of which 1 ms to minimize.
[2023-03-18 14:17:50] [INFO ] Deduced a trap composed of 42 places in 312 ms of which 1 ms to minimize.
[2023-03-18 14:17:51] [INFO ] Deduced a trap composed of 64 places in 356 ms of which 0 ms to minimize.
[2023-03-18 14:17:51] [INFO ] Deduced a trap composed of 84 places in 326 ms of which 1 ms to minimize.
[2023-03-18 14:17:51] [INFO ] Deduced a trap composed of 38 places in 216 ms of which 1 ms to minimize.
[2023-03-18 14:17:52] [INFO ] Deduced a trap composed of 129 places in 195 ms of which 0 ms to minimize.
[2023-03-18 14:17:52] [INFO ] Deduced a trap composed of 67 places in 259 ms of which 1 ms to minimize.
[2023-03-18 14:17:53] [INFO ] Trap strengthening (SAT) tested/added 37/37 trap constraints in 15641 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.refineResultsWithTraps(DeadlockTester.java:769)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-18 14:17:53] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-18 14:17:53] [INFO ] After 25017ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 1 ms.
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 16 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 623/623 places, 1037/1037 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 15 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
[2023-03-18 14:17:53] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:17:53] [INFO ] Invariant cache hit.
[2023-03-18 14:17:53] [INFO ] Implicit Places using invariants in 332 ms returned []
[2023-03-18 14:17:53] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:17:53] [INFO ] Invariant cache hit.
[2023-03-18 14:17:54] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:17:55] [INFO ] Implicit Places using invariants and state equation in 1865 ms returned []
Implicit Place search using SMT with State Equation took 2200 ms to find 0 implicit places.
[2023-03-18 14:17:55] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-18 14:17:55] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:17:55] [INFO ] Invariant cache hit.
[2023-03-18 14:17:56] [INFO ] Dead Transitions using invariants and state equation in 725 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2959 ms. Remains : 623/623 places, 1037/1037 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 623 transition count 917
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 1 with 18 rules applied. Total rules applied 138 place count 611 transition count 911
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 1 with 12 rules applied. Total rules applied 150 place count 605 transition count 905
Free-agglomeration rule applied 125 times.
Iterating global reduction 1 with 125 rules applied. Total rules applied 275 place count 605 transition count 780
Reduce places removed 125 places and 0 transitions.
Iterating post reduction 1 with 125 rules applied. Total rules applied 400 place count 480 transition count 780
Applied a total of 400 rules in 53 ms. Remains 480 /623 variables (removed 143) and now considering 780/1037 (removed 257) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 780 rows 480 cols
[2023-03-18 14:17:56] [INFO ] Computed 11 place invariants in 2 ms
[2023-03-18 14:17:56] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2023-03-18 14:17:56] [INFO ] After 184ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:17:57] [INFO ] [Nat]Absence check using 11 positive place invariants in 8 ms returned sat
[2023-03-18 14:18:00] [INFO ] After 3627ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:18:04] [INFO ] After 7035ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 3339 ms.
[2023-03-18 14:18:07] [INFO ] After 10581ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Knowledge obtained : [(AND (NOT p1) p2 p0), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (OR p0 p2)))]
False Knowledge obtained : [(F (AND p1 (NOT p2))), (F (NOT p2)), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 4 factoid took 240 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 218 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 163 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 164 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Product exploration explored 100000 steps with 0 reset in 1167 ms.
Product exploration explored 100000 steps with 0 reset in 1220 ms.
Applying partial POR strategy [true, true, true, false, false]
Stuttering acceptance computed with spot in 163 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Support contains 270 out of 828 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Performed 175 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 175 rules applied. Total rules applied 175 place count 828 transition count 1242
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 6 Pre rules applied. Total rules applied 175 place count 828 transition count 1242
Deduced a syphon composed of 181 places in 0 ms
Iterating global reduction 1 with 6 rules applied. Total rules applied 181 place count 828 transition count 1242
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 205 places in 0 ms
Iterating global reduction 1 with 24 rules applied. Total rules applied 205 place count 828 transition count 1242
Deduced a syphon composed of 205 places in 1 ms
Applied a total of 205 rules in 94 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:11] [INFO ] Redundant transitions in 19 ms returned []
[2023-03-18 14:18:11] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 828 cols
[2023-03-18 14:18:11] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-18 14:18:12] [INFO ] Dead Transitions using invariants and state equation in 1328 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 828/828 places, 1242/1242 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1453 ms. Remains : 828/828 places, 1242/1242 transitions.
Support contains 270 out of 828 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Applied a total of 0 rules in 18 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:12] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 828 cols
[2023-03-18 14:18:12] [INFO ] Computed 17 place invariants in 4 ms
[2023-03-18 14:18:12] [INFO ] Implicit Places using invariants in 417 ms returned []
[2023-03-18 14:18:12] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:12] [INFO ] Invariant cache hit.
[2023-03-18 14:18:13] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:18:15] [INFO ] Implicit Places using invariants and state equation in 2507 ms returned []
Implicit Place search using SMT with State Equation took 2926 ms to find 0 implicit places.
[2023-03-18 14:18:15] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:15] [INFO ] Invariant cache hit.
[2023-03-18 14:18:16] [INFO ] Dead Transitions using invariants and state equation in 1364 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4310 ms. Remains : 828/828 places, 1242/1242 transitions.
Treatment of property Peterson-PT-5-LTLFireability-02 finished in 163165 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 36 out of 834 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions removed 356 transitions
Trivial Post-agglo rules discarded 356 transitions
Performed 356 trivial Post agglomeration. Transition count delta: 356
Iterating post reduction 0 with 356 rules applied. Total rules applied 356 place count 834 transition count 886
Reduce places removed 356 places and 0 transitions.
Iterating post reduction 1 with 356 rules applied. Total rules applied 712 place count 478 transition count 886
Performed 160 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 160 Pre rules applied. Total rules applied 712 place count 478 transition count 726
Deduced a syphon composed of 160 places in 0 ms
Reduce places removed 160 places and 0 transitions.
Iterating global reduction 2 with 320 rules applied. Total rules applied 1032 place count 318 transition count 726
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 1044 place count 312 transition count 720
Applied a total of 1044 rules in 45 ms. Remains 312 /834 variables (removed 522) and now considering 720/1242 (removed 522) transitions.
[2023-03-18 14:18:17] [INFO ] Flow matrix only has 600 transitions (discarded 120 similar events)
// Phase 1: matrix 600 rows 312 cols
[2023-03-18 14:18:17] [INFO ] Computed 23 place invariants in 3 ms
[2023-03-18 14:18:17] [INFO ] Implicit Places using invariants in 267 ms returned []
[2023-03-18 14:18:17] [INFO ] Flow matrix only has 600 transitions (discarded 120 similar events)
[2023-03-18 14:18:17] [INFO ] Invariant cache hit.
[2023-03-18 14:18:17] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:18:18] [INFO ] Implicit Places using invariants and state equation in 1088 ms returned []
Implicit Place search using SMT with State Equation took 1358 ms to find 0 implicit places.
[2023-03-18 14:18:18] [INFO ] Redundant transitions in 6 ms returned []
[2023-03-18 14:18:18] [INFO ] Flow matrix only has 600 transitions (discarded 120 similar events)
[2023-03-18 14:18:18] [INFO ] Invariant cache hit.
[2023-03-18 14:18:18] [INFO ] Dead Transitions using invariants and state equation in 499 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 312/834 places, 720/1242 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1914 ms. Remains : 312/834 places, 720/1242 transitions.
Stuttering acceptance computed with spot in 107 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (OR (EQ s204 0) (EQ s289 0)) (OR (EQ s205 0) (EQ s288 0)) (OR (EQ s208 0) (EQ s268 0)) (OR (EQ s206 0) (EQ s291 0)) (OR (EQ s212 0) (EQ s292 0)) (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 358 reset in 422 ms.
Stack based approach found an accepted trace after 87 steps with 4 reset with depth 28 and stack size 28 in 1 ms.
FORMULA Peterson-PT-5-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-5-LTLFireability-03 finished in 2468 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0 U p1)||G(F((X((!p3 U (G(!p3)||p4)))&&p2)))))'
Support contains 96 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 14 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:19] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 834 cols
[2023-03-18 14:18:19] [INFO ] Computed 23 place invariants in 5 ms
[2023-03-18 14:18:19] [INFO ] Implicit Places using invariants in 395 ms returned []
[2023-03-18 14:18:19] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:19] [INFO ] Invariant cache hit.
[2023-03-18 14:18:20] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:18:22] [INFO ] Implicit Places using invariants and state equation in 2379 ms returned []
Implicit Place search using SMT with State Equation took 2781 ms to find 0 implicit places.
[2023-03-18 14:18:22] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:22] [INFO ] Invariant cache hit.
[2023-03-18 14:18:23] [INFO ] Dead Transitions using invariants and state equation in 1495 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4292 ms. Remains : 834/834 places, 1242/1242 transitions.
Stuttering acceptance computed with spot in 324 ms :[(OR (AND (NOT p1) p3 (NOT p4)) (AND (NOT p1) (NOT p2))), (OR (NOT p2) (AND p3 (NOT p4))), (OR (NOT p2) (AND p3 (NOT p4))), (OR (AND (NOT p1) p3 (NOT p4)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) p3 (NOT p4)), (AND p3 (NOT p4))]
Running random walk in product with property : Peterson-PT-5-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=0 dest: 3}, { cond=(AND (NOT p1) (NOT p0) p2), acceptance={} source=0 dest: 4}, { cond=(AND (NOT p1) p0 p2), acceptance={} source=0 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=1 dest: 1}, { cond=p2, acceptance={0} source=1 dest: 5}], [{ cond=(NOT p2), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}, { cond=p2, acceptance={} source=2 dest: 5}], [{ cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p1) (NOT p0) p2), acceptance={0} source=3 dest: 4}, { cond=(AND (NOT p1) p0 p2), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p1) p0 (NOT p2) (NOT p4) p3), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) (NOT p0) (NOT p2) (NOT p4) p3), acceptance={0} source=4 dest: 3}, { cond=(AND (NOT p1) (NOT p0) (NOT p4) (NOT p3)), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) (NOT p0) p2 (NOT p4) p3), acceptance={0} source=4 dest: 4}, { cond=(OR (AND (NOT p1) p0 p2 (NOT p4)) (AND (NOT p1) p0 (NOT p4) (NOT p3))), acceptance={} source=4 dest: 5}], [{ cond=(AND (NOT p2) (NOT p4) p3), acceptance={0} source=5 dest: 1}, { cond=(AND (NOT p4) (NOT p3)), acceptance={} source=5 dest: 5}, { cond=(AND p2 (NOT p4) p3), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(AND (OR (AND (EQ s389 1) (EQ s806 1)) (AND (EQ s390 1) (EQ s805 1)) (AND (EQ s395 1) (EQ s785 1)) (AND (EQ s391 1) (EQ s808 1)) (AND (EQ s401 1) (EQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 19164 reset in 3332 ms.
Stack based approach found an accepted trace after 62138 steps with 11954 reset with depth 12 and stack size 12 in 2100 ms.
FORMULA Peterson-PT-5-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-5-LTLFireability-04 finished in 10086 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 150 out of 834 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions removed 85 transitions
Trivial Post-agglo rules discarded 85 transitions
Performed 85 trivial Post agglomeration. Transition count delta: 85
Iterating post reduction 0 with 85 rules applied. Total rules applied 85 place count 834 transition count 1157
Reduce places removed 85 places and 0 transitions.
Iterating post reduction 1 with 85 rules applied. Total rules applied 170 place count 749 transition count 1157
Performed 155 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 155 Pre rules applied. Total rules applied 170 place count 749 transition count 1002
Deduced a syphon composed of 155 places in 0 ms
Reduce places removed 155 places and 0 transitions.
Iterating global reduction 2 with 310 rules applied. Total rules applied 480 place count 594 transition count 1002
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 540 place count 564 transition count 972
Applied a total of 540 rules in 53 ms. Remains 564 /834 variables (removed 270) and now considering 972/1242 (removed 270) transitions.
[2023-03-18 14:18:29] [INFO ] Flow matrix only has 852 transitions (discarded 120 similar events)
// Phase 1: matrix 852 rows 564 cols
[2023-03-18 14:18:29] [INFO ] Computed 23 place invariants in 3 ms
[2023-03-18 14:18:30] [INFO ] Implicit Places using invariants in 500 ms returned [528, 540, 541, 542, 543, 544]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 501 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 558/834 places, 972/1242 transitions.
Applied a total of 0 rules in 14 ms. Remains 558 /558 variables (removed 0) and now considering 972/972 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 571 ms. Remains : 558/834 places, 972/1242 transitions.
Stuttering acceptance computed with spot in 95 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-05 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 (NEQ s430 1) (NEQ s481 1) (NEQ s373 1) (NEQ s433 1) (NEQ s377 1) (NEQ s423 1) (NEQ s367 1) (NEQ s473 1) (NEQ s426 1) (NEQ s477 1) (NEQ s371 1) (NE...], 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 3795 reset in 805 ms.
Stack based approach found an accepted trace after 89 steps with 2 reset with depth 22 and stack size 22 in 2 ms.
FORMULA Peterson-PT-5-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-5-LTLFireability-05 finished in 1490 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G((X(p2)||p1))))'
Support contains 216 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 10 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:31] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 834 cols
[2023-03-18 14:18:31] [INFO ] Computed 23 place invariants in 5 ms
[2023-03-18 14:18:31] [INFO ] Implicit Places using invariants in 475 ms returned [785, 805, 806, 807, 808, 809]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 480 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 10 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 502 ms. Remains : 828/834 places, 1242/1242 transitions.
Stuttering acceptance computed with spot in 177 ms :[(AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), true]
Running random walk in product with property : Peterson-PT-5-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 3}], [{ cond=(NOT p2), acceptance={} source=1 dest: 4}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}], [{ cond=(AND p0 (NOT p2)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(AND (OR (AND (EQ s786 1) (EQ s797 1)) (AND (EQ s793 1) (EQ s821 1)) (AND (EQ s768 1) (EQ s799 1)) (AND (EQ s788 1) (EQ s812 1)) (AND (EQ s783 1) (EQ s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 78 steps with 21 reset in 2 ms.
FORMULA Peterson-PT-5-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-PT-5-LTLFireability-07 finished in 708 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||(p1&&X((X(F(!p2))||G(p1)))))))'
Support contains 4 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 15 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:31] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:31] [INFO ] Invariant cache hit.
[2023-03-18 14:18:32] [INFO ] Implicit Places using invariants in 532 ms returned [785, 805, 806, 807, 808, 809]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 536 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 15 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 566 ms. Remains : 828/834 places, 1242/1242 transitions.
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) p2), (AND (NOT p0) (NOT p1) p2), (AND (NOT p0) (NOT p1) p2)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) p1 p2), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p0) p1 p2), acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(AND (EQ s614 1) (EQ s369 1)), p1:(NEQ s369 1), p2:(AND (EQ s403 1) (EQ s824 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 706 ms.
Product exploration explored 100000 steps with 33333 reset in 764 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) p1 (NOT p2)), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND (NOT p0) p1 (NOT p2))
Knowledge based reduction with 7 factoid took 221 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Peterson-PT-5-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-PT-5-LTLFireability-08 finished in 2444 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)))'
Support contains 2 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 15 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:34] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:34] [INFO ] Invariant cache hit.
[2023-03-18 14:18:34] [INFO ] Implicit Places using invariants in 511 ms returned [785, 805, 806, 807, 808, 809]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 513 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 15 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 544 ms. Remains : 828/834 places, 1242/1242 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (NEQ s402 1) (NEQ s510 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 902 ms.
Product exploration explored 100000 steps with 50000 reset in 911 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 60 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Peterson-PT-5-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-PT-5-LTLFireability-09 finished in 2532 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 3 out of 834 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions removed 359 transitions
Trivial Post-agglo rules discarded 359 transitions
Performed 359 trivial Post agglomeration. Transition count delta: 359
Iterating post reduction 0 with 359 rules applied. Total rules applied 359 place count 834 transition count 883
Reduce places removed 359 places and 0 transitions.
Iterating post reduction 1 with 359 rules applied. Total rules applied 718 place count 475 transition count 883
Performed 180 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 180 Pre rules applied. Total rules applied 718 place count 475 transition count 703
Deduced a syphon composed of 180 places in 0 ms
Reduce places removed 180 places and 0 transitions.
Iterating global reduction 2 with 360 rules applied. Total rules applied 1078 place count 295 transition count 703
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 1136 place count 266 transition count 674
Applied a total of 1136 rules in 36 ms. Remains 266 /834 variables (removed 568) and now considering 674/1242 (removed 568) transitions.
[2023-03-18 14:18:36] [INFO ] Flow matrix only has 554 transitions (discarded 120 similar events)
// Phase 1: matrix 554 rows 266 cols
[2023-03-18 14:18:36] [INFO ] Computed 23 place invariants in 2 ms
[2023-03-18 14:18:37] [INFO ] Implicit Places using invariants in 385 ms returned [230, 242, 243, 244, 245, 246]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 387 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 260/834 places, 674/1242 transitions.
Applied a total of 0 rules in 21 ms. Remains 260 /260 variables (removed 0) and now considering 674/674 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 446 ms. Remains : 260/834 places, 674/1242 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-10 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:(OR (EQ s120 1) (AND (EQ s185 1) (EQ s214 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 214 ms.
Stack based approach found an accepted trace after 21 steps with 0 reset with depth 22 and stack size 22 in 0 ms.
FORMULA Peterson-PT-5-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-5-LTLFireability-10 finished in 747 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(G(p0)) U p1))'
Support contains 3 out of 834 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions removed 356 transitions
Trivial Post-agglo rules discarded 356 transitions
Performed 356 trivial Post agglomeration. Transition count delta: 356
Iterating post reduction 0 with 356 rules applied. Total rules applied 356 place count 834 transition count 886
Reduce places removed 356 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 357 rules applied. Total rules applied 713 place count 478 transition count 885
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 714 place count 477 transition count 885
Performed 181 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 181 Pre rules applied. Total rules applied 714 place count 477 transition count 704
Deduced a syphon composed of 181 places in 0 ms
Reduce places removed 181 places and 0 transitions.
Iterating global reduction 3 with 362 rules applied. Total rules applied 1076 place count 296 transition count 704
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 3 with 58 rules applied. Total rules applied 1134 place count 267 transition count 675
Applied a total of 1134 rules in 38 ms. Remains 267 /834 variables (removed 567) and now considering 675/1242 (removed 567) transitions.
[2023-03-18 14:18:37] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
// Phase 1: matrix 555 rows 267 cols
[2023-03-18 14:18:37] [INFO ] Computed 23 place invariants in 1 ms
[2023-03-18 14:18:37] [INFO ] Implicit Places using invariants in 379 ms returned [231, 243, 244, 245, 246, 247]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 381 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 261/834 places, 675/1242 transitions.
Applied a total of 0 rules in 8 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 430 ms. Remains : 261/834 places, 675/1242 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (EQ s187 1) (EQ s193 1)), p0:(EQ s227 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 207 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA Peterson-PT-5-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-5-LTLFireability-11 finished in 727 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&&F((p1&&G(p2))))))'
Support contains 5 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 15 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:38] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 834 cols
[2023-03-18 14:18:38] [INFO ] Computed 23 place invariants in 4 ms
[2023-03-18 14:18:38] [INFO ] Implicit Places using invariants in 529 ms returned [785, 805, 806, 807, 808]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 531 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 829/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 15 ms. Remains 829 /829 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 563 ms. Remains : 829/834 places, 1242/1242 transitions.
Stuttering acceptance computed with spot in 177 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), true, (OR (NOT p2) (NOT p1)), (NOT p2)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(OR (AND p0 (NOT p1)) (AND p0 (NOT p2))), acceptance={} source=1 dest: 3}, { cond=(AND p0 p1 p2), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(OR (NOT p1) (NOT p2)), acceptance={0} source=3 dest: 3}, { cond=(AND p1 p2), acceptance={} source=3 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=4 dest: 3}, { cond=p2, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(EQ s665 0), p1:(OR (EQ s401 0) (EQ s804 0)), p2:(AND (EQ s772 1) (EQ s816 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]]
Product exploration explored 100000 steps with 0 reset in 273 ms.
Stack based approach found an accepted trace after 1088 steps with 0 reset with depth 1089 and stack size 1089 in 5 ms.
FORMULA Peterson-PT-5-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-5-LTLFireability-12 finished in 1039 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((F(p0)||X(G(p1)))))))'
Support contains 3 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 15 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:39] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:39] [INFO ] Invariant cache hit.
[2023-03-18 14:18:39] [INFO ] Implicit Places using invariants in 542 ms returned [785, 806, 807, 808, 809]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 544 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 829/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 14 ms. Remains 829 /829 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 576 ms. Remains : 829/834 places, 1242/1242 transitions.
Stuttering acceptance computed with spot in 211 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Peterson-PT-5-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(AND (EQ s390 1) (EQ s804 1)), p1:(EQ s41 0)], 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, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 483 reset in 255 ms.
Stack based approach found an accepted trace after 43257 steps with 214 reset with depth 543 and stack size 541 in 114 ms.
FORMULA Peterson-PT-5-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-5-LTLFireability-13 finished in 1175 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((X(G(p0))||G(p1)||(p1&&F(!p2))))))'
Support contains 5 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 19 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:40] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:40] [INFO ] Invariant cache hit.
[2023-03-18 14:18:41] [INFO ] Implicit Places using invariants in 506 ms returned [785, 805, 806, 807, 808, 809]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 507 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 14 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 540 ms. Remains : 828/834 places, 1242/1242 transitions.
Stuttering acceptance computed with spot in 243 ms :[true, (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (NOT p0) p2), (NOT p0)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND p1 p2 p0), acceptance={} source=1 dest: 1}, { cond=(AND p1 p2 (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p1) p2 (NOT p0)), acceptance={} source=1 dest: 5}, { cond=(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p0)), acceptance={} source=1 dest: 6}], [{ cond=(AND p1 p2), acceptance={} source=2 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 4}, { cond=(AND (NOT p1) p2), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 6}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=(AND p1 p2), acceptance={} source=4 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 4}, { cond=(NOT p1), acceptance={} source=4 dest: 6}], [{ cond=(NOT p0), acceptance={0} source=5 dest: 0}, { cond=(AND p2 p0), acceptance={0} source=5 dest: 5}, { cond=(AND (NOT p2) p0), acceptance={0} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={} source=6 dest: 0}, { cond=p0, acceptance={} source=6 dest: 6}]], initial=3, aps=[p1:(NEQ s213 1), p2:(AND (EQ s532 1) (EQ s797 1)), p0:(OR (EQ s390 0) (EQ s553 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 224 ms.
Product exploration explored 100000 steps with 0 reset in 280 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT (AND p1 p2))), (X (AND p1 (NOT p2))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X p1)), (X (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p0))))), (X (X (NOT (AND p1 p2 (NOT p0)))))]
False Knowledge obtained : [(X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND p1 p2 p0))), (X (X (NOT (AND p1 p2 p0)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2)))))]
Knowledge based reduction with 9 factoid took 687 ms. Reduced automaton from 7 states, 19 edges and 3 AP (stutter sensitive) to 7 states, 19 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 230 ms :[true, (OR (NOT p0) p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) p2)), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 12) seen :8
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-18 14:18:42] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 828 cols
[2023-03-18 14:18:42] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-18 14:18:43] [INFO ] [Real]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:18:43] [INFO ] After 556ms SMT Verify possible using state equation in real domain returned unsat :2 sat :1 real:1
[2023-03-18 14:18:43] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:18:43] [INFO ] After 104ms SMT Verify possible using 205 Read/Feed constraints in real domain returned unsat :2 sat :0 real:2
[2023-03-18 14:18:43] [INFO ] After 944ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:2
[2023-03-18 14:18:44] [INFO ] [Nat]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:18:44] [INFO ] After 602ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :2
[2023-03-18 14:18:44] [INFO ] After 165ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :2 sat :2
[2023-03-18 14:18:45] [INFO ] Deduced a trap composed of 63 places in 478 ms of which 1 ms to minimize.
[2023-03-18 14:18:46] [INFO ] Deduced a trap composed of 63 places in 495 ms of which 2 ms to minimize.
[2023-03-18 14:18:46] [INFO ] Deduced a trap composed of 89 places in 547 ms of which 1 ms to minimize.
[2023-03-18 14:18:47] [INFO ] Deduced a trap composed of 37 places in 376 ms of which 1 ms to minimize.
[2023-03-18 14:18:47] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2184 ms
[2023-03-18 14:18:47] [INFO ] After 2503ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :2
Attempting to minimize the solution found.
Minimization took 119 ms.
[2023-03-18 14:18:47] [INFO ] After 3467ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :2
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 55 ms.
Support contains 5 out of 828 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Drop transitions removed 358 transitions
Trivial Post-agglo rules discarded 358 transitions
Performed 358 trivial Post agglomeration. Transition count delta: 358
Iterating post reduction 0 with 358 rules applied. Total rules applied 358 place count 828 transition count 884
Reduce places removed 358 places and 0 transitions.
Iterating post reduction 1 with 358 rules applied. Total rules applied 716 place count 470 transition count 884
Performed 180 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 180 Pre rules applied. Total rules applied 716 place count 470 transition count 704
Deduced a syphon composed of 180 places in 0 ms
Reduce places removed 180 places and 0 transitions.
Iterating global reduction 2 with 360 rules applied. Total rules applied 1076 place count 290 transition count 704
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 1134 place count 261 transition count 675
Applied a total of 1134 rules in 34 ms. Remains 261 /828 variables (removed 567) and now considering 675/1242 (removed 567) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 261/828 places, 675/1242 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 103 ms. (steps per millisecond=97 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 705691 steps, run timeout after 3001 ms. (steps per millisecond=235 ) properties seen :{}
Probabilistic random walk after 705691 steps, saw 102902 distinct states, run finished after 3001 ms. (steps per millisecond=235 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-18 14:18:50] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
// Phase 1: matrix 555 rows 261 cols
[2023-03-18 14:18:50] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-18 14:18:50] [INFO ] [Real]Absence check using 17 positive place invariants in 7 ms returned sat
[2023-03-18 14:18:50] [INFO ] After 204ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:1
[2023-03-18 14:18:50] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:18:51] [INFO ] After 59ms SMT Verify possible using 205 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-18 14:18:51] [INFO ] After 371ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-18 14:18:51] [INFO ] [Nat]Absence check using 17 positive place invariants in 8 ms returned sat
[2023-03-18 14:18:51] [INFO ] After 204ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-18 14:18:51] [INFO ] After 78ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-18 14:18:51] [INFO ] Deduced a trap composed of 16 places in 99 ms of which 1 ms to minimize.
[2023-03-18 14:18:51] [INFO ] Deduced a trap composed of 16 places in 102 ms of which 0 ms to minimize.
[2023-03-18 14:18:51] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 1 ms to minimize.
[2023-03-18 14:18:51] [INFO ] Deduced a trap composed of 23 places in 108 ms of which 1 ms to minimize.
[2023-03-18 14:18:52] [INFO ] Deduced a trap composed of 23 places in 114 ms of which 0 ms to minimize.
[2023-03-18 14:18:52] [INFO ] Deduced a trap composed of 30 places in 100 ms of which 0 ms to minimize.
[2023-03-18 14:18:52] [INFO ] Deduced a trap composed of 30 places in 102 ms of which 1 ms to minimize.
[2023-03-18 14:18:52] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 892 ms
[2023-03-18 14:18:52] [INFO ] After 1026ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 46 ms.
[2023-03-18 14:18:52] [INFO ] After 1374ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 261 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 261/261 places, 675/675 transitions.
Applied a total of 0 rules in 7 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 261/261 places, 675/675 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 261/261 places, 675/675 transitions.
Applied a total of 0 rules in 8 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
[2023-03-18 14:18:52] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:18:52] [INFO ] Invariant cache hit.
[2023-03-18 14:18:52] [INFO ] Implicit Places using invariants in 358 ms returned []
[2023-03-18 14:18:52] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:18:52] [INFO ] Invariant cache hit.
[2023-03-18 14:18:53] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:18:53] [INFO ] Implicit Places using invariants and state equation in 1024 ms returned []
Implicit Place search using SMT with State Equation took 1389 ms to find 0 implicit places.
[2023-03-18 14:18:53] [INFO ] Redundant transitions in 6 ms returned []
[2023-03-18 14:18:53] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:18:53] [INFO ] Invariant cache hit.
[2023-03-18 14:18:54] [INFO ] Dead Transitions using invariants and state equation in 586 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1996 ms. Remains : 261/261 places, 675/675 transitions.
Graph (trivial) has 491 edges and 261 vertex of which 172 / 261 are part of one of the 29 SCC in 1 ms
Free SCC test removed 143 places
Drop transitions removed 286 transitions
Ensure Unique test removed 147 transitions
Reduce isomorphic transitions removed 433 transitions.
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 27 Pre rules applied. Total rules applied 1 place count 118 transition count 215
Deduced a syphon composed of 27 places in 0 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 0 with 54 rules applied. Total rules applied 55 place count 91 transition count 215
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 0 with 2 rules applied. Total rules applied 57 place count 90 transition count 214
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 58 place count 90 transition count 213
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 17 rules applied. Total rules applied 75 place count 79 transition count 213
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 41 edges and 79 vertex of which 24 / 79 are part of one of the 4 SCC in 0 ms
Free SCC test removed 20 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 78 place count 59 transition count 211
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Graph (trivial) has 88 edges and 55 vertex of which 15 / 55 are part of one of the 5 SCC in 0 ms
Free SCC test removed 10 places
Iterating post reduction 2 with 29 rules applied. Total rules applied 107 place count 45 transition count 187
Drop transitions removed 30 transitions
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 92 transitions.
Iterating post reduction 3 with 92 rules applied. Total rules applied 199 place count 45 transition count 95
Drop transitions removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 209 place count 45 transition count 85
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 4 with 3 rules applied. Total rules applied 212 place count 45 transition count 82
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 4 rules applied. Total rules applied 216 place count 42 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 217 place count 41 transition count 81
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 217 place count 41 transition count 80
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 219 place count 40 transition count 80
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 220 place count 40 transition count 79
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 221 place count 39 transition count 79
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 225 place count 39 transition count 91
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 4 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 8 with 32 rules applied. Total rules applied 257 place count 35 transition count 63
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 9 with 8 rules applied. Total rules applied 265 place count 35 transition count 55
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 267 place count 35 transition count 55
Applied a total of 267 rules in 24 ms. Remains 35 /261 variables (removed 226) and now considering 55/675 (removed 620) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 55 rows 35 cols
[2023-03-18 14:18:54] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-18 14:18:54] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-18 14:18:54] [INFO ] After 23ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:1
[2023-03-18 14:18:54] [INFO ] After 28ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1 real:1
Attempting to minimize the solution found.
Minimization took 3 ms.
[2023-03-18 14:18:54] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1 real:1
[2023-03-18 14:18:54] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-18 14:18:54] [INFO ] After 25ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-18 14:18:54] [INFO ] After 36ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 9 ms.
[2023-03-18 14:18:54] [INFO ] After 77ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT (AND p1 p2))), (X (AND p1 (NOT p2))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X p1)), (X (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p0))))), (X (X (NOT (AND p1 p2 (NOT p0))))), (G (NOT (AND (NOT p1) p2))), (G (NOT (AND (NOT p0) (NOT p1) p2)))]
False Knowledge obtained : [(X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND p1 p2 p0))), (X (X (NOT (AND p1 p2 p0)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (F (AND p1 p2)), (F (NOT (AND p1 (NOT p2)))), (F (AND (NOT p1) (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (AND p0 p2)), (F (NOT p1)), (F (OR (AND p0 (NOT p1)) (AND (NOT p1) (NOT p2)))), (F (AND p0 p1 p2))]
Knowledge based reduction with 11 factoid took 728 ms. Reduced automaton from 7 states, 19 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 111 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 828 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Applied a total of 0 rules in 21 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:18:55] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 828 cols
[2023-03-18 14:18:55] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-18 14:18:55] [INFO ] Implicit Places using invariants in 424 ms returned []
[2023-03-18 14:18:55] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:55] [INFO ] Invariant cache hit.
[2023-03-18 14:18:56] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:18:58] [INFO ] Implicit Places using invariants and state equation in 3022 ms returned []
Implicit Place search using SMT with State Equation took 3448 ms to find 0 implicit places.
[2023-03-18 14:18:58] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:18:58] [INFO ] Invariant cache hit.
[2023-03-18 14:19:00] [INFO ] Dead Transitions using invariants and state equation in 1331 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4805 ms. Remains : 828/828 places, 1242/1242 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 p0 p1), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 150 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:19:00] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:19:00] [INFO ] Invariant cache hit.
[2023-03-18 14:19:00] [INFO ] [Real]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:19:01] [INFO ] After 491ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-18 14:19:01] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:19:01] [INFO ] After 115ms SMT Verify possible using 205 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:19:01] [INFO ] After 835ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:19:01] [INFO ] [Nat]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:19:02] [INFO ] After 497ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 14:19:02] [INFO ] After 117ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 14:19:02] [INFO ] Deduced a trap composed of 63 places in 456 ms of which 1 ms to minimize.
[2023-03-18 14:19:03] [INFO ] Deduced a trap composed of 11 places in 418 ms of which 5 ms to minimize.
[2023-03-18 14:19:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1034 ms
[2023-03-18 14:19:03] [INFO ] After 1191ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 141 ms.
[2023-03-18 14:19:03] [INFO ] After 2065ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 828 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Drop transitions removed 359 transitions
Trivial Post-agglo rules discarded 359 transitions
Performed 359 trivial Post agglomeration. Transition count delta: 359
Iterating post reduction 0 with 359 rules applied. Total rules applied 359 place count 828 transition count 883
Reduce places removed 359 places and 0 transitions.
Iterating post reduction 1 with 359 rules applied. Total rules applied 718 place count 469 transition count 883
Performed 180 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 180 Pre rules applied. Total rules applied 718 place count 469 transition count 703
Deduced a syphon composed of 180 places in 0 ms
Reduce places removed 180 places and 0 transitions.
Iterating global reduction 2 with 360 rules applied. Total rules applied 1078 place count 289 transition count 703
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 1138 place count 259 transition count 673
Applied a total of 1138 rules in 28 ms. Remains 259 /828 variables (removed 569) and now considering 673/1242 (removed 569) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 259/828 places, 673/1242 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 991172 steps, run timeout after 3001 ms. (steps per millisecond=330 ) properties seen :{}
Probabilistic random walk after 991172 steps, saw 143862 distinct states, run finished after 3001 ms. (steps per millisecond=330 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:19:06] [INFO ] Flow matrix only has 553 transitions (discarded 120 similar events)
// Phase 1: matrix 553 rows 259 cols
[2023-03-18 14:19:06] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:19:06] [INFO ] [Real]Absence check using 17 positive place invariants in 7 ms returned sat
[2023-03-18 14:19:06] [INFO ] After 176ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-18 14:19:06] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:19:06] [INFO ] After 46ms SMT Verify possible using 205 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:19:06] [INFO ] After 306ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:19:06] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2023-03-18 14:19:07] [INFO ] After 180ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 14:19:07] [INFO ] After 49ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 14:19:07] [INFO ] Deduced a trap composed of 16 places in 103 ms of which 1 ms to minimize.
[2023-03-18 14:19:07] [INFO ] Deduced a trap composed of 9 places in 102 ms of which 1 ms to minimize.
[2023-03-18 14:19:07] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 263 ms
[2023-03-18 14:19:07] [INFO ] After 329ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 20 ms.
[2023-03-18 14:19:07] [INFO ] After 609ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 259 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 259/259 places, 673/673 transitions.
Applied a total of 0 rules in 10 ms. Remains 259 /259 variables (removed 0) and now considering 673/673 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 259/259 places, 673/673 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 259/259 places, 673/673 transitions.
Applied a total of 0 rules in 8 ms. Remains 259 /259 variables (removed 0) and now considering 673/673 (removed 0) transitions.
[2023-03-18 14:19:07] [INFO ] Flow matrix only has 553 transitions (discarded 120 similar events)
[2023-03-18 14:19:07] [INFO ] Invariant cache hit.
[2023-03-18 14:19:07] [INFO ] Implicit Places using invariants in 332 ms returned []
[2023-03-18 14:19:07] [INFO ] Flow matrix only has 553 transitions (discarded 120 similar events)
[2023-03-18 14:19:07] [INFO ] Invariant cache hit.
[2023-03-18 14:19:08] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:19:08] [INFO ] Implicit Places using invariants and state equation in 973 ms returned []
Implicit Place search using SMT with State Equation took 1305 ms to find 0 implicit places.
[2023-03-18 14:19:08] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-18 14:19:08] [INFO ] Flow matrix only has 553 transitions (discarded 120 similar events)
[2023-03-18 14:19:08] [INFO ] Invariant cache hit.
[2023-03-18 14:19:09] [INFO ] Dead Transitions using invariants and state equation in 538 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1865 ms. Remains : 259/259 places, 673/673 transitions.
Graph (trivial) has 508 edges and 259 vertex of which 178 / 259 are part of one of the 30 SCC in 0 ms
Free SCC test removed 148 places
Drop transitions removed 296 transitions
Ensure Unique test removed 149 transitions
Reduce isomorphic transitions removed 445 transitions.
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 29 Pre rules applied. Total rules applied 1 place count 111 transition count 199
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 0 with 58 rules applied. Total rules applied 59 place count 82 transition count 199
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 0 with 2 rules applied. Total rules applied 61 place count 81 transition count 198
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 62 place count 81 transition count 197
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 17 rules applied. Total rules applied 79 place count 70 transition count 197
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 36 edges and 70 vertex of which 30 / 70 are part of one of the 5 SCC in 0 ms
Free SCC test removed 25 places
Iterating post reduction 1 with 2 rules applied. Total rules applied 81 place count 45 transition count 196
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Graph (trivial) has 106 edges and 41 vertex of which 20 / 41 are part of one of the 5 SCC in 0 ms
Free SCC test removed 15 places
Iterating post reduction 2 with 35 rules applied. Total rules applied 116 place count 26 transition count 166
Drop transitions removed 60 transitions
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 123 transitions.
Iterating post reduction 3 with 123 rules applied. Total rules applied 239 place count 26 transition count 43
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 242 place count 26 transition count 40
Free-agglomeration rule applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 243 place count 26 transition count 39
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 244 place count 25 transition count 39
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 5 with 5 rules applied. Total rules applied 249 place count 25 transition count 39
Reduce places removed 5 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 5 with 20 rules applied. Total rules applied 269 place count 20 transition count 24
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 274 place count 20 transition count 19
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 275 place count 20 transition count 19
Applied a total of 275 rules in 14 ms. Remains 20 /259 variables (removed 239) and now considering 19/673 (removed 654) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 19 rows 20 cols
[2023-03-18 14:19:09] [INFO ] Computed 8 place invariants in 0 ms
[2023-03-18 14:19:09] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-18 14:19:09] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-18 14:19:09] [INFO ] After 20ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-18 14:19:09] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:19:09] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-18 14:19:09] [INFO ] After 14ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 14:19:09] [INFO ] After 20ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-18 14:19:09] [INFO ] After 57ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p0 p1), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 4 factoid took 234 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 111 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 111 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 0 reset in 215 ms.
Product exploration explored 100000 steps with 0 reset in 334 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 118 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 828 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Performed 209 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 209 rules applied. Total rules applied 209 place count 828 transition count 1242
Performed 156 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 156 Pre rules applied. Total rules applied 209 place count 828 transition count 1341
Deduced a syphon composed of 365 places in 1 ms
Iterating global reduction 1 with 156 rules applied. Total rules applied 365 place count 828 transition count 1341
Discarding 106 places :
Symmetric choice reduction at 1 with 106 rule applications. Total rules 471 place count 722 transition count 1235
Deduced a syphon composed of 259 places in 0 ms
Iterating global reduction 1 with 106 rules applied. Total rules applied 577 place count 722 transition count 1235
Performed 202 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 461 places in 0 ms
Iterating global reduction 1 with 202 rules applied. Total rules applied 779 place count 722 transition count 1235
Discarding 177 places :
Symmetric choice reduction at 1 with 177 rule applications. Total rules 956 place count 545 transition count 1058
Deduced a syphon composed of 284 places in 1 ms
Iterating global reduction 1 with 177 rules applied. Total rules applied 1133 place count 545 transition count 1058
Deduced a syphon composed of 284 places in 1 ms
Applied a total of 1133 rules in 146 ms. Remains 545 /828 variables (removed 283) and now considering 1058/1242 (removed 184) transitions.
[2023-03-18 14:19:11] [INFO ] Redundant transitions in 15 ms returned []
[2023-03-18 14:19:11] [INFO ] Flow matrix only has 938 transitions (discarded 120 similar events)
// Phase 1: matrix 938 rows 545 cols
[2023-03-18 14:19:11] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-18 14:19:11] [INFO ] Dead Transitions using invariants and state equation in 632 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 545/828 places, 1058/1242 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 805 ms. Remains : 545/828 places, 1058/1242 transitions.
Support contains 3 out of 828 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Applied a total of 0 rules in 16 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-18 14:19:11] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
// Phase 1: matrix 1122 rows 828 cols
[2023-03-18 14:19:11] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-18 14:19:12] [INFO ] Implicit Places using invariants in 485 ms returned []
[2023-03-18 14:19:12] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:19:12] [INFO ] Invariant cache hit.
[2023-03-18 14:19:12] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:19:15] [INFO ] Implicit Places using invariants and state equation in 3204 ms returned []
Implicit Place search using SMT with State Equation took 3694 ms to find 0 implicit places.
[2023-03-18 14:19:15] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2023-03-18 14:19:15] [INFO ] Invariant cache hit.
[2023-03-18 14:19:16] [INFO ] Dead Transitions using invariants and state equation in 1300 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5013 ms. Remains : 828/828 places, 1242/1242 transitions.
Treatment of property Peterson-PT-5-LTLFireability-14 finished in 36363 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 834 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions removed 360 transitions
Trivial Post-agglo rules discarded 360 transitions
Performed 360 trivial Post agglomeration. Transition count delta: 360
Iterating post reduction 0 with 360 rules applied. Total rules applied 360 place count 834 transition count 882
Reduce places removed 360 places and 0 transitions.
Iterating post reduction 1 with 360 rules applied. Total rules applied 720 place count 474 transition count 882
Performed 179 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 179 Pre rules applied. Total rules applied 720 place count 474 transition count 703
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 1078 place count 295 transition count 703
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 1136 place count 266 transition count 674
Applied a total of 1136 rules in 29 ms. Remains 266 /834 variables (removed 568) and now considering 674/1242 (removed 568) transitions.
[2023-03-18 14:19:16] [INFO ] Flow matrix only has 554 transitions (discarded 120 similar events)
// Phase 1: matrix 554 rows 266 cols
[2023-03-18 14:19:16] [INFO ] Computed 23 place invariants in 7 ms
[2023-03-18 14:19:17] [INFO ] Implicit Places using invariants in 390 ms returned [229, 241, 242, 243, 244, 245]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 395 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 260/834 places, 674/1242 transitions.
Applied a total of 0 rules in 8 ms. Remains 260 /260 variables (removed 0) and now considering 674/674 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 433 ms. Remains : 260/834 places, 674/1242 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : Peterson-PT-5-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s158 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 305 reset in 205 ms.
Stack based approach found an accepted trace after 25 steps with 0 reset with depth 26 and stack size 26 in 0 ms.
FORMULA Peterson-PT-5-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-PT-5-LTLFireability-15 finished in 691 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 (p2||G(!p1))))))))'
Found a Lengthening insensitive property : Peterson-PT-5-LTLFireability-02
Stuttering acceptance computed with spot in 159 ms :[true, (AND p1 (NOT p2)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1 (NOT p0)), (AND (NOT p2) p1 (NOT p0))]
Support contains 270 out of 834 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Performed 175 Post agglomeration using F-continuation condition.Transition count delta: 175
Iterating post reduction 0 with 175 rules applied. Total rules applied 175 place count 834 transition count 1067
Reduce places removed 175 places and 0 transitions.
Iterating post reduction 1 with 175 rules applied. Total rules applied 350 place count 659 transition count 1067
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 30 Pre rules applied. Total rules applied 350 place count 659 transition count 1037
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 410 place count 629 transition count 1037
Applied a total of 410 rules in 31 ms. Remains 629 /834 variables (removed 205) and now considering 1037/1242 (removed 205) transitions.
[2023-03-18 14:19:17] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
// Phase 1: matrix 917 rows 629 cols
[2023-03-18 14:19:17] [INFO ] Computed 23 place invariants in 5 ms
[2023-03-18 14:19:18] [INFO ] Implicit Places using invariants in 396 ms returned [593, 605, 606, 607, 608, 609]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 398 ms to find 6 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 623/834 places, 1037/1242 transitions.
Applied a total of 0 rules in 10 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 439 ms. Remains : 623/834 places, 1037/1242 transitions.
Running random walk in product with property : Peterson-PT-5-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 1}, { cond=p2, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(OR p0 p2), acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}]], initial=4, aps=[p2:(AND (NOT (OR (AND (EQ s575 1) (EQ s605 1)) (AND (EQ s534 1) (EQ s610 1)) (AND (EQ s574 1) (EQ s599 1)) (AND (EQ s579 1) (EQ s603 1)) (AND (EQ s522 1) ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 512 ms.
Product exploration explored 100000 steps with 0 reset in 586 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 p2 (NOT p1) p0), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (OR p0 p2)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 202 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 183 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 337 ms. (steps per millisecond=29 ) properties (out of 6) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 170 ms. (steps per millisecond=58 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 208 ms. (steps per millisecond=48 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 123 ms. (steps per millisecond=81 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-18 14:19:20] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
// Phase 1: matrix 917 rows 623 cols
[2023-03-18 14:19:20] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-18 14:19:21] [INFO ] [Real]Absence check using 17 positive place invariants in 11 ms returned sat
[2023-03-18 14:19:21] [INFO ] After 237ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:19:21] [INFO ] [Nat]Absence check using 17 positive place invariants in 11 ms returned sat
[2023-03-18 14:19:25] [INFO ] After 4058ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:19:25] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:19:29] [INFO ] After 3691ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-18 14:19:31] [INFO ] Deduced a trap composed of 22 places in 389 ms of which 1 ms to minimize.
[2023-03-18 14:19:31] [INFO ] Deduced a trap composed of 12 places in 392 ms of which 1 ms to minimize.
[2023-03-18 14:19:32] [INFO ] Deduced a trap composed of 25 places in 363 ms of which 1 ms to minimize.
[2023-03-18 14:19:32] [INFO ] Deduced a trap composed of 24 places in 387 ms of which 0 ms to minimize.
[2023-03-18 14:19:32] [INFO ] Deduced a trap composed of 29 places in 379 ms of which 1 ms to minimize.
[2023-03-18 14:19:33] [INFO ] Deduced a trap composed of 10 places in 333 ms of which 1 ms to minimize.
[2023-03-18 14:19:33] [INFO ] Deduced a trap composed of 21 places in 355 ms of which 1 ms to minimize.
[2023-03-18 14:19:34] [INFO ] Deduced a trap composed of 91 places in 268 ms of which 1 ms to minimize.
[2023-03-18 14:19:34] [INFO ] Deduced a trap composed of 72 places in 274 ms of which 1 ms to minimize.
[2023-03-18 14:19:34] [INFO ] Deduced a trap composed of 107 places in 364 ms of which 1 ms to minimize.
[2023-03-18 14:19:35] [INFO ] Deduced a trap composed of 110 places in 189 ms of which 1 ms to minimize.
[2023-03-18 14:19:35] [INFO ] Deduced a trap composed of 18 places in 365 ms of which 1 ms to minimize.
[2023-03-18 14:19:36] [INFO ] Deduced a trap composed of 10 places in 357 ms of which 1 ms to minimize.
[2023-03-18 14:19:36] [INFO ] Deduced a trap composed of 10 places in 373 ms of which 1 ms to minimize.
[2023-03-18 14:19:37] [INFO ] Deduced a trap composed of 10 places in 364 ms of which 1 ms to minimize.
[2023-03-18 14:19:37] [INFO ] Deduced a trap composed of 82 places in 294 ms of which 0 ms to minimize.
[2023-03-18 14:19:38] [INFO ] Deduced a trap composed of 25 places in 353 ms of which 1 ms to minimize.
[2023-03-18 14:19:38] [INFO ] Deduced a trap composed of 53 places in 256 ms of which 1 ms to minimize.
[2023-03-18 14:19:38] [INFO ] Deduced a trap composed of 25 places in 272 ms of which 1 ms to minimize.
[2023-03-18 14:19:39] [INFO ] Deduced a trap composed of 25 places in 368 ms of which 0 ms to minimize.
[2023-03-18 14:19:39] [INFO ] Deduced a trap composed of 98 places in 295 ms of which 0 ms to minimize.
[2023-03-18 14:19:40] [INFO ] Deduced a trap composed of 104 places in 288 ms of which 0 ms to minimize.
[2023-03-18 14:19:40] [INFO ] Deduced a trap composed of 53 places in 164 ms of which 0 ms to minimize.
[2023-03-18 14:19:40] [INFO ] Deduced a trap composed of 64 places in 247 ms of which 1 ms to minimize.
[2023-03-18 14:19:41] [INFO ] Deduced a trap composed of 13 places in 338 ms of which 1 ms to minimize.
[2023-03-18 14:19:41] [INFO ] Deduced a trap composed of 51 places in 267 ms of which 1 ms to minimize.
[2023-03-18 14:19:41] [INFO ] Deduced a trap composed of 86 places in 209 ms of which 1 ms to minimize.
[2023-03-18 14:19:42] [INFO ] Deduced a trap composed of 84 places in 145 ms of which 1 ms to minimize.
[2023-03-18 14:19:42] [INFO ] Deduced a trap composed of 110 places in 169 ms of which 0 ms to minimize.
[2023-03-18 14:19:42] [INFO ] Deduced a trap composed of 47 places in 271 ms of which 1 ms to minimize.
[2023-03-18 14:19:43] [INFO ] Deduced a trap composed of 38 places in 341 ms of which 1 ms to minimize.
[2023-03-18 14:19:43] [INFO ] Deduced a trap composed of 42 places in 354 ms of which 1 ms to minimize.
[2023-03-18 14:19:44] [INFO ] Deduced a trap composed of 64 places in 359 ms of which 0 ms to minimize.
[2023-03-18 14:19:44] [INFO ] Deduced a trap composed of 84 places in 386 ms of which 1 ms to minimize.
[2023-03-18 14:19:45] [INFO ] Deduced a trap composed of 38 places in 216 ms of which 0 ms to minimize.
[2023-03-18 14:19:45] [INFO ] Deduced a trap composed of 129 places in 184 ms of which 0 ms to minimize.
[2023-03-18 14:19:45] [INFO ] Deduced a trap composed of 67 places in 178 ms of which 0 ms to minimize.
[2023-03-18 14:19:46] [INFO ] Trap strengthening (SAT) tested/added 37/37 trap constraints in 15656 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.refineResultsWithTraps(DeadlockTester.java:769)
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.ltl.LTLPropertySolver.addInvarianceKnowledge(LTLPropertySolver.java:701)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:568)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:251)
at fr.lip6.move.gal.application.solver.ltl.LTLLengthAwareSolver.runSLCLLTLTest(LTLLengthAwareSolver.java:100)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:764)
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 14:19:46] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-18 14:19:46] [INFO ] After 25015ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:3
Parikh walk visited 0 properties in 1 ms.
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 12 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 623/623 places, 1037/1037 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 222 ms. (steps per millisecond=45 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 159 ms. (steps per millisecond=62 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 201 ms. (steps per millisecond=49 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 246372 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :{}
Probabilistic random walk after 246372 steps, saw 79723 distinct states, run finished after 3004 ms. (steps per millisecond=82 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-18 14:19:50] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:19:50] [INFO ] Invariant cache hit.
[2023-03-18 14:19:50] [INFO ] [Real]Absence check using 17 positive place invariants in 12 ms returned sat
[2023-03-18 14:19:50] [INFO ] After 229ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:19:51] [INFO ] [Nat]Absence check using 17 positive place invariants in 11 ms returned sat
[2023-03-18 14:19:55] [INFO ] After 3973ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:19:55] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:19:58] [INFO ] After 3782ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-18 14:20:00] [INFO ] Deduced a trap composed of 29 places in 341 ms of which 0 ms to minimize.
[2023-03-18 14:20:00] [INFO ] Deduced a trap composed of 32 places in 344 ms of which 0 ms to minimize.
[2023-03-18 14:20:01] [INFO ] Deduced a trap composed of 10 places in 301 ms of which 0 ms to minimize.
[2023-03-18 14:20:01] [INFO ] Deduced a trap composed of 21 places in 306 ms of which 0 ms to minimize.
[2023-03-18 14:20:02] [INFO ] Deduced a trap composed of 22 places in 301 ms of which 1 ms to minimize.
[2023-03-18 14:20:02] [INFO ] Deduced a trap composed of 10 places in 309 ms of which 0 ms to minimize.
[2023-03-18 14:20:02] [INFO ] Deduced a trap composed of 21 places in 218 ms of which 1 ms to minimize.
[2023-03-18 14:20:03] [INFO ] Deduced a trap composed of 10 places in 299 ms of which 1 ms to minimize.
[2023-03-18 14:20:03] [INFO ] Deduced a trap composed of 40 places in 386 ms of which 1 ms to minimize.
[2023-03-18 14:20:04] [INFO ] Deduced a trap composed of 32 places in 319 ms of which 1 ms to minimize.
[2023-03-18 14:20:04] [INFO ] Deduced a trap composed of 67 places in 192 ms of which 0 ms to minimize.
[2023-03-18 14:20:04] [INFO ] Deduced a trap composed of 101 places in 191 ms of which 1 ms to minimize.
[2023-03-18 14:20:05] [INFO ] Deduced a trap composed of 67 places in 196 ms of which 1 ms to minimize.
[2023-03-18 14:20:05] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 5089 ms
[2023-03-18 14:20:06] [INFO ] Deduced a trap composed of 44 places in 159 ms of which 0 ms to minimize.
[2023-03-18 14:20:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 274 ms
[2023-03-18 14:20:08] [INFO ] Deduced a trap composed of 92 places in 134 ms of which 0 ms to minimize.
[2023-03-18 14:20:08] [INFO ] Deduced a trap composed of 67 places in 114 ms of which 0 ms to minimize.
[2023-03-18 14:20:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 512 ms
[2023-03-18 14:20:08] [INFO ] After 13378ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 5215 ms.
[2023-03-18 14:20:13] [INFO ] After 22831ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 33 ms.
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 13 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 623/623 places, 1037/1037 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 12 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
[2023-03-18 14:20:13] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:20:13] [INFO ] Invariant cache hit.
[2023-03-18 14:20:14] [INFO ] Implicit Places using invariants in 381 ms returned []
[2023-03-18 14:20:14] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:20:14] [INFO ] Invariant cache hit.
[2023-03-18 14:20:14] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:20:16] [INFO ] Implicit Places using invariants and state equation in 1924 ms returned []
Implicit Place search using SMT with State Equation took 2308 ms to find 0 implicit places.
[2023-03-18 14:20:16] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-18 14:20:16] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:20:16] [INFO ] Invariant cache hit.
[2023-03-18 14:20:16] [INFO ] Dead Transitions using invariants and state equation in 961 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3304 ms. Remains : 623/623 places, 1037/1037 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 623 transition count 917
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 138 place count 611 transition count 911
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 150 place count 605 transition count 905
Free-agglomeration rule applied 125 times.
Iterating global reduction 1 with 125 rules applied. Total rules applied 275 place count 605 transition count 780
Reduce places removed 125 places and 0 transitions.
Iterating post reduction 1 with 125 rules applied. Total rules applied 400 place count 480 transition count 780
Applied a total of 400 rules in 57 ms. Remains 480 /623 variables (removed 143) and now considering 780/1037 (removed 257) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 780 rows 480 cols
[2023-03-18 14:20:17] [INFO ] Computed 11 place invariants in 3 ms
[2023-03-18 14:20:17] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2023-03-18 14:20:17] [INFO ] After 184ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:20:18] [INFO ] [Nat]Absence check using 11 positive place invariants in 8 ms returned sat
[2023-03-18 14:20:21] [INFO ] After 3675ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:20:25] [INFO ] After 7072ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 3284 ms.
[2023-03-18 14:20:28] [INFO ] After 10560ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Knowledge obtained : [(AND p2 (NOT p1) p0), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p2) p1)))), (X (X (OR p0 p2)))]
False Knowledge obtained : [(F (AND p1 (NOT p2))), (F (NOT p2)), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 4 factoid took 225 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 268 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 162 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 5 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
[2023-03-18 14:20:29] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
// Phase 1: matrix 917 rows 623 cols
[2023-03-18 14:20:29] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-18 14:20:29] [INFO ] Implicit Places using invariants in 376 ms returned []
[2023-03-18 14:20:29] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:20:29] [INFO ] Invariant cache hit.
[2023-03-18 14:20:29] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:20:31] [INFO ] Implicit Places using invariants and state equation in 1870 ms returned []
Implicit Place search using SMT with State Equation took 2248 ms to find 0 implicit places.
[2023-03-18 14:20:31] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:20:31] [INFO ] Invariant cache hit.
[2023-03-18 14:20:32] [INFO ] Dead Transitions using invariants and state equation in 1152 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3406 ms. Remains : 623/623 places, 1037/1037 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 p1) p2 p0), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (OR p0 p2)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 220 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 188 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 325 ms. (steps per millisecond=30 ) properties (out of 6) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 186 ms. (steps per millisecond=53 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 198 ms. (steps per millisecond=50 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 141 ms. (steps per millisecond=70 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-18 14:20:33] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:20:33] [INFO ] Invariant cache hit.
[2023-03-18 14:20:34] [INFO ] [Real]Absence check using 17 positive place invariants in 11 ms returned sat
[2023-03-18 14:20:34] [INFO ] After 225ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:20:34] [INFO ] [Nat]Absence check using 17 positive place invariants in 11 ms returned sat
[2023-03-18 14:20:38] [INFO ] After 4041ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:20:38] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:20:42] [INFO ] After 3794ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-18 14:20:44] [INFO ] Deduced a trap composed of 29 places in 350 ms of which 1 ms to minimize.
[2023-03-18 14:20:44] [INFO ] Deduced a trap composed of 32 places in 346 ms of which 1 ms to minimize.
[2023-03-18 14:20:45] [INFO ] Deduced a trap composed of 10 places in 308 ms of which 1 ms to minimize.
[2023-03-18 14:20:45] [INFO ] Deduced a trap composed of 21 places in 300 ms of which 1 ms to minimize.
[2023-03-18 14:20:45] [INFO ] Deduced a trap composed of 22 places in 300 ms of which 0 ms to minimize.
[2023-03-18 14:20:46] [INFO ] Deduced a trap composed of 10 places in 315 ms of which 0 ms to minimize.
[2023-03-18 14:20:46] [INFO ] Deduced a trap composed of 21 places in 314 ms of which 0 ms to minimize.
[2023-03-18 14:20:47] [INFO ] Deduced a trap composed of 10 places in 310 ms of which 1 ms to minimize.
[2023-03-18 14:20:47] [INFO ] Deduced a trap composed of 40 places in 383 ms of which 1 ms to minimize.
[2023-03-18 14:20:47] [INFO ] Deduced a trap composed of 32 places in 345 ms of which 1 ms to minimize.
[2023-03-18 14:20:48] [INFO ] Deduced a trap composed of 67 places in 150 ms of which 0 ms to minimize.
[2023-03-18 14:20:48] [INFO ] Deduced a trap composed of 101 places in 150 ms of which 0 ms to minimize.
[2023-03-18 14:20:48] [INFO ] Deduced a trap composed of 67 places in 147 ms of which 1 ms to minimize.
[2023-03-18 14:20:48] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 5084 ms
[2023-03-18 14:20:50] [INFO ] Deduced a trap composed of 44 places in 154 ms of which 1 ms to minimize.
[2023-03-18 14:20:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 273 ms
[2023-03-18 14:20:51] [INFO ] Deduced a trap composed of 92 places in 116 ms of which 1 ms to minimize.
[2023-03-18 14:20:51] [INFO ] Deduced a trap composed of 67 places in 120 ms of which 0 ms to minimize.
[2023-03-18 14:20:51] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 494 ms
[2023-03-18 14:20:51] [INFO ] After 13333ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 5157 ms.
[2023-03-18 14:20:57] [INFO ] After 22795ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 35 ms.
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 14 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 623/623 places, 1037/1037 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 276 ms. (steps per millisecond=36 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 160 ms. (steps per millisecond=62 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 194 ms. (steps per millisecond=51 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 3) seen :0
Interrupted probabilistic random walk after 255563 steps, run timeout after 3001 ms. (steps per millisecond=85 ) properties seen :{}
Probabilistic random walk after 255563 steps, saw 80944 distinct states, run finished after 3001 ms. (steps per millisecond=85 ) properties seen :0
Running SMT prover for 3 properties.
[2023-03-18 14:21:00] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:21:00] [INFO ] Invariant cache hit.
[2023-03-18 14:21:01] [INFO ] [Real]Absence check using 17 positive place invariants in 13 ms returned sat
[2023-03-18 14:21:01] [INFO ] After 241ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:21:01] [INFO ] [Nat]Absence check using 17 positive place invariants in 11 ms returned sat
[2023-03-18 14:21:05] [INFO ] After 4018ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:21:05] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:21:09] [INFO ] After 3827ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-18 14:21:11] [INFO ] Deduced a trap composed of 29 places in 352 ms of which 0 ms to minimize.
[2023-03-18 14:21:11] [INFO ] Deduced a trap composed of 32 places in 293 ms of which 1 ms to minimize.
[2023-03-18 14:21:12] [INFO ] Deduced a trap composed of 10 places in 301 ms of which 1 ms to minimize.
[2023-03-18 14:21:12] [INFO ] Deduced a trap composed of 21 places in 305 ms of which 1 ms to minimize.
[2023-03-18 14:21:13] [INFO ] Deduced a trap composed of 22 places in 339 ms of which 1 ms to minimize.
[2023-03-18 14:21:13] [INFO ] Deduced a trap composed of 10 places in 373 ms of which 1 ms to minimize.
[2023-03-18 14:21:14] [INFO ] Deduced a trap composed of 21 places in 313 ms of which 0 ms to minimize.
[2023-03-18 14:21:14] [INFO ] Deduced a trap composed of 10 places in 309 ms of which 1 ms to minimize.
[2023-03-18 14:21:14] [INFO ] Deduced a trap composed of 40 places in 391 ms of which 1 ms to minimize.
[2023-03-18 14:21:15] [INFO ] Deduced a trap composed of 32 places in 341 ms of which 0 ms to minimize.
[2023-03-18 14:21:15] [INFO ] Deduced a trap composed of 67 places in 202 ms of which 1 ms to minimize.
[2023-03-18 14:21:16] [INFO ] Deduced a trap composed of 101 places in 199 ms of which 0 ms to minimize.
[2023-03-18 14:21:16] [INFO ] Deduced a trap composed of 67 places in 191 ms of which 0 ms to minimize.
[2023-03-18 14:21:16] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 5324 ms
[2023-03-18 14:21:17] [INFO ] Deduced a trap composed of 44 places in 155 ms of which 0 ms to minimize.
[2023-03-18 14:21:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 268 ms
[2023-03-18 14:21:19] [INFO ] Deduced a trap composed of 92 places in 134 ms of which 0 ms to minimize.
[2023-03-18 14:21:19] [INFO ] Deduced a trap composed of 67 places in 138 ms of which 1 ms to minimize.
[2023-03-18 14:21:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 534 ms
[2023-03-18 14:21:19] [INFO ] After 13734ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 5223 ms.
[2023-03-18 14:21:24] [INFO ] After 23269ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 35 ms.
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 11 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 623/623 places, 1037/1037 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 11 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
[2023-03-18 14:21:24] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:21:24] [INFO ] Invariant cache hit.
[2023-03-18 14:21:25] [INFO ] Implicit Places using invariants in 356 ms returned []
[2023-03-18 14:21:25] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:21:25] [INFO ] Invariant cache hit.
[2023-03-18 14:21:25] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:21:27] [INFO ] Implicit Places using invariants and state equation in 1829 ms returned []
Implicit Place search using SMT with State Equation took 2189 ms to find 0 implicit places.
[2023-03-18 14:21:27] [INFO ] Redundant transitions in 12 ms returned []
[2023-03-18 14:21:27] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:21:27] [INFO ] Invariant cache hit.
[2023-03-18 14:21:28] [INFO ] Dead Transitions using invariants and state equation in 1052 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3270 ms. Remains : 623/623 places, 1037/1037 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 623 transition count 917
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 138 place count 611 transition count 911
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 1 with 12 rules applied. Total rules applied 150 place count 605 transition count 905
Free-agglomeration rule applied 125 times.
Iterating global reduction 1 with 125 rules applied. Total rules applied 275 place count 605 transition count 780
Reduce places removed 125 places and 0 transitions.
Iterating post reduction 1 with 125 rules applied. Total rules applied 400 place count 480 transition count 780
Applied a total of 400 rules in 35 ms. Remains 480 /623 variables (removed 143) and now considering 780/1037 (removed 257) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 780 rows 480 cols
[2023-03-18 14:21:28] [INFO ] Computed 11 place invariants in 2 ms
[2023-03-18 14:21:28] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2023-03-18 14:21:28] [INFO ] After 184ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-18 14:21:28] [INFO ] [Nat]Absence check using 11 positive place invariants in 7 ms returned sat
[2023-03-18 14:21:32] [INFO ] After 3829ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-18 14:21:36] [INFO ] After 7291ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 3399 ms.
[2023-03-18 14:21:39] [INFO ] After 10904ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Knowledge obtained : [(AND (NOT p1) p2 p0), (X (X (NOT (AND p1 (NOT p0) (NOT p2))))), (X (X (NOT (AND (NOT p1) (NOT p0) (NOT p2))))), (X (X (OR p0 p2)))]
False Knowledge obtained : [(F (AND p1 (NOT p2))), (F (NOT p2)), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 4 factoid took 230 ms. Reduced automaton from 5 states, 9 edges and 3 AP (stutter sensitive) to 5 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 157 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 156 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Stuttering acceptance computed with spot in 154 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Product exploration explored 100000 steps with 0 reset in 999 ms.
Product exploration explored 100000 steps with 0 reset in 1043 ms.
Applying partial POR strategy [true, true, true, false, false]
Stuttering acceptance computed with spot in 157 ms :[true, (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0)), (AND p1 (NOT p2) (NOT p0))]
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 11 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
[2023-03-18 14:21:42] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-18 14:21:42] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
// Phase 1: matrix 917 rows 623 cols
[2023-03-18 14:21:42] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-18 14:21:43] [INFO ] Dead Transitions using invariants and state equation in 1032 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1062 ms. Remains : 623/623 places, 1037/1037 transitions.
Support contains 270 out of 623 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 623/623 places, 1037/1037 transitions.
Applied a total of 0 rules in 5 ms. Remains 623 /623 variables (removed 0) and now considering 1037/1037 (removed 0) transitions.
[2023-03-18 14:21:43] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:21:43] [INFO ] Invariant cache hit.
[2023-03-18 14:21:44] [INFO ] Implicit Places using invariants in 360 ms returned []
[2023-03-18 14:21:44] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:21:44] [INFO ] Invariant cache hit.
[2023-03-18 14:21:44] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:21:46] [INFO ] Implicit Places using invariants and state equation in 1899 ms returned []
Implicit Place search using SMT with State Equation took 2261 ms to find 0 implicit places.
[2023-03-18 14:21:46] [INFO ] Flow matrix only has 917 transitions (discarded 120 similar events)
[2023-03-18 14:21:46] [INFO ] Invariant cache hit.
[2023-03-18 14:21:46] [INFO ] Dead Transitions using invariants and state equation in 948 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3217 ms. Remains : 623/623 places, 1037/1037 transitions.
Treatment of property Peterson-PT-5-LTLFireability-02 finished in 149517 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((X(G(p0))||G(p1)||(p1&&F(!p2))))))'
Found a Lengthening insensitive property : Peterson-PT-5-LTLFireability-14
Stuttering acceptance computed with spot in 230 ms :[true, (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) p2)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (NOT p0) p2), (NOT p0)]
Support contains 5 out of 834 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions removed 358 transitions
Trivial Post-agglo rules discarded 358 transitions
Performed 358 trivial Post agglomeration. Transition count delta: 358
Iterating post reduction 0 with 358 rules applied. Total rules applied 358 place count 834 transition count 884
Reduce places removed 358 places and 0 transitions.
Iterating post reduction 1 with 358 rules applied. Total rules applied 716 place count 476 transition count 884
Performed 180 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 180 Pre rules applied. Total rules applied 716 place count 476 transition count 704
Deduced a syphon composed of 180 places in 0 ms
Reduce places removed 180 places and 0 transitions.
Iterating global reduction 2 with 360 rules applied. Total rules applied 1076 place count 296 transition count 704
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 1134 place count 267 transition count 675
Applied a total of 1134 rules in 27 ms. Remains 267 /834 variables (removed 567) and now considering 675/1242 (removed 567) transitions.
[2023-03-18 14:21:47] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
// Phase 1: matrix 555 rows 267 cols
[2023-03-18 14:21:47] [INFO ] Computed 23 place invariants in 1 ms
[2023-03-18 14:21:47] [INFO ] Implicit Places using invariants in 370 ms returned [230, 242, 243, 244, 245, 246]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 372 ms to find 6 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 261/834 places, 675/1242 transitions.
Applied a total of 0 rules in 6 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 405 ms. Remains : 261/834 places, 675/1242 transitions.
Running random walk in product with property : Peterson-PT-5-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND p1 p2 p0), acceptance={} source=1 dest: 1}, { cond=(AND p1 p2 (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p1) p2 (NOT p0)), acceptance={} source=1 dest: 5}, { cond=(OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p0)), acceptance={} source=1 dest: 6}], [{ cond=(AND p1 p2), acceptance={} source=2 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 4}, { cond=(AND (NOT p1) p2), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 6}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=(AND p1 p2), acceptance={} source=4 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 4}, { cond=(NOT p1), acceptance={} source=4 dest: 6}], [{ cond=(NOT p0), acceptance={0} source=5 dest: 0}, { cond=(AND p2 p0), acceptance={0} source=5 dest: 5}, { cond=(AND (NOT p2) p0), acceptance={0} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={} source=6 dest: 0}, { cond=p0, acceptance={} source=6 dest: 6}]], initial=3, aps=[p1:(NEQ s154 1), p2:(AND (EQ s205 1) (EQ s234 1)), p0:(OR (EQ s182 0) (EQ s214 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 201 ms.
Product exploration explored 100000 steps with 0 reset in 232 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT (AND p1 p2))), (X (AND p1 (NOT p2))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X p1)), (X (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p0))))), (X (X (NOT (AND p1 p2 (NOT p0)))))]
False Knowledge obtained : [(X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND p1 p2 p0))), (X (X (NOT (AND p1 p2 p0)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2)))))]
Knowledge based reduction with 9 factoid took 494 ms. Reduced automaton from 7 states, 19 edges and 3 AP (stutter sensitive) to 7 states, 19 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 247 ms :[true, (OR (NOT p0) p2), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) p2)), (AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 12) seen :8
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-18 14:21:49] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
// Phase 1: matrix 555 rows 261 cols
[2023-03-18 14:21:49] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:21:49] [INFO ] [Real]Absence check using 17 positive place invariants in 8 ms returned sat
[2023-03-18 14:21:49] [INFO ] After 204ms SMT Verify possible using state equation in real domain returned unsat :2 sat :1 real:1
[2023-03-18 14:21:49] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:21:49] [INFO ] After 58ms SMT Verify possible using 205 Read/Feed constraints in real domain returned unsat :2 sat :0 real:2
[2023-03-18 14:21:49] [INFO ] After 376ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:2
[2023-03-18 14:21:49] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2023-03-18 14:21:49] [INFO ] After 203ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :2
[2023-03-18 14:21:49] [INFO ] After 73ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :2 sat :2
[2023-03-18 14:21:50] [INFO ] Deduced a trap composed of 16 places in 109 ms of which 0 ms to minimize.
[2023-03-18 14:21:50] [INFO ] Deduced a trap composed of 16 places in 99 ms of which 0 ms to minimize.
[2023-03-18 14:21:50] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 1 ms to minimize.
[2023-03-18 14:21:50] [INFO ] Deduced a trap composed of 23 places in 102 ms of which 0 ms to minimize.
[2023-03-18 14:21:50] [INFO ] Deduced a trap composed of 23 places in 106 ms of which 0 ms to minimize.
[2023-03-18 14:21:50] [INFO ] Deduced a trap composed of 30 places in 98 ms of which 0 ms to minimize.
[2023-03-18 14:21:50] [INFO ] Deduced a trap composed of 30 places in 107 ms of which 0 ms to minimize.
[2023-03-18 14:21:50] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 883 ms
[2023-03-18 14:21:50] [INFO ] After 1011ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :2
Attempting to minimize the solution found.
Minimization took 47 ms.
[2023-03-18 14:21:50] [INFO ] After 1361ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :2
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 5 out of 261 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 261/261 places, 675/675 transitions.
Applied a total of 0 rules in 8 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 261/261 places, 675/675 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 728126 steps, run timeout after 3001 ms. (steps per millisecond=242 ) properties seen :{}
Probabilistic random walk after 728126 steps, saw 106802 distinct states, run finished after 3001 ms. (steps per millisecond=242 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-18 14:21:54] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:21:54] [INFO ] Invariant cache hit.
[2023-03-18 14:21:54] [INFO ] [Real]Absence check using 17 positive place invariants in 7 ms returned sat
[2023-03-18 14:21:54] [INFO ] After 201ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:1
[2023-03-18 14:21:54] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:21:54] [INFO ] After 52ms SMT Verify possible using 205 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-18 14:21:54] [INFO ] After 352ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-18 14:21:54] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2023-03-18 14:21:54] [INFO ] After 199ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-18 14:21:54] [INFO ] After 80ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-18 14:21:54] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 1 ms to minimize.
[2023-03-18 14:21:55] [INFO ] Deduced a trap composed of 23 places in 106 ms of which 0 ms to minimize.
[2023-03-18 14:21:55] [INFO ] Deduced a trap composed of 23 places in 106 ms of which 1 ms to minimize.
[2023-03-18 14:21:55] [INFO ] Deduced a trap composed of 30 places in 104 ms of which 0 ms to minimize.
[2023-03-18 14:21:55] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 513 ms
[2023-03-18 14:21:55] [INFO ] Deduced a trap composed of 16 places in 114 ms of which 1 ms to minimize.
[2023-03-18 14:21:55] [INFO ] Deduced a trap composed of 16 places in 110 ms of which 0 ms to minimize.
[2023-03-18 14:21:55] [INFO ] Deduced a trap composed of 23 places in 115 ms of which 1 ms to minimize.
[2023-03-18 14:21:55] [INFO ] Deduced a trap composed of 23 places in 120 ms of which 0 ms to minimize.
[2023-03-18 14:21:56] [INFO ] Deduced a trap composed of 23 places in 104 ms of which 0 ms to minimize.
[2023-03-18 14:21:56] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 686 ms
[2023-03-18 14:21:56] [INFO ] After 1317ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 44 ms.
[2023-03-18 14:21:56] [INFO ] After 1656ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 261 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 261/261 places, 675/675 transitions.
Applied a total of 0 rules in 8 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 261/261 places, 675/675 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 261/261 places, 675/675 transitions.
Applied a total of 0 rules in 7 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
[2023-03-18 14:21:56] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:21:56] [INFO ] Invariant cache hit.
[2023-03-18 14:21:56] [INFO ] Implicit Places using invariants in 328 ms returned []
[2023-03-18 14:21:56] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:21:56] [INFO ] Invariant cache hit.
[2023-03-18 14:21:56] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:21:57] [INFO ] Implicit Places using invariants and state equation in 1010 ms returned []
Implicit Place search using SMT with State Equation took 1339 ms to find 0 implicit places.
[2023-03-18 14:21:57] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-18 14:21:57] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:21:57] [INFO ] Invariant cache hit.
[2023-03-18 14:21:57] [INFO ] Dead Transitions using invariants and state equation in 520 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1877 ms. Remains : 261/261 places, 675/675 transitions.
Graph (trivial) has 491 edges and 261 vertex of which 172 / 261 are part of one of the 29 SCC in 1 ms
Free SCC test removed 143 places
Drop transitions removed 286 transitions
Ensure Unique test removed 147 transitions
Reduce isomorphic transitions removed 433 transitions.
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 27 Pre rules applied. Total rules applied 1 place count 118 transition count 215
Deduced a syphon composed of 27 places in 0 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 0 with 54 rules applied. Total rules applied 55 place count 91 transition count 215
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 0 with 2 rules applied. Total rules applied 57 place count 90 transition count 214
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 58 place count 90 transition count 213
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 17 rules applied. Total rules applied 75 place count 79 transition count 213
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 41 edges and 79 vertex of which 24 / 79 are part of one of the 4 SCC in 0 ms
Free SCC test removed 20 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 78 place count 59 transition count 211
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Graph (trivial) has 88 edges and 55 vertex of which 15 / 55 are part of one of the 5 SCC in 0 ms
Free SCC test removed 10 places
Iterating post reduction 2 with 29 rules applied. Total rules applied 107 place count 45 transition count 187
Drop transitions removed 30 transitions
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 92 transitions.
Iterating post reduction 3 with 92 rules applied. Total rules applied 199 place count 45 transition count 95
Drop transitions removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 209 place count 45 transition count 85
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 4 with 3 rules applied. Total rules applied 212 place count 45 transition count 82
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 4 rules applied. Total rules applied 216 place count 42 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 217 place count 41 transition count 81
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 217 place count 41 transition count 80
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 219 place count 40 transition count 80
Free-agglomeration rule applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 220 place count 40 transition count 79
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 221 place count 39 transition count 79
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 8 with 4 rules applied. Total rules applied 225 place count 39 transition count 91
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 4 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 8 with 32 rules applied. Total rules applied 257 place count 35 transition count 63
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 9 with 8 rules applied. Total rules applied 265 place count 35 transition count 55
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 267 place count 35 transition count 55
Applied a total of 267 rules in 14 ms. Remains 35 /261 variables (removed 226) and now considering 55/675 (removed 620) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 55 rows 35 cols
[2023-03-18 14:21:58] [INFO ] Computed 9 place invariants in 0 ms
[2023-03-18 14:21:58] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-18 14:21:58] [INFO ] After 27ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:1
[2023-03-18 14:21:58] [INFO ] After 33ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1 real:1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-18 14:21:58] [INFO ] After 71ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1 real:1
[2023-03-18 14:21:58] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-18 14:21:58] [INFO ] After 23ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-18 14:21:58] [INFO ] After 34ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-18 14:21:58] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Found 2 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p2) p0), (X (NOT (AND p1 p2))), (X (AND p1 (NOT p2))), (X p1), (X (X p0)), (X (X (NOT (AND (NOT p1) p2 (NOT p0))))), (X (X p1)), (X (X (NOT (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p0))))), (X (X (NOT (AND p1 p2 (NOT p0))))), (G (NOT (AND (NOT p1) p2))), (G (NOT (AND (NOT p0) (NOT p1) p2)))]
False Knowledge obtained : [(X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X (AND p1 p2 p0))), (X (X (NOT (AND p1 p2 p0)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (F (AND p1 p2)), (F (NOT (AND p1 (NOT p2)))), (F (AND (NOT p1) (NOT p2))), (F (NOT (AND p0 (NOT p2)))), (F (AND p0 p2)), (F (NOT p1)), (F (OR (AND p0 (NOT p1)) (AND (NOT p1) (NOT p2)))), (F (AND p0 p1 p2))]
Knowledge based reduction with 11 factoid took 773 ms. Reduced automaton from 7 states, 19 edges and 3 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 123 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 114 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 261 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 261/261 places, 675/675 transitions.
Applied a total of 0 rules in 3 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
[2023-03-18 14:21:59] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
// Phase 1: matrix 555 rows 261 cols
[2023-03-18 14:21:59] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:21:59] [INFO ] Implicit Places using invariants in 326 ms returned []
[2023-03-18 14:21:59] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:21:59] [INFO ] Invariant cache hit.
[2023-03-18 14:21:59] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:22:00] [INFO ] Implicit Places using invariants and state equation in 1001 ms returned []
Implicit Place search using SMT with State Equation took 1329 ms to find 0 implicit places.
[2023-03-18 14:22:00] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:22:00] [INFO ] Invariant cache hit.
[2023-03-18 14:22:01] [INFO ] Dead Transitions using invariants and state equation in 489 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1826 ms. Remains : 261/261 places, 675/675 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 p0 p1), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 172 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 114 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:22:01] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:22:01] [INFO ] Invariant cache hit.
[2023-03-18 14:22:01] [INFO ] [Real]Absence check using 17 positive place invariants in 8 ms returned sat
[2023-03-18 14:22:01] [INFO ] After 176ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-18 14:22:01] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:22:01] [INFO ] After 42ms SMT Verify possible using 205 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:22:01] [INFO ] After 302ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:22:01] [INFO ] [Nat]Absence check using 17 positive place invariants in 8 ms returned sat
[2023-03-18 14:22:01] [INFO ] After 177ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 14:22:01] [INFO ] After 53ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 14:22:02] [INFO ] Deduced a trap composed of 16 places in 109 ms of which 0 ms to minimize.
[2023-03-18 14:22:02] [INFO ] Deduced a trap composed of 23 places in 120 ms of which 1 ms to minimize.
[2023-03-18 14:22:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 291 ms
[2023-03-18 14:22:02] [INFO ] After 361ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 22 ms.
[2023-03-18 14:22:02] [INFO ] After 645ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 261 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 261/261 places, 675/675 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 261 transition count 674
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 260 transition count 674
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 0 with 2 rules applied. Total rules applied 4 place count 259 transition count 673
Applied a total of 4 rules in 15 ms. Remains 259 /261 variables (removed 2) and now considering 673/675 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 259/261 places, 673/675 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1008028 steps, run timeout after 3001 ms. (steps per millisecond=335 ) properties seen :{}
Probabilistic random walk after 1008028 steps, saw 147364 distinct states, run finished after 3001 ms. (steps per millisecond=335 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-18 14:22:05] [INFO ] Flow matrix only has 553 transitions (discarded 120 similar events)
// Phase 1: matrix 553 rows 259 cols
[2023-03-18 14:22:05] [INFO ] Computed 17 place invariants in 2 ms
[2023-03-18 14:22:05] [INFO ] [Real]Absence check using 17 positive place invariants in 8 ms returned sat
[2023-03-18 14:22:05] [INFO ] After 180ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-18 14:22:05] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:22:05] [INFO ] After 45ms SMT Verify possible using 205 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:22:05] [INFO ] After 318ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:22:05] [INFO ] [Nat]Absence check using 17 positive place invariants in 10 ms returned sat
[2023-03-18 14:22:05] [INFO ] After 176ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 14:22:05] [INFO ] After 45ms SMT Verify possible using 205 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-18 14:22:06] [INFO ] Deduced a trap composed of 16 places in 101 ms of which 0 ms to minimize.
[2023-03-18 14:22:06] [INFO ] Deduced a trap composed of 9 places in 105 ms of which 0 ms to minimize.
[2023-03-18 14:22:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 264 ms
[2023-03-18 14:22:06] [INFO ] After 325ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 20 ms.
[2023-03-18 14:22:06] [INFO ] After 607ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 259 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 259/259 places, 673/673 transitions.
Applied a total of 0 rules in 8 ms. Remains 259 /259 variables (removed 0) and now considering 673/673 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 259/259 places, 673/673 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 259/259 places, 673/673 transitions.
Applied a total of 0 rules in 7 ms. Remains 259 /259 variables (removed 0) and now considering 673/673 (removed 0) transitions.
[2023-03-18 14:22:06] [INFO ] Flow matrix only has 553 transitions (discarded 120 similar events)
[2023-03-18 14:22:06] [INFO ] Invariant cache hit.
[2023-03-18 14:22:06] [INFO ] Implicit Places using invariants in 349 ms returned []
[2023-03-18 14:22:06] [INFO ] Flow matrix only has 553 transitions (discarded 120 similar events)
[2023-03-18 14:22:06] [INFO ] Invariant cache hit.
[2023-03-18 14:22:06] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:22:07] [INFO ] Implicit Places using invariants and state equation in 1016 ms returned []
Implicit Place search using SMT with State Equation took 1367 ms to find 0 implicit places.
[2023-03-18 14:22:07] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-18 14:22:07] [INFO ] Flow matrix only has 553 transitions (discarded 120 similar events)
[2023-03-18 14:22:07] [INFO ] Invariant cache hit.
[2023-03-18 14:22:08] [INFO ] Dead Transitions using invariants and state equation in 489 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1875 ms. Remains : 259/259 places, 673/673 transitions.
Graph (trivial) has 508 edges and 259 vertex of which 178 / 259 are part of one of the 30 SCC in 1 ms
Free SCC test removed 148 places
Drop transitions removed 296 transitions
Ensure Unique test removed 149 transitions
Reduce isomorphic transitions removed 445 transitions.
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 29 Pre rules applied. Total rules applied 1 place count 111 transition count 199
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 0 with 58 rules applied. Total rules applied 59 place count 82 transition count 199
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 0 with 2 rules applied. Total rules applied 61 place count 81 transition count 198
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 62 place count 81 transition count 197
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 17 rules applied. Total rules applied 79 place count 70 transition count 197
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (trivial) has 36 edges and 70 vertex of which 30 / 70 are part of one of the 5 SCC in 0 ms
Free SCC test removed 25 places
Iterating post reduction 1 with 2 rules applied. Total rules applied 81 place count 45 transition count 196
Reduce places removed 4 places and 0 transitions.
Drop transitions removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Graph (trivial) has 106 edges and 41 vertex of which 20 / 41 are part of one of the 5 SCC in 0 ms
Free SCC test removed 15 places
Iterating post reduction 2 with 35 rules applied. Total rules applied 116 place count 26 transition count 166
Drop transitions removed 60 transitions
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 123 transitions.
Iterating post reduction 3 with 123 rules applied. Total rules applied 239 place count 26 transition count 43
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 242 place count 26 transition count 40
Free-agglomeration rule applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 243 place count 26 transition count 39
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 244 place count 25 transition count 39
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 5 with 5 rules applied. Total rules applied 249 place count 25 transition count 39
Reduce places removed 5 places and 0 transitions.
Drop transitions removed 5 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 5 with 20 rules applied. Total rules applied 269 place count 20 transition count 24
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 274 place count 20 transition count 19
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 275 place count 20 transition count 19
Applied a total of 275 rules in 20 ms. Remains 20 /259 variables (removed 239) and now considering 19/673 (removed 654) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 19 rows 20 cols
[2023-03-18 14:22:08] [INFO ] Computed 8 place invariants in 2 ms
[2023-03-18 14:22:08] [INFO ] [Real]Absence check using 8 positive place invariants in 5 ms returned sat
[2023-03-18 14:22:08] [INFO ] After 12ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-18 14:22:08] [INFO ] After 16ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-18 14:22:08] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-18 14:22:08] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-18 14:22:08] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-18 14:22:08] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 3 ms.
[2023-03-18 14:22:08] [INFO ] After 44ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [(AND p0 p1), (X p1), (X (X p0)), (X (X p1))]
False Knowledge obtained : [(F (NOT p1))]
Knowledge based reduction with 4 factoid took 178 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 4 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 109 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 111 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Stuttering acceptance computed with spot in 116 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Product exploration explored 100000 steps with 0 reset in 224 ms.
Product exploration explored 100000 steps with 0 reset in 270 ms.
Applying partial POR strategy [true, true, false, false]
Stuttering acceptance computed with spot in 113 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0))]
Support contains 3 out of 261 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 261/261 places, 675/675 transitions.
Applied a total of 0 rules in 8 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
[2023-03-18 14:22:09] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-18 14:22:09] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
// Phase 1: matrix 555 rows 261 cols
[2023-03-18 14:22:09] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-18 14:22:10] [INFO ] Dead Transitions using invariants and state equation in 521 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 539 ms. Remains : 261/261 places, 675/675 transitions.
Support contains 3 out of 261 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 261/261 places, 675/675 transitions.
Applied a total of 0 rules in 4 ms. Remains 261 /261 variables (removed 0) and now considering 675/675 (removed 0) transitions.
[2023-03-18 14:22:10] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:22:10] [INFO ] Invariant cache hit.
[2023-03-18 14:22:10] [INFO ] Implicit Places using invariants in 315 ms returned []
[2023-03-18 14:22:10] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:22:10] [INFO ] Invariant cache hit.
[2023-03-18 14:22:10] [INFO ] State equation strengthened by 205 read => feed constraints.
[2023-03-18 14:22:11] [INFO ] Implicit Places using invariants and state equation in 1009 ms returned []
Implicit Place search using SMT with State Equation took 1326 ms to find 0 implicit places.
[2023-03-18 14:22:11] [INFO ] Flow matrix only has 555 transitions (discarded 120 similar events)
[2023-03-18 14:22:11] [INFO ] Invariant cache hit.
[2023-03-18 14:22:11] [INFO ] Dead Transitions using invariants and state equation in 439 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1770 ms. Remains : 261/261 places, 675/675 transitions.
Treatment of property Peterson-PT-5-LTLFireability-14 finished in 24849 ms.
[2023-03-18 14:22:11] [INFO ] Flatten gal took : 64 ms
[2023-03-18 14:22:11] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 7 ms.
[2023-03-18 14:22:11] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 834 places, 1242 transitions and 3828 arcs took 7 ms.
Total runtime 504741 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3766/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/3766/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : Peterson-PT-5-LTLFireability-02
Could not compute solution for formula : Peterson-PT-5-LTLFireability-14
BK_STOP 1679150624060
--------------------
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-5-LTLFireability-02
ltl formula formula --ltl=/tmp/3766/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 834 places, 1242 transitions and 3828 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 0.160 real 0.030 user 0.050 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3766/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3766/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3766/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3766/ltl_0_
ltl formula name Peterson-PT-5-LTLFireability-14
ltl formula formula --ltl=/tmp/3766/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: =============================================================================
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 834 places, 1242 transitions and 3828 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 0.140 real 0.050 user 0.030 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/3766/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/3766/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/3766/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/3766/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 7 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:
malloc_consolidate(): invalid chunk size
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-5"
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-5, 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-167863540300628"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Peterson-PT-5.tgz
mv Peterson-PT-5 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 ;