Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r111-smll-174867015800016.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is FunctionPointer-PT-c004, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-smll-174867015800016
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 4.2M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-c004-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748773319266

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c004
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-06-01 10:22:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 10:22:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 10:22:02] [INFO ] Load time of PNML (sax parser for PT used): 838 ms
[2025-06-01 10:22:02] [INFO ] Transformed 2826 places.
[2025-06-01 10:22:02] [INFO ] Transformed 8960 transitions.
[2025-06-01 10:22:02] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 1094 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Deduced a syphon composed of 1198 places in 53 ms
Reduce places removed 1198 places and 2998 transitions.
FORMULA FunctionPointer-PT-c004-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c004-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-01 10:22:02] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
// Phase 1: matrix 3540 rows 1628 cols
[2025-06-01 10:22:02] [INFO ] Computed 4 invariants in 143 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 4, 4]
RANDOM walk for 10000 steps (2 resets) in 400 ms. (24 steps per ms)
BEST_FIRST walk for 140013 steps (28 resets) in 463 ms. (301 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 5, 1, 4, 1, 1, 2, 1, 1, 5, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 4, 4]
[2025-06-01 10:22:03] [INFO ] Flow matrix only has 3540 transitions (discarded 2422 similar events)
[2025-06-01 10:22:03] [INFO ] Invariant cache hit.
[2025-06-01 10:22:04] [INFO ] [Real]Absence check using 3 positive place invariants in 24 ms returned sat
[2025-06-01 10:22:04] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:05] [INFO ] [Real]Absence check using state equation in 1409 ms returned sat
[2025-06-01 10:22:06] [INFO ] State equation strengthened by 479 read => feed constraints.
[2025-06-01 10:22:06] [INFO ] [Real]Added 479 Read/Feed constraints in 463 ms returned sat
[2025-06-01 10:22:06] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 35 ms returned sat
[2025-06-01 10:22:07] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 10:22:08] [INFO ] [Nat]Absence check using state equation in 1231 ms returned sat
[2025-06-01 10:22:08] [INFO ] [Nat]Added 479 Read/Feed constraints in 208 ms returned sat
[2025-06-01 10:22:10] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 1247 ms.
[2025-06-01 10:22:11] [INFO ] Added : 1 causal constraints over 1 iterations in 1981 ms. Result :sat
Minimization took 624 ms.
[2025-06-01 10:22:12] [INFO ] [Real]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 10:22:12] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 10:22:13] [INFO ] [Real]Absence check using state equation in 1482 ms returned sat
[2025-06-01 10:22:13] [INFO ] [Real]Added 479 Read/Feed constraints in 175 ms returned sat
[2025-06-01 10:22:14] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 10:22:14] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:16] [INFO ] [Nat]Absence check using state equation in 1625 ms returned sat
[2025-06-01 10:22:16] [INFO ] [Nat]Added 479 Read/Feed constraints in 350 ms returned sat
[2025-06-01 10:22:17] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 791 ms.
[2025-06-01 10:22:17] [INFO ] Added : 2 causal constraints over 1 iterations in 1253 ms. Result :sat
Minimization took 591 ms.
[2025-06-01 10:22:18] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 10:22:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:20] [INFO ] [Real]Absence check using state equation in 1353 ms returned sat
[2025-06-01 10:22:20] [INFO ] [Real]Added 479 Read/Feed constraints in 216 ms returned sat
[2025-06-01 10:22:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 10:22:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:22] [INFO ] [Nat]Absence check using state equation in 1355 ms returned sat
[2025-06-01 10:22:22] [INFO ] [Nat]Added 479 Read/Feed constraints in 278 ms returned sat
[2025-06-01 10:22:23] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 826 ms.
[2025-06-01 10:22:23] [INFO ] Added : 3 causal constraints over 1 iterations in 1280 ms. Result :sat
Minimization took 587 ms.
[2025-06-01 10:22:24] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 10:22:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:26] [INFO ] [Real]Absence check using state equation in 1333 ms returned sat
[2025-06-01 10:22:26] [INFO ] [Real]Added 479 Read/Feed constraints in 213 ms returned sat
[2025-06-01 10:22:26] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 10:22:26] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:28] [INFO ] [Nat]Absence check using state equation in 1650 ms returned sat
[2025-06-01 10:22:28] [INFO ] [Nat]Added 479 Read/Feed constraints in 151 ms returned sat
[2025-06-01 10:22:29] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 886 ms.
[2025-06-01 10:22:30] [INFO ] Added : 1 causal constraints over 1 iterations in 1759 ms. Result :sat
Minimization took 609 ms.
[2025-06-01 10:22:31] [INFO ] [Real]Absence check using 3 positive place invariants in 30 ms returned sat
[2025-06-01 10:22:31] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 10:22:33] [INFO ] [Real]Absence check using state equation in 1378 ms returned sat
[2025-06-01 10:22:33] [INFO ] [Real]Added 479 Read/Feed constraints in 157 ms returned sat
[2025-06-01 10:22:33] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 27 ms returned sat
[2025-06-01 10:22:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 10:22:35] [INFO ] [Nat]Absence check using state equation in 1390 ms returned sat
[2025-06-01 10:22:35] [INFO ] [Nat]Added 479 Read/Feed constraints in 154 ms returned sat
[2025-06-01 10:22:36] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 843 ms.
[2025-06-01 10:22:37] [INFO ] Added : 2 causal constraints over 1 iterations in 1713 ms. Result :sat
Minimization took 616 ms.
[2025-06-01 10:22:38] [INFO ] [Real]Absence check using 3 positive place invariants in 28 ms returned sat
[2025-06-01 10:22:38] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:39] [INFO ] [Real]Absence check using state equation in 1098 ms returned sat
[2025-06-01 10:22:39] [INFO ] [Real]Added 479 Read/Feed constraints in 280 ms returned sat
[2025-06-01 10:22:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 10:22:40] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:41] [INFO ] [Nat]Absence check using state equation in 1296 ms returned sat
[2025-06-01 10:22:41] [INFO ] [Nat]Added 479 Read/Feed constraints in 137 ms returned sat
[2025-06-01 10:22:42] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 668 ms.
[2025-06-01 10:22:42] [INFO ] Added : 0 causal constraints over 0 iterations in 939 ms. Result :sat
Minimization took 582 ms.
[2025-06-01 10:22:43] [INFO ] [Real]Absence check using 3 positive place invariants in 19 ms returned sat
[2025-06-01 10:22:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:45] [INFO ] [Real]Absence check using state equation in 1500 ms returned sat
[2025-06-01 10:22:45] [INFO ] [Real]Added 479 Read/Feed constraints in 247 ms returned sat
[2025-06-01 10:22:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 10:22:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:47] [INFO ] [Nat]Absence check using state equation in 1414 ms returned sat
[2025-06-01 10:22:47] [INFO ] [Nat]Added 479 Read/Feed constraints in 154 ms returned sat
[2025-06-01 10:22:48] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 713 ms.
[2025-06-01 10:22:49] [INFO ] Added : 2 causal constraints over 1 iterations in 1186 ms. Result :sat
Minimization took 611 ms.
[2025-06-01 10:22:50] [INFO ] [Real]Absence check using 3 positive place invariants in 29 ms returned sat
[2025-06-01 10:22:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:51] [INFO ] [Real]Absence check using state equation in 1433 ms returned sat
[2025-06-01 10:22:51] [INFO ] [Real]Added 479 Read/Feed constraints in 187 ms returned sat
[2025-06-01 10:22:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 10:22:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:53] [INFO ] [Nat]Absence check using state equation in 1421 ms returned sat
[2025-06-01 10:22:53] [INFO ] [Nat]Added 479 Read/Feed constraints in 203 ms returned sat
[2025-06-01 10:22:54] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 592 ms.
[2025-06-01 10:22:55] [INFO ] Added : 2 causal constraints over 1 iterations in 1298 ms. Result :sat
Minimization took 590 ms.
[2025-06-01 10:22:56] [INFO ] [Real]Absence check using 3 positive place invariants in 18 ms returned sat
[2025-06-01 10:22:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:22:57] [INFO ] [Real]Absence check using state equation in 1406 ms returned sat
[2025-06-01 10:22:58] [INFO ] [Real]Added 479 Read/Feed constraints in 322 ms returned sat
[2025-06-01 10:22:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:22:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 10:22:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:00] [INFO ] [Nat]Absence check using state equation in 1404 ms returned sat
[2025-06-01 10:23:00] [INFO ] [Nat]Added 479 Read/Feed constraints in 161 ms returned sat
[2025-06-01 10:23:02] [INFO ] Deduced a trap composed of 134 places in 2181 ms of which 140 ms to minimize.
[2025-06-01 10:23:04] [INFO ] Deduced a trap composed of 133 places in 2039 ms of which 16 ms to minimize.
[2025-06-01 10:23:04] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 8
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:299)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:868)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2251)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:910)
at fr.lip6.move.gal.application.Application.start(Application.java:189)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:651)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:588)
at org.eclipse.equinox.launcher.Main.run(Main.java:1459)
at org.eclipse.equinox.launcher.Main.main(Main.java:1432)
[2025-06-01 10:23:04] [INFO ] [Real]Absence check using 3 positive place invariants in 28 ms returned sat
[2025-06-01 10:23:04] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:06] [INFO ] [Real]Absence check using state equation in 1446 ms returned sat
[2025-06-01 10:23:06] [INFO ] [Real]Added 479 Read/Feed constraints in 350 ms returned sat
[2025-06-01 10:23:07] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 32 ms returned sat
[2025-06-01 10:23:07] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:09] [INFO ] [Nat]Absence check using state equation in 1442 ms returned sat
[2025-06-01 10:23:09] [INFO ] [Nat]Added 479 Read/Feed constraints in 198 ms returned sat
[2025-06-01 10:23:09] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 494 ms.
[2025-06-01 10:23:10] [INFO ] Added : 2 causal constraints over 1 iterations in 1156 ms. Result :sat
Minimization took 610 ms.
[2025-06-01 10:23:11] [INFO ] [Real]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 10:23:11] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 10:23:12] [INFO ] [Real]Absence check using state equation in 1444 ms returned sat
[2025-06-01 10:23:13] [INFO ] [Real]Added 479 Read/Feed constraints in 194 ms returned sat
[2025-06-01 10:23:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 10:23:13] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2025-06-01 10:23:15] [INFO ] [Nat]Absence check using state equation in 1360 ms returned sat
[2025-06-01 10:23:15] [INFO ] [Nat]Added 479 Read/Feed constraints in 182 ms returned sat
[2025-06-01 10:23:16] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 640 ms.
[2025-06-01 10:23:16] [INFO ] Added : 2 causal constraints over 1 iterations in 1202 ms. Result :sat
Minimization took 609 ms.
[2025-06-01 10:23:17] [INFO ] [Real]Absence check using 3 positive place invariants in 30 ms returned sat
[2025-06-01 10:23:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:19] [INFO ] [Real]Absence check using state equation in 1410 ms returned sat
[2025-06-01 10:23:19] [INFO ] [Real]Added 479 Read/Feed constraints in 243 ms returned sat
[2025-06-01 10:23:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 18 ms returned sat
[2025-06-01 10:23:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:21] [INFO ] [Nat]Absence check using state equation in 1382 ms returned sat
[2025-06-01 10:23:21] [INFO ] [Nat]Added 479 Read/Feed constraints in 194 ms returned sat
[2025-06-01 10:23:22] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 542 ms.
[2025-06-01 10:23:22] [INFO ] Added : 2 causal constraints over 1 iterations in 1090 ms. Result :sat
Minimization took 611 ms.
[2025-06-01 10:23:23] [INFO ] [Real]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 10:23:23] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:25] [INFO ] [Real]Absence check using state equation in 1416 ms returned sat
[2025-06-01 10:23:25] [INFO ] [Real]Added 479 Read/Feed constraints in 169 ms returned sat
[2025-06-01 10:23:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 20 ms returned sat
[2025-06-01 10:23:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:27] [INFO ] [Nat]Absence check using state equation in 1495 ms returned sat
[2025-06-01 10:23:27] [INFO ] [Nat]Added 479 Read/Feed constraints in 149 ms returned sat
[2025-06-01 10:23:28] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 642 ms.
[2025-06-01 10:23:28] [INFO ] Added : 0 causal constraints over 0 iterations in 1096 ms. Result :sat
Minimization took 611 ms.
[2025-06-01 10:23:29] [INFO ] [Real]Absence check using 3 positive place invariants in 31 ms returned sat
[2025-06-01 10:23:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:31] [INFO ] [Real]Absence check using state equation in 1425 ms returned sat
[2025-06-01 10:23:31] [INFO ] [Real]Added 479 Read/Feed constraints in 164 ms returned sat
[2025-06-01 10:23:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 18 ms returned sat
[2025-06-01 10:23:31] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2025-06-01 10:23:33] [INFO ] [Nat]Absence check using state equation in 1385 ms returned sat
[2025-06-01 10:23:33] [INFO ] [Nat]Added 479 Read/Feed constraints in 185 ms returned sat
[2025-06-01 10:23:34] [INFO ] Computed and/alt/rep : 351/504/351 causal constraints (skipped 3187 transitions) in 700 ms.
[2025-06-01 10:23:34] [INFO ] Added : 2 causal constraints over 1 iterations in 1132 ms. Result :sat
Minimization took 592 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 5, 1, 4, 1, 1, 2, 1, 1, 5, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 4, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 5, 1, 4, 1, 1, 2, 1, 1, 5, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 4, 4]
Support contains 14 out of 1628 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Graph (complete) has 7332 edges and 1628 vertex of which 1422 are kept as prefixes of interest. Removing 206 places using SCC suffix rule.22 ms
Discarding 206 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 379 transitions
Reduce isomorphic transitions removed 379 transitions.
Iterating post reduction 0 with 379 rules applied. Total rules applied 380 place count 1422 transition count 5583
Discarding 298 places :
Symmetric choice reduction at 1 with 298 rule applications. Total rules 678 place count 1124 transition count 3333
Iterating global reduction 1 with 298 rules applied. Total rules applied 976 place count 1124 transition count 3333
Ensure Unique test removed 380 transitions
Reduce isomorphic transitions removed 380 transitions.
Iterating post reduction 1 with 380 rules applied. Total rules applied 1356 place count 1124 transition count 2953
Discarding 154 places :
Symmetric choice reduction at 2 with 154 rule applications. Total rules 1510 place count 970 transition count 2645
Iterating global reduction 2 with 154 rules applied. Total rules applied 1664 place count 970 transition count 2645
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Iterating post reduction 2 with 76 rules applied. Total rules applied 1740 place count 970 transition count 2569
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1753 place count 957 transition count 2543
Iterating global reduction 3 with 13 rules applied. Total rules applied 1766 place count 957 transition count 2543
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1779 place count 944 transition count 2517
Iterating global reduction 3 with 13 rules applied. Total rules applied 1792 place count 944 transition count 2517
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1805 place count 931 transition count 2491
Iterating global reduction 3 with 13 rules applied. Total rules applied 1818 place count 931 transition count 2491
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1831 place count 918 transition count 2465
Iterating global reduction 3 with 13 rules applied. Total rules applied 1844 place count 918 transition count 2465
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1857 place count 905 transition count 2439
Iterating global reduction 3 with 13 rules applied. Total rules applied 1870 place count 905 transition count 2439
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1883 place count 892 transition count 2413
Iterating global reduction 3 with 13 rules applied. Total rules applied 1896 place count 892 transition count 2413
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1909 place count 879 transition count 2387
Iterating global reduction 3 with 13 rules applied. Total rules applied 1922 place count 879 transition count 2387
Discarding 50 places :
Symmetric choice reduction at 3 with 50 rule applications. Total rules 1972 place count 829 transition count 2201
Iterating global reduction 3 with 50 rules applied. Total rules applied 2022 place count 829 transition count 2201
Discarding 55 places :
Symmetric choice reduction at 3 with 55 rule applications. Total rules 2077 place count 774 transition count 1981
Iterating global reduction 3 with 55 rules applied. Total rules applied 2132 place count 774 transition count 1981
Discarding 55 places :
Symmetric choice reduction at 3 with 55 rule applications. Total rules 2187 place count 719 transition count 1843
Iterating global reduction 3 with 55 rules applied. Total rules applied 2242 place count 719 transition count 1843
Discarding 55 places :
Symmetric choice reduction at 3 with 55 rule applications. Total rules 2297 place count 664 transition count 1733
Iterating global reduction 3 with 55 rules applied. Total rules applied 2352 place count 664 transition count 1733
Discarding 54 places :
Symmetric choice reduction at 3 with 54 rule applications. Total rules 2406 place count 610 transition count 1625
Iterating global reduction 3 with 54 rules applied. Total rules applied 2460 place count 610 transition count 1625
Discarding 54 places :
Symmetric choice reduction at 3 with 54 rule applications. Total rules 2514 place count 556 transition count 1517
Iterating global reduction 3 with 54 rules applied. Total rules applied 2568 place count 556 transition count 1517
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2621 place count 503 transition count 1411
Iterating global reduction 3 with 53 rules applied. Total rules applied 2674 place count 503 transition count 1411
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 2688 place count 489 transition count 1383
Iterating global reduction 3 with 14 rules applied. Total rules applied 2702 place count 489 transition count 1383
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 3 with 18 rules applied. Total rules applied 2720 place count 489 transition count 1365
Applied a total of 2720 rules in 1718 ms. Remains 489 /1628 variables (removed 1139) and now considering 1365/5962 (removed 4597) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1736 ms. Remains : 489/1628 places, 1365/5962 transitions.
[2025-06-01 10:23:36] [INFO ] Flow matrix only has 799 transitions (discarded 566 similar events)
Found an invariant !
This invariant on transitions {217=1, 365=1, 702=1, 790=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {234=1, 382=1, 719=1, 787=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 14) seen :[0, 0, 2, 3, 0, 0, 0, 3, 0, 0, 2, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 5, 2, 4, 1, 1, 2, 3, 1, 5, 2, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 4, 4]
[2025-06-01 10:23:37] [INFO ] Flow matrix only has 799 transitions (discarded 566 similar events)
// Phase 1: matrix 799 rows 489 cols
[2025-06-01 10:23:37] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 5, 2, 4, 1, 1, 2, 3, 1, 5, 2, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 4, 4]
RANDOM walk for 1000002 steps (2 resets) in 3412 ms. (292 steps per ms)
BEST_FIRST walk for 14000012 steps (28 resets) in 10673 ms. (1311 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 5, 5, 6, 4, 1, 4, 6, 1, 6, 5, 1, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 4, 4]
[2025-06-01 10:23:51] [INFO ] Flow matrix only has 799 transitions (discarded 566 similar events)
[2025-06-01 10:23:51] [INFO ] Invariant cache hit.
[2025-06-01 10:23:51] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:23:51] [INFO ] [Real]Absence check using state equation in 276 ms returned sat
[2025-06-01 10:23:51] [INFO ] State equation strengthened by 104 read => feed constraints.
[2025-06-01 10:23:52] [INFO ] [Real]Added 104 Read/Feed constraints in 56 ms returned sat
[2025-06-01 10:23:52] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:23:52] [INFO ] [Nat]Absence check using state equation in 318 ms returned sat
[2025-06-01 10:23:52] [INFO ] [Nat]Added 104 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:23:53] [INFO ] Deduced a trap composed of 86 places in 492 ms of which 9 ms to minimize.
[2025-06-01 10:23:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 616 ms
[2025-06-01 10:23:53] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 143 ms.
[2025-06-01 10:23:53] [INFO ] Added : 1 causal constraints over 1 iterations in 322 ms. Result :sat
Minimization took 549 ms.
[2025-06-01 10:23:54] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:23:54] [INFO ] [Real]Absence check using state equation in 438 ms returned sat
[2025-06-01 10:23:54] [INFO ] [Real]Added 104 Read/Feed constraints in 73 ms returned sat
[2025-06-01 10:23:54] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:23:55] [INFO ] [Nat]Absence check using state equation in 275 ms returned sat
[2025-06-01 10:23:55] [INFO ] [Nat]Added 104 Read/Feed constraints in 55 ms returned sat
[2025-06-01 10:23:55] [INFO ] Deduced a trap composed of 86 places in 506 ms of which 6 ms to minimize.
[2025-06-01 10:23:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 574 ms
[2025-06-01 10:23:55] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 109 ms.
[2025-06-01 10:23:56] [INFO ] Added : 2 causal constraints over 1 iterations in 235 ms. Result :sat
Minimization took 428 ms.
[2025-06-01 10:23:56] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:23:57] [INFO ] [Real]Absence check using state equation in 356 ms returned sat
[2025-06-01 10:23:57] [INFO ] [Real]Added 104 Read/Feed constraints in 64 ms returned sat
[2025-06-01 10:23:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:23:57] [INFO ] [Nat]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:23:57] [INFO ] [Nat]Added 104 Read/Feed constraints in 115 ms returned sat
[2025-06-01 10:23:57] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 140 ms.
[2025-06-01 10:23:58] [INFO ] Added : 3 causal constraints over 1 iterations in 314 ms. Result :sat
Minimization took 549 ms.
[2025-06-01 10:23:58] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:23:59] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2025-06-01 10:23:59] [INFO ] [Real]Added 104 Read/Feed constraints in 73 ms returned sat
[2025-06-01 10:23:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:23:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:24:00] [INFO ] [Nat]Absence check using state equation in 410 ms returned sat
[2025-06-01 10:24:00] [INFO ] [Nat]Added 104 Read/Feed constraints in 86 ms returned sat
[2025-06-01 10:24:00] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 144 ms.
[2025-06-01 10:24:00] [INFO ] Added : 1 causal constraints over 1 iterations in 315 ms. Result :sat
Minimization took 508 ms.
[2025-06-01 10:24:01] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:24:01] [INFO ] [Real]Absence check using state equation in 427 ms returned sat
[2025-06-01 10:24:01] [INFO ] [Real]Added 104 Read/Feed constraints in 72 ms returned sat
[2025-06-01 10:24:01] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:02] [INFO ] [Nat]Absence check using state equation in 396 ms returned sat
[2025-06-01 10:24:02] [INFO ] [Nat]Added 104 Read/Feed constraints in 110 ms returned sat
[2025-06-01 10:24:02] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 127 ms.
[2025-06-01 10:24:02] [INFO ] Added : 2 causal constraints over 1 iterations in 278 ms. Result :sat
Minimization took 539 ms.
[2025-06-01 10:24:03] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:24:03] [INFO ] [Real]Absence check using state equation in 431 ms returned sat
[2025-06-01 10:24:03] [INFO ] [Real]Added 104 Read/Feed constraints in 44 ms returned sat
[2025-06-01 10:24:03] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:24:04] [INFO ] [Nat]Absence check using state equation in 255 ms returned sat
[2025-06-01 10:24:04] [INFO ] [Nat]Added 104 Read/Feed constraints in 40 ms returned sat
[2025-06-01 10:24:04] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 146 ms.
[2025-06-01 10:24:04] [INFO ] Added : 0 causal constraints over 0 iterations in 259 ms. Result :sat
Minimization took 438 ms.
[2025-06-01 10:24:05] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:24:05] [INFO ] [Real]Absence check using state equation in 275 ms returned sat
[2025-06-01 10:24:05] [INFO ] [Real]Added 104 Read/Feed constraints in 48 ms returned sat
[2025-06-01 10:24:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:24:05] [INFO ] [Nat]Absence check using state equation in 283 ms returned sat
[2025-06-01 10:24:06] [INFO ] [Nat]Added 104 Read/Feed constraints in 52 ms returned sat
[2025-06-01 10:24:06] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 89 ms.
[2025-06-01 10:24:06] [INFO ] Added : 2 causal constraints over 1 iterations in 197 ms. Result :sat
Minimization took 358 ms.
[2025-06-01 10:24:06] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:24:07] [INFO ] [Real]Absence check using state equation in 276 ms returned sat
[2025-06-01 10:24:07] [INFO ] [Real]Added 104 Read/Feed constraints in 56 ms returned sat
[2025-06-01 10:24:07] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:24:07] [INFO ] [Nat]Absence check using state equation in 300 ms returned sat
[2025-06-01 10:24:07] [INFO ] [Nat]Added 104 Read/Feed constraints in 79 ms returned sat
[2025-06-01 10:24:07] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 114 ms.
[2025-06-01 10:24:07] [INFO ] Added : 2 causal constraints over 1 iterations in 257 ms. Result :sat
Minimization took 518 ms.
[2025-06-01 10:24:08] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:24:08] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2025-06-01 10:24:08] [INFO ] [Real]Added 104 Read/Feed constraints in 48 ms returned sat
[2025-06-01 10:24:08] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:09] [INFO ] [Nat]Absence check using state equation in 384 ms returned sat
[2025-06-01 10:24:09] [INFO ] [Nat]Added 104 Read/Feed constraints in 62 ms returned sat
[2025-06-01 10:24:10] [INFO ] Deduced a trap composed of 86 places in 642 ms of which 8 ms to minimize.
[2025-06-01 10:24:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 778 ms
[2025-06-01 10:24:10] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 148 ms.
[2025-06-01 10:24:10] [INFO ] Added : 2 causal constraints over 1 iterations in 327 ms. Result :sat
Minimization took 614 ms.
[2025-06-01 10:24:11] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:11] [INFO ] [Real]Absence check using state equation in 424 ms returned sat
[2025-06-01 10:24:11] [INFO ] [Real]Added 104 Read/Feed constraints in 95 ms returned sat
[2025-06-01 10:24:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:12] [INFO ] [Nat]Absence check using state equation in 422 ms returned sat
[2025-06-01 10:24:12] [INFO ] [Nat]Added 104 Read/Feed constraints in 106 ms returned sat
[2025-06-01 10:24:12] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 151 ms.
[2025-06-01 10:24:13] [INFO ] Added : 2 causal constraints over 1 iterations in 324 ms. Result :sat
Minimization took 537 ms.
[2025-06-01 10:24:13] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:14] [INFO ] [Real]Absence check using state equation in 423 ms returned sat
[2025-06-01 10:24:14] [INFO ] [Real]Added 104 Read/Feed constraints in 74 ms returned sat
[2025-06-01 10:24:14] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:14] [INFO ] [Nat]Absence check using state equation in 419 ms returned sat
[2025-06-01 10:24:14] [INFO ] [Nat]Added 104 Read/Feed constraints in 104 ms returned sat
[2025-06-01 10:24:15] [INFO ] Deduced a trap composed of 86 places in 630 ms of which 7 ms to minimize.
[2025-06-01 10:24:16] [INFO ] Deduced a trap composed of 79 places in 655 ms of which 8 ms to minimize.
[2025-06-01 10:24:16] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1417 ms
[2025-06-01 10:24:16] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 148 ms.
[2025-06-01 10:24:16] [INFO ] Added : 2 causal constraints over 1 iterations in 321 ms. Result :sat
Minimization took 543 ms.
[2025-06-01 10:24:17] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:17] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2025-06-01 10:24:17] [INFO ] [Real]Added 104 Read/Feed constraints in 37 ms returned sat
[2025-06-01 10:24:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:24:18] [INFO ] [Nat]Absence check using state equation in 280 ms returned sat
[2025-06-01 10:24:18] [INFO ] [Nat]Added 104 Read/Feed constraints in 34 ms returned sat
[2025-06-01 10:24:19] [INFO ] Deduced a trap composed of 86 places in 684 ms of which 8 ms to minimize.
[2025-06-01 10:24:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 785 ms
[2025-06-01 10:24:19] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 147 ms.
[2025-06-01 10:24:19] [INFO ] Added : 2 causal constraints over 1 iterations in 317 ms. Result :sat
Minimization took 542 ms.
[2025-06-01 10:24:20] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:20] [INFO ] [Real]Absence check using state equation in 438 ms returned sat
[2025-06-01 10:24:20] [INFO ] [Real]Added 104 Read/Feed constraints in 66 ms returned sat
[2025-06-01 10:24:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:21] [INFO ] [Nat]Absence check using state equation in 446 ms returned sat
[2025-06-01 10:24:21] [INFO ] [Nat]Added 104 Read/Feed constraints in 63 ms returned sat
[2025-06-01 10:24:21] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 147 ms.
[2025-06-01 10:24:21] [INFO ] Added : 0 causal constraints over 0 iterations in 258 ms. Result :sat
Minimization took 556 ms.
[2025-06-01 10:24:22] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:22] [INFO ] [Real]Absence check using state equation in 424 ms returned sat
[2025-06-01 10:24:23] [INFO ] [Real]Added 104 Read/Feed constraints in 69 ms returned sat
[2025-06-01 10:24:23] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:24:23] [INFO ] [Nat]Absence check using state equation in 418 ms returned sat
[2025-06-01 10:24:23] [INFO ] [Nat]Added 104 Read/Feed constraints in 126 ms returned sat
[2025-06-01 10:24:23] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 140 ms.
[2025-06-01 10:24:24] [INFO ] Added : 2 causal constraints over 1 iterations in 301 ms. Result :sat
Minimization took 712 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 5, 5, 6, 4, 1, 4, 6, 1, 6, 5, 1, 2, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, 4, +inf, +inf, +inf, +inf, +inf, +inf, 4, 4]
FORMULA FunctionPointer-PT-c004-UpperBounds-14 4 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FunctionPointer-PT-c004-UpperBounds-07 4 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 5, 5, 6, 4, 4, 6, 1, 6, 5, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 12 out of 489 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 489/489 places, 1365/1365 transitions.
Applied a total of 0 rules in 67 ms. Remains 489 /489 variables (removed 0) and now considering 1365/1365 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 489/489 places, 1365/1365 transitions.
[2025-06-01 10:24:25] [INFO ] Flow matrix only has 799 transitions (discarded 566 similar events)
Found an invariant !
This invariant on transitions {217=1, 365=1, 702=1, 790=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {234=1, 382=1, 719=1, 787=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 312 ms. (steps per millisecond=32 ) properties (out of 12) seen :[0, 0, 2147483647, 0, 0, 0, 0, 0, 3, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[4, 5, +inf, 6, 4, 4, 6, 1, 6, 5, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:24:25] [INFO ] Flow matrix only has 799 transitions (discarded 566 similar events)
[2025-06-01 10:24:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4, 5, +inf, 6, 4, 4, 6, 1, 6, 5, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000009 steps (2 resets) in 3297 ms. (303 steps per ms)
FORMULA FunctionPointer-PT-c004-UpperBounds-03 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 11000011 steps (22 resets) in 8546 ms. (1287 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 5, 7, 4, 4, 6, 1, 6, 5, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:24:37] [INFO ] Flow matrix only has 799 transitions (discarded 566 similar events)
[2025-06-01 10:24:37] [INFO ] Invariant cache hit.
[2025-06-01 10:24:37] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:24:38] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-01 10:24:38] [INFO ] State equation strengthened by 104 read => feed constraints.
[2025-06-01 10:24:38] [INFO ] [Real]Added 104 Read/Feed constraints in 57 ms returned sat
[2025-06-01 10:24:38] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:24:38] [INFO ] [Nat]Absence check using state equation in 399 ms returned sat
[2025-06-01 10:24:38] [INFO ] [Nat]Added 104 Read/Feed constraints in 76 ms returned sat
[2025-06-01 10:24:39] [INFO ] Deduced a trap composed of 86 places in 687 ms of which 7 ms to minimize.
[2025-06-01 10:24:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 822 ms
[2025-06-01 10:24:39] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 146 ms.
[2025-06-01 10:24:39] [INFO ] Added : 1 causal constraints over 1 iterations in 315 ms. Result :sat
Minimization took 541 ms.
[2025-06-01 10:24:40] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:41] [INFO ] [Real]Absence check using state equation in 417 ms returned sat
[2025-06-01 10:24:41] [INFO ] [Real]Added 104 Read/Feed constraints in 71 ms returned sat
[2025-06-01 10:24:41] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:41] [INFO ] [Nat]Absence check using state equation in 440 ms returned sat
[2025-06-01 10:24:41] [INFO ] [Nat]Added 104 Read/Feed constraints in 88 ms returned sat
[2025-06-01 10:24:42] [INFO ] Deduced a trap composed of 86 places in 672 ms of which 8 ms to minimize.
[2025-06-01 10:24:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 762 ms
[2025-06-01 10:24:42] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 146 ms.
[2025-06-01 10:24:42] [INFO ] Added : 2 causal constraints over 1 iterations in 321 ms. Result :sat
Minimization took 540 ms.
[2025-06-01 10:24:43] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:44] [INFO ] [Real]Absence check using state equation in 425 ms returned sat
[2025-06-01 10:24:44] [INFO ] [Real]Added 104 Read/Feed constraints in 76 ms returned sat
[2025-06-01 10:24:44] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:44] [INFO ] [Nat]Absence check using state equation in 427 ms returned sat
[2025-06-01 10:24:44] [INFO ] [Nat]Added 104 Read/Feed constraints in 93 ms returned sat
[2025-06-01 10:24:45] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 136 ms.
[2025-06-01 10:24:45] [INFO ] Added : 1 causal constraints over 1 iterations in 298 ms. Result :sat
Minimization took 530 ms.
[2025-06-01 10:24:45] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:24:46] [INFO ] [Real]Absence check using state equation in 368 ms returned sat
[2025-06-01 10:24:46] [INFO ] [Real]Added 104 Read/Feed constraints in 72 ms returned sat
[2025-06-01 10:24:46] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:24:47] [INFO ] [Nat]Absence check using state equation in 422 ms returned sat
[2025-06-01 10:24:47] [INFO ] [Nat]Added 104 Read/Feed constraints in 121 ms returned sat
[2025-06-01 10:24:47] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 147 ms.
[2025-06-01 10:24:47] [INFO ] Added : 2 causal constraints over 1 iterations in 321 ms. Result :sat
Minimization took 538 ms.
[2025-06-01 10:24:48] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:48] [INFO ] [Real]Absence check using state equation in 426 ms returned sat
[2025-06-01 10:24:48] [INFO ] [Real]Added 104 Read/Feed constraints in 84 ms returned sat
[2025-06-01 10:24:48] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:49] [INFO ] [Nat]Absence check using state equation in 426 ms returned sat
[2025-06-01 10:24:49] [INFO ] [Nat]Added 104 Read/Feed constraints in 83 ms returned sat
[2025-06-01 10:24:49] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 145 ms.
[2025-06-01 10:24:49] [INFO ] Added : 2 causal constraints over 1 iterations in 324 ms. Result :sat
Minimization took 538 ms.
[2025-06-01 10:24:50] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:24:51] [INFO ] [Real]Absence check using state equation in 417 ms returned sat
[2025-06-01 10:24:51] [INFO ] [Real]Added 104 Read/Feed constraints in 86 ms returned sat
[2025-06-01 10:24:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:51] [INFO ] [Nat]Absence check using state equation in 431 ms returned sat
[2025-06-01 10:24:51] [INFO ] [Nat]Added 104 Read/Feed constraints in 97 ms returned sat
[2025-06-01 10:24:52] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 144 ms.
[2025-06-01 10:24:52] [INFO ] Added : 2 causal constraints over 1 iterations in 313 ms. Result :sat
Minimization took 544 ms.
[2025-06-01 10:24:52] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:53] [INFO ] [Real]Absence check using state equation in 423 ms returned sat
[2025-06-01 10:24:53] [INFO ] [Real]Added 104 Read/Feed constraints in 61 ms returned sat
[2025-06-01 10:24:53] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:24:54] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 10:24:54] [INFO ] [Nat]Added 104 Read/Feed constraints in 75 ms returned sat
[2025-06-01 10:24:54] [INFO ] Deduced a trap composed of 86 places in 641 ms of which 8 ms to minimize.
[2025-06-01 10:24:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 789 ms
[2025-06-01 10:24:55] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 153 ms.
[2025-06-01 10:24:55] [INFO ] Added : 2 causal constraints over 1 iterations in 334 ms. Result :sat
Minimization took 620 ms.
[2025-06-01 10:24:56] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:24:56] [INFO ] [Real]Absence check using state equation in 281 ms returned sat
[2025-06-01 10:24:56] [INFO ] [Real]Added 104 Read/Feed constraints in 68 ms returned sat
[2025-06-01 10:24:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:57] [INFO ] [Nat]Absence check using state equation in 437 ms returned sat
[2025-06-01 10:24:57] [INFO ] [Nat]Added 104 Read/Feed constraints in 106 ms returned sat
[2025-06-01 10:24:57] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 149 ms.
[2025-06-01 10:24:57] [INFO ] Added : 2 causal constraints over 1 iterations in 331 ms. Result :sat
Minimization took 544 ms.
[2025-06-01 10:24:58] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:58] [INFO ] [Real]Absence check using state equation in 428 ms returned sat
[2025-06-01 10:24:58] [INFO ] [Real]Added 104 Read/Feed constraints in 73 ms returned sat
[2025-06-01 10:24:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:24:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:24:59] [INFO ] [Nat]Absence check using state equation in 393 ms returned sat
[2025-06-01 10:24:59] [INFO ] [Nat]Added 104 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:25:00] [INFO ] Deduced a trap composed of 86 places in 632 ms of which 7 ms to minimize.
[2025-06-01 10:25:00] [INFO ] Deduced a trap composed of 79 places in 509 ms of which 4 ms to minimize.
[2025-06-01 10:25:00] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1252 ms
[2025-06-01 10:25:00] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 89 ms.
[2025-06-01 10:25:00] [INFO ] Added : 2 causal constraints over 1 iterations in 194 ms. Result :sat
Minimization took 361 ms.
[2025-06-01 10:25:01] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:25:01] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2025-06-01 10:25:01] [INFO ] [Real]Added 104 Read/Feed constraints in 36 ms returned sat
[2025-06-01 10:25:01] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:25:02] [INFO ] [Nat]Absence check using state equation in 414 ms returned sat
[2025-06-01 10:25:02] [INFO ] [Nat]Added 104 Read/Feed constraints in 67 ms returned sat
[2025-06-01 10:25:02] [INFO ] Deduced a trap composed of 86 places in 451 ms of which 5 ms to minimize.
[2025-06-01 10:25:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 535 ms
[2025-06-01 10:25:02] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 89 ms.
[2025-06-01 10:25:03] [INFO ] Added : 2 causal constraints over 1 iterations in 189 ms. Result :sat
Minimization took 359 ms.
[2025-06-01 10:25:03] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:04] [INFO ] [Real]Absence check using state equation in 430 ms returned sat
[2025-06-01 10:25:04] [INFO ] [Real]Added 104 Read/Feed constraints in 73 ms returned sat
[2025-06-01 10:25:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:04] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-01 10:25:04] [INFO ] [Nat]Added 104 Read/Feed constraints in 76 ms returned sat
[2025-06-01 10:25:04] [INFO ] Computed and/alt/rep : 97/102/90 causal constraints (skipped 707 transitions) in 89 ms.
[2025-06-01 10:25:04] [INFO ] Added : 2 causal constraints over 1 iterations in 196 ms. Result :sat
Minimization took 489 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 5, 7, 4, 4, 6, 1, 6, 5, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 5, 7, 4, 4, 6, 1, 6, 5, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 489 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 489/489 places, 1365/1365 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 488 transition count 1363
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 488 transition count 1363
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 487 transition count 1361
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 487 transition count 1361
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 486 transition count 1359
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 486 transition count 1359
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 485 transition count 1357
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 485 transition count 1357
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 484 transition count 1355
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 484 transition count 1355
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 483 transition count 1353
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 483 transition count 1353
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 482 transition count 1351
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 482 transition count 1351
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 481 transition count 1347
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 481 transition count 1347
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 480 transition count 1345
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 480 transition count 1345
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 479 transition count 1343
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 479 transition count 1343
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 478 transition count 1341
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 478 transition count 1341
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 23 place count 477 transition count 1339
Iterating global reduction 0 with 1 rules applied. Total rules applied 24 place count 477 transition count 1339
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 25 place count 476 transition count 1337
Iterating global reduction 0 with 1 rules applied. Total rules applied 26 place count 476 transition count 1337
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 27 place count 475 transition count 1335
Iterating global reduction 0 with 1 rules applied. Total rules applied 28 place count 475 transition count 1335
Applied a total of 28 rules in 269 ms. Remains 475 /489 variables (removed 14) and now considering 1335/1365 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 270 ms. Remains : 475/489 places, 1335/1365 transitions.
[2025-06-01 10:25:05] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 11) seen :[2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4, 5, 7, 4, 4, 6, 2, 6, 5, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:25:06] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:25:06] [INFO ] Computed 3 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4, 5, 7, 4, 4, 6, 2, 6, 5, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000001 steps (2 resets) in 3604 ms. (277 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 8187 ms. (1343 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[570, 5, 988, 4, 4, 351, 2, 6, 5, 3, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:25:18] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:25:18] [INFO ] Invariant cache hit.
[2025-06-01 10:25:18] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:25:18] [INFO ] [Real]Absence check using state equation in 322 ms returned sat
[2025-06-01 10:25:18] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:25:18] [INFO ] [Real]Added 100 Read/Feed constraints in 95 ms returned sat
[2025-06-01 10:25:18] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:19] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-01 10:25:19] [INFO ] [Nat]Added 100 Read/Feed constraints in 75 ms returned sat
[2025-06-01 10:25:19] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:25:19] [INFO ] Added : 1 causal constraints over 1 iterations in 312 ms. Result :sat
Minimization took 564 ms.
[2025-06-01 10:25:20] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:20] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:25:20] [INFO ] [Real]Added 100 Read/Feed constraints in 73 ms returned sat
[2025-06-01 10:25:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:25:21] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2025-06-01 10:25:21] [INFO ] [Nat]Added 100 Read/Feed constraints in 86 ms returned sat
[2025-06-01 10:25:21] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 131 ms.
[2025-06-01 10:25:21] [INFO ] Added : 2 causal constraints over 1 iterations in 295 ms. Result :sat
Minimization took 548 ms.
[2025-06-01 10:25:22] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:23] [INFO ] [Real]Absence check using state equation in 405 ms returned sat
[2025-06-01 10:25:23] [INFO ] [Real]Added 100 Read/Feed constraints in 120 ms returned sat
[2025-06-01 10:25:23] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:25:23] [INFO ] [Nat]Absence check using state equation in 411 ms returned sat
[2025-06-01 10:25:23] [INFO ] [Nat]Added 100 Read/Feed constraints in 67 ms returned sat
[2025-06-01 10:25:24] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 87 ms.
[2025-06-01 10:25:24] [INFO ] Added : 1 causal constraints over 1 iterations in 188 ms. Result :sat
Minimization took 439 ms.
[2025-06-01 10:25:24] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:25] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:25:25] [INFO ] [Real]Added 100 Read/Feed constraints in 71 ms returned sat
[2025-06-01 10:25:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:25] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-01 10:25:25] [INFO ] [Nat]Added 100 Read/Feed constraints in 55 ms returned sat
[2025-06-01 10:25:26] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 90 ms.
[2025-06-01 10:25:26] [INFO ] Added : 2 causal constraints over 1 iterations in 191 ms. Result :sat
Minimization took 436 ms.
[2025-06-01 10:25:26] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:27] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:25:27] [INFO ] [Real]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:25:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:27] [INFO ] [Nat]Absence check using state equation in 393 ms returned sat
[2025-06-01 10:25:27] [INFO ] [Nat]Added 100 Read/Feed constraints in 40 ms returned sat
[2025-06-01 10:25:28] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 86 ms.
[2025-06-01 10:25:28] [INFO ] Added : 2 causal constraints over 1 iterations in 187 ms. Result :sat
Minimization took 435 ms.
[2025-06-01 10:25:28] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:25:29] [INFO ] [Real]Absence check using state equation in 417 ms returned sat
[2025-06-01 10:25:29] [INFO ] [Real]Added 100 Read/Feed constraints in 99 ms returned sat
[2025-06-01 10:25:29] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:25:29] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 10:25:30] [INFO ] [Nat]Added 100 Read/Feed constraints in 83 ms returned sat
[2025-06-01 10:25:30] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 131 ms.
[2025-06-01 10:25:30] [INFO ] Added : 2 causal constraints over 1 iterations in 290 ms. Result :sat
Minimization took 546 ms.
[2025-06-01 10:25:31] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:25:31] [INFO ] [Real]Absence check using state equation in 262 ms returned sat
[2025-06-01 10:25:31] [INFO ] [Real]Added 100 Read/Feed constraints in 35 ms returned sat
[2025-06-01 10:25:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:31] [INFO ] [Nat]Absence check using state equation in 417 ms returned sat
[2025-06-01 10:25:32] [INFO ] [Nat]Added 100 Read/Feed constraints in 136 ms returned sat
[2025-06-01 10:25:32] [INFO ] Deduced a trap composed of 78 places in 602 ms of which 7 ms to minimize.
[2025-06-01 10:25:33] [INFO ] Deduced a trap composed of 78 places in 598 ms of which 8 ms to minimize.
[2025-06-01 10:25:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1328 ms
[2025-06-01 10:25:33] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 151 ms.
[2025-06-01 10:25:33] [INFO ] Added : 2 causal constraints over 1 iterations in 319 ms. Result :sat
Minimization took 637 ms.
[2025-06-01 10:25:34] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:25:34] [INFO ] [Real]Absence check using state equation in 381 ms returned sat
[2025-06-01 10:25:34] [INFO ] [Real]Added 100 Read/Feed constraints in 75 ms returned sat
[2025-06-01 10:25:35] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:25:35] [INFO ] [Nat]Absence check using state equation in 382 ms returned sat
[2025-06-01 10:25:35] [INFO ] [Nat]Added 100 Read/Feed constraints in 72 ms returned sat
[2025-06-01 10:25:35] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:25:35] [INFO ] Added : 2 causal constraints over 1 iterations in 314 ms. Result :sat
Minimization took 541 ms.
[2025-06-01 10:25:36] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:25:37] [INFO ] [Real]Absence check using state equation in 410 ms returned sat
[2025-06-01 10:25:37] [INFO ] [Real]Added 100 Read/Feed constraints in 62 ms returned sat
[2025-06-01 10:25:37] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:37] [INFO ] [Nat]Absence check using state equation in 421 ms returned sat
[2025-06-01 10:25:37] [INFO ] [Nat]Added 100 Read/Feed constraints in 86 ms returned sat
[2025-06-01 10:25:38] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 134 ms.
[2025-06-01 10:25:38] [INFO ] Added : 2 causal constraints over 1 iterations in 294 ms. Result :sat
Minimization took 534 ms.
[2025-06-01 10:25:38] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:39] [INFO ] [Real]Absence check using state equation in 418 ms returned sat
[2025-06-01 10:25:39] [INFO ] [Real]Added 100 Read/Feed constraints in 84 ms returned sat
[2025-06-01 10:25:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:40] [INFO ] [Nat]Absence check using state equation in 389 ms returned sat
[2025-06-01 10:25:40] [INFO ] [Nat]Added 100 Read/Feed constraints in 80 ms returned sat
[2025-06-01 10:25:40] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 145 ms.
[2025-06-01 10:25:40] [INFO ] Added : 2 causal constraints over 1 iterations in 313 ms. Result :sat
Minimization took 543 ms.
[2025-06-01 10:25:41] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:25:41] [INFO ] [Real]Absence check using state equation in 421 ms returned sat
[2025-06-01 10:25:41] [INFO ] [Real]Added 100 Read/Feed constraints in 89 ms returned sat
[2025-06-01 10:25:41] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:25:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:25:42] [INFO ] [Nat]Absence check using state equation in 434 ms returned sat
[2025-06-01 10:25:42] [INFO ] [Nat]Added 100 Read/Feed constraints in 101 ms returned sat
[2025-06-01 10:25:42] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 141 ms.
[2025-06-01 10:25:42] [INFO ] Added : 2 causal constraints over 1 iterations in 311 ms. Result :sat
Minimization took 659 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[570, 5, 988, 4, 4, 351, 2, 6, 5, 3, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[570, 6, 988, 4, 4, 351, 3, 6, 5, 3, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 60 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 475/475 places, 1335/1335 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 60 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
[2025-06-01 10:25:45] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:25:45] [INFO ] Invariant cache hit.
[2025-06-01 10:25:46] [INFO ] Implicit Places using invariants in 882 ms returned []
[2025-06-01 10:25:46] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:25:46] [INFO ] Invariant cache hit.
[2025-06-01 10:25:47] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:25:49] [INFO ] Implicit Places using invariants and state equation in 2676 ms returned []
Implicit Place search using SMT with State Equation took 3560 ms to find 0 implicit places.
[2025-06-01 10:25:49] [INFO ] Redundant transitions in 90 ms returned []
Running 1333 sub problems to find dead transitions.
[2025-06-01 10:25:49] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:25:49] [INFO ] Invariant cache hit.
[2025-06-01 10:25:49] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
[2025-06-01 10:26:20] [INFO ] Deduced a trap composed of 131 places in 460 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1253 variables, and 4 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 30084 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/475 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 3 (OVERLAPS) 778/1253 variables, 475/479 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 100/579 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 31138 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
After SMT, in 67085ms problems are : Problem set: 0 solved, 1333 unsolved
Search for dead transitions found 0 dead transitions in 67121ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70856 ms. Remains : 475/475 places, 1335/1335 transitions.
[2025-06-01 10:26:56] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 11) seen :[2, 2, 0, 2, 0, 3, 3, 0, 0, 0, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[570, 6, 988, 4, 4, 351, 3, 6, 5, 3, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:26:56] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:26:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[570, 6, 988, 4, 4, 351, 3, 6, 5, 3, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000000 steps (2 resets) in 3631 ms. (275 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 8460 ms. (1300 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[570, 6, 988, 11, 4, 351, 3, 6, 5, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:27:08] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:27:08] [INFO ] Invariant cache hit.
[2025-06-01 10:27:08] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:27:09] [INFO ] [Real]Absence check using state equation in 280 ms returned sat
[2025-06-01 10:27:09] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:27:09] [INFO ] [Real]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:27:09] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:09] [INFO ] [Nat]Absence check using state equation in 423 ms returned sat
[2025-06-01 10:27:10] [INFO ] [Nat]Added 100 Read/Feed constraints in 90 ms returned sat
[2025-06-01 10:27:10] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 142 ms.
[2025-06-01 10:27:10] [INFO ] Added : 1 causal constraints over 1 iterations in 311 ms. Result :sat
Minimization took 562 ms.
[2025-06-01 10:27:11] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:11] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:27:11] [INFO ] [Real]Added 100 Read/Feed constraints in 82 ms returned sat
[2025-06-01 10:27:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:27:12] [INFO ] [Nat]Absence check using state equation in 427 ms returned sat
[2025-06-01 10:27:12] [INFO ] [Nat]Added 100 Read/Feed constraints in 96 ms returned sat
[2025-06-01 10:27:12] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:27:12] [INFO ] Added : 2 causal constraints over 1 iterations in 309 ms. Result :sat
Minimization took 558 ms.
[2025-06-01 10:27:13] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:27:13] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2025-06-01 10:27:13] [INFO ] [Real]Added 100 Read/Feed constraints in 73 ms returned sat
[2025-06-01 10:27:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:27:14] [INFO ] [Nat]Absence check using state equation in 273 ms returned sat
[2025-06-01 10:27:14] [INFO ] [Nat]Added 100 Read/Feed constraints in 64 ms returned sat
[2025-06-01 10:27:14] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 122 ms.
[2025-06-01 10:27:14] [INFO ] Added : 1 causal constraints over 1 iterations in 279 ms. Result :sat
Minimization took 537 ms.
[2025-06-01 10:27:15] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:15] [INFO ] [Real]Absence check using state equation in 420 ms returned sat
[2025-06-01 10:27:15] [INFO ] [Real]Added 100 Read/Feed constraints in 83 ms returned sat
[2025-06-01 10:27:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:27:16] [INFO ] [Nat]Absence check using state equation in 376 ms returned sat
[2025-06-01 10:27:16] [INFO ] [Nat]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:27:16] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 123 ms.
[2025-06-01 10:27:16] [INFO ] Added : 2 causal constraints over 1 iterations in 268 ms. Result :sat
Minimization took 547 ms.
[2025-06-01 10:27:17] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:27:17] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2025-06-01 10:27:17] [INFO ] [Real]Added 100 Read/Feed constraints in 51 ms returned sat
[2025-06-01 10:27:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:18] [INFO ] [Nat]Absence check using state equation in 392 ms returned sat
[2025-06-01 10:27:18] [INFO ] [Nat]Added 100 Read/Feed constraints in 39 ms returned sat
[2025-06-01 10:27:18] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 89 ms.
[2025-06-01 10:27:18] [INFO ] Added : 2 causal constraints over 1 iterations in 191 ms. Result :sat
Minimization took 388 ms.
[2025-06-01 10:27:19] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:27:19] [INFO ] [Real]Absence check using state equation in 354 ms returned sat
[2025-06-01 10:27:19] [INFO ] [Real]Added 100 Read/Feed constraints in 106 ms returned sat
[2025-06-01 10:27:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:20] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 10:27:20] [INFO ] [Nat]Added 100 Read/Feed constraints in 90 ms returned sat
[2025-06-01 10:27:20] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 131 ms.
[2025-06-01 10:27:20] [INFO ] Added : 2 causal constraints over 1 iterations in 291 ms. Result :sat
Minimization took 552 ms.
[2025-06-01 10:27:21] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:21] [INFO ] [Real]Absence check using state equation in 419 ms returned sat
[2025-06-01 10:27:21] [INFO ] [Real]Added 100 Read/Feed constraints in 32 ms returned sat
[2025-06-01 10:27:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:27:22] [INFO ] [Nat]Absence check using state equation in 277 ms returned sat
[2025-06-01 10:27:22] [INFO ] [Nat]Added 100 Read/Feed constraints in 110 ms returned sat
[2025-06-01 10:27:23] [INFO ] Deduced a trap composed of 78 places in 630 ms of which 7 ms to minimize.
[2025-06-01 10:27:23] [INFO ] Deduced a trap composed of 131 places in 650 ms of which 7 ms to minimize.
[2025-06-01 10:27:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1408 ms
[2025-06-01 10:27:23] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 147 ms.
[2025-06-01 10:27:24] [INFO ] Added : 2 causal constraints over 1 iterations in 315 ms. Result :sat
Minimization took 645 ms.
[2025-06-01 10:27:24] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:27:25] [INFO ] [Real]Absence check using state equation in 421 ms returned sat
[2025-06-01 10:27:25] [INFO ] [Real]Added 100 Read/Feed constraints in 90 ms returned sat
[2025-06-01 10:27:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:26] [INFO ] [Nat]Absence check using state equation in 420 ms returned sat
[2025-06-01 10:27:26] [INFO ] [Nat]Added 100 Read/Feed constraints in 89 ms returned sat
[2025-06-01 10:27:26] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 149 ms.
[2025-06-01 10:27:26] [INFO ] Added : 2 causal constraints over 1 iterations in 321 ms. Result :sat
Minimization took 550 ms.
[2025-06-01 10:27:27] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:27] [INFO ] [Real]Absence check using state equation in 421 ms returned sat
[2025-06-01 10:27:27] [INFO ] [Real]Added 100 Read/Feed constraints in 67 ms returned sat
[2025-06-01 10:27:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:27:28] [INFO ] [Nat]Absence check using state equation in 401 ms returned sat
[2025-06-01 10:27:28] [INFO ] [Nat]Added 100 Read/Feed constraints in 89 ms returned sat
[2025-06-01 10:27:28] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 198 ms.
[2025-06-01 10:27:28] [INFO ] Added : 2 causal constraints over 1 iterations in 367 ms. Result :sat
Minimization took 557 ms.
[2025-06-01 10:27:29] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:30] [INFO ] [Real]Absence check using state equation in 428 ms returned sat
[2025-06-01 10:27:30] [INFO ] [Real]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:27:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:30] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 10:27:30] [INFO ] [Nat]Added 100 Read/Feed constraints in 96 ms returned sat
[2025-06-01 10:27:31] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 137 ms.
[2025-06-01 10:27:31] [INFO ] Added : 2 causal constraints over 1 iterations in 302 ms. Result :sat
Minimization took 544 ms.
[2025-06-01 10:27:31] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:27:32] [INFO ] [Real]Absence check using state equation in 280 ms returned sat
[2025-06-01 10:27:32] [INFO ] [Real]Added 100 Read/Feed constraints in 48 ms returned sat
[2025-06-01 10:27:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:27:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:27:32] [INFO ] [Nat]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:27:32] [INFO ] [Nat]Added 100 Read/Feed constraints in 62 ms returned sat
[2025-06-01 10:27:33] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 86 ms.
[2025-06-01 10:27:33] [INFO ] Added : 2 causal constraints over 1 iterations in 192 ms. Result :sat
Minimization took 541 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[570, 6, 988, 11, 4, 351, 3, 6, 5, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[570, 6, 988, 11, 4, 351, 3, 6, 5, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 66 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 475/475 places, 1335/1335 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 63 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
[2025-06-01 10:27:35] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:27:35] [INFO ] Invariant cache hit.
[2025-06-01 10:27:36] [INFO ] Implicit Places using invariants in 618 ms returned []
[2025-06-01 10:27:36] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:27:36] [INFO ] Invariant cache hit.
[2025-06-01 10:27:37] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:27:39] [INFO ] Implicit Places using invariants and state equation in 2921 ms returned []
Implicit Place search using SMT with State Equation took 3540 ms to find 0 implicit places.
[2025-06-01 10:27:39] [INFO ] Redundant transitions in 140 ms returned []
Running 1333 sub problems to find dead transitions.
[2025-06-01 10:27:39] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:27:39] [INFO ] Invariant cache hit.
[2025-06-01 10:27:39] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
[2025-06-01 10:28:09] [INFO ] Deduced a trap composed of 131 places in 445 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1253 variables, and 4 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/475 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 3 (OVERLAPS) 778/1253 variables, 475/479 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 100/579 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 31165 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
After SMT, in 67061ms problems are : Problem set: 0 solved, 1333 unsolved
Search for dead transitions found 0 dead transitions in 67085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70840 ms. Remains : 475/475 places, 1335/1335 transitions.
[2025-06-01 10:28:46] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 11) seen :[0, 0, 4, 0, 0, 0, 1, 0, 0, 0, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[570, 6, 988, 11, 4, 351, 3, 6, 5, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:28:47] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:28:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[570, 6, 988, 11, 4, 351, 3, 6, 5, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000004 steps (2 resets) in 3758 ms. (266 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 8714 ms. (1262 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[570, 163, 988, 11, 4, 351, 3, 7, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:28:59] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:28:59] [INFO ] Invariant cache hit.
[2025-06-01 10:28:59] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:29:00] [INFO ] [Real]Absence check using state equation in 286 ms returned sat
[2025-06-01 10:29:00] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:29:00] [INFO ] [Real]Added 100 Read/Feed constraints in 70 ms returned sat
[2025-06-01 10:29:00] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:00] [INFO ] [Nat]Absence check using state equation in 284 ms returned sat
[2025-06-01 10:29:00] [INFO ] [Nat]Added 100 Read/Feed constraints in 57 ms returned sat
[2025-06-01 10:29:00] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:29:00] [INFO ] Added : 1 causal constraints over 1 iterations in 195 ms. Result :sat
Minimization took 383 ms.
[2025-06-01 10:29:01] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:01] [INFO ] [Real]Absence check using state equation in 309 ms returned sat
[2025-06-01 10:29:01] [INFO ] [Real]Added 100 Read/Feed constraints in 70 ms returned sat
[2025-06-01 10:29:01] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:29:02] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-01 10:29:02] [INFO ] [Nat]Added 100 Read/Feed constraints in 68 ms returned sat
[2025-06-01 10:29:02] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 93 ms.
[2025-06-01 10:29:02] [INFO ] Added : 2 causal constraints over 1 iterations in 201 ms. Result :sat
Minimization took 389 ms.
[2025-06-01 10:29:02] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:03] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2025-06-01 10:29:03] [INFO ] [Real]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:29:03] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:03] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-01 10:29:03] [INFO ] [Nat]Added 100 Read/Feed constraints in 76 ms returned sat
[2025-06-01 10:29:03] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 91 ms.
[2025-06-01 10:29:04] [INFO ] Added : 1 causal constraints over 1 iterations in 199 ms. Result :sat
Minimization took 384 ms.
[2025-06-01 10:29:04] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:04] [INFO ] [Real]Absence check using state equation in 277 ms returned sat
[2025-06-01 10:29:04] [INFO ] [Real]Added 100 Read/Feed constraints in 59 ms returned sat
[2025-06-01 10:29:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:29:05] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-01 10:29:05] [INFO ] [Nat]Added 100 Read/Feed constraints in 69 ms returned sat
[2025-06-01 10:29:05] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 90 ms.
[2025-06-01 10:29:05] [INFO ] Added : 2 causal constraints over 1 iterations in 199 ms. Result :sat
Minimization took 387 ms.
[2025-06-01 10:29:06] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:29:06] [INFO ] [Real]Absence check using state equation in 279 ms returned sat
[2025-06-01 10:29:06] [INFO ] [Real]Added 100 Read/Feed constraints in 60 ms returned sat
[2025-06-01 10:29:06] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:06] [INFO ] [Nat]Absence check using state equation in 281 ms returned sat
[2025-06-01 10:29:06] [INFO ] [Nat]Added 100 Read/Feed constraints in 45 ms returned sat
[2025-06-01 10:29:07] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 92 ms.
[2025-06-01 10:29:07] [INFO ] Added : 2 causal constraints over 1 iterations in 199 ms. Result :sat
Minimization took 380 ms.
[2025-06-01 10:29:07] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:08] [INFO ] [Real]Absence check using state equation in 287 ms returned sat
[2025-06-01 10:29:08] [INFO ] [Real]Added 100 Read/Feed constraints in 67 ms returned sat
[2025-06-01 10:29:08] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:08] [INFO ] [Nat]Absence check using state equation in 285 ms returned sat
[2025-06-01 10:29:08] [INFO ] [Nat]Added 100 Read/Feed constraints in 60 ms returned sat
[2025-06-01 10:29:08] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 135 ms.
[2025-06-01 10:29:08] [INFO ] Added : 2 causal constraints over 1 iterations in 243 ms. Result :sat
Minimization took 392 ms.
[2025-06-01 10:29:09] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:09] [INFO ] [Real]Absence check using state equation in 289 ms returned sat
[2025-06-01 10:29:09] [INFO ] [Real]Added 100 Read/Feed constraints in 33 ms returned sat
[2025-06-01 10:29:09] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:10] [INFO ] [Nat]Absence check using state equation in 291 ms returned sat
[2025-06-01 10:29:10] [INFO ] [Nat]Added 100 Read/Feed constraints in 97 ms returned sat
[2025-06-01 10:29:10] [INFO ] Deduced a trap composed of 78 places in 452 ms of which 5 ms to minimize.
[2025-06-01 10:29:11] [INFO ] Deduced a trap composed of 131 places in 465 ms of which 6 ms to minimize.
[2025-06-01 10:29:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 999 ms
[2025-06-01 10:29:11] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 87 ms.
[2025-06-01 10:29:11] [INFO ] Added : 2 causal constraints over 1 iterations in 195 ms. Result :sat
Minimization took 434 ms.
[2025-06-01 10:29:11] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:12] [INFO ] [Real]Absence check using state equation in 291 ms returned sat
[2025-06-01 10:29:12] [INFO ] [Real]Added 100 Read/Feed constraints in 53 ms returned sat
[2025-06-01 10:29:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:12] [INFO ] [Nat]Absence check using state equation in 260 ms returned sat
[2025-06-01 10:29:12] [INFO ] [Nat]Added 100 Read/Feed constraints in 49 ms returned sat
[2025-06-01 10:29:12] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 90 ms.
[2025-06-01 10:29:12] [INFO ] Added : 2 causal constraints over 1 iterations in 191 ms. Result :sat
Minimization took 355 ms.
[2025-06-01 10:29:13] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:13] [INFO ] [Real]Absence check using state equation in 269 ms returned sat
[2025-06-01 10:29:13] [INFO ] [Real]Added 100 Read/Feed constraints in 69 ms returned sat
[2025-06-01 10:29:13] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:29:14] [INFO ] [Nat]Absence check using state equation in 267 ms returned sat
[2025-06-01 10:29:14] [INFO ] [Nat]Added 100 Read/Feed constraints in 53 ms returned sat
[2025-06-01 10:29:14] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:29:14] [INFO ] Added : 2 causal constraints over 1 iterations in 196 ms. Result :sat
Minimization took 369 ms.
[2025-06-01 10:29:14] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:15] [INFO ] [Real]Absence check using state equation in 293 ms returned sat
[2025-06-01 10:29:15] [INFO ] [Real]Added 100 Read/Feed constraints in 52 ms returned sat
[2025-06-01 10:29:15] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:15] [INFO ] [Nat]Absence check using state equation in 289 ms returned sat
[2025-06-01 10:29:15] [INFO ] [Nat]Added 100 Read/Feed constraints in 68 ms returned sat
[2025-06-01 10:29:15] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 89 ms.
[2025-06-01 10:29:16] [INFO ] Added : 2 causal constraints over 1 iterations in 195 ms. Result :sat
Minimization took 371 ms.
[2025-06-01 10:29:16] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:16] [INFO ] [Real]Absence check using state equation in 286 ms returned sat
[2025-06-01 10:29:16] [INFO ] [Real]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:29:16] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:29:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:29:17] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2025-06-01 10:29:17] [INFO ] [Nat]Added 100 Read/Feed constraints in 59 ms returned sat
[2025-06-01 10:29:17] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:29:17] [INFO ] Added : 2 causal constraints over 1 iterations in 194 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[570, 163, 988, 11, 4, 351, 3, 7, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[570, 163, 988, 11, 4, 351, 3, 7, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 60 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 475/475 places, 1335/1335 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 61 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
[2025-06-01 10:29:23] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:29:23] [INFO ] Invariant cache hit.
[2025-06-01 10:29:24] [INFO ] Implicit Places using invariants in 630 ms returned []
[2025-06-01 10:29:24] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:29:24] [INFO ] Invariant cache hit.
[2025-06-01 10:29:24] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:29:26] [INFO ] Implicit Places using invariants and state equation in 2017 ms returned []
Implicit Place search using SMT with State Equation took 2648 ms to find 0 implicit places.
[2025-06-01 10:29:26] [INFO ] Redundant transitions in 37 ms returned []
Running 1333 sub problems to find dead transitions.
[2025-06-01 10:29:26] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:29:26] [INFO ] Invariant cache hit.
[2025-06-01 10:29:26] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
[2025-06-01 10:29:47] [INFO ] Deduced a trap composed of 131 places in 289 ms of which 4 ms to minimize.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1253 variables, and 4 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/475 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 3 (OVERLAPS) 778/1253 variables, 475/479 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 100/579 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 31112 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
After SMT, in 66477ms problems are : Problem set: 0 solved, 1333 unsolved
Search for dead transitions found 0 dead transitions in 66494ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69247 ms. Remains : 475/475 places, 1335/1335 transitions.
[2025-06-01 10:30:32] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 2 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 124 ms. (steps per millisecond=80 ) properties (out of 11) seen :[0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[570, 163, 988, 11, 4, 351, 3, 7, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:30:33] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:30:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[570, 163, 988, 11, 4, 351, 3, 7, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000000 steps (2 resets) in 3468 ms. (288 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 8218 ms. (1338 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:30:44] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:30:44] [INFO ] Invariant cache hit.
[2025-06-01 10:30:44] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:30:45] [INFO ] [Real]Absence check using state equation in 257 ms returned sat
[2025-06-01 10:30:45] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:30:45] [INFO ] [Real]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:30:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:30:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:30:45] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2025-06-01 10:30:45] [INFO ] [Nat]Added 100 Read/Feed constraints in 60 ms returned sat
[2025-06-01 10:30:45] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:30:46] [INFO ] Added : 1 causal constraints over 1 iterations in 188 ms. Result :sat
Minimization took 365 ms.
[2025-06-01 10:30:46] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:30:46] [INFO ] [Real]Absence check using state equation in 410 ms returned sat
[2025-06-01 10:30:47] [INFO ] [Real]Added 100 Read/Feed constraints in 78 ms returned sat
[2025-06-01 10:30:47] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:30:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:30:47] [INFO ] [Nat]Absence check using state equation in 411 ms returned sat
[2025-06-01 10:30:47] [INFO ] [Nat]Added 100 Read/Feed constraints in 84 ms returned sat
[2025-06-01 10:30:47] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 139 ms.
[2025-06-01 10:30:48] [INFO ] Added : 2 causal constraints over 1 iterations in 305 ms. Result :sat
Minimization took 553 ms.
[2025-06-01 10:30:48] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:30:49] [INFO ] [Real]Absence check using state equation in 409 ms returned sat
[2025-06-01 10:30:49] [INFO ] [Real]Added 100 Read/Feed constraints in 109 ms returned sat
[2025-06-01 10:30:49] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:30:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:30:49] [INFO ] [Nat]Absence check using state equation in 394 ms returned sat
[2025-06-01 10:30:50] [INFO ] [Nat]Added 100 Read/Feed constraints in 96 ms returned sat
[2025-06-01 10:30:50] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 142 ms.
[2025-06-01 10:30:50] [INFO ] Added : 1 causal constraints over 1 iterations in 311 ms. Result :sat
Minimization took 540 ms.
[2025-06-01 10:30:51] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:30:51] [INFO ] [Real]Absence check using state equation in 413 ms returned sat
[2025-06-01 10:30:51] [INFO ] [Real]Added 100 Read/Feed constraints in 86 ms returned sat
[2025-06-01 10:30:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:30:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:30:52] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-01 10:30:52] [INFO ] [Nat]Added 100 Read/Feed constraints in 94 ms returned sat
[2025-06-01 10:30:52] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 142 ms.
[2025-06-01 10:30:52] [INFO ] Added : 2 causal constraints over 1 iterations in 312 ms. Result :sat
Minimization took 522 ms.
[2025-06-01 10:30:53] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:30:53] [INFO ] [Real]Absence check using state equation in 383 ms returned sat
[2025-06-01 10:30:53] [INFO ] [Real]Added 100 Read/Feed constraints in 78 ms returned sat
[2025-06-01 10:30:53] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:30:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:30:54] [INFO ] [Nat]Absence check using state equation in 376 ms returned sat
[2025-06-01 10:30:54] [INFO ] [Nat]Added 100 Read/Feed constraints in 69 ms returned sat
[2025-06-01 10:30:54] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 144 ms.
[2025-06-01 10:30:54] [INFO ] Added : 2 causal constraints over 1 iterations in 312 ms. Result :sat
Minimization took 531 ms.
[2025-06-01 10:30:55] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:30:56] [INFO ] [Real]Absence check using state equation in 394 ms returned sat
[2025-06-01 10:30:56] [INFO ] [Real]Added 100 Read/Feed constraints in 100 ms returned sat
[2025-06-01 10:30:56] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:30:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:30:56] [INFO ] [Nat]Absence check using state equation in 409 ms returned sat
[2025-06-01 10:30:56] [INFO ] [Nat]Added 100 Read/Feed constraints in 89 ms returned sat
[2025-06-01 10:30:57] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 131 ms.
[2025-06-01 10:30:57] [INFO ] Added : 2 causal constraints over 1 iterations in 288 ms. Result :sat
Minimization took 531 ms.
[2025-06-01 10:30:57] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:30:58] [INFO ] [Real]Absence check using state equation in 424 ms returned sat
[2025-06-01 10:30:58] [INFO ] [Real]Added 100 Read/Feed constraints in 52 ms returned sat
[2025-06-01 10:30:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:30:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:30:58] [INFO ] [Nat]Absence check using state equation in 387 ms returned sat
[2025-06-01 10:30:59] [INFO ] [Nat]Added 100 Read/Feed constraints in 124 ms returned sat
[2025-06-01 10:30:59] [INFO ] Deduced a trap composed of 78 places in 607 ms of which 8 ms to minimize.
[2025-06-01 10:31:00] [INFO ] Deduced a trap composed of 131 places in 648 ms of which 9 ms to minimize.
[2025-06-01 10:31:00] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1376 ms
[2025-06-01 10:31:00] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 133 ms.
[2025-06-01 10:31:00] [INFO ] Added : 2 causal constraints over 1 iterations in 288 ms. Result :sat
Minimization took 613 ms.
[2025-06-01 10:31:01] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:31:01] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2025-06-01 10:31:01] [INFO ] [Real]Added 100 Read/Feed constraints in 47 ms returned sat
[2025-06-01 10:31:01] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:31:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:31:02] [INFO ] [Nat]Absence check using state equation in 257 ms returned sat
[2025-06-01 10:31:02] [INFO ] [Nat]Added 100 Read/Feed constraints in 48 ms returned sat
[2025-06-01 10:31:02] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 89 ms.
[2025-06-01 10:31:02] [INFO ] Added : 2 causal constraints over 1 iterations in 244 ms. Result :sat
Minimization took 553 ms.
[2025-06-01 10:31:03] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:31:03] [INFO ] [Real]Absence check using state equation in 417 ms returned sat
[2025-06-01 10:31:03] [INFO ] [Real]Added 100 Read/Feed constraints in 117 ms returned sat
[2025-06-01 10:31:03] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:31:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:31:04] [INFO ] [Nat]Absence check using state equation in 415 ms returned sat
[2025-06-01 10:31:04] [INFO ] [Nat]Added 100 Read/Feed constraints in 89 ms returned sat
[2025-06-01 10:31:04] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 134 ms.
[2025-06-01 10:31:04] [INFO ] Added : 2 causal constraints over 1 iterations in 291 ms. Result :sat
Minimization took 538 ms.
[2025-06-01 10:31:05] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:31:05] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2025-06-01 10:31:05] [INFO ] [Real]Added 100 Read/Feed constraints in 47 ms returned sat
[2025-06-01 10:31:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:31:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:31:06] [INFO ] [Nat]Absence check using state equation in 423 ms returned sat
[2025-06-01 10:31:06] [INFO ] [Nat]Added 100 Read/Feed constraints in 98 ms returned sat
[2025-06-01 10:31:06] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 133 ms.
[2025-06-01 10:31:06] [INFO ] Added : 2 causal constraints over 1 iterations in 290 ms. Result :sat
Minimization took 545 ms.
[2025-06-01 10:31:07] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:31:07] [INFO ] [Real]Absence check using state equation in 260 ms returned sat
[2025-06-01 10:31:07] [INFO ] [Real]Added 100 Read/Feed constraints in 51 ms returned sat
[2025-06-01 10:31:07] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:31:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:31:08] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2025-06-01 10:31:08] [INFO ] [Nat]Added 100 Read/Feed constraints in 87 ms returned sat
[2025-06-01 10:31:08] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:31:08] [INFO ] Added : 2 causal constraints over 1 iterations in 301 ms. Result :sat
Minimization took 502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 60 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 475/475 places, 1335/1335 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 64 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
[2025-06-01 10:31:14] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:31:14] [INFO ] Invariant cache hit.
[2025-06-01 10:31:15] [INFO ] Implicit Places using invariants in 915 ms returned []
[2025-06-01 10:31:15] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:31:15] [INFO ] Invariant cache hit.
[2025-06-01 10:31:15] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:31:18] [INFO ] Implicit Places using invariants and state equation in 3047 ms returned []
Implicit Place search using SMT with State Equation took 3963 ms to find 0 implicit places.
[2025-06-01 10:31:18] [INFO ] Redundant transitions in 43 ms returned []
Running 1333 sub problems to find dead transitions.
[2025-06-01 10:31:18] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:31:18] [INFO ] Invariant cache hit.
[2025-06-01 10:31:18] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
[2025-06-01 10:31:46] [INFO ] Deduced a trap composed of 131 places in 467 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1253 variables, and 4 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/475 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 3 (OVERLAPS) 778/1253 variables, 475/479 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 100/579 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 31095 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
After SMT, in 66759ms problems are : Problem set: 0 solved, 1333 unsolved
Search for dead transitions found 0 dead transitions in 66783ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70864 ms. Remains : 475/475 places, 1335/1335 transitions.
[2025-06-01 10:32:25] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 11) seen :[0, 0, 3, 0, 0, 0, 0, 3, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:32:25] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:32:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 4, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000002 steps (2 resets) in 3367 ms. (296 steps per ms)
BEST_FIRST walk for 11000009 steps (22 resets) in 8346 ms. (1317 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:32:37] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:32:37] [INFO ] Invariant cache hit.
[2025-06-01 10:32:37] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:32:37] [INFO ] [Real]Absence check using state equation in 272 ms returned sat
[2025-06-01 10:32:37] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:32:37] [INFO ] [Real]Added 100 Read/Feed constraints in 56 ms returned sat
[2025-06-01 10:32:37] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:32:38] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2025-06-01 10:32:38] [INFO ] [Nat]Added 100 Read/Feed constraints in 76 ms returned sat
[2025-06-01 10:32:38] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:32:38] [INFO ] Added : 1 causal constraints over 1 iterations in 310 ms. Result :sat
Minimization took 545 ms.
[2025-06-01 10:32:39] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:39] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2025-06-01 10:32:39] [INFO ] [Real]Added 100 Read/Feed constraints in 48 ms returned sat
[2025-06-01 10:32:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:32:40] [INFO ] [Nat]Absence check using state equation in 265 ms returned sat
[2025-06-01 10:32:40] [INFO ] [Nat]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:32:40] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 84 ms.
[2025-06-01 10:32:40] [INFO ] Added : 2 causal constraints over 1 iterations in 238 ms. Result :sat
Minimization took 363 ms.
[2025-06-01 10:32:41] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:41] [INFO ] [Real]Absence check using state equation in 262 ms returned sat
[2025-06-01 10:32:41] [INFO ] [Real]Added 100 Read/Feed constraints in 68 ms returned sat
[2025-06-01 10:32:41] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:41] [INFO ] [Nat]Absence check using state equation in 262 ms returned sat
[2025-06-01 10:32:41] [INFO ] [Nat]Added 100 Read/Feed constraints in 58 ms returned sat
[2025-06-01 10:32:41] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:32:42] [INFO ] Added : 1 causal constraints over 1 iterations in 190 ms. Result :sat
Minimization took 359 ms.
[2025-06-01 10:32:42] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:32:42] [INFO ] [Real]Absence check using state equation in 266 ms returned sat
[2025-06-01 10:32:42] [INFO ] [Real]Added 100 Read/Feed constraints in 46 ms returned sat
[2025-06-01 10:32:42] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:32:43] [INFO ] [Nat]Absence check using state equation in 267 ms returned sat
[2025-06-01 10:32:43] [INFO ] [Nat]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:32:43] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:32:43] [INFO ] Added : 2 causal constraints over 1 iterations in 189 ms. Result :sat
Minimization took 363 ms.
[2025-06-01 10:32:43] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:44] [INFO ] [Real]Absence check using state equation in 269 ms returned sat
[2025-06-01 10:32:44] [INFO ] [Real]Added 100 Read/Feed constraints in 50 ms returned sat
[2025-06-01 10:32:44] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:44] [INFO ] [Nat]Absence check using state equation in 256 ms returned sat
[2025-06-01 10:32:44] [INFO ] [Nat]Added 100 Read/Feed constraints in 40 ms returned sat
[2025-06-01 10:32:44] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 86 ms.
[2025-06-01 10:32:44] [INFO ] Added : 2 causal constraints over 1 iterations in 188 ms. Result :sat
Minimization took 356 ms.
[2025-06-01 10:32:45] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:45] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2025-06-01 10:32:45] [INFO ] [Real]Added 100 Read/Feed constraints in 60 ms returned sat
[2025-06-01 10:32:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:32:46] [INFO ] [Nat]Absence check using state equation in 258 ms returned sat
[2025-06-01 10:32:46] [INFO ] [Nat]Added 100 Read/Feed constraints in 56 ms returned sat
[2025-06-01 10:32:46] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 84 ms.
[2025-06-01 10:32:46] [INFO ] Added : 2 causal constraints over 1 iterations in 187 ms. Result :sat
Minimization took 363 ms.
[2025-06-01 10:32:46] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:32:47] [INFO ] [Real]Absence check using state equation in 413 ms returned sat
[2025-06-01 10:32:47] [INFO ] [Real]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:32:47] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:32:48] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-01 10:32:48] [INFO ] [Nat]Added 100 Read/Feed constraints in 133 ms returned sat
[2025-06-01 10:32:48] [INFO ] Deduced a trap composed of 78 places in 578 ms of which 7 ms to minimize.
[2025-06-01 10:32:49] [INFO ] Deduced a trap composed of 131 places in 435 ms of which 5 ms to minimize.
[2025-06-01 10:32:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1114 ms
[2025-06-01 10:32:49] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:32:49] [INFO ] Added : 2 causal constraints over 1 iterations in 239 ms. Result :sat
Minimization took 581 ms.
[2025-06-01 10:32:50] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:32:50] [INFO ] [Real]Absence check using state equation in 402 ms returned sat
[2025-06-01 10:32:50] [INFO ] [Real]Added 100 Read/Feed constraints in 83 ms returned sat
[2025-06-01 10:32:50] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:32:51] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2025-06-01 10:32:51] [INFO ] [Nat]Added 100 Read/Feed constraints in 50 ms returned sat
[2025-06-01 10:32:51] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:32:51] [INFO ] Added : 2 causal constraints over 1 iterations in 191 ms. Result :sat
Minimization took 371 ms.
[2025-06-01 10:32:52] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:52] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-01 10:32:52] [INFO ] [Real]Added 100 Read/Feed constraints in 69 ms returned sat
[2025-06-01 10:32:52] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:52] [INFO ] [Nat]Absence check using state equation in 275 ms returned sat
[2025-06-01 10:32:52] [INFO ] [Nat]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:32:53] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 85 ms.
[2025-06-01 10:32:53] [INFO ] Added : 2 causal constraints over 1 iterations in 189 ms. Result :sat
Minimization took 379 ms.
[2025-06-01 10:32:53] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:53] [INFO ] [Real]Absence check using state equation in 271 ms returned sat
[2025-06-01 10:32:54] [INFO ] [Real]Added 100 Read/Feed constraints in 55 ms returned sat
[2025-06-01 10:32:54] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:54] [INFO ] [Nat]Absence check using state equation in 262 ms returned sat
[2025-06-01 10:32:54] [INFO ] [Nat]Added 100 Read/Feed constraints in 62 ms returned sat
[2025-06-01 10:32:54] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 88 ms.
[2025-06-01 10:32:54] [INFO ] Added : 2 causal constraints over 1 iterations in 191 ms. Result :sat
Minimization took 371 ms.
[2025-06-01 10:32:55] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:32:55] [INFO ] [Real]Absence check using state equation in 275 ms returned sat
[2025-06-01 10:32:55] [INFO ] [Real]Added 100 Read/Feed constraints in 51 ms returned sat
[2025-06-01 10:32:55] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:32:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:32:55] [INFO ] [Nat]Absence check using state equation in 279 ms returned sat
[2025-06-01 10:32:55] [INFO ] [Nat]Added 100 Read/Feed constraints in 59 ms returned sat
[2025-06-01 10:32:56] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 85 ms.
[2025-06-01 10:32:56] [INFO ] Added : 2 causal constraints over 1 iterations in 186 ms. Result :sat
Minimization took 653 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 58 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 475/475 places, 1335/1335 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 58 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
[2025-06-01 10:33:03] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:33:03] [INFO ] Invariant cache hit.
[2025-06-01 10:33:04] [INFO ] Implicit Places using invariants in 829 ms returned []
[2025-06-01 10:33:04] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:33:04] [INFO ] Invariant cache hit.
[2025-06-01 10:33:04] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:33:06] [INFO ] Implicit Places using invariants and state equation in 2715 ms returned []
Implicit Place search using SMT with State Equation took 3546 ms to find 0 implicit places.
[2025-06-01 10:33:07] [INFO ] Redundant transitions in 26 ms returned []
Running 1333 sub problems to find dead transitions.
[2025-06-01 10:33:07] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:33:07] [INFO ] Invariant cache hit.
[2025-06-01 10:33:07] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
[2025-06-01 10:33:35] [INFO ] Deduced a trap composed of 131 places in 360 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1253 variables, and 4 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/475 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 3 (OVERLAPS) 778/1253 variables, 475/479 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 100/579 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 31270 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
After SMT, in 67147ms problems are : Problem set: 0 solved, 1333 unsolved
Search for dead transitions found 0 dead transitions in 67161ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70800 ms. Remains : 475/475 places, 1335/1335 transitions.
[2025-06-01 10:34:14] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 11) seen :[0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:34:14] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:34:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000000 steps (2 resets) in 3542 ms. (282 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 8713 ms. (1262 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:34:26] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:34:26] [INFO ] Invariant cache hit.
[2025-06-01 10:34:26] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:34:27] [INFO ] [Real]Absence check using state equation in 261 ms returned sat
[2025-06-01 10:34:27] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:34:27] [INFO ] [Real]Added 100 Read/Feed constraints in 55 ms returned sat
[2025-06-01 10:34:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:34:27] [INFO ] [Nat]Absence check using state equation in 263 ms returned sat
[2025-06-01 10:34:27] [INFO ] [Nat]Added 100 Read/Feed constraints in 50 ms returned sat
[2025-06-01 10:34:27] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 95 ms.
[2025-06-01 10:34:28] [INFO ] Added : 1 causal constraints over 1 iterations in 263 ms. Result :sat
Minimization took 540 ms.
[2025-06-01 10:34:28] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:34:29] [INFO ] [Real]Absence check using state equation in 401 ms returned sat
[2025-06-01 10:34:29] [INFO ] [Real]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:34:29] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:34:29] [INFO ] [Nat]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:34:29] [INFO ] [Nat]Added 100 Read/Feed constraints in 89 ms returned sat
[2025-06-01 10:34:30] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 133 ms.
[2025-06-01 10:34:30] [INFO ] Added : 2 causal constraints over 1 iterations in 288 ms. Result :sat
Minimization took 543 ms.
[2025-06-01 10:34:30] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:34:31] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2025-06-01 10:34:31] [INFO ] [Real]Added 100 Read/Feed constraints in 69 ms returned sat
[2025-06-01 10:34:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:34:31] [INFO ] [Nat]Absence check using state equation in 403 ms returned sat
[2025-06-01 10:34:31] [INFO ] [Nat]Added 100 Read/Feed constraints in 94 ms returned sat
[2025-06-01 10:34:32] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 133 ms.
[2025-06-01 10:34:32] [INFO ] Added : 1 causal constraints over 1 iterations in 289 ms. Result :sat
Minimization took 532 ms.
[2025-06-01 10:34:32] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:34:33] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2025-06-01 10:34:33] [INFO ] [Real]Added 100 Read/Feed constraints in 47 ms returned sat
[2025-06-01 10:34:33] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:34:33] [INFO ] [Nat]Absence check using state equation in 382 ms returned sat
[2025-06-01 10:34:33] [INFO ] [Nat]Added 100 Read/Feed constraints in 52 ms returned sat
[2025-06-01 10:34:34] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 87 ms.
[2025-06-01 10:34:34] [INFO ] Added : 2 causal constraints over 1 iterations in 188 ms. Result :sat
Minimization took 439 ms.
[2025-06-01 10:34:34] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:34:35] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2025-06-01 10:34:35] [INFO ] [Real]Added 100 Read/Feed constraints in 92 ms returned sat
[2025-06-01 10:34:35] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:34:35] [INFO ] [Nat]Absence check using state equation in 394 ms returned sat
[2025-06-01 10:34:35] [INFO ] [Nat]Added 100 Read/Feed constraints in 36 ms returned sat
[2025-06-01 10:34:36] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 86 ms.
[2025-06-01 10:34:36] [INFO ] Added : 2 causal constraints over 1 iterations in 186 ms. Result :sat
Minimization took 422 ms.
[2025-06-01 10:34:36] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:34:37] [INFO ] [Real]Absence check using state equation in 410 ms returned sat
[2025-06-01 10:34:37] [INFO ] [Real]Added 100 Read/Feed constraints in 101 ms returned sat
[2025-06-01 10:34:37] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:34:37] [INFO ] [Nat]Absence check using state equation in 398 ms returned sat
[2025-06-01 10:34:37] [INFO ] [Nat]Added 100 Read/Feed constraints in 57 ms returned sat
[2025-06-01 10:34:38] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 83 ms.
[2025-06-01 10:34:38] [INFO ] Added : 2 causal constraints over 1 iterations in 184 ms. Result :sat
Minimization took 432 ms.
[2025-06-01 10:34:38] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:34:39] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:34:39] [INFO ] [Real]Added 100 Read/Feed constraints in 57 ms returned sat
[2025-06-01 10:34:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:34:39] [INFO ] [Nat]Absence check using state equation in 412 ms returned sat
[2025-06-01 10:34:39] [INFO ] [Nat]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:34:40] [INFO ] Deduced a trap composed of 78 places in 413 ms of which 6 ms to minimize.
[2025-06-01 10:34:40] [INFO ] Deduced a trap composed of 131 places in 500 ms of which 6 ms to minimize.
[2025-06-01 10:34:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1004 ms
[2025-06-01 10:34:41] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 110 ms.
[2025-06-01 10:34:41] [INFO ] Added : 2 causal constraints over 1 iterations in 236 ms. Result :sat
Minimization took 544 ms.
[2025-06-01 10:34:41] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:34:42] [INFO ] [Real]Absence check using state equation in 362 ms returned sat
[2025-06-01 10:34:42] [INFO ] [Real]Added 100 Read/Feed constraints in 68 ms returned sat
[2025-06-01 10:34:42] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:34:42] [INFO ] [Nat]Absence check using state equation in 335 ms returned sat
[2025-06-01 10:34:42] [INFO ] [Nat]Added 100 Read/Feed constraints in 64 ms returned sat
[2025-06-01 10:34:43] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 109 ms.
[2025-06-01 10:34:43] [INFO ] Added : 2 causal constraints over 1 iterations in 237 ms. Result :sat
Minimization took 485 ms.
[2025-06-01 10:34:43] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:34:44] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
[2025-06-01 10:34:44] [INFO ] [Real]Added 100 Read/Feed constraints in 101 ms returned sat
[2025-06-01 10:34:44] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:34:44] [INFO ] [Nat]Absence check using state equation in 265 ms returned sat
[2025-06-01 10:34:44] [INFO ] [Nat]Added 100 Read/Feed constraints in 53 ms returned sat
[2025-06-01 10:34:44] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 89 ms.
[2025-06-01 10:34:45] [INFO ] Added : 2 causal constraints over 1 iterations in 191 ms. Result :sat
Minimization took 367 ms.
[2025-06-01 10:34:45] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:34:45] [INFO ] [Real]Absence check using state equation in 269 ms returned sat
[2025-06-01 10:34:45] [INFO ] [Real]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:34:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:34:46] [INFO ] [Nat]Absence check using state equation in 263 ms returned sat
[2025-06-01 10:34:46] [INFO ] [Nat]Added 100 Read/Feed constraints in 61 ms returned sat
[2025-06-01 10:34:46] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 121 ms.
[2025-06-01 10:34:46] [INFO ] Added : 2 causal constraints over 1 iterations in 291 ms. Result :sat
Minimization took 548 ms.
[2025-06-01 10:34:47] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:34:47] [INFO ] [Real]Absence check using state equation in 419 ms returned sat
[2025-06-01 10:34:47] [INFO ] [Real]Added 100 Read/Feed constraints in 80 ms returned sat
[2025-06-01 10:34:47] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:34:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:34:48] [INFO ] [Nat]Absence check using state equation in 434 ms returned sat
[2025-06-01 10:34:48] [INFO ] [Nat]Added 100 Read/Feed constraints in 102 ms returned sat
[2025-06-01 10:34:48] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:34:48] [INFO ] Added : 2 causal constraints over 1 iterations in 313 ms. Result :sat
Minimization took 744 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 59 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 475/475 places, 1335/1335 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 63 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
[2025-06-01 10:34:56] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:34:56] [INFO ] Invariant cache hit.
[2025-06-01 10:34:57] [INFO ] Implicit Places using invariants in 727 ms returned []
[2025-06-01 10:34:57] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:34:57] [INFO ] Invariant cache hit.
[2025-06-01 10:34:57] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:35:00] [INFO ] Implicit Places using invariants and state equation in 2887 ms returned []
Implicit Place search using SMT with State Equation took 3617 ms to find 0 implicit places.
[2025-06-01 10:35:00] [INFO ] Redundant transitions in 39 ms returned []
Running 1333 sub problems to find dead transitions.
[2025-06-01 10:35:00] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:35:00] [INFO ] Invariant cache hit.
[2025-06-01 10:35:00] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
[2025-06-01 10:35:23] [INFO ] Deduced a trap composed of 131 places in 457 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1253 variables, and 4 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/475 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 3 (OVERLAPS) 778/1253 variables, 475/479 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 100/579 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 31288 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
After SMT, in 66500ms problems are : Problem set: 0 solved, 1333 unsolved
Search for dead transitions found 0 dead transitions in 66519ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70251 ms. Remains : 475/475 places, 1335/1335 transitions.
[2025-06-01 10:36:06] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 11) seen :[0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:36:07] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:36:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[570, 164, 988, 11, 6, 351, 3, 9, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000000 steps (2 resets) in 3630 ms. (275 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 8327 ms. (1320 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:36:19] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:36:19] [INFO ] Invariant cache hit.
[2025-06-01 10:36:19] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:36:19] [INFO ] [Real]Absence check using state equation in 326 ms returned sat
[2025-06-01 10:36:19] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:36:19] [INFO ] [Real]Added 100 Read/Feed constraints in 94 ms returned sat
[2025-06-01 10:36:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:36:20] [INFO ] [Nat]Absence check using state equation in 413 ms returned sat
[2025-06-01 10:36:20] [INFO ] [Nat]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:36:20] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 135 ms.
[2025-06-01 10:36:20] [INFO ] Added : 1 causal constraints over 1 iterations in 291 ms. Result :sat
Minimization took 542 ms.
[2025-06-01 10:36:21] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:36:21] [INFO ] [Real]Absence check using state equation in 422 ms returned sat
[2025-06-01 10:36:21] [INFO ] [Real]Added 100 Read/Feed constraints in 80 ms returned sat
[2025-06-01 10:36:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:22] [INFO ] [Nat]Absence check using state equation in 362 ms returned sat
[2025-06-01 10:36:22] [INFO ] [Nat]Added 100 Read/Feed constraints in 81 ms returned sat
[2025-06-01 10:36:22] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 145 ms.
[2025-06-01 10:36:22] [INFO ] Added : 2 causal constraints over 1 iterations in 315 ms. Result :sat
Minimization took 559 ms.
[2025-06-01 10:36:23] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:24] [INFO ] [Real]Absence check using state equation in 415 ms returned sat
[2025-06-01 10:36:24] [INFO ] [Real]Added 100 Read/Feed constraints in 118 ms returned sat
[2025-06-01 10:36:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:24] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-01 10:36:24] [INFO ] [Nat]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:36:25] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 132 ms.
[2025-06-01 10:36:25] [INFO ] Added : 1 causal constraints over 1 iterations in 288 ms. Result :sat
Minimization took 540 ms.
[2025-06-01 10:36:25] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:36:26] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2025-06-01 10:36:26] [INFO ] [Real]Added 100 Read/Feed constraints in 83 ms returned sat
[2025-06-01 10:36:26] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:27] [INFO ] [Nat]Absence check using state equation in 413 ms returned sat
[2025-06-01 10:36:27] [INFO ] [Nat]Added 100 Read/Feed constraints in 96 ms returned sat
[2025-06-01 10:36:27] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 142 ms.
[2025-06-01 10:36:27] [INFO ] Added : 2 causal constraints over 1 iterations in 308 ms. Result :sat
Minimization took 546 ms.
[2025-06-01 10:36:28] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:28] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2025-06-01 10:36:28] [INFO ] [Real]Added 100 Read/Feed constraints in 90 ms returned sat
[2025-06-01 10:36:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:29] [INFO ] [Nat]Absence check using state equation in 414 ms returned sat
[2025-06-01 10:36:29] [INFO ] [Nat]Added 100 Read/Feed constraints in 70 ms returned sat
[2025-06-01 10:36:29] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 148 ms.
[2025-06-01 10:36:29] [INFO ] Added : 2 causal constraints over 1 iterations in 313 ms. Result :sat
Minimization took 547 ms.
[2025-06-01 10:36:30] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:36:30] [INFO ] [Real]Absence check using state equation in 260 ms returned sat
[2025-06-01 10:36:30] [INFO ] [Real]Added 100 Read/Feed constraints in 61 ms returned sat
[2025-06-01 10:36:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:36:31] [INFO ] [Nat]Absence check using state equation in 262 ms returned sat
[2025-06-01 10:36:31] [INFO ] [Nat]Added 100 Read/Feed constraints in 56 ms returned sat
[2025-06-01 10:36:31] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 95 ms.
[2025-06-01 10:36:31] [INFO ] Added : 2 causal constraints over 1 iterations in 265 ms. Result :sat
Minimization took 551 ms.
[2025-06-01 10:36:32] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:32] [INFO ] [Real]Absence check using state equation in 427 ms returned sat
[2025-06-01 10:36:32] [INFO ] [Real]Added 100 Read/Feed constraints in 59 ms returned sat
[2025-06-01 10:36:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:36:33] [INFO ] [Nat]Absence check using state equation in 422 ms returned sat
[2025-06-01 10:36:33] [INFO ] [Nat]Added 100 Read/Feed constraints in 146 ms returned sat
[2025-06-01 10:36:34] [INFO ] Deduced a trap composed of 78 places in 634 ms of which 8 ms to minimize.
[2025-06-01 10:36:34] [INFO ] Deduced a trap composed of 131 places in 634 ms of which 8 ms to minimize.
[2025-06-01 10:36:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1393 ms
[2025-06-01 10:36:35] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 133 ms.
[2025-06-01 10:36:35] [INFO ] Added : 2 causal constraints over 1 iterations in 288 ms. Result :sat
Minimization took 611 ms.
[2025-06-01 10:36:35] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:36:36] [INFO ] [Real]Absence check using state equation in 258 ms returned sat
[2025-06-01 10:36:36] [INFO ] [Real]Added 100 Read/Feed constraints in 73 ms returned sat
[2025-06-01 10:36:36] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:36:36] [INFO ] [Nat]Absence check using state equation in 255 ms returned sat
[2025-06-01 10:36:36] [INFO ] [Nat]Added 100 Read/Feed constraints in 47 ms returned sat
[2025-06-01 10:36:36] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 87 ms.
[2025-06-01 10:36:36] [INFO ] Added : 2 causal constraints over 1 iterations in 187 ms. Result :sat
Minimization took 368 ms.
[2025-06-01 10:36:37] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:37] [INFO ] [Real]Absence check using state equation in 423 ms returned sat
[2025-06-01 10:36:38] [INFO ] [Real]Added 100 Read/Feed constraints in 112 ms returned sat
[2025-06-01 10:36:38] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:38] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2025-06-01 10:36:38] [INFO ] [Nat]Added 100 Read/Feed constraints in 93 ms returned sat
[2025-06-01 10:36:38] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 138 ms.
[2025-06-01 10:36:39] [INFO ] Added : 2 causal constraints over 1 iterations in 296 ms. Result :sat
Minimization took 537 ms.
[2025-06-01 10:36:39] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:40] [INFO ] [Real]Absence check using state equation in 415 ms returned sat
[2025-06-01 10:36:40] [INFO ] [Real]Added 100 Read/Feed constraints in 98 ms returned sat
[2025-06-01 10:36:40] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:40] [INFO ] [Nat]Absence check using state equation in 397 ms returned sat
[2025-06-01 10:36:41] [INFO ] [Nat]Added 100 Read/Feed constraints in 105 ms returned sat
[2025-06-01 10:36:41] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:36:41] [INFO ] Added : 2 causal constraints over 1 iterations in 312 ms. Result :sat
Minimization took 548 ms.
[2025-06-01 10:36:42] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:42] [INFO ] [Real]Absence check using state equation in 397 ms returned sat
[2025-06-01 10:36:42] [INFO ] [Real]Added 100 Read/Feed constraints in 91 ms returned sat
[2025-06-01 10:36:42] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:36:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:36:43] [INFO ] [Nat]Absence check using state equation in 434 ms returned sat
[2025-06-01 10:36:43] [INFO ] [Nat]Added 100 Read/Feed constraints in 222 ms returned sat
[2025-06-01 10:36:43] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 133 ms.
[2025-06-01 10:36:43] [INFO ] Added : 1 causal constraints over 1 iterations in 285 ms. Result :sat
Minimization took 655 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 58 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 475/475 places, 1335/1335 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 64 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
[2025-06-01 10:36:56] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:36:56] [INFO ] Invariant cache hit.
[2025-06-01 10:36:57] [INFO ] Implicit Places using invariants in 927 ms returned []
[2025-06-01 10:36:57] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:36:57] [INFO ] Invariant cache hit.
[2025-06-01 10:36:57] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:36:59] [INFO ] Implicit Places using invariants and state equation in 2158 ms returned []
Implicit Place search using SMT with State Equation took 3087 ms to find 0 implicit places.
[2025-06-01 10:36:59] [INFO ] Redundant transitions in 26 ms returned []
Running 1333 sub problems to find dead transitions.
[2025-06-01 10:36:59] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:36:59] [INFO ] Invariant cache hit.
[2025-06-01 10:36:59] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
[2025-06-01 10:37:26] [INFO ] Deduced a trap composed of 131 places in 491 ms of which 8 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
(s104 0.0)
(s105 0.0)
(s106 0.0)
(s107 0.0)
(s108 0.0)
(s109 0.0)
(s110 0.0)
(s111 0.0)
(s112 0.0)
(s113 0.0)
(s114 0.0)
(s115 0.0)
(s116 0.0)
(s117 0.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 0.0)
(s123 0.0)
(s124 0.0)
(s125 0.0)
(s126 0.0)
(s127 0.0)
(s128 0.0)
(s129 0.0)
(s130 0.0)
(s131 0.0)
(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)
(s136 0.0)
(s137 0.0)
(s138 0.0)
(s139 0.0)
(s140 0.0)
(s141 0.0)
(s142 0.0)
(s143 0.0)
(s144 0.0)
(s145 0.0)
(s146 0.0)
(s147 0.0)
(s148 0.0)
(s149 0.0)
(s150 0.0)
(s151 0.0)
(s152 0.0)
(s153 0.0)
(s154 0.0)
(s155 0.0)
(s156 0.0)
(s157 0.0)
(s158 0.0)
(s159 0.0)
(s160 0.0)
(s161 0.0)
(s162 0.0)
(s163 0.0)
(s164 0.0)
(s165 0.0)
(s166 0.0)
(s167 0.0)
(s168 0.0)
(s169 0.0)
(s170 0.0)
(s171 0.0)
(s172 0.0)
(s173 0.0)
(s174 0.0)
(s175 0.0)
(s176 0.0)
(s177 0.0)
(s178 0.0)
(s179 0.0)
(s180 0.0)
(s181 0.0)
(s182 0.0)
(s183 0.0)
(s184 0.0)
(s185 0.0)
(s186 0.0)
(s187 0.0)
(s188 0.0)
(s189 0.0)
(s190 0.0)
(s191 0.0)
(s192 0.0)
(s193 0.0)
(s194 0.0)
(s195 0.0)
(s196 0.0)
(s197 0.0)
(s198 1.0)
(s199 1.0)
(s200 1.0)
(s201 0.0)
(s202 0.0)
(s203 0.0)
(s204 0.0)
(s205 0.0)
(s206 0.0)
(s207 0.0)
(s208 0.0)
(s209 0.0)
(s210 0.0)
(s211 0.0)
(s212 0.0)
(s213 0.0)
(s214 0.0)
(s215 0.0)
(s216 0.0)
(s217 0.0)
(s218 0.0)
(s219 0.0)
(s220 0.0)
(s221 0.0)
(s222 0.0)
(s223 0.0)
(s224 0.0)
(s225 0.0)
(s226 0.0)
(s227 0.0)
(s228 0.0)
(s229 0.0)
(s230 0.0)
(s231 0.0)
(s232 0.0)
(s233 0.0)
(s234 0.0)
(s235 0.0)
(s236 0.0)
(s237 0.0)
(s238 0.0)
(s239 0.0)
(s240 0.0)
(s241 0.0)
(s242 0.0)
(s243 0.0)
(s244 0.0)
(s245 0.0)
(s246 0.0)
(s247 0.0)
(s248 0.0)
(s249 0.0)
(s250 0.0)
(s251 0.0)
(s252 0.0)
(s253 0.0)
(s254 1.0)
(s255 0.0)
(s256 0.0)
(s257 0.0)
(s258 0.0)
(s259 0.0)
(s260 1.0)
(s261 1.0)
(s262 0.0)
(s263 0.0)
(s264 1.0)
(s265 0.0)
(s266 0.0)
(s267 0.0)
(s268 0.0)
(s269 0.0)
(s270 0.0)
(s271 0.0)
(s272 0.0)
(s273 0.0)
(s274 0.0)
(s275 0.0)
(s276 0.0)
(s277 0.0)
(s278 0.0)
(s279 0.0)
(s280 0.0)
(s281 0.0)
(s282 0.0)
(s283 0.0)
(s284 0.0)
(s285 0.0)
(s286 0.0)
(s287 0.0)
(s288 0.0)
(s289 0.0)
(s290 0.0)
(s291 0.0)
(s292 0.0)
(s293 0.0)
(s294 0.0)
(s295 0.0)
(s296 0.0)
(s297 0.0)
(s298 0.0)
(s299 0.0)
(s300 0.0)
(s301 0.0)
(s302 0.0)
(s303 0.0)
(s304 0.0)
(s305 0.0)
(s306 0.0)
(s307 0.0)
(s308 0.0)
(s309 0.0)
(s310 0.0)
(s311 0.0)
(s312 0.0)
(s313 0.0)
(s314 0.0)
(s315 0.0)
(s316 0.0)
(s317 0.0)
(s318 0.0)
(s319 0.0)
(s320 0.0)
(s321 0.0)
(s322 0.0)
(s323 0.0)
(s324 0.0)
(s325 0.0)
(s326 0.0)
(s327 0.0)
(s328 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1253 variables, and 4 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 30041 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/475 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 3 (OVERLAPS) 778/1253 variables, 475/479 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 100/579 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 31240 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
After SMT, in 67193ms problems are : Problem set: 0 solved, 1333 unsolved
Search for dead transitions found 0 dead transitions in 67205ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70391 ms. Remains : 475/475 places, 1335/1335 transitions.
[2025-06-01 10:38:06] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 11) seen :[0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:38:07] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:38:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 1000000 steps (2 resets) in 3830 ms. (261 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 8152 ms. (1349 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
[2025-06-01 10:38:19] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:38:19] [INFO ] Invariant cache hit.
[2025-06-01 10:38:19] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:38:19] [INFO ] [Real]Absence check using state equation in 287 ms returned sat
[2025-06-01 10:38:19] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:38:19] [INFO ] [Real]Added 100 Read/Feed constraints in 98 ms returned sat
[2025-06-01 10:38:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:20] [INFO ] [Nat]Absence check using state equation in 408 ms returned sat
[2025-06-01 10:38:20] [INFO ] [Nat]Added 100 Read/Feed constraints in 86 ms returned sat
[2025-06-01 10:38:20] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 140 ms.
[2025-06-01 10:38:20] [INFO ] Added : 1 causal constraints over 1 iterations in 311 ms. Result :sat
Minimization took 540 ms.
[2025-06-01 10:38:21] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:21] [INFO ] [Real]Absence check using state equation in 420 ms returned sat
[2025-06-01 10:38:21] [INFO ] [Real]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:38:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:22] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2025-06-01 10:38:22] [INFO ] [Nat]Added 100 Read/Feed constraints in 97 ms returned sat
[2025-06-01 10:38:22] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:38:22] [INFO ] Added : 2 causal constraints over 1 iterations in 313 ms. Result :sat
Minimization took 545 ms.
[2025-06-01 10:38:23] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:24] [INFO ] [Real]Absence check using state equation in 394 ms returned sat
[2025-06-01 10:38:24] [INFO ] [Real]Added 100 Read/Feed constraints in 113 ms returned sat
[2025-06-01 10:38:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:24] [INFO ] [Nat]Absence check using state equation in 415 ms returned sat
[2025-06-01 10:38:24] [INFO ] [Nat]Added 100 Read/Feed constraints in 97 ms returned sat
[2025-06-01 10:38:25] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 134 ms.
[2025-06-01 10:38:25] [INFO ] Added : 1 causal constraints over 1 iterations in 295 ms. Result :sat
Minimization took 537 ms.
[2025-06-01 10:38:25] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:38:26] [INFO ] [Real]Absence check using state equation in 408 ms returned sat
[2025-06-01 10:38:26] [INFO ] [Real]Added 100 Read/Feed constraints in 53 ms returned sat
[2025-06-01 10:38:26] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:38:26] [INFO ] [Nat]Absence check using state equation in 254 ms returned sat
[2025-06-01 10:38:26] [INFO ] [Nat]Added 100 Read/Feed constraints in 59 ms returned sat
[2025-06-01 10:38:27] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 144 ms.
[2025-06-01 10:38:27] [INFO ] Added : 2 causal constraints over 1 iterations in 322 ms. Result :sat
Minimization took 555 ms.
[2025-06-01 10:38:27] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:38:28] [INFO ] [Real]Absence check using state equation in 383 ms returned sat
[2025-06-01 10:38:28] [INFO ] [Real]Added 100 Read/Feed constraints in 76 ms returned sat
[2025-06-01 10:38:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:38:28] [INFO ] [Nat]Absence check using state equation in 345 ms returned sat
[2025-06-01 10:38:29] [INFO ] [Nat]Added 100 Read/Feed constraints in 51 ms returned sat
[2025-06-01 10:38:29] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 123 ms.
[2025-06-01 10:38:29] [INFO ] Added : 2 causal constraints over 1 iterations in 273 ms. Result :sat
Minimization took 512 ms.
[2025-06-01 10:38:29] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:38:30] [INFO ] [Real]Absence check using state equation in 255 ms returned sat
[2025-06-01 10:38:30] [INFO ] [Real]Added 100 Read/Feed constraints in 63 ms returned sat
[2025-06-01 10:38:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:30] [INFO ] [Nat]Absence check using state equation in 415 ms returned sat
[2025-06-01 10:38:30] [INFO ] [Nat]Added 100 Read/Feed constraints in 85 ms returned sat
[2025-06-01 10:38:31] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 134 ms.
[2025-06-01 10:38:31] [INFO ] Added : 2 causal constraints over 1 iterations in 298 ms. Result :sat
Minimization took 552 ms.
[2025-06-01 10:38:32] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:38:32] [INFO ] [Real]Absence check using state equation in 405 ms returned sat
[2025-06-01 10:38:32] [INFO ] [Real]Added 100 Read/Feed constraints in 49 ms returned sat
[2025-06-01 10:38:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:33] [INFO ] [Nat]Absence check using state equation in 411 ms returned sat
[2025-06-01 10:38:33] [INFO ] [Nat]Added 100 Read/Feed constraints in 150 ms returned sat
[2025-06-01 10:38:33] [INFO ] Deduced a trap composed of 78 places in 639 ms of which 7 ms to minimize.
[2025-06-01 10:38:34] [INFO ] Deduced a trap composed of 131 places in 626 ms of which 8 ms to minimize.
[2025-06-01 10:38:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1394 ms
[2025-06-01 10:38:34] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:38:34] [INFO ] Added : 2 causal constraints over 1 iterations in 315 ms. Result :sat
Minimization took 622 ms.
[2025-06-01 10:38:35] [INFO ] [Real]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:36] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2025-06-01 10:38:36] [INFO ] [Real]Added 100 Read/Feed constraints in 132 ms returned sat
[2025-06-01 10:38:36] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:38:36] [INFO ] [Nat]Absence check using state equation in 375 ms returned sat
[2025-06-01 10:38:36] [INFO ] [Nat]Added 100 Read/Feed constraints in 57 ms returned sat
[2025-06-01 10:38:37] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 89 ms.
[2025-06-01 10:38:37] [INFO ] Added : 2 causal constraints over 1 iterations in 196 ms. Result :sat
Minimization took 372 ms.
[2025-06-01 10:38:37] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:38:38] [INFO ] [Real]Absence check using state equation in 317 ms returned sat
[2025-06-01 10:38:38] [INFO ] [Real]Added 100 Read/Feed constraints in 120 ms returned sat
[2025-06-01 10:38:38] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:38] [INFO ] [Nat]Absence check using state equation in 417 ms returned sat
[2025-06-01 10:38:38] [INFO ] [Nat]Added 100 Read/Feed constraints in 77 ms returned sat
[2025-06-01 10:38:38] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 87 ms.
[2025-06-01 10:38:39] [INFO ] Added : 2 causal constraints over 1 iterations in 192 ms. Result :sat
Minimization took 369 ms.
[2025-06-01 10:38:39] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:38:39] [INFO ] [Real]Absence check using state equation in 272 ms returned sat
[2025-06-01 10:38:39] [INFO ] [Real]Added 100 Read/Feed constraints in 95 ms returned sat
[2025-06-01 10:38:40] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:38:40] [INFO ] [Nat]Absence check using state equation in 416 ms returned sat
[2025-06-01 10:38:40] [INFO ] [Nat]Added 100 Read/Feed constraints in 103 ms returned sat
[2025-06-01 10:38:40] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 129 ms.
[2025-06-01 10:38:40] [INFO ] Added : 2 causal constraints over 1 iterations in 237 ms. Result :sat
Minimization took 359 ms.
[2025-06-01 10:38:41] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:38:41] [INFO ] [Real]Absence check using state equation in 316 ms returned sat
[2025-06-01 10:38:41] [INFO ] [Real]Added 100 Read/Feed constraints in 65 ms returned sat
[2025-06-01 10:38:41] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:38:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:38:42] [INFO ] [Nat]Absence check using state equation in 313 ms returned sat
[2025-06-01 10:38:42] [INFO ] [Nat]Added 100 Read/Feed constraints in 148 ms returned sat
[2025-06-01 10:38:42] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 87 ms.
[2025-06-01 10:38:42] [INFO ] Added : 1 causal constraints over 1 iterations in 191 ms. Result :sat
Minimization took 639 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Support contains 11 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 60 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60 ms. Remains : 475/475 places, 1335/1335 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Applied a total of 0 rules in 58 ms. Remains 475 /475 variables (removed 0) and now considering 1335/1335 (removed 0) transitions.
[2025-06-01 10:38:55] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:38:55] [INFO ] Invariant cache hit.
[2025-06-01 10:38:56] [INFO ] Implicit Places using invariants in 733 ms returned []
[2025-06-01 10:38:56] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:38:56] [INFO ] Invariant cache hit.
[2025-06-01 10:38:56] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:38:59] [INFO ] Implicit Places using invariants and state equation in 2966 ms returned []
Implicit Place search using SMT with State Equation took 3701 ms to find 0 implicit places.
[2025-06-01 10:38:59] [INFO ] Redundant transitions in 40 ms returned []
Running 1333 sub problems to find dead transitions.
[2025-06-01 10:38:59] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:38:59] [INFO ] Invariant cache hit.
[2025-06-01 10:38:59] [INFO ] State equation strengthened by 100 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
[2025-06-01 10:39:29] [INFO ] Deduced a trap composed of 131 places in 457 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1253 variables, and 4 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/475 constraints, ReadFeed: 0/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1333 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 3 (OVERLAPS) 778/1253 variables, 475/479 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 100/579 constraints. Problems are: Problem set: 0 solved, 1333 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 1912 constraints, problems are : Problem set: 0 solved, 1333 unsolved in 31283 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 1333/1333 constraints, Known Traps: 1/1 constraints]
After SMT, in 67219ms problems are : Problem set: 0 solved, 1333 unsolved
Search for dead transitions found 0 dead transitions in 67239ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 71049 ms. Remains : 475/475 places, 1335/1335 transitions.
[2025-06-01 10:40:06] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
Found an invariant !
This invariant on transitions {233=1, 368=1, 574=1, 759=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 387=1, 593=1, 758=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 11) seen :[4, 2, 4, 0, 0, 0, 2, 0, 0, 0, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
RANDOM walk for 40003 steps (8 resets) in 1757 ms. (22 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 218 ms. (182 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 237 ms. (168 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 229 ms. (173 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 99 ms. (400 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 93 ms. (425 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 12/12 properties
[2025-06-01 10:40:07] [INFO ] Flatten gal took : 530 ms
BEST_FIRST walk for 40003 steps (8 resets) in 99 ms. (400 steps per ms) remains 12/12 properties
[2025-06-01 10:40:08] [INFO ] Flatten gal took : 251 ms
[2025-06-01 10:40:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9210770659164649372.gal : 57 ms
[2025-06-01 10:40:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6269918737659333123.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9210770659164649372.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6269918737659333123.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6269918737659333123.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :31 after 1862
Interrupted probabilistic random walk after 118852 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 12
Probabilistic random walk after 118852 steps, saw 72899 distinct states, run finished after 3005 ms. (steps per millisecond=39 ) properties seen :0
[2025-06-01 10:40:11] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:40:11] [INFO ] Invariant cache hit.
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :1862 after 695653
[2025-06-01 10:40:11] [INFO ] State equation strengthened by 100 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 383/394 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 665/1059 variables, 394/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1059 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 107/1166 variables, 25/420 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1166 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1166 variables, 92/513 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1166 variables, 0/513 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 15/1181 variables, 1/514 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1181 variables, 3/517 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1181 variables, 0/517 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 63/1244 variables, 44/561 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1244 variables, 8/569 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1244 variables, 0/569 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (OVERLAPS) 9/1253 variables, 9/578 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1253 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 0/1253 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1253/1253 variables, and 578 constraints, problems are : Problem set: 0 solved, 12 unsolved in 2009 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 383/394 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/394 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 665/1059 variables, 394/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1059 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 107/1166 variables, 25/420 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1166 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1166 variables, 92/513 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1166 variables, 12/525 constraints. Problems are: Problem set: 0 solved, 12 unsolved
[2025-06-01 10:40:14] [INFO ] Deduced a trap composed of 135 places in 234 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1166 variables, 1/526 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1166 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 15/1181 variables, 1/527 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1181 variables, 3/530 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :695653 after 5.84095e+07
At refinement iteration 13 (INCLUDED_ONLY) 0/1181 variables, 0/530 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 63/1244 variables, 44/574 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1244 variables, 8/582 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1244 variables, 0/582 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 9/1253 variables, 9/591 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1253 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 19 (OVERLAPS) 0/1253 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1253/1253 variables, and 591 constraints, problems are : Problem set: 0 solved, 12 unsolved in 3147 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 475/475 constraints, ReadFeed: 100/100 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints]
After SMT, in 5178ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 1 different solutions.
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :5.84095e+07 after 1.99885e+08
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :1.99885e+08 after 2.79439e+08
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :2.79439e+08 after 2.94979e+08
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :2.94979e+08 after 3.14098e+08
Invariant property MIN6 does not hold.
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :3.14098e+08 after 3.2882e+08
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :3.2882e+08 after 3.44496e+08
Parikh walk visited 1 properties in 30000 ms.
Support contains 10 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Applied a total of 6 rules in 63 ms. Remains 472 /475 variables (removed 3) and now considering 1330/1335 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 472/475 places, 1330/1335 transitions.
RANDOM walk for 40004 steps (8 resets) in 383 ms. (104 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 111 ms. (357 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 80 ms. (493 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 82 ms. (481 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 93 ms. (425 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (8 resets) in 96 ms. (412 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (8 resets) in 89 ms. (444 steps per ms) remains 11/11 properties
Interrupted probabilistic random walk after 208041 steps, run timeout after 3001 ms. (steps per millisecond=69 ) properties seen :0 out of 11
Probabilistic random walk after 208041 steps, saw 127583 distinct states, run finished after 3001 ms. (steps per millisecond=69 ) properties seen :0
[2025-06-01 10:40:49] [INFO ] Flow matrix only has 773 transitions (discarded 557 similar events)
// Phase 1: matrix 773 rows 472 cols
[2025-06-01 10:40:49] [INFO ] Computed 3 invariants in 12 ms
[2025-06-01 10:40:49] [INFO ] State equation strengthened by 97 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 383/393 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/393 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 663/1056 variables, 393/394 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1056 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 102/1158 variables, 23/417 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1158 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1158 variables, 89/507 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1158 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/1173 variables, 1/508 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1173 variables, 3/511 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1173 variables, 0/511 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (OVERLAPS) 63/1236 variables, 44/555 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1236 variables, 8/563 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1236 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (OVERLAPS) 9/1245 variables, 9/572 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1245 variables, 0/572 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 0/1245 variables, 0/572 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1245/1245 variables, and 572 constraints, problems are : Problem set: 0 solved, 11 unsolved in 2208 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 472/472 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 383/393 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/393 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 663/1056 variables, 393/394 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1056 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 102/1158 variables, 23/417 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1158 variables, 1/418 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1158 variables, 89/507 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1158 variables, 11/518 constraints. Problems are: Problem set: 0 solved, 11 unsolved
[2025-06-01 10:40:52] [INFO ] Deduced a trap composed of 135 places in 272 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1158 variables, 1/519 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1158 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 15/1173 variables, 1/520 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1173 variables, 3/523 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1173 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 63/1236 variables, 44/567 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1236 variables, 8/575 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1236 variables, 0/575 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 9/1245 variables, 9/584 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1245 variables, 0/584 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 19 (OVERLAPS) 0/1245 variables, 0/584 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1245/1245 variables, and 584 constraints, problems are : Problem set: 0 solved, 11 unsolved in 2702 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 472/472 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 1/1 constraints]
After SMT, in 4941ms problems are : Problem set: 0 solved, 11 unsolved
Fused 11 Parikh solutions to 3 different solutions.
Detected timeout of ITS tools.
[2025-06-01 10:40:58] [INFO ] Flatten gal took : 106 ms
[2025-06-01 10:40:58] [INFO ] Applying decomposition
[2025-06-01 10:40:58] [INFO ] Flatten gal took : 104 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph8584215776512759342.txt' '-o' '/tmp/graph8584215776512759342.bin' '-w' '/tmp/graph8584215776512759342.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph8584215776512759342.bin' '-l' '-1' '-v' '-w' '/tmp/graph8584215776512759342.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:40:59] [INFO ] Decomposing Gal with order
[2025-06-01 10:40:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:41:00] [INFO ] Removed a total of 2287 redundant transitions.
[2025-06-01 10:41:00] [INFO ] Flatten gal took : 484 ms
[2025-06-01 10:41:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 900 labels/synchronizations in 130 ms.
[2025-06-01 10:41:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8740725247374415106.gal : 22 ms
[2025-06-01 10:41:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12154272186068982043.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8740725247374415106.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12154272186068982043.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality12154272186068982043.prop.
Parikh walk visited 0 properties in 30000 ms.
Support contains 10 out of 472 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1330/1330 transitions.
Applied a total of 0 rules in 65 ms. Remains 472 /472 variables (removed 0) and now considering 1330/1330 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67 ms. Remains : 472/472 places, 1330/1330 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 472/472 places, 1330/1330 transitions.
Applied a total of 0 rules in 60 ms. Remains 472 /472 variables (removed 0) and now considering 1330/1330 (removed 0) transitions.
[2025-06-01 10:41:24] [INFO ] Flow matrix only has 773 transitions (discarded 557 similar events)
[2025-06-01 10:41:24] [INFO ] Invariant cache hit.
[2025-06-01 10:41:25] [INFO ] Implicit Places using invariants in 606 ms returned []
[2025-06-01 10:41:25] [INFO ] Flow matrix only has 773 transitions (discarded 557 similar events)
[2025-06-01 10:41:25] [INFO ] Invariant cache hit.
[2025-06-01 10:41:25] [INFO ] State equation strengthened by 97 read => feed constraints.
[2025-06-01 10:41:27] [INFO ] Implicit Places using invariants and state equation in 2492 ms returned []
Implicit Place search using SMT with State Equation took 3102 ms to find 0 implicit places.
[2025-06-01 10:41:27] [INFO ] Redundant transitions in 25 ms returned []
Running 1328 sub problems to find dead transitions.
[2025-06-01 10:41:28] [INFO ] Flow matrix only has 773 transitions (discarded 557 similar events)
[2025-06-01 10:41:28] [INFO ] Invariant cache hit.
[2025-06-01 10:41:28] [INFO ] State equation strengthened by 97 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/472 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1328 unsolved
[2025-06-01 10:41:49] [INFO ] Deduced a trap composed of 131 places in 262 ms of which 15 ms to minimize.
Detected timeout of ITS tools.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 472/1245 variables, and 4 constraints, problems are : Problem set: 0 solved, 1328 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/472 constraints, ReadFeed: 0/97 constraints, PredecessorRefiner: 1328/1328 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1328 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/472 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/472 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1328 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/472 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1328 unsolved
At refinement iteration 3 (OVERLAPS) 773/1245 variables, 472/476 constraints. Problems are: Problem set: 0 solved, 1328 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1245 variables, 97/573 constraints. Problems are: Problem set: 0 solved, 1328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1245/1245 variables, and 1901 constraints, problems are : Problem set: 0 solved, 1328 unsolved in 31074 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 472/472 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 1328/1328 constraints, Known Traps: 1/1 constraints]
After SMT, in 67599ms problems are : Problem set: 0 solved, 1328 unsolved
Search for dead transitions found 0 dead transitions in 67621ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70822 ms. Remains : 472/472 places, 1330/1330 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[570, 164, 988, 11, 520, 351, 3, 532, 428, 214, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 4]
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:42:35] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:42:35] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 38 ms. (256 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:42:35] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:42:35] [INFO ] Invariant cache hit.
[2025-06-01 10:42:35] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:42:36] [INFO ] [Real]Absence check using state equation in 381 ms returned sat
[2025-06-01 10:42:36] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:42:36] [INFO ] [Real]Added 100 Read/Feed constraints in 102 ms returned sat
[2025-06-01 10:42:36] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:42:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:42:36] [INFO ] [Nat]Absence check using state equation in 268 ms returned sat
[2025-06-01 10:42:36] [INFO ] [Nat]Added 100 Read/Feed constraints in 45 ms returned sat
[2025-06-01 10:42:36] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 92 ms.
[2025-06-01 10:42:36] [INFO ] Added : 1 causal constraints over 1 iterations in 199 ms. Result :sat
Minimization took 361 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1312
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1312
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 30 place count 456 transition count 1294
Iterating global reduction 1 with 8 rules applied. Total rules applied 38 place count 456 transition count 1294
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 46 place count 448 transition count 1272
Iterating global reduction 1 with 8 rules applied. Total rules applied 54 place count 448 transition count 1272
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 61 place count 441 transition count 1258
Iterating global reduction 1 with 7 rules applied. Total rules applied 68 place count 441 transition count 1258
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 75 place count 434 transition count 1244
Iterating global reduction 1 with 7 rules applied. Total rules applied 82 place count 434 transition count 1244
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 89 place count 427 transition count 1230
Iterating global reduction 1 with 7 rules applied. Total rules applied 96 place count 427 transition count 1230
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 101 place count 422 transition count 1220
Iterating global reduction 1 with 5 rules applied. Total rules applied 106 place count 422 transition count 1220
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 110 place count 418 transition count 1212
Iterating global reduction 1 with 4 rules applied. Total rules applied 114 place count 418 transition count 1212
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 117 place count 415 transition count 1206
Iterating global reduction 1 with 3 rules applied. Total rules applied 120 place count 415 transition count 1206
Applied a total of 120 rules in 171 ms. Remains 415 /475 variables (removed 60) and now considering 1206/1335 (removed 129) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 415/475 places, 1206/1335 transitions.
[2025-06-01 10:42:37] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 10:42:38] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
// Phase 1: matrix 680 rows 415 cols
[2025-06-01 10:42:38] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2873 ms. (347 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 718 ms. (1390 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 10:42:41] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 10:42:41] [INFO ] Invariant cache hit.
[2025-06-01 10:42:41] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:42:42] [INFO ] [Real]Absence check using state equation in 341 ms returned sat
[2025-06-01 10:42:42] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 10:42:42] [INFO ] [Real]Added 74 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:42:42] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:42:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:42:42] [INFO ] [Nat]Absence check using state equation in 382 ms returned sat
[2025-06-01 10:42:42] [INFO ] [Nat]Added 74 Read/Feed constraints in 79 ms returned sat
[2025-06-01 10:42:43] [INFO ] Deduced a trap composed of 70 places in 379 ms of which 5 ms to minimize.
[2025-06-01 10:42:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 428 ms
[2025-06-01 10:42:43] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 99 ms.
[2025-06-01 10:42:43] [INFO ] Added : 12 causal constraints over 8 iterations in 511 ms. Result :sat
Minimization took 320 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 62 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 415/415 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 60 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 10:42:44] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 10:42:44] [INFO ] Invariant cache hit.
[2025-06-01 10:42:44] [INFO ] Implicit Places using invariants in 621 ms returned []
[2025-06-01 10:42:44] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 10:42:44] [INFO ] Invariant cache hit.
[2025-06-01 10:42:45] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 10:42:46] [INFO ] Implicit Places using invariants and state equation in 1886 ms returned []
Implicit Place search using SMT with State Equation took 2509 ms to find 0 implicit places.
[2025-06-01 10:42:46] [INFO ] Redundant transitions in 21 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 10:42:46] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 10:42:46] [INFO ] Invariant cache hit.
[2025-06-01 10:42:46] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
[2025-06-01 10:43:07] [INFO ] Deduced a trap composed of 131 places in 456 ms of which 6 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 1.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
(s104 0.0)
(s105 0.0)
(s106 0.0)
(s107 0.0)
(s108 0.0)
(s109 0.0)
(s110 0.0)
(s111 0.0)
(s112 0.0)
(s113 0.0)
(s114 0.0)
(s115 0.0)
(s116 0.0)
(s117 0.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 0.0)
(s123 0.0)
(s124 0.0)
(s125 0.0)
(s126 0.0)
(s127 0.0)
(s128 0.0)
(s129 0.0)
(s130 0.0)
(s131 0.0)
(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)
(s136 0.0)
(s137 0.0)
(s138 0.0)
(s139 0.0)
(s140 0.0)
(s141 0.0)
(s142 0.0)
(s143 0.0)
(s144 0.0)
(s145 0.0)
(s146 0.0)
(s147 0.0)
(s148 0.0)
(s149 0.0)
(s150 0.0)
(s151 0.0)
(s152 0.0)
(s153 0.0)
(s154 0.0)
(s155 0.0)
(s156 0.0)
(s157 0.0)
(s158 0.0)
(s159 0.0)
(s160 0.0)
(s161 0.0)
(s162 0.0)
(s163 0.0)
(s164 0.0)
(s165 0.0)
(s166 0.0)
(s167 0.0)
(s168 0.0)
(s169 0.0)
(s170 0.0)
(s171 0.0)
(s172 0.0)
(s173 0.0)
(s174 0.0)
(s175 0.0)
(s176 0.0)
(s177 0.0)
(s178 0.0)
(s179 0.0)
(s180 0.0)
(s181 0.0)
(s182 0.0)
(s183 0.0)
(s184 0.0)
(s185 0.0)
(s186 0.0)
(s187 0.0)
(s188 0.0)
(s189 0.0)
(s190 0.0)
(s191 0.0)
(s192 0.0)
(s193 0.0)
(s194 0.0)
(s195 0.0)
(s196 0.0)
(s197 0.0)
(s198 0.0)
(s199 0.0)
(s200 0.0)
(s201 0.0)
(s202 0.0)
(s203 0.0)
(s204 0.0)
(s205 0.0)
(s206 0.0)
(s207 0.0)
(s208 0.0)
(s209 0.0)
(s210 0.0)
(s211 0.0)
(s212 0.0)
(s213 0.0)
(s214 0.0)
(s215 0.0)
(s216 0.0)
(s217 0.0)
(s218 0.0)
(s219 0.0)
(s220 0.0)
(s221 0.0)
(s222 0.0)
(s223 0.0)
(s224 0.0)
(s225 0.0)
(s226 0.0)
(s227 0.0)
(s228 0.0)
(s229 0.0)
(s230 0.0)
(s231 0.0)
(s232 0.0)
(s233 0.0)
(s234 0.0)
(s235 0.0)
(s236 0.0)
(s237 0.0)
(s238 0.0)
(s239 0.0)
(s240 0.0)
(s241 0.0)
(s242 0.0)
(s243 0.0)
(s244 0.0)
(s245 0.0)
(s246 0.0)
(s247 0.0)
(s248 0.0)
(s249 0.0)
(s250 0.0)
(s251 0.0)
(s252 0.0)
(s253 0.0)
(s254 0.0)
(s255 0.0)
(s256 0.0)
(s257 0.0)
(s258 0.0)
(s259 0.0)
(s260 0.0)
(s261 0.0)
(s262 0.0)
(s263 0.0)
(s264 0.0)
(s265 0.0)
(s266 0.0)
(s267 0.0)
(s268 0.0)
(s269 0.0)
(s270 0.0)
(s271 0.0)
(s272 0.0)
(s273 0.0)
(s274 0.0)
(s275 0.0)
(s276 0.0)
(s277 0.0)
(s278 0.0)
(s279 0.0)
(s280 0.0)
(s281 0.0)
(s282 0.0)
(s283 0.0)
(s284 0.0)
(s285 0.0)
(s286 0.0)
(s287 0.0)
(s288 0.0)
(s289 0.0)
(s290 0.0)
(s291 0.0)
(s292 0.0)
(s293 0.0)
(s294 0.0)
(s295 0.0)
(s296 0.0)
(s297 0.0)
(s298 0.0)
(s299 0.0)
(s300 0.0)
(s301 0.0)
(s302 0.0)
(s303 0.0)
(s304 0.0)
(s305 0.0)
(s306 1.0)
(s307 0.0)
(s308 1.0)
(s309 0.0)
(s310 1.0)
(s311 0.0)
(s312 0.0)
(s313 0.0)
(s314 0.0)
(s315 0.0)
(s316 0.0)
(s317 0.0)
(s318 0.0)
(s319 0.0)
(s320 0.0)
(s321 0.0)
(s322 0.0)
(s323 0.0)
(s324 0.0)
(s325 0.0)
(s326 1.0)
(s327 1.0)
(s328 1.0)
(s329 1.0)
(s330 1.0)
(s331 0.0)
(s332 0.0)
(s333 1.0)
(s334 1.0)
(s335 1.0)
(s336 1.0)
(s337 1.0)
(s338 1.0)
(s339 1.0)
(s340 1.0)
(s341 1.0)
(s342 1.0)
(s343 1.0)
(s344 1.0)
(s345 1.0)
(s346 1.0)
(s347 1.0)
(s348 1.0)
(s349 0.0)
(s350 0.0)
(s351 0.0)
(s352 0.0)
(s353 0.0)
(s354 0.0)
(s355 0.0)
(s356 0.0)
(s357 0.0)
(s358 0.0)
(s359 0.0)
(s360 0.0)
(s361 0.0)
(s362 0.0)
(s363 0.0)
(s364 0.0)
(s365 0.0)
(s366 0.0)
(s367 0.0)
(s368 0.0)
(s369 0.0)
(s370 0.0)
(s371 0.0)
(s372 0.0)
(s373 0.0)
(s374 0.0)
(s375 0.0)
(s376 0.0)
(s377 0.0)
(s378 0.0)
(s379 0.0)
(s380 0.0)
(s381 0.0)
(s382 0.0)
(s383 0.0)
(s384 0.0)
(s385 0.0)
(s386 0.0)
(s387 0.0)
(s388 0.0)
(s389 0.0)
(s390 0.0)
(s391 0.0)
(s392 0.0)
(s393 0.0)
(s394 0.0)
(s395 0.0)
(s396 0.0)
(s397 0.0)
(s398 0.0)
(s399 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 415/1095 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/415 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/415 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/415 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 680/1095 variables, 415/419 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1095 variables, 74/493 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 1697 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30831 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 constraints]
After SMT, in 65831ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 65851ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68449 ms. Remains : 415/415 places, 1206/1206 transitions.
[2025-06-01 10:43:52] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
Found an invariant !
This invariant on transitions {228=1, 256=1, 259=1, 315=1, 512=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 339=1, 664=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 10:43:53] [INFO ] Flatten gal took : 73 ms
RANDOM walk for 40001 steps (8 resets) in 337 ms. (118 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
[2025-06-01 10:43:53] [INFO ] Flatten gal took : 80 ms
[2025-06-01 10:43:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3928071200250772144.gal : 16 ms
[2025-06-01 10:43:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10089132331408913515.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3928071200250772144.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10089132331408913515.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10089132331408913515.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1862
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1862 after 695653
Interrupted probabilistic random walk after 372143 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :0 out of 1
Probabilistic random walk after 372143 steps, saw 228202 distinct states, run finished after 3001 ms. (steps per millisecond=124 ) properties seen :0
[2025-06-01 10:43:56] [INFO ] Flow matrix only has 680 transitions (discarded 526 similar events)
[2025-06-01 10:43:56] [INFO ] Invariant cache hit.
[2025-06-01 10:43:56] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/358 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 594/952 variables, 330/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 67/1081 variables, 65/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1081 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1089 variables, 4/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1089 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1095 variables, 4/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1095 variables, 0/492 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1095/1095 variables, and 492 constraints, problems are : Problem set: 0 solved, 1 unsolved in 471 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 344/355 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/355 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/358 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/358 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/358 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 594/952 variables, 330/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 67/1081 variables, 65/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1081 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 8/1089 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1089 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 6/1095 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1095 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1095/1095 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 466 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 415/415 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 950ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 14 ms.
Support contains 1 out of 415 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 415/415 places, 1206/1206 transitions.
Applied a total of 0 rules in 54 ms. Remains 415 /415 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 415/415 places, 1206/1206 transitions.
RANDOM walk for 30110 steps (6 resets) in 263 ms. (114 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-01 in 82152 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:43:57] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:43:57] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:43:57] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:43:57] [INFO ] Invariant cache hit.
[2025-06-01 10:43:57] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:43:58] [INFO ] [Real]Absence check using state equation in 405 ms returned sat
[2025-06-01 10:43:58] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:43:58] [INFO ] [Real]Added 100 Read/Feed constraints in 37 ms returned sat
[2025-06-01 10:43:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:43:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:43:58] [INFO ] [Nat]Absence check using state equation in 248 ms returned sat
[2025-06-01 10:43:58] [INFO ] [Nat]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:43:59] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 143 ms.
[2025-06-01 10:43:59] [INFO ] Added : 2 causal constraints over 1 iterations in 314 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1312
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1312
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 464 transition count 1310
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 32 place count 456 transition count 1292
Iterating global reduction 2 with 8 rules applied. Total rules applied 40 place count 456 transition count 1292
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 47 place count 449 transition count 1274
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 449 transition count 1274
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 60 place count 443 transition count 1262
Iterating global reduction 2 with 6 rules applied. Total rules applied 66 place count 443 transition count 1262
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 72 place count 437 transition count 1250
Iterating global reduction 2 with 6 rules applied. Total rules applied 78 place count 437 transition count 1250
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 84 place count 431 transition count 1238
Iterating global reduction 2 with 6 rules applied. Total rules applied 90 place count 431 transition count 1238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 94 place count 427 transition count 1230
Iterating global reduction 2 with 4 rules applied. Total rules applied 98 place count 427 transition count 1230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 101 place count 424 transition count 1224
Iterating global reduction 2 with 3 rules applied. Total rules applied 104 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 106 place count 422 transition count 1220
Iterating global reduction 2 with 2 rules applied. Total rules applied 108 place count 422 transition count 1220
Applied a total of 108 rules in 269 ms. Remains 422 /475 variables (removed 53) and now considering 1220/1335 (removed 115) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 270 ms. Remains : 422/475 places, 1220/1335 transitions.
[2025-06-01 10:43:59] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:44:00] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2025-06-01 10:44:00] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3292 ms. (303 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 711 ms. (1404 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[216] Max Struct:[+inf]
[2025-06-01 10:44:04] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:44:04] [INFO ] Invariant cache hit.
[2025-06-01 10:44:04] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:44:04] [INFO ] [Real]Absence check using state equation in 248 ms returned sat
[2025-06-01 10:44:04] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:44:04] [INFO ] [Real]Added 75 Read/Feed constraints in 26 ms returned sat
[2025-06-01 10:44:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:44:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:44:05] [INFO ] [Nat]Absence check using state equation in 249 ms returned sat
[2025-06-01 10:44:05] [INFO ] [Nat]Added 75 Read/Feed constraints in 32 ms returned sat
[2025-06-01 10:44:05] [INFO ] Deduced a trap composed of 113 places in 446 ms of which 6 ms to minimize.
[2025-06-01 10:44:06] [INFO ] Deduced a trap composed of 109 places in 467 ms of which 5 ms to minimize.
[2025-06-01 10:44:06] [INFO ] Deduced a trap composed of 87 places in 514 ms of which 6 ms to minimize.
[2025-06-01 10:44:07] [INFO ] Deduced a trap composed of 85 places in 488 ms of which 6 ms to minimize.
[2025-06-01 10:44:07] [INFO ] Deduced a trap composed of 76 places in 438 ms of which 5 ms to minimize.
[2025-06-01 10:44:08] [INFO ] Deduced a trap composed of 73 places in 579 ms of which 6 ms to minimize.
[2025-06-01 10:44:08] [INFO ] Deduced a trap composed of 71 places in 489 ms of which 4 ms to minimize.
[2025-06-01 10:44:09] [INFO ] Deduced a trap composed of 70 places in 363 ms of which 4 ms to minimize.
[2025-06-01 10:44:09] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 4064 ms
[2025-06-01 10:44:09] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 120 ms.
[2025-06-01 10:44:09] [INFO ] Added : 12 causal constraints over 3 iterations in 539 ms. Result :sat
Minimization took 523 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[216] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[216] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 89 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 84 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 10:44:10] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:44:10] [INFO ] Invariant cache hit.
[2025-06-01 10:44:11] [INFO ] Implicit Places using invariants in 901 ms returned []
[2025-06-01 10:44:11] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:44:11] [INFO ] Invariant cache hit.
[2025-06-01 10:44:12] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:44:14] [INFO ] Implicit Places using invariants and state equation in 2707 ms returned []
Implicit Place search using SMT with State Equation took 3610 ms to find 0 implicit places.
[2025-06-01 10:44:14] [INFO ] Redundant transitions in 33 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 10:44:14] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:44:14] [INFO ] Invariant cache hit.
[2025-06-01 10:44:14] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2025-06-01 10:44:37] [INFO ] Deduced a trap composed of 131 places in 278 ms of which 3 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1111 variables, 75/501 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1719 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 31124 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
After SMT, in 65994ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 66014ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69750 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-01 10:45:20] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[216] Max Struct:[+inf]
[2025-06-01 10:45:20] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:45:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[216] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3318 ms. (301 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 728 ms. (1371 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[216] Max Struct:[+inf]
[2025-06-01 10:45:24] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:45:24] [INFO ] Invariant cache hit.
[2025-06-01 10:45:24] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:45:25] [INFO ] [Real]Absence check using state equation in 378 ms returned sat
[2025-06-01 10:45:25] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:45:25] [INFO ] [Real]Added 75 Read/Feed constraints in 43 ms returned sat
[2025-06-01 10:45:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:45:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:45:25] [INFO ] [Nat]Absence check using state equation in 362 ms returned sat
[2025-06-01 10:45:25] [INFO ] [Nat]Added 75 Read/Feed constraints in 60 ms returned sat
[2025-06-01 10:45:26] [INFO ] Deduced a trap composed of 113 places in 573 ms of which 7 ms to minimize.
[2025-06-01 10:45:27] [INFO ] Deduced a trap composed of 109 places in 553 ms of which 7 ms to minimize.
[2025-06-01 10:45:27] [INFO ] Deduced a trap composed of 87 places in 554 ms of which 7 ms to minimize.
[2025-06-01 10:45:28] [INFO ] Deduced a trap composed of 85 places in 527 ms of which 6 ms to minimize.
[2025-06-01 10:45:28] [INFO ] Deduced a trap composed of 76 places in 501 ms of which 5 ms to minimize.
[2025-06-01 10:45:29] [INFO ] Deduced a trap composed of 73 places in 481 ms of which 5 ms to minimize.
[2025-06-01 10:45:29] [INFO ] Deduced a trap composed of 71 places in 494 ms of which 5 ms to minimize.
[2025-06-01 10:45:30] [INFO ] Deduced a trap composed of 70 places in 479 ms of which 5 ms to minimize.
[2025-06-01 10:45:30] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 4505 ms
[2025-06-01 10:45:30] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 120 ms.
[2025-06-01 10:45:31] [INFO ] Added : 12 causal constraints over 3 iterations in 520 ms. Result :sat
Minimization took 511 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[216] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[216] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 84 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 84 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 10:45:31] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:45:31] [INFO ] Invariant cache hit.
[2025-06-01 10:45:32] [INFO ] Implicit Places using invariants in 860 ms returned []
[2025-06-01 10:45:32] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:45:32] [INFO ] Invariant cache hit.
[2025-06-01 10:45:33] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:45:35] [INFO ] Implicit Places using invariants and state equation in 2523 ms returned []
Implicit Place search using SMT with State Equation took 3385 ms to find 0 implicit places.
[2025-06-01 10:45:35] [INFO ] Redundant transitions in 21 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 10:45:35] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:45:35] [INFO ] Invariant cache hit.
[2025-06-01 10:45:35] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2025-06-01 10:45:57] [INFO ] Deduced a trap composed of 131 places in 297 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1111 variables, 75/501 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1719 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 31147 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
After SMT, in 67063ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 67075ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70573 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-01 10:46:42] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[216] Max Struct:[+inf]
[2025-06-01 10:46:42] [INFO ] Flatten gal took : 61 ms
RANDOM walk for 40003 steps (8 resets) in 350 ms. (113 steps per ms) remains 1/1 properties
[2025-06-01 10:46:42] [INFO ] Flatten gal took : 62 ms
[2025-06-01 10:46:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6228696118496652554.gal : 16 ms
[2025-06-01 10:46:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9793914089859481935.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6228696118496652554.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9793914089859481935.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40003 steps (8 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality9793914089859481935.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1862
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1862 after 695653
Interrupted probabilistic random walk after 309739 steps, run timeout after 3001 ms. (steps per millisecond=103 ) properties seen :0 out of 1
Probabilistic random walk after 309739 steps, saw 189938 distinct states, run finished after 3001 ms. (steps per millisecond=103 ) properties seen :0
[2025-06-01 10:46:45] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:46:45] [INFO ] Invariant cache hit.
[2025-06-01 10:46:45] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 457 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 455 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 923ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1814 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 53 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 422/422 places, 1220/1220 transitions.
RANDOM walk for 40000 steps (8 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :695653 after 6.64141e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6.64141e+07 after 2.25041e+08
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.25041e+08 after 2.6536e+08
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.6536e+08 after 3.64167e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.64167e+08 after 4.55772e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.55772e+08 after 5.88609e+08
Interrupted probabilistic random walk after 402420 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 1
Probabilistic random walk after 402420 steps, saw 246766 distinct states, run finished after 3001 ms. (steps per millisecond=134 ) properties seen :0
[2025-06-01 10:46:51] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:46:51] [INFO ] Invariant cache hit.
[2025-06-01 10:46:51] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1046 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1046 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 65/1111 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1111 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 420 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 425 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 854ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.88609e+08 after 1.4262e+09
Parikh walk visited 0 properties in 1760 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 49 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 51 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 10:46:54] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:46:54] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.4262e+09 after 1.49771e+09
[2025-06-01 10:46:55] [INFO ] Implicit Places using invariants in 620 ms returned []
[2025-06-01 10:46:55] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:46:55] [INFO ] Invariant cache hit.
[2025-06-01 10:46:55] [INFO ] State equation strengthened by 75 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.49771e+09 after 1.68804e+09
[2025-06-01 10:46:57] [INFO ] Implicit Places using invariants and state equation in 1967 ms returned []
Implicit Place search using SMT with State Equation took 2588 ms to find 0 implicit places.
[2025-06-01 10:46:57] [INFO ] Redundant transitions in 21 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 10:46:57] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:46:57] [INFO ] Invariant cache hit.
[2025-06-01 10:46:57] [INFO ] State equation strengthened by 75 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.68804e+09 after 2.07814e+09
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :2.07814e+09 after 2.89484e+09
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :2.89484e+09 after 4.52516e+09
[2025-06-01 10:47:15] [INFO ] Deduced a trap composed of 131 places in 226 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 1.0)
(s60 0.0)
(s61 1.0)
(s62 0.0)
(s63 1.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 1.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
(s104 0.0)
(s105 0.0)
(s106 0.0)
(s107 0.0)
(s108 0.0)
(s109 0.0)
(s110 0.0)
(s111 0.0)
(s112 0.0)
(s113 0.0)
(s114 0.0)
(s115 0.0)
(s116 0.0)
(s117 0.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 0.0)
(s123 0.0)
(s124 0.0)
(s125 0.0)
(s126 0.0)
(s127 0.0)
(s128 0.0)
(s129 0.0)
(s130 0.0)
(s131 0.0)
(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)
(s136 0.0)
(s137 0.0)
(s138 0.0)
(s139 0.0)
(s140 0.0)
(s141 0.0)
(s142 0.0)
(s143 0.0)
(s144 0.0)
(s145 0.0)
(s146 0.0)
(s147 0.0)
(s148 0.0)
(s149 0.0)
(s150 0.0)
(s151 0.0)
(s152 0.0)
(s153 0.0)
(s154 0.0)
(s155 0.0)
(s156 0.0)
(s157 0.0)
(s158 0.0)
(s159 0.0)
(s160 0.0)
(s161 0.0)
(s162 0.0)
(s163 0.0)
(s164 0.0)
(s165 0.0)
(s166 0.0)
(s167 0.0)
(s168 0.0)
(s169 0.0)
(s170 0.0)
(s171 0.0)
(s172 0.0)
(s173 0.0)
(s174 0.0)
(s175 0.0)
(s176 0.0)
(s177 0.0)
(s178 0.0)
(s179 0.0)
(s180 0.0)
(s181 0.0)
(s182 0.0)
(s183 0.0)
(s184 0.0)
(s185 0.0)
(s186 0.0)
(s187 0.0)
(s188 0.0)
(s189 0.0)
(s190 0.0)
(s191 0.0)
(s192 0.0)
(s193 0.0)
(s194 0.0)
(s195 0.0)
(s196 0.0)
(s197 0.0)
(s198 0.0)
(s199 0.0)
(s200 0.0)
(s201 0.0)
(s202 0.0)
(s203 0.0)
(s204 0.0)
(s205 0.0)
(s206 0.0)
(s207 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
Detected timeout of ITS tools.
[2025-06-01 10:47:32] [INFO ] Flatten gal took : 51 ms
[2025-06-01 10:47:32] [INFO ] Applying decomposition
[2025-06-01 10:47:33] [INFO ] Flatten gal took : 41 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph16193940181935153722.txt' '-o' '/tmp/graph16193940181935153722.bin' '-w' '/tmp/graph16193940181935153722.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph16193940181935153722.bin' '-l' '-1' '-v' '-w' '/tmp/graph16193940181935153722.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:47:33] [INFO ] Decomposing Gal with order
[2025-06-01 10:47:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:47:33] [INFO ] Removed a total of 2083 redundant transitions.
[2025-06-01 10:47:33] [INFO ] Flatten gal took : 77 ms
[2025-06-01 10:47:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 953 labels/synchronizations in 58 ms.
[2025-06-01 10:47:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18289272873242453287.gal : 9 ms
[2025-06-01 10:47:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2937043392362437321.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18289272873242453287.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2937043392362437321.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality2937043392362437321.prop.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1111 variables, 75/501 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1111 variables, 1218/1719 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1719 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
After SMT, in 65556ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 65569ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68238 ms. Remains : 422/422 places, 1220/1220 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 531 transitions
Reduce isomorphic transitions removed 531 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 541 rules applied. Total rules applied 541 place count 422 transition count 679
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 551 place count 412 transition count 679
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 551 place count 412 transition count 606
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 697 place count 339 transition count 606
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 951 place count 212 transition count 479
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1015 place count 148 transition count 351
Iterating global reduction 2 with 64 rules applied. Total rules applied 1079 place count 148 transition count 351
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1080 place count 148 transition count 350
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1143 place count 85 transition count 224
Iterating global reduction 3 with 63 rules applied. Total rules applied 1206 place count 85 transition count 224
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1269 place count 22 transition count 98
Iterating global reduction 3 with 63 rules applied. Total rules applied 1332 place count 22 transition count 98
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1395 place count 22 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1395 place count 22 transition count 34
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1397 place count 21 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1399 place count 20 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 19 transition count 33
Applied a total of 1401 rules in 101 ms. Remains 19 /422 variables (removed 403) and now considering 33/1220 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 19 cols
[2025-06-01 10:48:02] [INFO ] Computed 3 invariants in 1 ms
[2025-06-01 10:48:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:48:02] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 10:48:02] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 10:48:02] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 10:48:02] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 10:48:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:48:02] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 10:48:02] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 10:48:02] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:48:02] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:48:02] [INFO ] Flatten gal took : 1 ms
[2025-06-01 10:48:02] [INFO ] Flatten gal took : 2 ms
[2025-06-01 10:48:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14800556295409303582.gal : 1 ms
[2025-06-01 10:48:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7474091782183371434.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14800556295409303582.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7474091782183371434.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7474091782183371434.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 45
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :45 after 285
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :285 after 625
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :625 after 1285
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1285 after 2585
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2585 after 5165
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5165 after 10305
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :10305 after 20565
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :20565 after 41065
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :41065 after 82045
Detected timeout of ITS tools.
[2025-06-01 10:48:17] [INFO ] Flatten gal took : 1 ms
[2025-06-01 10:48:17] [INFO ] Applying decomposition
[2025-06-01 10:48:17] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph407288715449458212.txt' '-o' '/tmp/graph407288715449458212.bin' '-w' '/tmp/graph407288715449458212.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph407288715449458212.bin' '-l' '-1' '-v' '-w' '/tmp/graph407288715449458212.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:48:17] [INFO ] Decomposing Gal with order
[2025-06-01 10:48:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:48:17] [INFO ] Removed a total of 36 redundant transitions.
[2025-06-01 10:48:17] [INFO ] Flatten gal took : 3 ms
[2025-06-01 10:48:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-01 10:48:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15049819757293209226.gal : 1 ms
[2025-06-01 10:48:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3186011411736727594.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15049819757293209226.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3186011411736727594.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3186011411736727594.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30279 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[216] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-02 in 275155 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:48:32] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:48:32] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:48:32] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:48:32] [INFO ] Invariant cache hit.
[2025-06-01 10:48:33] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:48:33] [INFO ] [Real]Absence check using state equation in 270 ms returned sat
[2025-06-01 10:48:33] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:48:33] [INFO ] [Real]Added 100 Read/Feed constraints in 41 ms returned sat
[2025-06-01 10:48:33] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:48:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:48:33] [INFO ] [Nat]Absence check using state equation in 270 ms returned sat
[2025-06-01 10:48:33] [INFO ] [Nat]Added 100 Read/Feed constraints in 52 ms returned sat
[2025-06-01 10:48:33] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 90 ms.
[2025-06-01 10:48:34] [INFO ] Added : 1 causal constraints over 1 iterations in 195 ms. Result :sat
Minimization took 360 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1312
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1312
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 464 transition count 1310
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 32 place count 456 transition count 1292
Iterating global reduction 2 with 8 rules applied. Total rules applied 40 place count 456 transition count 1292
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 47 place count 449 transition count 1272
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 449 transition count 1272
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 61 place count 442 transition count 1258
Iterating global reduction 2 with 7 rules applied. Total rules applied 68 place count 442 transition count 1258
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 75 place count 435 transition count 1244
Iterating global reduction 2 with 7 rules applied. Total rules applied 82 place count 435 transition count 1244
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 89 place count 428 transition count 1230
Iterating global reduction 2 with 7 rules applied. Total rules applied 96 place count 428 transition count 1230
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 101 place count 423 transition count 1220
Iterating global reduction 2 with 5 rules applied. Total rules applied 106 place count 423 transition count 1220
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 110 place count 419 transition count 1212
Iterating global reduction 2 with 4 rules applied. Total rules applied 114 place count 419 transition count 1212
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 117 place count 416 transition count 1206
Iterating global reduction 2 with 3 rules applied. Total rules applied 120 place count 416 transition count 1206
Applied a total of 120 rules in 237 ms. Remains 416 /475 variables (removed 59) and now considering 1206/1335 (removed 129) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 239 ms. Remains : 416/475 places, 1206/1335 transitions.
[2025-06-01 10:48:34] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:48:35] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
// Phase 1: matrix 681 rows 416 cols
[2025-06-01 10:48:35] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2875 ms. (347 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 687 ms. (1453 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:48:38] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 10:48:38] [INFO ] Invariant cache hit.
[2025-06-01 10:48:38] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:48:39] [INFO ] [Real]Absence check using state equation in 332 ms returned sat
[2025-06-01 10:48:39] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 10:48:39] [INFO ] [Real]Added 74 Read/Feed constraints in 59 ms returned sat
[2025-06-01 10:48:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:48:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:48:39] [INFO ] [Nat]Absence check using state equation in 337 ms returned sat
[2025-06-01 10:48:39] [INFO ] [Nat]Added 74 Read/Feed constraints in 45 ms returned sat
[2025-06-01 10:48:39] [INFO ] Computed and/alt/rep : 330/1240/330 causal constraints (skipped 349 transitions) in 109 ms.
[2025-06-01 10:48:40] [INFO ] Deduced a trap composed of 74 places in 577 ms of which 7 ms to minimize.
[2025-06-01 10:48:41] [INFO ] Deduced a trap composed of 70 places in 559 ms of which 7 ms to minimize.
[2025-06-01 10:48:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1293 ms
[2025-06-01 10:48:41] [INFO ] Added : 4 causal constraints over 2 iterations in 1683 ms. Result :sat
Minimization took 466 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 88 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 416/416 places, 1206/1206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 85 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
[2025-06-01 10:48:42] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 10:48:42] [INFO ] Invariant cache hit.
[2025-06-01 10:48:43] [INFO ] Implicit Places using invariants in 818 ms returned []
[2025-06-01 10:48:43] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 10:48:43] [INFO ] Invariant cache hit.
[2025-06-01 10:48:43] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-01 10:48:45] [INFO ] Implicit Places using invariants and state equation in 2661 ms returned []
Implicit Place search using SMT with State Equation took 3481 ms to find 0 implicit places.
[2025-06-01 10:48:45] [INFO ] Redundant transitions in 31 ms returned []
Running 1204 sub problems to find dead transitions.
[2025-06-01 10:48:45] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 10:48:45] [INFO ] Invariant cache hit.
[2025-06-01 10:48:45] [INFO ] State equation strengthened by 74 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
[2025-06-01 10:49:11] [INFO ] Deduced a trap composed of 131 places in 469 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1097 variables, and 4 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 3 (OVERLAPS) 681/1097 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1097 variables, 74/494 constraints. Problems are: Problem set: 0 solved, 1204 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 1698 constraints, problems are : Problem set: 0 solved, 1204 unsolved in 31106 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1204/1204 constraints, Known Traps: 1/1 constraints]
After SMT, in 66898ms problems are : Problem set: 0 solved, 1204 unsolved
Search for dead transitions found 0 dead transitions in 66919ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70527 ms. Remains : 416/416 places, 1206/1206 transitions.
[2025-06-01 10:49:52] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {253=1, 340=1, 666=1, 679=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {233=1, 320=1, 646=1, 679=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:49:53] [INFO ] Flatten gal took : 57 ms
RANDOM walk for 40006 steps (8 resets) in 317 ms. (125 steps per ms) remains 1/1 properties
[2025-06-01 10:49:53] [INFO ] Flatten gal took : 55 ms
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
[2025-06-01 10:49:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11102062654040698503.gal : 18 ms
[2025-06-01 10:49:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15931354378291927095.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11102062654040698503.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15931354378291927095.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15931354378291927095.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1862
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1862 after 695653
Interrupted probabilistic random walk after 375253 steps, run timeout after 3001 ms. (steps per millisecond=125 ) properties seen :0 out of 1
Probabilistic random walk after 375253 steps, saw 230108 distinct states, run finished after 3001 ms. (steps per millisecond=125 ) properties seen :0
[2025-06-01 10:49:56] [INFO ] Flow matrix only has 681 transitions (discarded 525 similar events)
[2025-06-01 10:49:56] [INFO ] Invariant cache hit.
[2025-06-01 10:49:56] [INFO ] State equation strengthened by 74 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/355 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/355 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 598/953 variables, 332/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/953 variables, 73/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1015 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1015 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/1083 variables, 66/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1083 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 8/1091 variables, 4/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1091 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/1097 variables, 4/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1097 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1097/1097 variables, and 493 constraints, problems are : Problem set: 0 solved, 1 unsolved in 404 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 346/350 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/350 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/350 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/350 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/355 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/355 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/355 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 598/953 variables, 332/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/953 variables, 73/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/953 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1015 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1015 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/1083 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1083 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/1091 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1091 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/1097 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1097 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1097/1097 variables, and 494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 437 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 74/74 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 852ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 6 ms.
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1206/1206 transitions.
Applied a total of 0 rules in 49 ms. Remains 416 /416 variables (removed 0) and now considering 1206/1206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 416/416 places, 1206/1206 transitions.
RANDOM walk for 40000 steps (8 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 23964 steps (5 resets) in 23 ms. (998 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-04 in 84502 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:49:57] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:49:57] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:49:57] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:49:57] [INFO ] Invariant cache hit.
[2025-06-01 10:49:57] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:49:57] [INFO ] [Real]Absence check using state equation in 262 ms returned sat
[2025-06-01 10:49:57] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:49:57] [INFO ] [Real]Added 100 Read/Feed constraints in 66 ms returned sat
[2025-06-01 10:49:57] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:49:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:49:58] [INFO ] [Nat]Absence check using state equation in 428 ms returned sat
[2025-06-01 10:49:58] [INFO ] [Nat]Added 100 Read/Feed constraints in 74 ms returned sat
[2025-06-01 10:49:58] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 144 ms.
[2025-06-01 10:49:58] [INFO ] Added : 2 causal constraints over 1 iterations in 314 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1312
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1312
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 464 transition count 1310
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 32 place count 456 transition count 1292
Iterating global reduction 2 with 8 rules applied. Total rules applied 40 place count 456 transition count 1292
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 47 place count 449 transition count 1274
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 449 transition count 1274
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 60 place count 443 transition count 1262
Iterating global reduction 2 with 6 rules applied. Total rules applied 66 place count 443 transition count 1262
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 72 place count 437 transition count 1250
Iterating global reduction 2 with 6 rules applied. Total rules applied 78 place count 437 transition count 1250
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 84 place count 431 transition count 1238
Iterating global reduction 2 with 6 rules applied. Total rules applied 90 place count 431 transition count 1238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 94 place count 427 transition count 1230
Iterating global reduction 2 with 4 rules applied. Total rules applied 98 place count 427 transition count 1230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 101 place count 424 transition count 1224
Iterating global reduction 2 with 3 rules applied. Total rules applied 104 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 106 place count 422 transition count 1220
Iterating global reduction 2 with 2 rules applied. Total rules applied 108 place count 422 transition count 1220
Applied a total of 108 rules in 257 ms. Remains 422 /475 variables (removed 53) and now considering 1220/1335 (removed 115) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 258 ms. Remains : 422/475 places, 1220/1335 transitions.
[2025-06-01 10:49:59] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:50:00] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2025-06-01 10:50:00] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2863 ms. (349 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 697 ms. (1432 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:50:03] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:50:03] [INFO ] Invariant cache hit.
[2025-06-01 10:50:03] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:50:04] [INFO ] [Real]Absence check using state equation in 237 ms returned sat
[2025-06-01 10:50:04] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:50:04] [INFO ] [Real]Added 75 Read/Feed constraints in 48 ms returned sat
[2025-06-01 10:50:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:50:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:50:04] [INFO ] [Nat]Absence check using state equation in 289 ms returned sat
[2025-06-01 10:50:04] [INFO ] [Nat]Added 75 Read/Feed constraints in 50 ms returned sat
[2025-06-01 10:50:04] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 104 ms.
[2025-06-01 10:50:05] [INFO ] Added : 10 causal constraints over 4 iterations in 427 ms. Result :sat
Minimization took 499 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 83 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 77 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 10:50:05] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:50:05] [INFO ] Invariant cache hit.
[2025-06-01 10:50:06] [INFO ] Implicit Places using invariants in 941 ms returned []
[2025-06-01 10:50:06] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:50:06] [INFO ] Invariant cache hit.
[2025-06-01 10:50:07] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:50:09] [INFO ] Implicit Places using invariants and state equation in 2695 ms returned []
Implicit Place search using SMT with State Equation took 3638 ms to find 0 implicit places.
[2025-06-01 10:50:09] [INFO ] Redundant transitions in 33 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 10:50:09] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 10:50:09] [INFO ] Invariant cache hit.
[2025-06-01 10:50:09] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2025-06-01 10:50:35] [INFO ] Deduced a trap composed of 131 places in 485 ms of which 6 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 1.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
(s104 0.0)
(s105 0.0)
(s106 0.0)
(s107 0.0)
(s108 0.0)
(s109 0.0)
(s110 0.0)
(s111 0.0)
(s112 0.0)
(s113 0.0)
(s114 0.0)
(s115 0.0)
(s116 0.0)
(s117 0.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 0.0)
(s123 0.0)
(s124 0.0)
(s125 0.0)
(s126 0.0)
(s127 0.0)
(s128 0.0)
(s129 0.0)
(s130 0.0)
(s131 0.0)
(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)
(s136 1.0)
(s137 1.0)
(s138 0.0)
(s139 0.0)
(s140 0.0)
(s141 0.0)
(s142 0.0)
(s143 0.0)
(s144 0.0)
(s145 0.0)
(s146 0.0)
(s147 0.0)
(s148 0.0)
(s149 0.0)
(s150 0.0)
(s151 0.0)
(s152 0.0)
(s153 0.0)
(s154 0.0)
(s155 0.0)
(s156 0.0)
(s157 0.0)
(s158 0.0)
(s159 0.0)
(s160 0.0)
(s161 0.0)
(s162 0.0)
(s163 0.0)
(s164 0.0)
(s165 0.0)
(s166 0.0)
(s167 0.0)
(s168 0.0)
(s169 0.0)
(s170 0.0)
(s171 0.0)
(s172 0.0)
(s173 0.0)
(s174 0.0)
(s175 0.0)
(s176 0.0)
(s177 0.0)
(s178 0.0)
(s179 0.0)
(s180 0.0)
(s181 0.0)
(s182 0.0)
(s183 0.0)
(s184 0.0)
(s185 0.0)
(s186 0.0)
(s187 0.0)
(s188 0.0)
(s189 0.0)
(s190 0.0)
(s191 0.0)
(s192 0.0)
(s193 0.0)
(s194 0.0)
(s195 0.0)
(s196 0.0)
(s197 0.0)
(s198 0.0)
(s199 0.0)
(s200 0.0)
(s201 0.0)
(s202 0.0)
(s203 0.0)
(s204 0.0)
(s205 0.0)
(s206 0.0)
(s207 0.0)
(s208 0.0)
(s209 0.0)
(s210 0.0)
(s211 0.0)
(s212 0.0)
(s213 0.0)
(s214 0.0)
(s215 0.0)
(s216 0.0)
(s217 0.0)
(s218 0.0)
(s219 0.0)
(s220 0.0)
(s221 0.0)
(s222 0.0)
(s223 0.0)
(s224 0.0)
(s225 0.0)
(s226 0.0)
(s227 0.0)
(s228 0.0)
(s229 0.0)
(s230 0.0)
(s231 0.0)
(s232 0.0)
(s233 0.0)
(s234 0.0)
(s235 0.0)
(s236 0.0)
(s237 0.0)
(s238 0.0)
(s239 0.0)
(s240 0.0)
(s241 0.0)
(s242 0.0)
(s243 0.0)
(s244 0.0)
(s245 0.0)
(s246 0.0)
(s247 0.0)
(s248 0.0)
(s249 0.0)
(s250 0.0)
(s251 0.0)
(s252 0.0)
(s253 0.0)
(s254 0.0)
(s255 0.0)
(s256 0.0)
(s257 0.0)
(s258 0.0)
(s259 0.0)
(s260 0.0)
(s261 0.0)
(s262 0.0)
(s263 0.0)
(s264 0.0)
(s265 0.0)
(s266 0.0)
(s267 0.0)
(s268 0.0)
(s269 0.0)
(s270 0.0)
(s271 0.0)
(s272 0.0)
(s273 0.0)
(s274 0.0)
(s275 0.0)
(s276 0.0)
(s277 0.0)
(s278 0.0)
(s279 0.0)
(s280 0.0)
(s281 0.0)
(s282 0.0)
(s283 0.0)
(s284 0.0)
(s285 0.0)
(s286 0.0)
(s287 0.0)
(s288 0.0)
(s289 0.0)
(s290 0.0)
(s291 0.0)
(s292 0.0)
(s293 0.0)
(s294 0.0)
(s295 0.0)
(s296 0.0)
(s297 0.0)
(s298 0.0)
(s299 0.0)
(s300 0.0)
(s301 0.0)
(s302 0.0)
(s303 0.0)
(s304 0.0)
(s305 0.0)
(s306 0.0)
(s307 0.0)
(s308 0.0)
(s309 0.0)
(s310 0.0)
(s311 0.0)
(s312 0.0)
(s313 0.0)
(s314 0.0)
(s315 0.0)
(s316 0.0)
(s317 0.0)
(s318 0.0)
(s319 0.0)
(s320 0.0)
(s321 0.0)
(s322 0.0)
(s323 0.0)
(s324 1.0)
(s325 1.0)
(s326 1.0)
(s327 1.0)
(s328 1.0)
(s329 1.0)
(s330 1.0)
(s331 1.0)
(s332 0.0)
(s333 0.0)
(s334 0.0)
(s335 0.0)
(s336 1.0)
(s337 1.0)
(s338 1.0)
(s339 1.0)
(s340 1.0)
(s341 1.0)
(s342 1.0)
(s343 1.0)
(s344 1.0)
(s345 1.0)
(s346 1.0)
(s347 1.0)
(s348 1.0)
(s349 1.0)
(s350 1.0)
(s351 1.0)
(s352 1.0)
(s353 1.0)
(s354 1.0)
(s355 1.0)
(s356 0.0)
(s357 0.0)
(s358 0.0)
(s359 0.0)
(s360 0.0)
(s361 0.0)
(s362 0.0)
(s363 0.0)
(s364 0.0)
(s365 0.0)
(s366 0.0)
(s367 0.0)
(s368 0.0)
(s369 0.0)
(s370 0.0)
(s371 0.0)
(s372 0.0)
(s373 0.0)
(s374 0.0)
(s375 0.0)
(s376 0.0)
(s377 0.0)
(s378 0.0)
(s379 0.0)
(s380 0.0)
(s381 0.0)
(s382 0.0)
(s383 0.0)
(s384 0.0)
(s385 0.0)
(s386 0.0)
(s387 0.0)
(s388 0.0)
(s389 0.0)
(s390 0.0)
(s391 0.0)
(s392 0.0)
(s393 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1111 variables, 75/501 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1719 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 31090 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
After SMT, in 67072ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 67092ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70850 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-01 10:51:16] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:51:17] [INFO ] Flatten gal took : 34 ms
RANDOM walk for 30148 steps (6 resets) in 126 ms. (237 steps per ms) remains 0/1 properties
[2025-06-01 10:51:17] [INFO ] Flatten gal took : 32 ms
[2025-06-01 10:51:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16614040218430554996.gal : 6 ms
[2025-06-01 10:51:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8206999159374835897.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16614040218430554996.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8206999159374835897.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-06 in 79688 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:51:17] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:51:17] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:51:17] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:51:17] [INFO ] Invariant cache hit.
[2025-06-01 10:51:17] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 10:51:17] [INFO ] [Real]Absence check using state equation in 383 ms returned sat
[2025-06-01 10:51:17] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:51:17] [INFO ] [Real]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:51:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:51:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:51:18] [INFO ] [Nat]Absence check using state equation in 407 ms returned sat
[2025-06-01 10:51:18] [INFO ] [Nat]Added 100 Read/Feed constraints in 41 ms returned sat
[2025-06-01 10:51:18] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 86 ms.
[2025-06-01 10:51:18] [INFO ] Added : 2 causal constraints over 1 iterations in 193 ms. Result :sat
Minimization took 378 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1312
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1312
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 464 transition count 1310
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 32 place count 456 transition count 1294
Iterating global reduction 2 with 8 rules applied. Total rules applied 40 place count 456 transition count 1294
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 47 place count 449 transition count 1274
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 449 transition count 1274
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 60 place count 443 transition count 1262
Iterating global reduction 2 with 6 rules applied. Total rules applied 66 place count 443 transition count 1262
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 72 place count 437 transition count 1250
Iterating global reduction 2 with 6 rules applied. Total rules applied 78 place count 437 transition count 1250
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 84 place count 431 transition count 1238
Iterating global reduction 2 with 6 rules applied. Total rules applied 90 place count 431 transition count 1238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 94 place count 427 transition count 1230
Iterating global reduction 2 with 4 rules applied. Total rules applied 98 place count 427 transition count 1230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 101 place count 424 transition count 1224
Iterating global reduction 2 with 3 rules applied. Total rules applied 104 place count 424 transition count 1224
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 107 place count 421 transition count 1218
Iterating global reduction 2 with 3 rules applied. Total rules applied 110 place count 421 transition count 1218
Applied a total of 110 rules in 160 ms. Remains 421 /475 variables (removed 54) and now considering 1218/1335 (removed 117) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 421/475 places, 1218/1335 transitions.
[2025-06-01 10:51:19] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:51:19] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
// Phase 1: matrix 688 rows 421 cols
[2025-06-01 10:51:19] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 2866 ms. (348 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 689 ms. (1449 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:51:23] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:51:23] [INFO ] Invariant cache hit.
[2025-06-01 10:51:23] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:51:23] [INFO ] [Real]Absence check using state equation in 295 ms returned sat
[2025-06-01 10:51:23] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:51:23] [INFO ] [Real]Added 75 Read/Feed constraints in 65 ms returned sat
[2025-06-01 10:51:23] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:51:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:51:24] [INFO ] [Nat]Absence check using state equation in 367 ms returned sat
[2025-06-01 10:51:24] [INFO ] [Nat]Added 75 Read/Feed constraints in 64 ms returned sat
[2025-06-01 10:51:24] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 129 ms.
[2025-06-01 10:51:24] [INFO ] Added : 12 causal constraints over 5 iterations in 553 ms. Result :sat
Minimization took 494 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 77 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 77 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-01 10:51:25] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:51:25] [INFO ] Invariant cache hit.
[2025-06-01 10:51:26] [INFO ] Implicit Places using invariants in 921 ms returned []
[2025-06-01 10:51:26] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:51:26] [INFO ] Invariant cache hit.
[2025-06-01 10:51:26] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:51:29] [INFO ] Implicit Places using invariants and state equation in 2768 ms returned []
Implicit Place search using SMT with State Equation took 3691 ms to find 0 implicit places.
[2025-06-01 10:51:29] [INFO ] Redundant transitions in 31 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-01 10:51:29] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:51:29] [INFO ] Invariant cache hit.
[2025-06-01 10:51:29] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
[2025-06-01 10:51:50] [INFO ] Deduced a trap composed of 131 places in 447 ms of which 6 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 1.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
(s104 0.0)
(s105 0.0)
(s106 0.0)
(s107 0.0)
(s108 0.0)
(s109 0.0)
(s110 0.0)
(s111 0.0)
(s112 0.0)
(s113 0.0)
(s114 0.0)
(s115 0.0)
(s116 0.0)
(s117 0.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 0.0)
(s123 0.0)
(s124 0.0)
(s125 0.0)
(s126 0.0)
(s127 0.0)
(s128 0.0)
(s129 0.0)
(s130 0.0)
(s131 0.0)
(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)
(s136 0.0)
(s137 0.0)
(s138 0.0)
(s139 0.0)
(s140 0.0)
(s141 0.0)
(s142 0.0)
(s143 0.0)
(s144 0.0)
(s145 0.0)
(s146 0.0)
(s147 0.0)
(s148 0.0)
(s149 0.0)
(s150 0.0)
(s151 0.0)
(s152 0.0)
(s153 0.0)
(s154 0.0)
(s155 0.0)
(s156 0.0)
(s157 0.0)
(s158 0.0)
(s159 1.0)
(s160 0.0)
(s161 0.0)
(s162 1.0)
(s163 0.0)
(s164 1.0)
(s165 0.0)
(s166 0.0)
(s167 0.0)
(s168 0.0)
(s169 0.0)
(s170 0.0)
(s171 0.0)
(s172 0.0)timeout

( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1109 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 1716 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30976 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints]
After SMT, in 65786ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 65804ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69613 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-01 10:52:35] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 10:52:35] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:52:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 2909 ms. (343 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 698 ms. (1430 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 10:52:39] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:52:39] [INFO ] Invariant cache hit.
[2025-06-01 10:52:39] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 10:52:39] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2025-06-01 10:52:39] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:52:39] [INFO ] [Real]Added 75 Read/Feed constraints in 56 ms returned sat
[2025-06-01 10:52:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:52:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:52:39] [INFO ] [Nat]Absence check using state equation in 341 ms returned sat
[2025-06-01 10:52:40] [INFO ] [Nat]Added 75 Read/Feed constraints in 46 ms returned sat
[2025-06-01 10:52:40] [INFO ] Deduced a trap composed of 70 places in 458 ms of which 5 ms to minimize.
[2025-06-01 10:52:41] [INFO ] Deduced a trap composed of 70 places in 465 ms of which 5 ms to minimize.
[2025-06-01 10:52:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1039 ms
[2025-06-01 10:52:41] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 354 transitions) in 96 ms.
[2025-06-01 10:52:41] [INFO ] Added : 8 causal constraints over 3 iterations in 370 ms. Result :sat
Minimization took 510 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 88 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 82 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-01 10:52:42] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:52:42] [INFO ] Invariant cache hit.
[2025-06-01 10:52:43] [INFO ] Implicit Places using invariants in 1004 ms returned []
[2025-06-01 10:52:43] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:52:43] [INFO ] Invariant cache hit.
[2025-06-01 10:52:43] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:52:45] [INFO ] Implicit Places using invariants and state equation in 2368 ms returned []
Implicit Place search using SMT with State Equation took 3379 ms to find 0 implicit places.
[2025-06-01 10:52:45] [INFO ] Redundant transitions in 32 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-01 10:52:45] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:52:45] [INFO ] Invariant cache hit.
[2025-06-01 10:52:45] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
[2025-06-01 10:53:10] [INFO ] Deduced a trap composed of 131 places in 270 ms of which 4 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 1.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
(s104 0.0)
(s105 0.0)
(s106 0.0)
(s107 0.0)
(s108 0.0)
(s109 0.0)
(s110 0.0)
(s111 0.0)
(s112 0.0)
(s113 0.0)
(s114 0.0)
(s115 0.0)
(s116 0.0)
(s117 0.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 0.0)
(s123 0.0)
(s124 0.0)
(s125 0.0)
(s126 0.0)
(s127 0.0)
(s128 0.0)
(s129 0.0)
(s130 0.0)
(s131 0.0)
(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)
(s136 0.0)
(s137 0.0)
(s138 0.0)
(s139 0.0)
(s140 0.0)
(s141 0.0)
(s142 0.0)
(s143 0.0)
(s144 0.0)
(s145 0.0)
(s146 0.0)
(s147 0.0)
(s148 0.0)
(s149 0.0)
(s150 0.0)
(s151 0.0)
(s152 0.0)
(s153 0.0)
(s154 0.0)
(s155 0.0)
(s156 0.0)
(s157 0.0)
(s158 0.0)
(s159 0.0)
(s160 0.0)
(s161 0.0)
(s162 0.0)
(s163 0.0)
(s164 0.0)
(s165 0.0)
(s166 0.0)
(s167 0.0)
(s168 0.0)
(s169 0.0)
(s170 0.0)
(s171 0.0)
(s172 0.0)
(s173 0.0)
(s174 0.0)
(s175 0.0)
(s176 0.0)
(s177 0.0)
(s178 0.0)
(s179 0.0)
(s180 0.0)
(s181 0.0)
(s182 0.0)
(s183 0.0)
(s184 0.0)
(s185 0.0)
(s186 0.0)
(s187 0.0)
(s188 0.0)
(s189 0.0)
(s190 0.0)
(s191 0.0)
(s192 0.0)
(s193 0.0)
(s194 0.0)
(s195 0.0)
(s196 0.0)
(s197 0.0)
(s198 0.0)
(s199 0.0)
(s200 0.0)
(s201 0.0)
(s202 0.0)
(s203 0.0)
(s204 0.0)
(s205 0.0)
(s206 0.0)
(s207 0.0)
(s208 0.0)
(s209 0.0)
(s210 0.0)
(s211 0.0)
(s212 0.0)
(s213 0.0)
(s214 0.0)
(s215 0.0)
(s216 0.0)
(s217 0.0)
(s218 0.0)
(s219 0.0)
(s220 0.0)
(s221 0.0)
(s222 0.0)
(s223 0.0)
(s224 0.0)
(s225 0.0)
(s226 0.0)
(s227 0.0)
(s228 0.0)
(s229 0.0)
(s230 0.0)
(s231 0.0)
(s232 0.0)
(s233 0.0)
(s234 0.0)
(s235 0.0)
(s236 0.0)
(s237 0.0)
(s238 0.0)
(s239 0.0)
(s240 0.0)
(s241 0.0)
(s242 0.0)
(s243 0.0)
(s244 0.0)
(s245 0.0)
(s246 0.0)
(s247 0.0)
(s248 0.0)
(s249 0.0)
(s250 0.0)
(s251 0.0)
(s252 0.0)
(s253 0.0)
(s254 0.0)
(s255 0.0)
(s256 0.0)
(s257 0.0)
(s258 0.0)
(s259 0.0)
(s260 0.0)
(s261 0.0)
(s262 0.0)
(s263 0.0)
(s264 0.0)
(s265 0.0)
(s266 0.0)
(s267 0.0)
(s268 0.0)
(s269 0.0)
(s270 0.0)
(s271 0.0)
(s272 0.0)
(s273 0.0)
(s274 0.0)
(s275 0.0)
(s276 0.0)
(s277 0.0)
(s278 0.0)
(s279 0.0)
(s280 0.0)
(s281 0.0)
(s282 0.0)
(s283 0.0)
(s284 0.0)
(s285 0.0)
(s286 0.0)
(s287 0.0)
(s288 0.0)
(s289 0.0)
(s290 0.0)
(s291 1.0)
(s292 0.0)
(s293 1.0)
(s294 0.0)
(s295 1.0)
(s296 1.0)
(s297 0.0)
(s298 0.0)
(s299 0.0)
(s300 0.0)
(s301 0.0)
(s302 0.0)
(s303 0.0)
(s304 0.0)
(s305 0.0)
(s306 0.0)
(s307 0.0)
(s308 0.0)
(s309 0.0)
(s310 0.0)
(s311 0.0)
(s312 0.0)
(s313 0.0)
(s314 0.0)
(s315 0.0)
(s316 0.0)
(s317 0.0)
(s318 0.0)
(s319 0.0)
(s320 0.0)
(s321 0.0)
(s322 0.0)
(s323 0.0)
(s324 0.0)
(s325 0.0)
(s326 1.0)
(s327 1.0)
(s328 1.0)
(s329 1.0)
(s330 1.0)
(s331 1.0)
(s332 0.0)
(s333 0.0)
(s334 0.0)
(s335 0.0)
(s336 1.0)
(s337 1.0)
(s338 1.0)
(s339 1.0)
(s340 1.0)
(s341 1.0)
(s342 1.0)
(s343 1.0)
(s344 1.0)
(s345 1.0)
(s346 1.0)
(s347 1.0)
(s348 1.0)
(s349 1.0)
(s350 1.0)
(s351 1.0)
(s352 1.0)
(s353 1.0)
(s354 1.0)
(s355 0.0)
(s356 0.0)
(s357 0.0)
(s358 0.0)
(s359 0.0)
(s360 0.0)
(s361 0.0)
(s362 0.0)
(s363 0.0)
(s364 0.0)
(s365 0.0)
(s366 0.0)
(s367 0.0)
(s368 0.0)
(s369 0.0)
(s370 0.0)
(s371 0.0)
(s372 0.0)
(s373 0.0)
(s374 0.0)
(s375 0.0)
(s376 0.0)
(s377 0.0)
(s378 0.0)
(s379 0.0)
(s380 0.0)
(s381 0.0)
(s382 0.0)
(s383 0.0)
(s384 0.0)
(s385 0.0)
(s386 0.0)
(s387 0.0)
(s388 0.0)
(s389 0.0)
(s390 0.0)
(s391 0.0)
(s392 0.0)
(s393 0.0)
(s394 0.0)
(s395 0.0)
(s396 0.0)
(s397 0.0)
(s398 0.0)
(s399 0.0)
(s400 0.0)
(s401 0.0)
(s402 0.0)
(s403 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1109 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 1716 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 31212 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints]
After SMT, in 66507ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 66526ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70030 ms. Remains : 421/421 places, 1218/1218 transitions.
[2025-06-01 10:53:52] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
Found an invariant !
This invariant on transitions {216=1, 307=1, 633=1, 686=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 343=1, 541=1, 684=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 459 ms. (86 steps per ms) remains 1/1 properties
[2025-06-01 10:53:52] [INFO ] Flatten gal took : 121 ms
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
[2025-06-01 10:53:52] [INFO ] Flatten gal took : 53 ms
[2025-06-01 10:53:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2835504253404403251.gal : 9 ms
[2025-06-01 10:53:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12869078752182531714.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2835504253404403251.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12869078752182531714.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12869078752182531714.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1862
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1862 after 695653
Interrupted probabilistic random walk after 395884 steps, run timeout after 3001 ms. (steps per millisecond=131 ) properties seen :0 out of 1
Probabilistic random walk after 395884 steps, saw 242758 distinct states, run finished after 3001 ms. (steps per millisecond=131 ) properties seen :0
[2025-06-01 10:53:55] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:53:55] [INFO ] Invariant cache hit.
[2025-06-01 10:53:55] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 389 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 435 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 833ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 50 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 421/421 places, 1218/1218 transitions.
RANDOM walk for 40000 steps (8 resets) in 172 ms. (231 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :695653 after 6.64141e+07
Interrupted probabilistic random walk after 367124 steps, run timeout after 3001 ms. (steps per millisecond=122 ) properties seen :0 out of 1
Probabilistic random walk after 367124 steps, saw 225124 distinct states, run finished after 3001 ms. (steps per millisecond=122 ) properties seen :0
[2025-06-01 10:53:59] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:53:59] [INFO ] Invariant cache hit.
[2025-06-01 10:53:59] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 7/378 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/378 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 604/982 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/982 variables, 74/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 0/432 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 62/1044 variables, 1/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1044 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 65/1109 variables, 66/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1109 variables, 0/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1109/1109 variables, and 499 constraints, problems are : Problem set: 0 solved, 1 unsolved in 387 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/19 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/19 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 352/371 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/371 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/371 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/378 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/378 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/378 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 604/982 variables, 337/359 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/982 variables, 74/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/982 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 62/1044 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1044 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 65/1109 variables, 66/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1109 variables, 0/500 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 500 constraints, problems are : Problem set: 0 solved, 1 unsolved in 422 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 819ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 421 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 52 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 421/421 places, 1218/1218 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 421/421 places, 1218/1218 transitions.
Applied a total of 0 rules in 51 ms. Remains 421 /421 variables (removed 0) and now considering 1218/1218 (removed 0) transitions.
[2025-06-01 10:54:00] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:54:00] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6.64141e+07 after 2.25041e+08
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.25041e+08 after 2.6536e+08
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.6536e+08 after 3.64167e+08
[2025-06-01 10:54:01] [INFO ] Implicit Places using invariants in 475 ms returned []
SDD proceeding with computation,1 properties remain. new max is 512
[2025-06-01 10:54:01] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
SDD size :3.64167e+08 after 4.49971e+08
[2025-06-01 10:54:01] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.49971e+08 after 5.82012e+08
[2025-06-01 10:54:01] [INFO ] State equation strengthened by 75 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.82012e+08 after 1.37665e+09
[2025-06-01 10:54:03] [INFO ] Implicit Places using invariants and state equation in 1936 ms returned []
Implicit Place search using SMT with State Equation took 2412 ms to find 0 implicit places.
[2025-06-01 10:54:03] [INFO ] Redundant transitions in 22 ms returned []
Running 1216 sub problems to find dead transitions.
[2025-06-01 10:54:03] [INFO ] Flow matrix only has 688 transitions (discarded 530 similar events)
[2025-06-01 10:54:03] [INFO ] Invariant cache hit.
[2025-06-01 10:54:03] [INFO ] State equation strengthened by 75 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.37665e+09 after 1.44858e+09
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.44858e+09 after 1.63449e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.63449e+09 after 2.05089e+09
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :2.05089e+09 after 2.88933e+09
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
[2025-06-01 10:54:21] [INFO ] Deduced a trap composed of 131 places in 259 ms of which 3 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :2.88933e+09 after 4.55103e+09
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 421/1109 variables, and 4 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/421 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1216 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/421 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/421 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Detected timeout of ITS tools.
[2025-06-01 10:54:42] [INFO ] Flatten gal took : 30 ms
[2025-06-01 10:54:42] [INFO ] Applying decomposition
[2025-06-01 10:54:42] [INFO ] Flatten gal took : 32 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph17481366306997814908.txt' '-o' '/tmp/graph17481366306997814908.bin' '-w' '/tmp/graph17481366306997814908.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph17481366306997814908.bin' '-l' '-1' '-v' '-w' '/tmp/graph17481366306997814908.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:54:43] [INFO ] Decomposing Gal with order
[2025-06-01 10:54:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:54:43] [INFO ] Removed a total of 2085 redundant transitions.
[2025-06-01 10:54:43] [INFO ] Flatten gal took : 72 ms
[2025-06-01 10:54:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 909 labels/synchronizations in 54 ms.
[2025-06-01 10:54:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17579118777963383344.gal : 7 ms
[2025-06-01 10:54:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3739069678128597293.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17579118777963383344.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3739069678128597293.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3739069678128597293.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/421 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 3 (OVERLAPS) 688/1109 variables, 421/425 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1109 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1109 variables, 1216/1716 constraints. Problems are: Problem set: 0 solved, 1216 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1109/1109 variables, and 1716 constraints, problems are : Problem set: 0 solved, 1216 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 421/421 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1216/1216 constraints, Known Traps: 1/1 constraints]
After SMT, in 65367ms problems are : Problem set: 0 solved, 1216 unsolved
Search for dead transitions found 0 dead transitions in 65380ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67872 ms. Remains : 421/421 places, 1218/1218 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 530 transitions
Reduce isomorphic transitions removed 530 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 540 rules applied. Total rules applied 540 place count 421 transition count 678
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 550 place count 411 transition count 678
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 550 place count 411 transition count 605
Deduced a syphon composed of 73 places in 1 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 696 place count 338 transition count 605
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 950 place count 211 transition count 478
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1014 place count 147 transition count 350
Iterating global reduction 2 with 64 rules applied. Total rules applied 1078 place count 147 transition count 350
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1079 place count 147 transition count 349
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1142 place count 84 transition count 223
Iterating global reduction 3 with 63 rules applied. Total rules applied 1205 place count 84 transition count 223
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1268 place count 21 transition count 97
Iterating global reduction 3 with 63 rules applied. Total rules applied 1331 place count 21 transition count 97
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1394 place count 21 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1394 place count 21 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1396 place count 20 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1398 place count 19 transition count 32
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1399 place count 19 transition count 31
Applied a total of 1399 rules in 31 ms. Remains 19 /421 variables (removed 402) and now considering 31/1218 (removed 1187) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 31 rows 19 cols
[2025-06-01 10:55:08] [INFO ] Computed 3 invariants in 0 ms
[2025-06-01 10:55:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:55:08] [INFO ] After 12ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2025-06-01 10:55:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 10:55:08] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 10:55:08] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 10:55:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 10:55:08] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 10:55:08] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 10:55:08] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:55:08] [INFO ] After 41ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 10:55:08] [INFO ] Flatten gal took : 1 ms
[2025-06-01 10:55:08] [INFO ] Flatten gal took : 1 ms
[2025-06-01 10:55:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1504446757295420848.gal : 0 ms
[2025-06-01 10:55:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality877352049680395833.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1504446757295420848.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality877352049680395833.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality877352049680395833.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :30 after 105
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :105 after 705
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :705 after 2025
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2025 after 4625
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4625 after 9785
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :9785 after 20065
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :20065 after 40585
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :40585 after 81585
Detected timeout of ITS tools.
[2025-06-01 10:55:23] [INFO ] Flatten gal took : 0 ms
[2025-06-01 10:55:23] [INFO ] Applying decomposition
[2025-06-01 10:55:23] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph11315835402633760255.txt' '-o' '/tmp/graph11315835402633760255.bin' '-w' '/tmp/graph11315835402633760255.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph11315835402633760255.bin' '-l' '-1' '-v' '-w' '/tmp/graph11315835402633760255.weights' '-q' '0' '-e' '0.001'
[2025-06-01 10:55:23] [INFO ] Decomposing Gal with order
[2025-06-01 10:55:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 10:55:23] [INFO ] Removed a total of 30 redundant transitions.
[2025-06-01 10:55:23] [INFO ] Flatten gal took : 3 ms
[2025-06-01 10:55:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 0 ms.
[2025-06-01 10:55:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1230707293138538835.gal : 1 ms
[2025-06-01 10:55:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13727060042318467032.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1230707293138538835.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13727060042318467032.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality13727060042318467032.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
Detected timeout of ITS tools.
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30177 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-08 in 261576 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:55:38] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:55:38] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 32 ms. (303 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:55:38] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:55:38] [INFO ] Invariant cache hit.
[2025-06-01 10:55:38] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:55:39] [INFO ] [Real]Absence check using state equation in 403 ms returned sat
[2025-06-01 10:55:39] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:55:39] [INFO ] [Real]Added 100 Read/Feed constraints in 69 ms returned sat
[2025-06-01 10:55:39] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:55:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:55:39] [INFO ] [Nat]Absence check using state equation in 386 ms returned sat
[2025-06-01 10:55:39] [INFO ] [Nat]Added 100 Read/Feed constraints in 81 ms returned sat
[2025-06-01 10:55:40] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 145 ms.
[2025-06-01 10:55:40] [INFO ] Added : 2 causal constraints over 1 iterations in 318 ms. Result :sat
Minimization took 502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1312
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1312
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 464 transition count 1310
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 32 place count 456 transition count 1292
Iterating global reduction 2 with 8 rules applied. Total rules applied 40 place count 456 transition count 1292
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 47 place count 449 transition count 1272
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 449 transition count 1272
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 60 place count 443 transition count 1260
Iterating global reduction 2 with 6 rules applied. Total rules applied 66 place count 443 transition count 1260
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 72 place count 437 transition count 1248
Iterating global reduction 2 with 6 rules applied. Total rules applied 78 place count 437 transition count 1248
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 84 place count 431 transition count 1236
Iterating global reduction 2 with 6 rules applied. Total rules applied 90 place count 431 transition count 1236
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 95 place count 426 transition count 1226
Iterating global reduction 2 with 5 rules applied. Total rules applied 100 place count 426 transition count 1226
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 104 place count 422 transition count 1218
Iterating global reduction 2 with 4 rules applied. Total rules applied 108 place count 422 transition count 1218
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 111 place count 419 transition count 1212
Iterating global reduction 2 with 3 rules applied. Total rules applied 114 place count 419 transition count 1212
Applied a total of 114 rules in 228 ms. Remains 419 /475 variables (removed 56) and now considering 1212/1335 (removed 123) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 229 ms. Remains : 419/475 places, 1212/1335 transitions.
[2025-06-01 10:55:41] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:55:41] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
// Phase 1: matrix 685 rows 419 cols
[2025-06-01 10:55:41] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3111 ms. (321 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 694 ms. (1438 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:55:45] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 10:55:45] [INFO ] Invariant cache hit.
[2025-06-01 10:55:45] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 10:55:45] [INFO ] [Real]Absence check using state equation in 261 ms returned sat
[2025-06-01 10:55:45] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:55:46] [INFO ] [Real]Added 75 Read/Feed constraints in 80 ms returned sat
[2025-06-01 10:55:46] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:55:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:55:46] [INFO ] [Nat]Absence check using state equation in 360 ms returned sat
[2025-06-01 10:55:46] [INFO ] [Nat]Added 75 Read/Feed constraints in 84 ms returned sat
[2025-06-01 10:55:46] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 133 ms.
[2025-06-01 10:55:47] [INFO ] Added : 11 causal constraints over 4 iterations in 529 ms. Result :sat
Minimization took 515 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 82 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 419/419 places, 1212/1212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 81 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2025-06-01 10:55:47] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 10:55:47] [INFO ] Invariant cache hit.
[2025-06-01 10:55:48] [INFO ] Implicit Places using invariants in 921 ms returned []
[2025-06-01 10:55:48] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 10:55:48] [INFO ] Invariant cache hit.
[2025-06-01 10:55:49] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:55:51] [INFO ] Implicit Places using invariants and state equation in 2360 ms returned []
Implicit Place search using SMT with State Equation took 3283 ms to find 0 implicit places.
[2025-06-01 10:55:51] [INFO ] Redundant transitions in 21 ms returned []
Running 1210 sub problems to find dead transitions.
[2025-06-01 10:55:51] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 10:55:51] [INFO ] Invariant cache hit.
[2025-06-01 10:55:51] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
[2025-06-01 10:56:11] [INFO ] Deduced a trap composed of 131 places in 466 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 419/1104 variables, and 4 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/419 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/419 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1104 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 1708 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30887 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
After SMT, in 66356ms problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 66368ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69760 ms. Remains : 419/419 places, 1212/1212 transitions.
[2025-06-01 10:56:57] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:56:58] [INFO ] Flatten gal took : 49 ms
[2025-06-01 10:56:58] [INFO ] Flatten gal took : 49 ms
RANDOM walk for 40001 steps (8 resets) in 274 ms. (145 steps per ms) remains 1/1 properties
[2025-06-01 10:56:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15571791848002663978.gal : 7 ms
[2025-06-01 10:56:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13087396005063736929.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15571791848002663978.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13087396005063736929.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 31482 steps (7 resets) in 50 ms. (617 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.

java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:270)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:313)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:177)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:162)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:329)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:396)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:840)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-09 in 79727 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:56:58] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:56:58] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 52 ms. (188 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 14 ms. (666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:56:58] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:56:58] [INFO ] Invariant cache hit.
[2025-06-01 10:56:58] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 10:56:59] [INFO ] [Real]Absence check using state equation in 433 ms returned sat
[2025-06-01 10:56:59] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:56:59] [INFO ] [Real]Added 100 Read/Feed constraints in 54 ms returned sat
[2025-06-01 10:56:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:56:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 10:56:59] [INFO ] [Nat]Absence check using state equation in 397 ms returned sat
[2025-06-01 10:56:59] [INFO ] [Nat]Added 100 Read/Feed constraints in 58 ms returned sat
[2025-06-01 10:56:59] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 144 ms.
[2025-06-01 10:57:00] [INFO ] Added : 2 causal constraints over 1 iterations in 315 ms. Result :sat
Minimization took 502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 466 transition count 1315
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 466 transition count 1315
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 20 place count 466 transition count 1313
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 29 place count 457 transition count 1293
Iterating global reduction 1 with 9 rules applied. Total rules applied 38 place count 457 transition count 1293
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 46 place count 449 transition count 1271
Iterating global reduction 1 with 8 rules applied. Total rules applied 54 place count 449 transition count 1271
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 61 place count 442 transition count 1257
Iterating global reduction 1 with 7 rules applied. Total rules applied 68 place count 442 transition count 1257
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 75 place count 435 transition count 1243
Iterating global reduction 1 with 7 rules applied. Total rules applied 82 place count 435 transition count 1243
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 89 place count 428 transition count 1229
Iterating global reduction 1 with 7 rules applied. Total rules applied 96 place count 428 transition count 1229
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 101 place count 423 transition count 1219
Iterating global reduction 1 with 5 rules applied. Total rules applied 106 place count 423 transition count 1219
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 110 place count 419 transition count 1211
Iterating global reduction 1 with 4 rules applied. Total rules applied 114 place count 419 transition count 1211
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 117 place count 416 transition count 1205
Iterating global reduction 1 with 3 rules applied. Total rules applied 120 place count 416 transition count 1205
Applied a total of 120 rules in 239 ms. Remains 416 /475 variables (removed 59) and now considering 1205/1335 (removed 130) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 239 ms. Remains : 416/475 places, 1205/1335 transitions.
[2025-06-01 10:57:00] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:57:01] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
// Phase 1: matrix 680 rows 416 cols
[2025-06-01 10:57:01] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3183 ms. (314 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 690 ms. (1447 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-01 10:57:05] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:57:05] [INFO ] Invariant cache hit.
[2025-06-01 10:57:05] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 10:57:05] [INFO ] [Real]Absence check using state equation in 234 ms returned sat
[2025-06-01 10:57:05] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:57:05] [INFO ] [Real]Added 75 Read/Feed constraints in 29 ms returned sat
[2025-06-01 10:57:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:57:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:57:06] [INFO ] [Nat]Absence check using state equation in 371 ms returned sat
[2025-06-01 10:57:06] [INFO ] [Nat]Added 75 Read/Feed constraints in 77 ms returned sat
[2025-06-01 10:57:06] [INFO ] Deduced a trap composed of 69 places in 515 ms of which 6 ms to minimize.
[2025-06-01 10:57:07] [INFO ] Deduced a trap composed of 71 places in 517 ms of which 7 ms to minimize.
[2025-06-01 10:57:07] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1147 ms
[2025-06-01 10:57:07] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 119 ms.
[2025-06-01 10:57:07] [INFO ] Added : 5 causal constraints over 2 iterations in 367 ms. Result :sat
Minimization took 361 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 48 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 61 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-01 10:57:08] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:57:08] [INFO ] Invariant cache hit.
[2025-06-01 10:57:09] [INFO ] Implicit Places using invariants in 867 ms returned []
[2025-06-01 10:57:09] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:57:09] [INFO ] Invariant cache hit.
[2025-06-01 10:57:09] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:57:11] [INFO ] Implicit Places using invariants and state equation in 2258 ms returned []
Implicit Place search using SMT with State Equation took 3126 ms to find 0 implicit places.
[2025-06-01 10:57:11] [INFO ] Redundant transitions in 20 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-01 10:57:11] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:57:11] [INFO ] Invariant cache hit.
[2025-06-01 10:57:11] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
[2025-06-01 10:57:34] [INFO ] Deduced a trap composed of 131 places in 260 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1203 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 3 (OVERLAPS) 680/1096 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1096 variables, 75/495 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1096/1096 variables, and 1698 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 31107 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints]
After SMT, in 65930ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 65942ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69157 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-01 10:58:17] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 10:58:17] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:58:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 3069 ms. (325 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 702 ms. (1422 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 10:58:21] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:58:21] [INFO ] Invariant cache hit.
[2025-06-01 10:58:21] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:58:21] [INFO ] [Real]Absence check using state equation in 252 ms returned sat
[2025-06-01 10:58:21] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:58:22] [INFO ] [Real]Added 75 Read/Feed constraints in 35 ms returned sat
[2025-06-01 10:58:22] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:58:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:58:22] [INFO ] [Nat]Absence check using state equation in 248 ms returned sat
[2025-06-01 10:58:22] [INFO ] [Nat]Added 75 Read/Feed constraints in 66 ms returned sat
[2025-06-01 10:58:22] [INFO ] Deduced a trap composed of 69 places in 393 ms of which 5 ms to minimize.
[2025-06-01 10:58:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 442 ms
[2025-06-01 10:58:22] [INFO ] Computed and/alt/rep : 333/1252/331 causal constraints (skipped 347 transitions) in 72 ms.
[2025-06-01 10:58:23] [INFO ] Deduced a trap composed of 72 places in 480 ms of which 7 ms to minimize.
[2025-06-01 10:58:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 566 ms
[2025-06-01 10:58:23] [INFO ] Added : 4 causal constraints over 2 iterations in 867 ms. Result :sat
Minimization took 496 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 81 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81 ms. Remains : 416/416 places, 1205/1205 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 1205/1205 transitions.
Applied a total of 0 rules in 81 ms. Remains 416 /416 variables (removed 0) and now considering 1205/1205 (removed 0) transitions.
[2025-06-01 10:58:24] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:58:24] [INFO ] Invariant cache hit.
[2025-06-01 10:58:25] [INFO ] Implicit Places using invariants in 925 ms returned []
[2025-06-01 10:58:25] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:58:25] [INFO ] Invariant cache hit.
[2025-06-01 10:58:25] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:58:27] [INFO ] Implicit Places using invariants and state equation in 2303 ms returned []
Implicit Place search using SMT with State Equation took 3229 ms to find 0 implicit places.
[2025-06-01 10:58:27] [INFO ] Redundant transitions in 21 ms returned []
Running 1203 sub problems to find dead transitions.
[2025-06-01 10:58:27] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:58:27] [INFO ] Invariant cache hit.
[2025-06-01 10:58:27] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
[2025-06-01 10:58:52] [INFO ] Deduced a trap composed of 131 places in 439 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 416/1096 variables, and 4 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/416 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1203 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/416 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/416 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/416 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 3 (OVERLAPS) 680/1096 variables, 416/420 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1096 variables, 75/495 constraints. Problems are: Problem set: 0 solved, 1203 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1096/1096 variables, and 1698 constraints, problems are : Problem set: 0 solved, 1203 unsolved in 30819 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1203/1203 constraints, Known Traps: 1/1 constraints]
After SMT, in 66165ms problems are : Problem set: 0 solved, 1203 unsolved
Search for dead transitions found 0 dead transitions in 66177ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69516 ms. Remains : 416/416 places, 1205/1205 transitions.
[2025-06-01 10:59:33] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
Found an invariant !
This invariant on transitions {219=1, 303=1, 501=1, 675=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {256=1, 340=1, 666=1, 678=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-01 10:59:34] [INFO ] Flatten gal took : 33 ms
[2025-06-01 10:59:34] [INFO ] Flatten gal took : 31 ms
[2025-06-01 10:59:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9694325166495147406.gal : 5 ms
RANDOM walk for 40000 steps (8 resets) in 208 ms. (191 steps per ms) remains 1/1 properties
[2025-06-01 10:59:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10975098655992841590.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9694325166495147406.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10975098655992841590.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40003 steps (8 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality10975098655992841590.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1862
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1862 after 695653
Interrupted probabilistic random walk after 387186 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 1
Probabilistic random walk after 387186 steps, saw 237424 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
[2025-06-01 10:59:37] [INFO ] Flow matrix only has 680 transitions (discarded 525 similar events)
[2025-06-01 10:59:37] [INFO ] Invariant cache hit.
[2025-06-01 10:59:37] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 340/348 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/354 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/354 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/354 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 598/952 variables, 333/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/952 variables, 74/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 62/1014 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1014 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 68/1082 variables, 66/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1082 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 8/1090 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1090 variables, 0/490 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/1096 variables, 4/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1096 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1096 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1096/1096 variables, and 494 constraints, problems are : Problem set: 0 solved, 1 unsolved in 428 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 340/348 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/348 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/354 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/354 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/354 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 598/952 variables, 333/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/952 variables, 74/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/952 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 62/1014 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1014 variables, 0/421 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 68/1082 variables, 66/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1082 variables, 0/487 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 8/1090 variables, 4/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1090 variables, 0/491 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/1096 variables, 4/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1096 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1096 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1096/1096 variables, and 495 constraints, problems are : Problem set: 0 solved, 1 unsolved in 481 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 416/416 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 919ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 48 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=48 )
Parikh walk visited 1 properties in 7 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[3] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-10 in 159917 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:59:38] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 10:59:38] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 10:59:38] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 10:59:38] [INFO ] Invariant cache hit.
[2025-06-01 10:59:38] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 10:59:38] [INFO ] [Real]Absence check using state equation in 265 ms returned sat
[2025-06-01 10:59:38] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 10:59:38] [INFO ] [Real]Added 100 Read/Feed constraints in 40 ms returned sat
[2025-06-01 10:59:38] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:59:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 10:59:39] [INFO ] [Nat]Absence check using state equation in 262 ms returned sat
[2025-06-01 10:59:39] [INFO ] [Nat]Added 100 Read/Feed constraints in 48 ms returned sat
[2025-06-01 10:59:39] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 111 ms.
[2025-06-01 10:59:39] [INFO ] Added : 2 causal constraints over 1 iterations in 286 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1312
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1312
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 464 transition count 1310
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 32 place count 456 transition count 1292
Iterating global reduction 2 with 8 rules applied. Total rules applied 40 place count 456 transition count 1292
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 47 place count 449 transition count 1272
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 449 transition count 1272
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 60 place count 443 transition count 1260
Iterating global reduction 2 with 6 rules applied. Total rules applied 66 place count 443 transition count 1260
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 72 place count 437 transition count 1248
Iterating global reduction 2 with 6 rules applied. Total rules applied 78 place count 437 transition count 1248
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 84 place count 431 transition count 1236
Iterating global reduction 2 with 6 rules applied. Total rules applied 90 place count 431 transition count 1236
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 95 place count 426 transition count 1226
Iterating global reduction 2 with 5 rules applied. Total rules applied 100 place count 426 transition count 1226
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 104 place count 422 transition count 1218
Iterating global reduction 2 with 4 rules applied. Total rules applied 108 place count 422 transition count 1218
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 111 place count 419 transition count 1212
Iterating global reduction 2 with 3 rules applied. Total rules applied 114 place count 419 transition count 1212
Applied a total of 114 rules in 274 ms. Remains 419 /475 variables (removed 56) and now considering 1212/1335 (removed 123) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 275 ms. Remains : 419/475 places, 1212/1335 transitions.
[2025-06-01 10:59:40] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2025-06-01 10:59:41] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
// Phase 1: matrix 685 rows 419 cols
[2025-06-01 10:59:41] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3361 ms. (297 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 709 ms. (1408 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 10:59:45] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 10:59:45] [INFO ] Invariant cache hit.
[2025-06-01 10:59:45] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 10:59:45] [INFO ] [Real]Absence check using state equation in 284 ms returned sat
[2025-06-01 10:59:45] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:59:45] [INFO ] [Real]Added 75 Read/Feed constraints in 73 ms returned sat
[2025-06-01 10:59:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 10:59:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 10:59:46] [INFO ] [Nat]Absence check using state equation in 370 ms returned sat
[2025-06-01 10:59:46] [INFO ] [Nat]Added 75 Read/Feed constraints in 78 ms returned sat
[2025-06-01 10:59:46] [INFO ] Deduced a trap composed of 71 places in 519 ms of which 6 ms to minimize.
[2025-06-01 10:59:47] [INFO ] Deduced a trap composed of 70 places in 542 ms of which 6 ms to minimize.
[2025-06-01 10:59:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1169 ms
[2025-06-01 10:59:47] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 124 ms.
[2025-06-01 10:59:47] [INFO ] Added : 13 causal constraints over 4 iterations in 445 ms. Result :sat
Minimization took 507 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11] Max Struct:[+inf]
Support contains 1 out of 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 50 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 419/419 places, 1212/1212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 48 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2025-06-01 10:59:48] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 10:59:48] [INFO ] Invariant cache hit.
[2025-06-01 10:59:49] [INFO ] Implicit Places using invariants in 757 ms returned []
[2025-06-01 10:59:49] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 10:59:49] [INFO ] Invariant cache hit.
[2025-06-01 10:59:49] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 10:59:51] [INFO ] Implicit Places using invariants and state equation in 2396 ms returned []
Implicit Place search using SMT with State Equation took 3155 ms to find 0 implicit places.
[2025-06-01 10:59:51] [INFO ] Redundant transitions in 20 ms returned []
Running 1210 sub problems to find dead transitions.
[2025-06-01 10:59:51] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 10:59:51] [INFO ] Invariant cache hit.
[2025-06-01 10:59:51] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
[2025-06-01 11:00:13] [INFO ] Deduced a trap composed of 131 places in 450 ms of which 6 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 419/1104 variables, and 4 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/419 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/419 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1104 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 1708 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30851 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
After SMT, in 66539ms problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 66551ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69782 ms. Remains : 419/419 places, 1212/1212 transitions.
[2025-06-01 11:00:58] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2025-06-01 11:00:58] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:00:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3128 ms. (319 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 718 ms. (1390 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[995] Max Struct:[+inf]
[2025-06-01 11:01:02] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:01:02] [INFO ] Invariant cache hit.
[2025-06-01 11:01:02] [INFO ] [Real]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 11:01:03] [INFO ] [Real]Absence check using state equation in 345 ms returned sat
[2025-06-01 11:01:03] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:01:03] [INFO ] [Real]Added 75 Read/Feed constraints in 88 ms returned sat
[2025-06-01 11:01:03] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:01:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 11:01:03] [INFO ] [Nat]Absence check using state equation in 324 ms returned sat
[2025-06-01 11:01:03] [INFO ] [Nat]Added 75 Read/Feed constraints in 66 ms returned sat
[2025-06-01 11:01:04] [INFO ] Deduced a trap composed of 71 places in 514 ms of which 6 ms to minimize.
[2025-06-01 11:01:04] [INFO ] Deduced a trap composed of 70 places in 502 ms of which 4 ms to minimize.
[2025-06-01 11:01:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1106 ms
[2025-06-01 11:01:05] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 79 ms.
[2025-06-01 11:01:05] [INFO ] Added : 13 causal constraints over 4 iterations in 304 ms. Result :sat
Minimization took 510 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[995] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[995] Max Struct:[+inf]
Support contains 1 out of 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 50 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 419/419 places, 1212/1212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 50 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2025-06-01 11:01:10] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:01:10] [INFO ] Invariant cache hit.
[2025-06-01 11:01:10] [INFO ] Implicit Places using invariants in 680 ms returned []
[2025-06-01 11:01:10] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:01:10] [INFO ] Invariant cache hit.
[2025-06-01 11:01:11] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:01:12] [INFO ] Implicit Places using invariants and state equation in 2102 ms returned []
Implicit Place search using SMT with State Equation took 2784 ms to find 0 implicit places.
[2025-06-01 11:01:12] [INFO ] Redundant transitions in 30 ms returned []
Running 1210 sub problems to find dead transitions.
[2025-06-01 11:01:12] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:01:12] [INFO ] Invariant cache hit.
[2025-06-01 11:01:13] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
[2025-06-01 11:01:31] [INFO ] Deduced a trap composed of 131 places in 215 ms of which 3 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 419/1104 variables, and 4 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/419 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/419 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1104 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 1708 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30802 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
After SMT, in 65888ms problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 65907ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68781 ms. Remains : 419/419 places, 1212/1212 transitions.
[2025-06-01 11:02:18] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[995] Max Struct:[+inf]
[2025-06-01 11:02:19] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:02:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[995] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 3165 ms. (315 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 701 ms. (1424 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[995] Max Struct:[+inf]
[2025-06-01 11:02:23] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:02:23] [INFO ] Invariant cache hit.
[2025-06-01 11:02:23] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2025-06-01 11:02:23] [INFO ] [Real]Absence check using state equation in 328 ms returned sat
[2025-06-01 11:02:23] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:02:23] [INFO ] [Real]Added 75 Read/Feed constraints in 87 ms returned sat
[2025-06-01 11:02:23] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:02:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 10 ms returned sat
[2025-06-01 11:02:24] [INFO ] [Nat]Absence check using state equation in 362 ms returned sat
[2025-06-01 11:02:24] [INFO ] [Nat]Added 75 Read/Feed constraints in 77 ms returned sat
[2025-06-01 11:02:24] [INFO ] Deduced a trap composed of 71 places in 558 ms of which 7 ms to minimize.
[2025-06-01 11:02:25] [INFO ] Deduced a trap composed of 70 places in 592 ms of which 7 ms to minimize.
[2025-06-01 11:02:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1265 ms
[2025-06-01 11:02:25] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 351 transitions) in 127 ms.
[2025-06-01 11:02:26] [INFO ] Added : 13 causal constraints over 4 iterations in 489 ms. Result :sat
Minimization took 519 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[995] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[995] Max Struct:[+inf]
Support contains 1 out of 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 49 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 419/419 places, 1212/1212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 49 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2025-06-01 11:02:30] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:02:30] [INFO ] Invariant cache hit.
[2025-06-01 11:02:31] [INFO ] Implicit Places using invariants in 705 ms returned []
[2025-06-01 11:02:31] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:02:31] [INFO ] Invariant cache hit.
[2025-06-01 11:02:32] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:02:33] [INFO ] Implicit Places using invariants and state equation in 2325 ms returned []
Implicit Place search using SMT with State Equation took 3030 ms to find 0 implicit places.
[2025-06-01 11:02:33] [INFO ] Redundant transitions in 21 ms returned []
Running 1210 sub problems to find dead transitions.
[2025-06-01 11:02:34] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:02:34] [INFO ] Invariant cache hit.
[2025-06-01 11:02:34] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
[2025-06-01 11:02:58] [INFO ] Deduced a trap composed of 131 places in 405 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 419/1104 variables, and 4 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/419 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/419 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1104 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 1708 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30646 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
After SMT, in 65699ms problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 65711ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68818 ms. Remains : 419/419 places, 1212/1212 transitions.
[2025-06-01 11:03:39] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
Found an invariant !
This invariant on transitions {252=1, 340=1, 538=1, 680=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {250=1, 338=1, 664=1, 683=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[995] Max Struct:[+inf]
[2025-06-01 11:03:40] [INFO ] Flatten gal took : 40 ms
[2025-06-01 11:03:40] [INFO ] Flatten gal took : 31 ms
[2025-06-01 11:03:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1961217319696846598.gal : 5 ms
[2025-06-01 11:03:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12176705675528728259.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1961217319696846598.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12176705675528728259.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40003 steps (8 resets) in 258 ms. (154 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality12176705675528728259.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 31
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :31 after 1862
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1862 after 695653
Interrupted probabilistic random walk after 414304 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 414304 steps, saw 254053 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
[2025-06-01 11:03:43] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:03:43] [INFO ] Invariant cache hit.
[2025-06-01 11:03:43] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 350/354 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/361 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/361 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 605/966 variables, 337/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/966 variables, 74/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/966 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1028 variables, 1/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1028 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 70/1098 variables, 68/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1098 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/1104 variables, 4/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1104 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1104 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1104/1104 variables, and 497 constraints, problems are : Problem set: 0 solved, 1 unsolved in 384 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 350/354 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/354 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/361 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/361 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 605/966 variables, 337/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/966 variables, 74/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/966 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1028 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1028 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 70/1098 variables, 68/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1098 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1104 variables, 4/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1104 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1104 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 407 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 800ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :695653 after 6.64141e+07
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6.64141e+07 after 2.25041e+08
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.25041e+08 after 2.6536e+08
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.6536e+08 after 3.64167e+08
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.64167e+08 after 4.55772e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.55772e+08 after 5.88835e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.88835e+08 after 1.32186e+09
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.32186e+09 after 1.38948e+09
Parikh walk visited 0 properties in 6331 ms.
Support contains 1 out of 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 49 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 419/419 places, 1212/1212 transitions.
RANDOM walk for 40000 steps (8 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.38948e+09 after 1.58155e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.58155e+09 after 2.00419e+09
Interrupted probabilistic random walk after 418543 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 1
Probabilistic random walk after 418543 steps, saw 256652 distinct states, run finished after 3001 ms. (steps per millisecond=139 ) properties seen :0
[2025-06-01 11:03:53] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:03:53] [INFO ] Invariant cache hit.
[2025-06-01 11:03:53] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 350/354 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/361 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/361 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 605/966 variables, 337/350 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/966 variables, 74/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/966 variables, 0/424 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/1028 variables, 1/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1028 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 70/1098 variables, 68/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1098 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/1104 variables, 4/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1104 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1104 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1104/1104 variables, and 497 constraints, problems are : Problem set: 0 solved, 1 unsolved in 373 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 350/354 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/354 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/354 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/361 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/361 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/361 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 605/966 variables, 337/351 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/966 variables, 74/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/966 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 62/1028 variables, 1/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1028 variables, 0/426 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 70/1098 variables, 68/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1098 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/1104 variables, 4/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1104 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1104 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 403 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 785ms problems are : Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :2.00419e+09 after 2.86971e+09
Parikh walk visited 0 properties in 6295 ms.
Support contains 1 out of 419 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 48 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 419/419 places, 1212/1212 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 419/419 places, 1212/1212 transitions.
Applied a total of 0 rules in 48 ms. Remains 419 /419 variables (removed 0) and now considering 1212/1212 (removed 0) transitions.
[2025-06-01 11:04:00] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:04:00] [INFO ] Invariant cache hit.
[2025-06-01 11:04:01] [INFO ] Implicit Places using invariants in 615 ms returned []
[2025-06-01 11:04:01] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:04:01] [INFO ] Invariant cache hit.
[2025-06-01 11:04:01] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:04:03] [INFO ] Implicit Places using invariants and state equation in 1766 ms returned []
Implicit Place search using SMT with State Equation took 2381 ms to find 0 implicit places.
[2025-06-01 11:04:03] [INFO ] Redundant transitions in 21 ms returned []
Running 1210 sub problems to find dead transitions.
[2025-06-01 11:04:03] [INFO ] Flow matrix only has 685 transitions (discarded 527 similar events)
[2025-06-01 11:04:03] [INFO ] Invariant cache hit.
[2025-06-01 11:04:03] [INFO ] State equation strengthened by 75 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :2.86971e+09 after 4.56755e+09
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
[2025-06-01 11:04:20] [INFO ] Deduced a trap composed of 131 places in 249 ms of which 4 ms to minimize.
Detected timeout of ITS tools.
[2025-06-01 11:04:30] [INFO ] Flatten gal took : 28 ms
[2025-06-01 11:04:30] [INFO ] Applying decomposition
[2025-06-01 11:04:30] [INFO ] Flatten gal took : 28 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph14090947182790185673.txt' '-o' '/tmp/graph14090947182790185673.bin' '-w' '/tmp/graph14090947182790185673.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph14090947182790185673.bin' '-l' '-1' '-v' '-w' '/tmp/graph14090947182790185673.weights' '-q' '0' '-e' '0.001'
[2025-06-01 11:04:30] [INFO ] Decomposing Gal with order
[2025-06-01 11:04:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 11:04:30] [INFO ] Removed a total of 2071 redundant transitions.
[2025-06-01 11:04:30] [INFO ] Flatten gal took : 74 ms
[2025-06-01 11:04:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 871 labels/synchronizations in 28 ms.
[2025-06-01 11:04:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10881979115682518002.gal : 10 ms
[2025-06-01 11:04:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16094139941604251215.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10881979115682518002.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16094139941604251215.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality16094139941604251215.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 419/1104 variables, and 4 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/419 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1210 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/419 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/419 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/419 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 3 (OVERLAPS) 685/1104 variables, 419/423 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1104 variables, 75/498 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1104 variables, 1210/1708 constraints. Problems are: Problem set: 0 solved, 1210 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1104/1104 variables, and 1708 constraints, problems are : Problem set: 0 solved, 1210 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 419/419 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1210/1210 constraints, Known Traps: 1/1 constraints]
After SMT, in 64870ms problems are : Problem set: 0 solved, 1210 unsolved
Search for dead transitions found 0 dead transitions in 64883ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67342 ms. Remains : 419/419 places, 1212/1212 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 527 transitions
Reduce isomorphic transitions removed 527 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 539 rules applied. Total rules applied 539 place count 419 transition count 673
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 551 place count 407 transition count 673
Performed 69 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 69 Pre rules applied. Total rules applied 551 place count 407 transition count 604
Deduced a syphon composed of 69 places in 0 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 2 with 138 rules applied. Total rules applied 689 place count 338 transition count 604
Performed 128 Post agglomeration using F-continuation condition.Transition count delta: 128
Deduced a syphon composed of 128 places in 1 ms
Reduce places removed 128 places and 0 transitions.
Iterating global reduction 2 with 256 rules applied. Total rules applied 945 place count 210 transition count 476
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1009 place count 146 transition count 348
Iterating global reduction 2 with 64 rules applied. Total rules applied 1073 place count 146 transition count 348
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1074 place count 146 transition count 347
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 1074 place count 146 transition count 346
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 1076 place count 145 transition count 346
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1139 place count 82 transition count 220
Iterating global reduction 3 with 63 rules applied. Total rules applied 1202 place count 82 transition count 220
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1265 place count 19 transition count 94
Iterating global reduction 3 with 63 rules applied. Total rules applied 1328 place count 19 transition count 94
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1391 place count 19 transition count 31
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1391 place count 19 transition count 30
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1393 place count 18 transition count 30
Applied a total of 1393 rules in 41 ms. Remains 18 /419 variables (removed 401) and now considering 30/1212 (removed 1182) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2025-06-01 11:05:08] [INFO ] Computed 3 invariants in 0 ms
[2025-06-01 11:05:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 11:05:08] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-01 11:05:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2025-06-01 11:05:08] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-01 11:05:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 11:05:08] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-01 11:05:08] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-01 11:05:08] [INFO ] After 49ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-01 11:05:08] [INFO ] Flatten gal took : 1 ms
[2025-06-01 11:05:08] [INFO ] Flatten gal took : 1 ms
[2025-06-01 11:05:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1328912989412518181.gal : 1 ms
[2025-06-01 11:05:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12100079855274294446.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1328912989412518181.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12100079855274294446.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12100079855274294446.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 45
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :45 after 285
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :285 after 625
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :625 after 1285
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1285 after 2585
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2585 after 5165
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5165 after 10305
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :10305 after 20565
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :20565 after 41065
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :41065 after 82045
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2025-06-01 11:05:23] [INFO ] Flatten gal took : 1 ms
[2025-06-01 11:05:23] [INFO ] Applying decomposition
[2025-06-01 11:05:23] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph467427341862966204.txt' '-o' '/tmp/graph467427341862966204.bin' '-w' '/tmp/graph467427341862966204.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph467427341862966204.bin' '-l' '-1' '-v' '-w' '/tmp/graph467427341862966204.weights' '-q' '0' '-e' '0.001'
[2025-06-01 11:05:23] [INFO ] Decomposing Gal with order
[2025-06-01 11:05:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 11:05:23] [INFO ] Removed a total of 29 redundant transitions.
[2025-06-01 11:05:23] [INFO ] Flatten gal took : 2 ms
[2025-06-01 11:05:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 2 labels/synchronizations in 1 ms.
[2025-06-01 11:05:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11429218144569527893.gal : 1 ms
[2025-06-01 11:05:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5757547847387657002.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11429218144569527893.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5757547847387657002.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality5757547847387657002.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 30
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30183 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[995] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-11 in 359868 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:05:38] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 11:05:38] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:05:38] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 11:05:38] [INFO ] Invariant cache hit.
[2025-06-01 11:05:38] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 11:05:38] [INFO ] [Real]Absence check using state equation in 431 ms returned sat
[2025-06-01 11:05:38] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 11:05:38] [INFO ] [Real]Added 100 Read/Feed constraints in 31 ms returned sat
[2025-06-01 11:05:38] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:05:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 11:05:39] [INFO ] [Nat]Absence check using state equation in 288 ms returned sat
[2025-06-01 11:05:39] [INFO ] [Nat]Added 100 Read/Feed constraints in 53 ms returned sat
[2025-06-01 11:05:39] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 102 ms.
[2025-06-01 11:05:39] [INFO ] Added : 2 causal constraints over 1 iterations in 222 ms. Result :sat
Minimization took 431 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1314
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1314
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 464 transition count 1312
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 32 place count 456 transition count 1294
Iterating global reduction 2 with 8 rules applied. Total rules applied 40 place count 456 transition count 1294
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 47 place count 449 transition count 1274
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 449 transition count 1274
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 60 place count 443 transition count 1262
Iterating global reduction 2 with 6 rules applied. Total rules applied 66 place count 443 transition count 1262
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 72 place count 437 transition count 1250
Iterating global reduction 2 with 6 rules applied. Total rules applied 78 place count 437 transition count 1250
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 84 place count 431 transition count 1238
Iterating global reduction 2 with 6 rules applied. Total rules applied 90 place count 431 transition count 1238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 94 place count 427 transition count 1230
Iterating global reduction 2 with 4 rules applied. Total rules applied 98 place count 427 transition count 1230
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 102 place count 423 transition count 1222
Iterating global reduction 2 with 4 rules applied. Total rules applied 106 place count 423 transition count 1222
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 109 place count 420 transition count 1216
Iterating global reduction 2 with 3 rules applied. Total rules applied 112 place count 420 transition count 1216
Applied a total of 112 rules in 204 ms. Remains 420 /475 variables (removed 55) and now considering 1216/1335 (removed 119) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 205 ms. Remains : 420/475 places, 1216/1335 transitions.
[2025-06-01 11:05:40] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:05:40] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
// Phase 1: matrix 687 rows 420 cols
[2025-06-01 11:05:40] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 3233 ms. (309 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 744 ms. (1342 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:05:44] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 11:05:44] [INFO ] Invariant cache hit.
[2025-06-01 11:05:44] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 11:05:45] [INFO ] [Real]Absence check using state equation in 246 ms returned sat
[2025-06-01 11:05:45] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:05:45] [INFO ] [Real]Added 75 Read/Feed constraints in 38 ms returned sat
[2025-06-01 11:05:45] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:05:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 11:05:45] [INFO ] [Nat]Absence check using state equation in 375 ms returned sat
[2025-06-01 11:05:45] [INFO ] [Nat]Added 75 Read/Feed constraints in 71 ms returned sat
[2025-06-01 11:05:45] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 353 transitions) in 148 ms.
[2025-06-01 11:05:46] [INFO ] Added : 17 causal constraints over 6 iterations in 711 ms. Result :sat
Minimization took 528 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 420 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 86 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86 ms. Remains : 420/420 places, 1216/1216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 420/420 places, 1216/1216 transitions.
Applied a total of 0 rules in 88 ms. Remains 420 /420 variables (removed 0) and now considering 1216/1216 (removed 0) transitions.
[2025-06-01 11:05:47] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 11:05:47] [INFO ] Invariant cache hit.
[2025-06-01 11:05:48] [INFO ] Implicit Places using invariants in 918 ms returned []
[2025-06-01 11:05:48] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 11:05:48] [INFO ] Invariant cache hit.
[2025-06-01 11:05:48] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:05:50] [INFO ] Implicit Places using invariants and state equation in 2501 ms returned []
Implicit Place search using SMT with State Equation took 3420 ms to find 0 implicit places.
[2025-06-01 11:05:50] [INFO ] Redundant transitions in 22 ms returned []
Running 1214 sub problems to find dead transitions.
[2025-06-01 11:05:50] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
[2025-06-01 11:05:50] [INFO ] Invariant cache hit.
[2025-06-01 11:05:50] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
[2025-06-01 11:06:13] [INFO ] Deduced a trap composed of 131 places in 374 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 420/1107 variables, and 4 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/420 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1214 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/420 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/420 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/420 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 3 (OVERLAPS) 687/1107 variables, 420/424 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1107 variables, 75/499 constraints. Problems are: Problem set: 0 solved, 1214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1107/1107 variables, and 1713 constraints, problems are : Problem set: 0 solved, 1214 unsolved in 31085 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 420/420 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1214/1214 constraints, Known Traps: 1/1 constraints]
After SMT, in 67017ms problems are : Problem set: 0 solved, 1214 unsolved
Search for dead transitions found 0 dead transitions in 67030ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70568 ms. Remains : 420/420 places, 1216/1216 transitions.
[2025-06-01 11:06:57] [INFO ] Flow matrix only has 687 transitions (discarded 529 similar events)
Found an invariant !
This invariant on transitions {244=1, 334=1, 660=1, 685=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 342=1, 668=1, 685=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:06:58] [INFO ] Flatten gal took : 45 ms
RANDOM walk for 36747 steps (8 resets) in 276 ms. (132 steps per ms) remains 0/1 properties
[2025-06-01 11:06:58] [INFO ] Flatten gal took : 48 ms
[2025-06-01 11:06:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7513532463898976913.gal : 8 ms
[2025-06-01 11:06:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8942253208452019512.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7513532463898976913.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8942253208452019512.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-12 in 80145 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:06:58] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 11:06:58] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 55 ms. (178 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:06:58] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 11:06:58] [INFO ] Invariant cache hit.
[2025-06-01 11:06:58] [INFO ] [Real]Absence check using 3 positive place invariants in 11 ms returned sat
[2025-06-01 11:06:58] [INFO ] [Real]Absence check using state equation in 363 ms returned sat
[2025-06-01 11:06:58] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 11:06:58] [INFO ] [Real]Added 100 Read/Feed constraints in 46 ms returned sat
[2025-06-01 11:06:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:06:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2025-06-01 11:06:59] [INFO ] [Nat]Absence check using state equation in 277 ms returned sat
[2025-06-01 11:06:59] [INFO ] [Nat]Added 100 Read/Feed constraints in 43 ms returned sat
[2025-06-01 11:06:59] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 89 ms.
[2025-06-01 11:06:59] [INFO ] Added : 2 causal constraints over 1 iterations in 196 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 14 place count 464 transition count 1312
Iterating global reduction 1 with 8 rules applied. Total rules applied 22 place count 464 transition count 1312
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 24 place count 464 transition count 1310
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 32 place count 456 transition count 1292
Iterating global reduction 2 with 8 rules applied. Total rules applied 40 place count 456 transition count 1292
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 47 place count 449 transition count 1274
Iterating global reduction 2 with 7 rules applied. Total rules applied 54 place count 449 transition count 1274
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 60 place count 443 transition count 1262
Iterating global reduction 2 with 6 rules applied. Total rules applied 66 place count 443 transition count 1262
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 72 place count 437 transition count 1250
Iterating global reduction 2 with 6 rules applied. Total rules applied 78 place count 437 transition count 1250
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 84 place count 431 transition count 1238
Iterating global reduction 2 with 6 rules applied. Total rules applied 90 place count 431 transition count 1238
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 94 place count 427 transition count 1230
Iterating global reduction 2 with 4 rules applied. Total rules applied 98 place count 427 transition count 1230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 101 place count 424 transition count 1224
Iterating global reduction 2 with 3 rules applied. Total rules applied 104 place count 424 transition count 1224
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 106 place count 422 transition count 1220
Iterating global reduction 2 with 2 rules applied. Total rules applied 108 place count 422 transition count 1220
Applied a total of 108 rules in 244 ms. Remains 422 /475 variables (removed 53) and now considering 1220/1335 (removed 115) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 244 ms. Remains : 422/475 places, 1220/1335 transitions.
[2025-06-01 11:07:00] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:07:00] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
// Phase 1: matrix 689 rows 422 cols
[2025-06-01 11:07:00] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 3314 ms. (301 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 737 ms. (1355 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2025-06-01 11:07:05] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:07:05] [INFO ] Invariant cache hit.
[2025-06-01 11:07:05] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 11:07:05] [INFO ] [Real]Absence check using state equation in 279 ms returned sat
[2025-06-01 11:07:05] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:07:05] [INFO ] [Real]Added 75 Read/Feed constraints in 64 ms returned sat
[2025-06-01 11:07:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:07:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 11:07:06] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2025-06-01 11:07:06] [INFO ] [Nat]Added 75 Read/Feed constraints in 84 ms returned sat
[2025-06-01 11:07:06] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 127 ms.
[2025-06-01 11:07:06] [INFO ] Added : 9 causal constraints over 3 iterations in 460 ms. Result :sat
Minimization took 395 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 50 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 50 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 11:07:07] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:07:07] [INFO ] Invariant cache hit.
[2025-06-01 11:07:07] [INFO ] Implicit Places using invariants in 658 ms returned []
[2025-06-01 11:07:07] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:07:07] [INFO ] Invariant cache hit.
[2025-06-01 11:07:08] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:07:09] [INFO ] Implicit Places using invariants and state equation in 2014 ms returned []
Implicit Place search using SMT with State Equation took 2672 ms to find 0 implicit places.
[2025-06-01 11:07:09] [INFO ] Redundant transitions in 22 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 11:07:09] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:07:09] [INFO ] Invariant cache hit.
[2025-06-01 11:07:09] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2025-06-01 11:07:33] [INFO ] Deduced a trap composed of 131 places in 447 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1111 variables, 75/501 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1719 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 31017 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
After SMT, in 66171ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 66183ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68934 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-01 11:08:16] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 11:08:16] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:08:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 3036 ms. (329 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 699 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 11:08:20] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:08:20] [INFO ] Invariant cache hit.
[2025-06-01 11:08:20] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 11:08:20] [INFO ] [Real]Absence check using state equation in 334 ms returned sat
[2025-06-01 11:08:20] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:08:20] [INFO ] [Real]Added 75 Read/Feed constraints in 60 ms returned sat
[2025-06-01 11:08:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:08:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 11:08:21] [INFO ] [Nat]Absence check using state equation in 363 ms returned sat
[2025-06-01 11:08:21] [INFO ] [Nat]Added 75 Read/Feed constraints in 67 ms returned sat
[2025-06-01 11:08:21] [INFO ] Deduced a trap composed of 70 places in 499 ms of which 6 ms to minimize.
[2025-06-01 11:08:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 575 ms
[2025-06-01 11:08:21] [INFO ] Computed and/alt/rep : 332/1248/332 causal constraints (skipped 355 transitions) in 119 ms.
[2025-06-01 11:08:22] [INFO ] Added : 8 causal constraints over 3 iterations in 478 ms. Result :sat
Minimization took 511 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 48 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 48 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2025-06-01 11:08:22] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:08:22] [INFO ] Invariant cache hit.
[2025-06-01 11:08:23] [INFO ] Implicit Places using invariants in 741 ms returned []
[2025-06-01 11:08:23] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:08:23] [INFO ] Invariant cache hit.
[2025-06-01 11:08:24] [INFO ] State equation strengthened by 75 read => feed constraints.
[2025-06-01 11:08:26] [INFO ] Implicit Places using invariants and state equation in 2806 ms returned []
Implicit Place search using SMT with State Equation took 3549 ms to find 0 implicit places.
[2025-06-01 11:08:26] [INFO ] Redundant transitions in 35 ms returned []
Running 1218 sub problems to find dead transitions.
[2025-06-01 11:08:26] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2025-06-01 11:08:26] [INFO ] Invariant cache hit.
[2025-06-01 11:08:26] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
[2025-06-01 11:08:51] [INFO ] Deduced a trap composed of 131 places in 463 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/422 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (OVERLAPS) 689/1111 variables, 422/426 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1111 variables, 75/501 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 1719 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30839 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 1/1 constraints]
After SMT, in 66026ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 66048ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69691 ms. Remains : 422/422 places, 1220/1220 transitions.
[2025-06-01 11:09:32] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Found an invariant !
This invariant on transitions {228=1, 320=1, 518=1, 684=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {252=1, 344=1, 670=1, 688=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 51 ms. (steps per millisecond=196 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-01 11:09:32] [INFO ] Flatten gal took : 36 ms
[2025-06-01 11:09:33] [INFO ] Flatten gal took : 37 ms
RANDOM walk for 40000 steps (8 resets) in 226 ms. (176 steps per ms) remains 1/1 properties
[2025-06-01 11:09:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6649473057246171004.gal : 6 ms
[2025-06-01 11:09:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9046947143575578551.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6649473057246171004.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9046947143575578551.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 36151 steps (7 resets) in 40 ms. (881 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-13 in 154701 ms.
Starting property specific reduction for FunctionPointer-PT-c004-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[4]
[2025-06-01 11:09:33] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
// Phase 1: matrix 778 rows 475 cols
[2025-06-01 11:09:33] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 10000 steps (2 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[4]
[2025-06-01 11:09:33] [INFO ] Flow matrix only has 778 transitions (discarded 557 similar events)
[2025-06-01 11:09:33] [INFO ] Invariant cache hit.
[2025-06-01 11:09:33] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2025-06-01 11:09:33] [INFO ] [Real]Absence check using state equation in 316 ms returned sat
[2025-06-01 11:09:33] [INFO ] State equation strengthened by 100 read => feed constraints.
[2025-06-01 11:09:33] [INFO ] [Real]Added 100 Read/Feed constraints in 62 ms returned sat
[2025-06-01 11:09:33] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:09:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 11:09:34] [INFO ] [Nat]Absence check using state equation in 440 ms returned sat
[2025-06-01 11:09:34] [INFO ] [Nat]Added 100 Read/Feed constraints in 107 ms returned sat
[2025-06-01 11:09:34] [INFO ] Computed and/alt/rep : 86/90/86 causal constraints (skipped 690 transitions) in 133 ms.
[2025-06-01 11:09:34] [INFO ] Added : 2 causal constraints over 1 iterations in 306 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[4]
Support contains 1 out of 475 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 475/475 places, 1335/1335 transitions.
Graph (complete) has 2294 edges and 475 vertex of which 472 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 472 transition count 1330
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 15 place count 463 transition count 1310
Iterating global reduction 1 with 9 rules applied. Total rules applied 24 place count 463 transition count 1310
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 26 place count 463 transition count 1308
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 35 place count 454 transition count 1288
Iterating global reduction 2 with 9 rules applied. Total rules applied 44 place count 454 transition count 1288
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 52 place count 446 transition count 1266
Iterating global reduction 2 with 8 rules applied. Total rules applied 60 place count 446 transition count 1266
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 67 place count 439 transition count 1252
Iterating global reduction 2 with 7 rules applied. Total rules applied 74 place count 439 transition count 1252
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 81 place count 432 transition count 1238
Iterating global reduction 2 with 7 rules applied. Total rules applied 88 place count 432 transition count 1238
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 95 place count 425 transition count 1224
Iterating global reduction 2 with 7 rules applied. Total rules applied 102 place count 425 transition count 1224
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 107 place count 420 transition count 1214
Iterating global reduction 2 with 5 rules applied. Total rules applied 112 place count 420 transition count 1214
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 116 place count 416 transition count 1206
Iterating global reduction 2 with 4 rules applied. Total rules applied 120 place count 416 transition count 1206
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 123 place count 413 transition count 1200
Iterating global reduction 2 with 3 rules applied. Total rules applied 126 place count 413 transition count 1200
Applied a total of 126 rules in 247 ms. Remains 413 /475 variables (removed 62) and now considering 1200/1335 (removed 135) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 248 ms. Remains : 413/475 places, 1200/1335 transitions.
[2025-06-01 11:09:35] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
// Phase 1: matrix 675 rows 413 cols
[2025-06-01 11:09:35] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 1000000 steps (2 resets) in 3561 ms. (280 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 709 ms. (1408 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[4]
[2025-06-01 11:09:39] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 11:09:39] [INFO ] Invariant cache hit.
[2025-06-01 11:09:39] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2025-06-01 11:09:40] [INFO ] [Real]Absence check using state equation in 343 ms returned sat
[2025-06-01 11:09:40] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-01 11:09:40] [INFO ] [Real]Added 72 Read/Feed constraints in 101 ms returned sat
[2025-06-01 11:09:40] [INFO ] Solution in real domain found non-integer solution.
[2025-06-01 11:09:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 9 ms returned sat
[2025-06-01 11:09:40] [INFO ] [Nat]Absence check using state equation in 358 ms returned sat
[2025-06-01 11:09:40] [INFO ] [Nat]Added 72 Read/Feed constraints in 108 ms returned sat
[2025-06-01 11:09:41] [INFO ] Computed and/alt/rep : 332/994/330 causal constraints (skipped 343 transitions) in 127 ms.
[2025-06-01 11:09:41] [INFO ] Added : 2 causal constraints over 1 iterations in 280 ms. Result :sat
Minimization took 499 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[4]
Support contains 1 out of 413 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 77 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 413/413 places, 1200/1200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 413/413 places, 1200/1200 transitions.
Applied a total of 0 rules in 74 ms. Remains 413 /413 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2025-06-01 11:09:41] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 11:09:41] [INFO ] Invariant cache hit.
[2025-06-01 11:09:42] [INFO ] Implicit Places using invariants in 914 ms returned []
[2025-06-01 11:09:42] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 11:09:42] [INFO ] Invariant cache hit.
[2025-06-01 11:09:43] [INFO ] State equation strengthened by 72 read => feed constraints.
[2025-06-01 11:09:45] [INFO ] Implicit Places using invariants and state equation in 2598 ms returned []
Implicit Place search using SMT with State Equation took 3513 ms to find 0 implicit places.
[2025-06-01 11:09:45] [INFO ] Redundant transitions in 20 ms returned []
Running 1198 sub problems to find dead transitions.
[2025-06-01 11:09:45] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 11:09:45] [INFO ] Invariant cache hit.
[2025-06-01 11:09:45] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
[2025-06-01 11:10:10] [INFO ] Deduced a trap composed of 131 places in 452 ms of which 6 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 1.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 0.0)
(s23 0.0)
(s24 0.0)
(s25 0.0)
(s26 0.0)
(s27 0.0)
(s28 0.0)
(s29 0.0)
(s30 0.0)
(s31 0.0)
(s32 0.0)
(s33 0.0)
(s34 0.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 413/1088 variables, and 4 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/413 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 1198/1198 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/413 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/413 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/413 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 3 (OVERLAPS) 675/1088 variables, 413/417 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1088 variables, 72/489 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1088 variables, 1198/1687 constraints. Problems are: Problem set: 0 solved, 1198 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1088/1088 variables, and 1687 constraints, problems are : Problem set: 0 solved, 1198 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 413/413 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1198/1198 constraints, Known Traps: 1/1 constraints]
After SMT, in 65337ms problems are : Problem set: 0 solved, 1198 unsolved
Search for dead transitions found 0 dead transitions in 65351ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68967 ms. Remains : 413/413 places, 1200/1200 transitions.
[2025-06-01 11:10:50] [INFO ] Flow matrix only has 675 transitions (discarded 525 similar events)
[2025-06-01 11:10:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[4]
FORMULA FunctionPointer-PT-c004-UpperBounds-15 4 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 2784 ms. (359 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-01 11:10:53] [INFO ] Flatten gal took : 38 ms
[2025-06-01 11:10:53] [INFO ] Flatten gal took : 31 ms
[2025-06-01 11:10:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16289481876650097623.gal : 5 ms
[2025-06-01 11:10:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4321866496567389836.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16289481876650097623.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4321866496567389836.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-c004-UpperBounds-15 in 80675 ms.
[2025-06-01 11:10:53] [INFO ] Flatten gal took : 33 ms
[2025-06-01 11:10:53] [INFO ] Applying decomposition
[2025-06-01 11:10:53] [INFO ] Flatten gal took : 35 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph2254676625370611823.txt' '-o' '/tmp/graph2254676625370611823.bin' '-w' '/tmp/graph2254676625370611823.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph2254676625370611823.bin' '-l' '-1' '-v' '-w' '/tmp/graph2254676625370611823.weights' '-q' '0' '-e' '0.001'
[2025-06-01 11:10:53] [INFO ] Decomposing Gal with order
[2025-06-01 11:10:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 11:10:53] [INFO ] Removed a total of 2292 redundant transitions.
[2025-06-01 11:10:53] [INFO ] Flatten gal took : 64 ms
[2025-06-01 11:10:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 1045 labels/synchronizations in 32 ms.
[2025-06-01 11:10:54] [INFO ] Time to serialize gal into /tmp/UpperBounds10883424574439966809.gal : 9 ms
[2025-06-01 11:10:54] [INFO ] Time to serialize properties into /tmp/UpperBounds7993155054257761771.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds10883424574439966809.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds7993155054257761771.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds7993155054257761771.prop.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-c004"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is FunctionPointer-PT-c004, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r111-smll-174867015800016"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c004.tgz
mv FunctionPointer-PT-c004 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;