Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r162-smll-177961107700205.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is JoinFreeModules-PT-0500, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107700205
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 7.2K Mar 7 16:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 16:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 7 16:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 7 16:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 11:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 11:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 11:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 16:43 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Mar 7 16:43 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 7 16:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 36K Mar 7 16:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M Mar 3 18:30 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 JoinFreeModules-PT-0500-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-0500-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779761322380

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0500
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-26 02:08:44] [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]
[2026-05-26 02:08:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 02:08:44] [INFO ] Load time of PNML (sax parser for PT used): 441 ms
[2026-05-26 02:08:44] [INFO ] Transformed 2501 places.
[2026-05-26 02:08:44] [INFO ] Transformed 4001 transitions.
[2026-05-26 02:08:44] [INFO ] Parsed PT model containing 2501 places and 4001 transitions and 11502 arcs in 616 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[2, 1, 500, 0, 0, 0, 2, 0, 0, 2, 500, 0, 0, 2, 500, 500] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2, 1, 500, 0, 0, 0, 2, 0, 0, 2, 500, 0, 0, 2, 500, 500] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17206723823921120857.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15013272780910746740.kers'
[2026-05-26 02:08:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17206723823921120857.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15013272780910746740.kers]
Normalized transition count is 4000 out of 4001 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 4000 rows 2500 cols 10000 entries
Finished phase 1 with 2000 SingleSign rule and 0 generalized
[2026-05-26 02:08:44] [INFO ] Computed 500 invariants in 19 ms
Computed 500 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-15013272780910746740.kers
Total runtime 26 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 1, 500, 0, 0, 0, 2, 0, 0, 2, 500, 0, 0, 2, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
RANDOM walk for 10030 steps (2 resets) in 342 ms. (29 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 4568 ms. (35 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 5, 500, 4, 4, 4, 2, 4, 4, 2, 500, 4, 4, 2, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
[2026-05-26 02:08:49] [INFO ] Invariant cache hit.
[2026-05-26 02:08:51] [INFO ] [Real]Absence check using 500 positive place invariants in 255 ms returned sat
[2026-05-26 02:08:53] [INFO ] [Real]Absence check using state equation in 2022 ms returned sat
[2026-05-26 02:08:53] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:08:54] [INFO ] [Nat]Absence check using 500 positive place invariants in 212 ms returned sat
[2026-05-26 02:08:56] [INFO ] [Nat]Absence check using state equation in 2343 ms returned unknown
[2026-05-26 02:08:57] [INFO ] [Real]Absence check using 500 positive place invariants in 181 ms returned sat
[2026-05-26 02:08:59] [INFO ] [Real]Absence check using state equation in 1934 ms returned sat
[2026-05-26 02:08:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:00] [INFO ] [Nat]Absence check using 500 positive place invariants in 180 ms returned sat
[2026-05-26 02:09:01] [INFO ] [Nat]Absence check using state equation in 1907 ms returned sat
[2026-05-26 02:09:01] [INFO ] State equation strengthened by 500 read => feed constraints.
[2026-05-26 02:09:02] [INFO ] [Nat]Added 500 Read/Feed constraints in 481 ms returned sat
[2026-05-26 02:09:04] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:960)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 02:09:05] [INFO ] [Real]Absence check using 500 positive place invariants in 196 ms returned sat
[2026-05-26 02:09:06] [INFO ] [Real]Absence check using state equation in 1856 ms returned sat
[2026-05-26 02:09:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:07] [INFO ] [Nat]Absence check using 500 positive place invariants in 184 ms returned sat
[2026-05-26 02:09:09] [INFO ] [Nat]Absence check using state equation in 2235 ms returned unknown
[2026-05-26 02:09:10] [INFO ] [Real]Absence check using 500 positive place invariants in 174 ms returned sat
[2026-05-26 02:09:12] [INFO ] [Real]Absence check using state equation in 1804 ms returned sat
[2026-05-26 02:09:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:13] [INFO ] [Nat]Absence check using 500 positive place invariants in 178 ms returned sat
[2026-05-26 02:09:15] [INFO ] [Nat]Absence check using state equation in 2225 ms returned unknown
[2026-05-26 02:09:15] [INFO ] [Real]Absence check using 500 positive place invariants in 174 ms returned sat
[2026-05-26 02:09:17] [INFO ] [Real]Absence check using state equation in 1787 ms returned sat
[2026-05-26 02:09:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:18] [INFO ] [Nat]Absence check using 500 positive place invariants in 179 ms returned sat
[2026-05-26 02:09:20] [INFO ] [Nat]Absence check using state equation in 2228 ms returned unknown
[2026-05-26 02:09:21] [INFO ] [Real]Absence check using 500 positive place invariants in 176 ms returned sat
[2026-05-26 02:09:23] [INFO ] [Real]Absence check using state equation in 1828 ms returned sat
[2026-05-26 02:09:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:23] [INFO ] [Nat]Absence check using 500 positive place invariants in 176 ms returned sat
[2026-05-26 02:09:27] [INFO ] [Nat]Absence check using state equation in 3222 ms returned unknown
[2026-05-26 02:09:27] [INFO ] [Real]Absence check using 500 positive place invariants in 170 ms returned sat
[2026-05-26 02:09:29] [INFO ] [Real]Absence check using state equation in 1781 ms returned sat
[2026-05-26 02:09:29] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:30] [INFO ] [Nat]Absence check using 500 positive place invariants in 180 ms returned sat
[2026-05-26 02:09:32] [INFO ] [Nat]Absence check using state equation in 2239 ms returned unknown
[2026-05-26 02:09:33] [INFO ] [Real]Absence check using 500 positive place invariants in 175 ms returned sat
[2026-05-26 02:09:34] [INFO ] [Real]Absence check using state equation in 1807 ms returned sat
[2026-05-26 02:09:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:35] [INFO ] [Nat]Absence check using 500 positive place invariants in 181 ms returned sat
[2026-05-26 02:09:37] [INFO ] [Nat]Absence check using state equation in 2212 ms returned unknown
[2026-05-26 02:09:38] [INFO ] [Real]Absence check using 500 positive place invariants in 176 ms returned sat
[2026-05-26 02:09:40] [INFO ] [Real]Absence check using state equation in 1826 ms returned sat
[2026-05-26 02:09:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:41] [INFO ] [Nat]Absence check using 500 positive place invariants in 182 ms returned sat
[2026-05-26 02:09:43] [INFO ] [Nat]Absence check using state equation in 2261 ms returned unknown
[2026-05-26 02:09:43] [INFO ] [Real]Absence check using 500 positive place invariants in 191 ms returned sat
[2026-05-26 02:09:45] [INFO ] [Real]Absence check using state equation in 1847 ms returned sat
[2026-05-26 02:09:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:46] [INFO ] [Nat]Absence check using 500 positive place invariants in 183 ms returned sat
[2026-05-26 02:09:48] [INFO ] [Nat]Absence check using state equation in 2259 ms returned unknown
[2026-05-26 02:09:49] [INFO ] [Real]Absence check using 500 positive place invariants in 175 ms returned sat
[2026-05-26 02:09:51] [INFO ] [Real]Absence check using state equation in 1812 ms returned sat
[2026-05-26 02:09:51] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:51] [INFO ] [Nat]Absence check using 500 positive place invariants in 177 ms returned sat
[2026-05-26 02:09:53] [INFO ] [Nat]Absence check using state equation in 2020 ms returned unknown
[2026-05-26 02:09:54] [INFO ] [Real]Absence check using 500 positive place invariants in 171 ms returned sat
[2026-05-26 02:09:56] [INFO ] [Real]Absence check using state equation in 1794 ms returned sat
[2026-05-26 02:09:56] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:09:57] [INFO ] [Nat]Absence check using 500 positive place invariants in 181 ms returned sat
[2026-05-26 02:09:58] [INFO ] [Nat]Absence check using state equation in 1830 ms returned sat
[2026-05-26 02:09:59] [INFO ] [Nat]Added 500 Read/Feed constraints in 258 ms returned sat
[2026-05-26 02:10:01] [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 11
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:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-26 02:10:02] [INFO ] [Real]Absence check using 500 positive place invariants in 173 ms returned sat
[2026-05-26 02:10:04] [INFO ] [Real]Absence check using state equation in 1804 ms returned sat
[2026-05-26 02:10:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:10:04] [INFO ] [Nat]Absence check using 500 positive place invariants in 182 ms returned sat
[2026-05-26 02:10:07] [INFO ] [Nat]Absence check using state equation in 2247 ms returned unknown
[2026-05-26 02:10:07] [INFO ] [Real]Absence check using 500 positive place invariants in 175 ms returned sat
[2026-05-26 02:10:09] [INFO ] [Real]Absence check using state equation in 1774 ms returned sat
[2026-05-26 02:10:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:10:10] [INFO ] [Nat]Absence check using 500 positive place invariants in 177 ms returned sat
[2026-05-26 02:10:12] [INFO ] [Nat]Absence check using state equation in 2226 ms returned unknown
[2026-05-26 02:10:12] [INFO ] [Real]Absence check using 500 positive place invariants in 174 ms returned sat
[2026-05-26 02:10:14] [INFO ] [Real]Absence check using state equation in 1779 ms returned sat
[2026-05-26 02:10:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:10:15] [INFO ] [Nat]Absence check using 500 positive place invariants in 177 ms returned sat
[2026-05-26 02:10:17] [INFO ] [Nat]Absence check using state equation in 2243 ms returned unknown
[2026-05-26 02:10:18] [INFO ] [Real]Absence check using 500 positive place invariants in 178 ms returned sat
[2026-05-26 02:10:20] [INFO ] [Real]Absence check using state equation in 1816 ms returned sat
[2026-05-26 02:10:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:10:20] [INFO ] [Nat]Absence check using 500 positive place invariants in 179 ms returned sat
[2026-05-26 02:10:23] [INFO ] [Nat]Absence check using state equation in 2236 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 5, 500, 4, 4, 4, 2, 4, 4, 2, 500, 4, 4, 2, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 5, 500, 4, 4, 4, 2, 4, 4, 2, 500, 4, 4, 2, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
Support contains 16 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 4001/4001 transitions.
Graph (complete) has 6000 edges and 2500 vertex of which 80 are kept as prefixes of interest. Removing 2420 places using SCC suffix rule.8 ms
Discarding 2420 places :
Also discarding 3872 output transitions
Drop transitions (Output transitions of discarded places.) removed 3872 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 80 transition count 128
Applied a total of 2 rules in 69 ms. Remains 80 /2500 variables (removed 2420) and now considering 128/4001 (removed 3873) transitions.
Running 96 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14655865674791474768.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16691204787551861991.kers'
[2026-05-26 02:10:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14655865674791474768.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16691204787551861991.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 128 rows 80 cols 320 entries
Finished phase 1 with 64 SingleSign rule and 0 generalized
[2026-05-26 02:10:23] [INFO ] Computed 16 invariants in 0 ms
Computed 16 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16691204787551861991.kers
Total runtime 1 ms.
[2026-05-26 02:10:23] [INFO ] State equation strengthened by 16 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 112 constraints, problems are : Problem set: 0 solved, 96 unsolved in 3819 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 96 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 96/208 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 8 (OVERLAPS) 0/208 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 210 constraints, problems are : Problem set: 0 solved, 96 unsolved in 14202 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18085ms problems are : Problem set: 0 solved, 96 unsolved
Search for dead transitions found 0 dead transitions in 18096ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18202 ms. Remains : 80/2500 places, 128/4001 transitions.
[2026-05-26 02:10:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 5, 500, 4, 4, 4, 2, 4, 4, 2, 500, 4, 4, 2, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
RANDOM walk for 1000192 steps (2 resets) in 1195 ms. (836 steps per ms)
FORMULA JoinFreeModules-PT-0500-UpperBounds-03 503 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 15000014 steps (30 resets) in 19855 ms. (755 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[466, 501, 500, 502, 450, 485, 502, 501, 469, 500, 501, 502, 499, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
[2026-05-26 02:11:02] [INFO ] Invariant cache hit.
[2026-05-26 02:11:02] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 02:11:02] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-26 02:11:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:02] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:02] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-26 02:11:02] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-26 02:11:02] [INFO ] [Nat]Added 16 Read/Feed constraints in 181 ms returned sat
[2026-05-26 02:11:02] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 17 ms.
[2026-05-26 02:11:03] [INFO ] Added : 72 causal constraints over 15 iterations in 343 ms. Result :sat
Minimization took 151 ms.
[2026-05-26 02:11:03] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-26 02:11:03] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2026-05-26 02:11:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:03] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-26 02:11:03] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-26 02:11:03] [INFO ] [Nat]Added 16 Read/Feed constraints in 238 ms returned sat
[2026-05-26 02:11:03] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-26 02:11:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 123 ms
[2026-05-26 02:11:04] [INFO ] Added : 76 causal constraints over 18 iterations in 462 ms. Result :sat
Minimization took 77 ms.
[2026-05-26 02:11:04] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-26 02:11:04] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-26 02:11:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:04] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-26 02:11:04] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2026-05-26 02:11:04] [INFO ] [Nat]Added 16 Read/Feed constraints in 279 ms returned sat
[2026-05-26 02:11:04] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-26 02:11:05] [INFO ] Added : 68 causal constraints over 16 iterations in 343 ms. Result :sat
Minimization took 90 ms.
[2026-05-26 02:11:05] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-26 02:11:05] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-26 02:11:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:05] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-26 02:11:05] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2026-05-26 02:11:05] [INFO ] [Nat]Added 16 Read/Feed constraints in 282 ms returned sat
[2026-05-26 02:11:05] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-26 02:11:06] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 129 ms
[2026-05-26 02:11:06] [INFO ] Added : 65 causal constraints over 15 iterations in 849 ms. Result :sat
Minimization took 35 ms.
[2026-05-26 02:11:06] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:06] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-26 02:11:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:06] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:06] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-26 02:11:07] [INFO ] [Nat]Added 16 Read/Feed constraints in 143 ms returned sat
[2026-05-26 02:11:07] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:11:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2026-05-26 02:11:07] [INFO ] Added : 63 causal constraints over 16 iterations in 238 ms. Result :sat
Minimization took 122 ms.
[2026-05-26 02:11:07] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:07] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-26 02:11:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:07] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:07] [INFO ] [Nat]Absence check using state equation in 160 ms returned sat
[2026-05-26 02:11:07] [INFO ] [Nat]Added 16 Read/Feed constraints in 4 ms returned sat
[2026-05-26 02:11:07] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 02:11:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2026-05-26 02:11:08] [INFO ] Added : 60 causal constraints over 13 iterations in 339 ms. Result :sat
Minimization took 68 ms.
[2026-05-26 02:11:08] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:08] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-26 02:11:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:08] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:08] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 02:11:08] [INFO ] [Nat]Added 16 Read/Feed constraints in 307 ms returned sat
[2026-05-26 02:11:08] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:11:08] [INFO ] Added : 65 causal constraints over 14 iterations in 177 ms. Result :sat
Minimization took 34 ms.
[2026-05-26 02:11:08] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:08] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-26 02:11:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:08] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:09] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2026-05-26 02:11:09] [INFO ] [Nat]Added 16 Read/Feed constraints in 228 ms returned sat
[2026-05-26 02:11:09] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 02:11:09] [INFO ] Added : 55 causal constraints over 11 iterations in 141 ms. Result :sat
Minimization took 42 ms.
[2026-05-26 02:11:09] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:09] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-26 02:11:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:09] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:09] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-26 02:11:09] [INFO ] [Nat]Added 16 Read/Feed constraints in 89 ms returned sat
[2026-05-26 02:11:09] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:11:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 41 ms
[2026-05-26 02:11:10] [INFO ] Added : 62 causal constraints over 14 iterations in 507 ms. Result :sat
Minimization took 89 ms.
[2026-05-26 02:11:10] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:10] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-26 02:11:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:10] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:10] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2026-05-26 02:11:10] [INFO ] [Nat]Added 16 Read/Feed constraints in 224 ms returned sat
[2026-05-26 02:11:10] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 02:11:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2026-05-26 02:11:10] [INFO ] Added : 55 causal constraints over 12 iterations in 185 ms. Result :sat
Minimization took 39 ms.
[2026-05-26 02:11:11] [INFO ] [Real]Absence check using 16 positive place invariants in 4 ms returned sat
[2026-05-26 02:11:11] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-26 02:11:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:11] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:11] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-26 02:11:11] [INFO ] [Nat]Added 16 Read/Feed constraints in 395 ms returned sat
[2026-05-26 02:11:11] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:11:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 85 ms
[2026-05-26 02:11:11] [INFO ] Added : 66 causal constraints over 14 iterations in 274 ms. Result :sat
Minimization took 42 ms.
[2026-05-26 02:11:11] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:11] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 02:11:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:12] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:12] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-26 02:11:12] [INFO ] [Nat]Added 16 Read/Feed constraints in 263 ms returned sat
[2026-05-26 02:11:12] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-26 02:11:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 82 ms
[2026-05-26 02:11:12] [INFO ] Added : 84 causal constraints over 20 iterations in 326 ms. Result :sat
Minimization took 36 ms.
[2026-05-26 02:11:12] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:12] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 02:11:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:12] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:12] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-26 02:11:13] [INFO ] [Nat]Added 16 Read/Feed constraints in 214 ms returned sat
[2026-05-26 02:11:13] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 02:11:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 34 ms
[2026-05-26 02:11:13] [INFO ] Added : 73 causal constraints over 16 iterations in 378 ms. Result :sat
Minimization took 51 ms.
[2026-05-26 02:11:13] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-26 02:11:13] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 02:11:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:13] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:13] [INFO ] [Nat]Absence check using state equation in 150 ms returned sat
[2026-05-26 02:11:13] [INFO ] [Nat]Added 16 Read/Feed constraints in 210 ms returned sat
[2026-05-26 02:11:14] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:11:14] [INFO ] Added : 33 causal constraints over 9 iterations in 100 ms. Result :sat
Minimization took 34 ms.
[2026-05-26 02:11:14] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:14] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 02:11:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:11:14] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-26 02:11:14] [INFO ] [Nat]Absence check using state equation in 175 ms returned sat
[2026-05-26 02:11:14] [INFO ] [Nat]Added 16 Read/Feed constraints in 210 ms returned sat
[2026-05-26 02:11:14] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:11:14] [INFO ] Added : 50 causal constraints over 11 iterations in 201 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[466, 501, 500, 502, 450, 485, 502, 501, 469, 500, 501, 502, 499, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[502, 501, 500, 502, 501, 502, 502, 501, 502, 500, 501, 502, 502, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
Support contains 15 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Graph (complete) has 192 edges and 80 vertex of which 75 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 7 ms. Remains 75 /80 variables (removed 5) and now considering 120/128 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 75/80 places, 120/128 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9808940829299778880.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16609743498011152743.kers'
[2026-05-26 02:11:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9808940829299778880.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16609743498011152743.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 120 rows 75 cols 300 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-26 02:11:58] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16609743498011152743.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[502, 501, 500, 502, 501, 502, 502, 501, 502, 500, 501, 502, 502, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
RANDOM walk for 1000058 steps (2 resets) in 1054 ms. (947 steps per ms)
BEST_FIRST walk for 15000015 steps (30 resets) in 18865 ms. (795 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[502, 501, 500, 502, 501, 502, 502, 502, 502, 500, 502, 502, 502, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
[2026-05-26 02:12:18] [INFO ] Invariant cache hit.
[2026-05-26 02:12:18] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:18] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-26 02:12:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:18] [INFO ] [Nat]Absence check using 15 positive place invariants in 4 ms returned sat
[2026-05-26 02:12:18] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-26 02:12:18] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-26 02:12:18] [INFO ] [Nat]Added 15 Read/Feed constraints in 184 ms returned sat
[2026-05-26 02:12:18] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:12:19] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 38 ms
Minimization took 25 ms.
[2026-05-26 02:12:19] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:19] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-26 02:12:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:19] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:19] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-26 02:12:19] [INFO ] [Nat]Added 15 Read/Feed constraints in 120 ms returned sat
[2026-05-26 02:12:19] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 02:12:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2026-05-26 02:12:19] [INFO ] Added : 42 causal constraints over 9 iterations in 172 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 02:12:19] [INFO ] [Real]Absence check using 15 positive place invariants in 4 ms returned sat
[2026-05-26 02:12:19] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-26 02:12:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:19] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:19] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-26 02:12:19] [INFO ] [Nat]Added 15 Read/Feed constraints in 120 ms returned sat
[2026-05-26 02:12:19] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:12:19] [INFO ] Added : 31 causal constraints over 8 iterations in 87 ms. Result :sat
Minimization took 34 ms.
[2026-05-26 02:12:19] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:20] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-26 02:12:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:20] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:20] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-26 02:12:20] [INFO ] [Nat]Added 15 Read/Feed constraints in 210 ms returned sat
[2026-05-26 02:12:20] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:12:20] [INFO ] Added : 32 causal constraints over 9 iterations in 127 ms. Result :sat
Minimization took 26 ms.
[2026-05-26 02:12:20] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:20] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 02:12:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:20] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:20] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-26 02:12:20] [INFO ] [Nat]Added 15 Read/Feed constraints in 205 ms returned sat
[2026-05-26 02:12:20] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:12:21] [INFO ] Added : 38 causal constraints over 8 iterations in 153 ms. Result :sat
Minimization took 44 ms.
[2026-05-26 02:12:21] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:21] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-26 02:12:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:21] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:21] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-26 02:12:21] [INFO ] [Nat]Added 15 Read/Feed constraints in 4 ms returned sat
[2026-05-26 02:12:21] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 25 ms
[2026-05-26 02:12:21] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:21] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-26 02:12:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:21] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:21] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2026-05-26 02:12:23] [INFO ] [Nat]Added 15 Read/Feed constraints in 1625 ms returned sat
[2026-05-26 02:12:23] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:12:23] [INFO ] Added : 41 causal constraints over 9 iterations in 134 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 02:12:23] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:23] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 02:12:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:23] [INFO ] [Nat]Absence check using 15 positive place invariants in 4 ms returned sat
[2026-05-26 02:12:23] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-26 02:12:23] [INFO ] [Nat]Added 15 Read/Feed constraints in 149 ms returned sat
[2026-05-26 02:12:23] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:12:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 71 ms
[2026-05-26 02:12:24] [INFO ] Added : 65 causal constraints over 14 iterations in 457 ms. Result :sat
Minimization took 31 ms.
[2026-05-26 02:12:24] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:24] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-26 02:12:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:24] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:24] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2026-05-26 02:12:24] [INFO ] [Nat]Added 15 Read/Feed constraints in 148 ms returned sat
[2026-05-26 02:12:24] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:12:24] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 28 ms
Minimization took 23 ms.
[2026-05-26 02:12:24] [INFO ] [Real]Absence check using 15 positive place invariants in 4 ms returned sat
[2026-05-26 02:12:24] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-26 02:12:24] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:24] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:24] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2026-05-26 02:12:24] [INFO ] [Nat]Added 15 Read/Feed constraints in 119 ms returned sat
[2026-05-26 02:12:25] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:12:25] [INFO ] Added : 32 causal constraints over 8 iterations in 97 ms. Result :sat
Minimization took 41 ms.
[2026-05-26 02:12:25] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:25] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-26 02:12:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:25] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:25] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-26 02:12:25] [INFO ] [Nat]Added 15 Read/Feed constraints in 290 ms returned sat
[2026-05-26 02:12:25] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 02:12:25] [INFO ] Added : 32 causal constraints over 7 iterations in 84 ms. Result :sat
Minimization took 23 ms.
[2026-05-26 02:12:25] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:25] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-26 02:12:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:25] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:25] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2026-05-26 02:12:25] [INFO ] [Nat]Added 15 Read/Feed constraints in 130 ms returned sat
[2026-05-26 02:12:26] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-26 02:12:26] [INFO ] Added : 49 causal constraints over 12 iterations in 293 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 02:12:26] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-26 02:12:26] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-26 02:12:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:26] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:26] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-26 02:12:26] [INFO ] [Nat]Added 15 Read/Feed constraints in 156 ms returned sat
[2026-05-26 02:12:26] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:12:26] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 29 ms
Minimization took 23 ms.
[2026-05-26 02:12:26] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:27] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-26 02:12:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:27] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:27] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2026-05-26 02:12:27] [INFO ] [Nat]Added 15 Read/Feed constraints in 184 ms returned sat
[2026-05-26 02:12:27] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 02:12:27] [INFO ] Added : 21 causal constraints over 6 iterations in 164 ms. Result :sat
Minimization took 29 ms.
[2026-05-26 02:12:27] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:27] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-26 02:12:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:12:27] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-26 02:12:27] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-26 02:12:28] [INFO ] [Nat]Added 15 Read/Feed constraints in 449 ms returned sat
[2026-05-26 02:12:28] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:12:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2026-05-26 02:12:28] [INFO ] Added : 45 causal constraints over 9 iterations in 163 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[502, 501, 500, 502, 501, 502, 502, 502, 502, 500, 502, 502, 502, 500, 500] Max Struct:[502, 503, 503, 503, 503, 502, 503, 503, 502, 503, 503, 503, 502, 503, 503]
FORMULA JoinFreeModules-PT-0500-UpperBounds-13 502 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0500-UpperBounds-09 502 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0500-UpperBounds-06 502 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-0500-UpperBounds-00 502 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[501, 500, 502, 501, 502, 502, 500, 502, 502, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
Support contains 11 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 120/120 transitions.
Graph (complete) has 180 edges and 75 vertex of which 55 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.0 ms
Discarding 20 places :
Also discarding 32 output transitions
Drop transitions (Output transitions of discarded places.) removed 32 transitions
Applied a total of 1 rules in 4 ms. Remains 55 /75 variables (removed 20) and now considering 88/120 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 55/75 places, 88/120 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5117966739346581452.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9735492625093871785.kers'
[2026-05-26 02:12:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5117966739346581452.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9735492625093871785.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 55 cols 220 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-26 02:12:52] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9735492625093871785.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[501, 500, 502, 501, 502, 502, 500, 502, 502, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
RANDOM walk for 1000065 steps (2 resets) in 788 ms. (1267 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 10725 ms. (1025 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[501, 500, 502, 501, 502, 502, 500, 502, 502, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
[2026-05-26 02:13:04] [INFO ] Invariant cache hit.
[2026-05-26 02:13:04] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 02:13:04] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 02:13:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:04] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 02:13:04] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2026-05-26 02:13:04] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 02:13:04] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2026-05-26 02:13:04] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:13:04] [INFO ] Added : 43 causal constraints over 9 iterations in 299 ms. Result :sat
Minimization took 32 ms.
[2026-05-26 02:13:04] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:04] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 02:13:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:04] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 02:13:04] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-26 02:13:04] [INFO ] [Nat]Added 11 Read/Feed constraints in 119 ms returned sat
[2026-05-26 02:13:04] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:13:05] [INFO ] Added : 36 causal constraints over 8 iterations in 330 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 02:13:05] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:13:05] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2026-05-26 02:13:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:05] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:05] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:13:05] [INFO ] [Nat]Added 11 Read/Feed constraints in 117 ms returned sat
[2026-05-26 02:13:05] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:13:05] [INFO ] Added : 50 causal constraints over 12 iterations in 105 ms. Result :sat
Minimization took 24 ms.
[2026-05-26 02:13:05] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 02:13:05] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-26 02:13:05] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:05] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:05] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:13:05] [INFO ] [Nat]Added 11 Read/Feed constraints in 118 ms returned sat
[2026-05-26 02:13:05] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:13:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
[2026-05-26 02:13:05] [INFO ] Added : 42 causal constraints over 10 iterations in 131 ms. Result :sat
Minimization took 24 ms.
[2026-05-26 02:13:05] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:13:06] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-26 02:13:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:06] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:13:06] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-26 02:13:06] [INFO ] [Nat]Added 11 Read/Feed constraints in 633 ms returned sat
[2026-05-26 02:13:06] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:13:06] [INFO ] Added : 34 causal constraints over 8 iterations in 77 ms. Result :sat
Minimization took 20 ms.
[2026-05-26 02:13:06] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:06] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 02:13:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:06] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 02:13:06] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:13:07] [INFO ] [Nat]Added 11 Read/Feed constraints in 123 ms returned sat
[2026-05-26 02:13:07] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 02:13:07] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 62 ms
[2026-05-26 02:13:07] [INFO ] Added : 50 causal constraints over 10 iterations in 165 ms. Result :sat
Minimization took 26 ms.
[2026-05-26 02:13:07] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:07] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:13:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:13:07] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-26 02:13:07] [INFO ] [Nat]Added 11 Read/Feed constraints in 169 ms returned sat
[2026-05-26 02:13:07] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:13:07] [INFO ] Added : 29 causal constraints over 8 iterations in 68 ms. Result :sat
Minimization took 31 ms.
[2026-05-26 02:13:07] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:07] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:13:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:07] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:13:08] [INFO ] [Nat]Added 11 Read/Feed constraints in 206 ms returned sat
[2026-05-26 02:13:08] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:13:08] [INFO ] Added : 30 causal constraints over 7 iterations in 493 ms. Result :sat
Minimization took 18 ms.
[2026-05-26 02:13:08] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:08] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-26 02:13:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:08] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:13:08] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-26 02:13:09] [INFO ] [Nat]Added 11 Read/Feed constraints in 621 ms returned sat
[2026-05-26 02:13:09] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 02:13:09] [INFO ] Added : 43 causal constraints over 10 iterations in 92 ms. Result :sat
Minimization took 22 ms.
[2026-05-26 02:13:09] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:09] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:13:09] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:09] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:09] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-26 02:13:09] [INFO ] [Nat]Added 11 Read/Feed constraints in 242 ms returned sat
[2026-05-26 02:13:09] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:13:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2026-05-26 02:13:09] [INFO ] Added : 36 causal constraints over 8 iterations in 218 ms. Result :sat
Minimization took 26 ms.
[2026-05-26 02:13:10] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:13:10] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:13:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:13:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:13:10] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-26 02:13:10] [INFO ] [Nat]Added 11 Read/Feed constraints in 152 ms returned sat
[2026-05-26 02:13:10] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 02:13:10] [INFO ] Added : 41 causal constraints over 9 iterations in 121 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[501, 500, 502, 501, 502, 502, 500, 502, 502, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[501, 500, 502, 501, 502, 502, 500, 502, 502, 500, 500] Max Struct:[503, 503, 503, 503, 503, 503, 503, 503, 503, 503, 503]
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 4 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 55/55 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 4 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2026-05-26 02:13:24] [INFO ] Invariant cache hit.
[2026-05-26 02:13:24] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-26 02:13:24] [INFO ] Invariant cache hit.
[2026-05-26 02:13:24] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 02:13:24] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
[2026-05-26 02:13:24] [INFO ] Redundant transitions in 2 ms returned []
Running 66 sub problems to find dead transitions.
[2026-05-26 02:13:24] [INFO ] Invariant cache hit.
[2026-05-26 02:13:24] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 77 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1923 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 66/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 144 constraints, problems are : Problem set: 0 solved, 66 unsolved in 28658 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30599ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 30600ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30708 ms. Remains : 55/55 places, 88/88 transitions.
RANDOM walk for 41221 steps (8 resets) in 132 ms. (309 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 22/22 properties
[2026-05-26 02:13:55] [INFO ] Flatten gal took : 51 ms
[2026-05-26 02:13:55] [INFO ] Flatten gal took : 19 ms
[2026-05-26 02:13:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8816182789001049226.gal : 10 ms
[2026-05-26 02:13:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13706850050324490798.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8816182789001049226.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13706850050324490798.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13706850050324490798.prop.
SDD proceeding with computation,22 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,22 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,22 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,22 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,22 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,22 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,22 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 94427 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :0 out of 22
Probabilistic random walk after 94427 steps, saw 88270 distinct states, run finished after 3009 ms. (steps per millisecond=31 ) properties seen :0
[2026-05-26 02:13:58] [INFO ] Invariant cache hit.
[2026-05-26 02:13:58] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX3 is UNSAT
Problem MAX6 is UNSAT
Problem MAX9 is UNSAT
Problem MAX10 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 6/17 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/17 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/72 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/83 constraints. Problems are: Problem set: 6 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/83 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/83 constraints. Problems are: Problem set: 6 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 83 constraints, problems are : Problem set: 6 solved, 16 unsolved in 744 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 6/17 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/17 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/72 constraints. Problems are: Problem set: 6 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/83 constraints. Problems are: Problem set: 6 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 143/143 variables, and 99 constraints, problems are : Problem set: 6 solved, 16 unsolved in 5010 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 16/22 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5759ms problems are : Problem set: 6 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 4 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 55/55 places, 88/88 transitions.
RANDOM walk for 40833 steps (8 resets) in 68 ms. (591 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
Interrupted probabilistic random walk after 119417 steps, run timeout after 3001 ms. (steps per millisecond=39 ) properties seen :0 out of 16
Probabilistic random walk after 119417 steps, saw 110999 distinct states, run finished after 3001 ms. (steps per millisecond=39 ) properties seen :0
[2026-05-26 02:14:07] [INFO ] Invariant cache hit.
[2026-05-26 02:14:07] [INFO ] State equation strengthened by 11 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 77 constraints, problems are : Problem set: 0 solved, 16 unsolved in 355 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/67 constraints. Problems are: Problem set: 0 solved, 16 unsolved
SDD proceeding with computation,22 properties remain. new max is 512
SDD size :11747 after 45400
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/78 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/143 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 0/143 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 95 constraints, problems are : Problem set: 0 solved, 16 unsolved in 15489 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15850ms problems are : Problem set: 0 solved, 16 unsolved
Fused 16 Parikh solutions to 1 different solutions.
Parikh walk visited 4 properties in 2528 ms.
Support contains 9 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 45 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.0 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 4 ms. Remains 45 /55 variables (removed 10) and now considering 72/88 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 45/55 places, 72/88 transitions.
RANDOM walk for 40539 steps (8 resets) in 56 ms. (711 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 152826 steps, run timeout after 3001 ms. (steps per millisecond=50 ) properties seen :0 out of 12
Probabilistic random walk after 152826 steps, saw 139479 distinct states, run finished after 3001 ms. (steps per millisecond=50 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11463597513432663542.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14769342617840015862.kers'
[2026-05-26 02:14:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11463597513432663542.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14769342617840015862.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 72 rows 45 cols 180 entries
Finished phase 1 with 36 SingleSign rule and 0 generalized
[2026-05-26 02:14:29] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14769342617840015862.kers
Total runtime 0 ms.
[2026-05-26 02:14:29] [INFO ] State equation strengthened by 9 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 36/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 72/117 variables, 45/54 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 9/63 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 117/117 variables, and 63 constraints, problems are : Problem set: 0 solved, 12 unsolved in 227 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 36/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 72/117 variables, 45/57 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 9/66 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 12/78 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 2/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/117 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/117 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 117/117 variables, and 80 constraints, problems are : Problem set: 0 solved, 12 unsolved in 5327 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5565ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 1 different solutions.
Parikh walk visited 4 properties in 10861 ms.
Support contains 7 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 72/72 transitions.
Graph (complete) has 108 edges and 45 vertex of which 35 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 3 ms. Remains 35 /45 variables (removed 10) and now considering 56/72 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 35/45 places, 56/72 transitions.
RANDOM walk for 40531 steps (8 resets) in 34 ms. (1158 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 64 ms. (615 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 8/8 properties
Detected timeout of ITS tools.
BEST_FIRST walk for 40004 steps (8 resets) in 64 ms. (615 steps per ms) remains 8/8 properties
[2026-05-26 02:14:45] [INFO ] Flatten gal took : 19 ms
[2026-05-26 02:14:45] [INFO ] Applying decomposition
[2026-05-26 02:14:45] [INFO ] Flatten gal took : 22 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph3787302496494243146.txt' '-o' '/tmp/graph3787302496494243146.bin' '-w' '/tmp/graph3787302496494243146.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph3787302496494243146.bin' '-l' '-1' '-v' '-w' '/tmp/graph3787302496494243146.weights' '-q' '0' '-e' '0.001'
[2026-05-26 02:14:45] [INFO ] Decomposing Gal with order
[2026-05-26 02:14:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 02:14:46] [INFO ] Flatten gal took : 12 ms
[2026-05-26 02:14:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 02:14:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11296039163889850262.gal : 3 ms
[2026-05-26 02:14:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8794750568668030007.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11296039163889850262.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8794750568668030007.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality8794750568668030007.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 183156 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :0 out of 8
Probabilistic random walk after 183156 steps, saw 160444 distinct states, run finished after 3001 ms. (steps per millisecond=61 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10310945783779089344.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16937308886403822721.kers'
[2026-05-26 02:14:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10310945783779089344.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16937308886403822721.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 56 rows 35 cols 140 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-26 02:14:48] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16937308886403822721.kers
Total runtime 1 ms.
[2026-05-26 02:14:48] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 28/35 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 56/91 variables, 35/42 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 7/49 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/91 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 91/91 variables, and 49 constraints, problems are : Problem set: 0 solved, 8 unsolved in 187 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 35/35 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 28/35 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 56/91 variables, 35/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 7/52 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/91 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/91 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/91 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 91/91 variables, and 62 constraints, problems are : Problem set: 0 solved, 8 unsolved in 5534 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 35/35 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5731ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 1 different solutions.
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :11747 after 45400
Parikh walk visited 0 properties in 8693 ms.
Support contains 7 out of 35 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 56/56 transitions.
Applied a total of 0 rules in 2 ms. Remains 35 /35 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 35/35 places, 56/56 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 56/56 transitions.
Applied a total of 0 rules in 2 ms. Remains 35 /35 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2026-05-26 02:15:03] [INFO ] Invariant cache hit.
[2026-05-26 02:15:03] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-26 02:15:03] [INFO ] Invariant cache hit.
[2026-05-26 02:15:03] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-26 02:15:03] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2026-05-26 02:15:03] [INFO ] Redundant transitions in 1 ms returned []
Running 42 sub problems to find dead transitions.
[2026-05-26 02:15:03] [INFO ] Invariant cache hit.
[2026-05-26 02:15:03] [INFO ] State equation strengthened by 7 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 1 (OVERLAPS) 7/35 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 3 (OVERLAPS) 56/91 variables, 35/42 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 7/49 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 6 (OVERLAPS) 0/91 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 42 unsolved
No progress, stopping.
After SMT solving in domain Real declared 91/91 variables, and 49 constraints, problems are : Problem set: 0 solved, 42 unsolved in 1023 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 35/35 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 42/42 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 42 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 1 (OVERLAPS) 7/35 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 3 (OVERLAPS) 56/91 variables, 35/42 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 7/49 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 42/91 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 7 (OVERLAPS) 0/91 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 42 unsolved
No progress, stopping.
After SMT solving in domain Int declared 91/91 variables, and 91 constraints, problems are : Problem set: 0 solved, 42 unsolved in 2453 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 35/35 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 42/42 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3483ms problems are : Problem set: 0 solved, 42 unsolved
Search for dead transitions found 0 dead transitions in 3484ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3572 ms. Remains : 35/35 places, 56/56 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA JoinFreeModules-PT-0500-UpperBounds-04 503 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-0500-UpperBounds-07 503 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-0500-UpperBounds-08 503 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-0500-UpperBounds-12 503 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (after reachability check) : Max Seen:[501, 500, 501, 500, 502, 500, 500] Max Struct:[502, 502, 502, 502, 503, 502, 502]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1923525710359438558.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10874675386739586314.kers'
[2026-05-26 02:15:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1923525710359438558.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10874675386739586314.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 88 rows 55 cols 220 entries
Finished phase 1 with 44 SingleSign rule and 0 generalized
[2026-05-26 02:15:06] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10874675386739586314.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[501, 500, 501, 500, 502, 500, 500] Max Struct:[502, 502, 502, 502, 503, 502, 502]
RANDOM walk for 1000236 steps (2 resets) in 810 ms. (1233 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 6574 ms. (1064 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[501, 500, 501, 500, 502, 500, 500] Max Struct:[502, 502, 502, 502, 503, 502, 502]
[2026-05-26 02:15:14] [INFO ] Invariant cache hit.
[2026-05-26 02:15:14] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:14] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 02:15:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:14] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-26 02:15:14] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-26 02:15:14] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2026-05-26 02:15:14] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:15:14] [INFO ] Added : 43 causal constraints over 9 iterations in 293 ms. Result :sat
Minimization took 32 ms.
[2026-05-26 02:15:14] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:14] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-26 02:15:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:14] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-26 02:15:14] [INFO ] [Nat]Added 11 Read/Feed constraints in 110 ms returned sat
[2026-05-26 02:15:14] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:15:15] [INFO ] Added : 36 causal constraints over 8 iterations in 312 ms. Result :sat
Minimization took 28 ms.
[2026-05-26 02:15:15] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:15] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:15:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:15] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:15:15] [INFO ] [Nat]Added 11 Read/Feed constraints in 116 ms returned sat
[2026-05-26 02:15:15] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:15:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2026-05-26 02:15:15] [INFO ] Added : 42 causal constraints over 10 iterations in 129 ms. Result :sat
Minimization took 23 ms.
[2026-05-26 02:15:15] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:15] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-26 02:15:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:15] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-26 02:15:15] [INFO ] [Nat]Added 11 Read/Feed constraints in 180 ms returned sat
[2026-05-26 02:15:15] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 02:15:16] [INFO ] Added : 29 causal constraints over 8 iterations in 71 ms. Result :sat
Minimization took 30 ms.
[2026-05-26 02:15:16] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:16] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:15:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:16] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:16] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2026-05-26 02:15:16] [INFO ] [Nat]Added 11 Read/Feed constraints in 220 ms returned sat
[2026-05-26 02:15:16] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-26 02:15:16] [INFO ] Added : 30 causal constraints over 7 iterations in 531 ms. Result :sat
Minimization took 21 ms.
[2026-05-26 02:15:17] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:17] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2026-05-26 02:15:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:17] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:15:17] [INFO ] [Nat]Added 11 Read/Feed constraints in 250 ms returned sat
[2026-05-26 02:15:17] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-26 02:15:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2026-05-26 02:15:17] [INFO ] Added : 36 causal constraints over 8 iterations in 222 ms. Result :sat
Minimization took 27 ms.
[2026-05-26 02:15:17] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-26 02:15:17] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:15:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:17] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2026-05-26 02:15:17] [INFO ] [Nat]Added 11 Read/Feed constraints in 151 ms returned sat
[2026-05-26 02:15:17] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-26 02:15:18] [INFO ] Added : 41 causal constraints over 9 iterations in 122 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[501, 500, 501, 500, 502, 500, 500] Max Struct:[502, 502, 502, 502, 503, 502, 502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[501, 500, 501, 500, 502, 500, 500] Max Struct:[502, 502, 502, 502, 503, 502, 502]
Support contains 7 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 35 are kept as prefixes of interest. Removing 20 places using SCC suffix rule.0 ms
Discarding 20 places :
Also discarding 32 output transitions
Drop transitions (Output transitions of discarded places.) removed 32 transitions
Applied a total of 1 rules in 5 ms. Remains 35 /55 variables (removed 20) and now considering 56/88 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 35/55 places, 56/88 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3154558684424944309.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6835117315958199291.kers'
[2026-05-26 02:15:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3154558684424944309.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6835117315958199291.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 56 rows 35 cols 140 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-26 02:15:25] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6835117315958199291.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[501, 500, 501, 500, 502, 500, 500] Max Struct:[502, 502, 502, 502, 503, 502, 502]
RANDOM walk for 1000073 steps (2 resets) in 533 ms. (1872 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 4543 ms. (1540 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[501, 500, 501, 500, 502, 500, 500] Max Struct:[502, 502, 502, 502, 503, 502, 502]
[2026-05-26 02:15:30] [INFO ] Invariant cache hit.
[2026-05-26 02:15:30] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:30] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:30] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:30] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:30] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-26 02:15:30] [INFO ] [Nat]Added 7 Read/Feed constraints in 3 ms returned sat
[2026-05-26 02:15:30] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:15:30] [INFO ] Added : 18 causal constraints over 5 iterations in 36 ms. Result :sat
Minimization took 18 ms.
[2026-05-26 02:15:30] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:30] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:30] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2026-05-26 02:15:30] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:30] [INFO ] [Nat]Added 7 Read/Feed constraints in 35 ms returned sat
[2026-05-26 02:15:30] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 02:15:30] [INFO ] Added : 20 causal constraints over 5 iterations in 51 ms. Result :sat
Minimization took 17 ms.
[2026-05-26 02:15:30] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:30] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-26 02:15:30] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:30] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Added 7 Read/Feed constraints in 53 ms returned sat
[2026-05-26 02:15:31] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:15:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 56 ms
[2026-05-26 02:15:31] [INFO ] Added : 22 causal constraints over 6 iterations in 144 ms. Result :sat
Minimization took 14 ms.
[2026-05-26 02:15:31] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Added 7 Read/Feed constraints in 64 ms returned sat
[2026-05-26 02:15:31] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 02:15:31] [INFO ] Added : 32 causal constraints over 8 iterations in 59 ms. Result :sat
Minimization took 21 ms.
[2026-05-26 02:15:31] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-26 02:15:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Added 7 Read/Feed constraints in 33 ms returned sat
[2026-05-26 02:15:31] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:15:31] [INFO ] Added : 21 causal constraints over 6 iterations in 41 ms. Result :sat
Minimization took 15 ms.
[2026-05-26 02:15:31] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Added 7 Read/Feed constraints in 33 ms returned sat
[2026-05-26 02:15:31] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:15:31] [INFO ] Added : 18 causal constraints over 6 iterations in 42 ms. Result :sat
Minimization took 18 ms.
[2026-05-26 02:15:31] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-26 02:15:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:31] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:32] [INFO ] [Nat]Added 7 Read/Feed constraints in 54 ms returned sat
[2026-05-26 02:15:32] [INFO ] Computed and/alt/rep : 42/105/42 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 02:15:32] [INFO ] Added : 26 causal constraints over 7 iterations in 50 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[501, 500, 501, 500, 502, 500, 500] Max Struct:[502, 502, 502, 502, 503, 502, 502]
FORMULA JoinFreeModules-PT-0500-UpperBounds-05 502 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[501, 500, 500, 502, 500, 500] Max Struct:[502, 502, 502, 503, 502, 502]
Support contains 6 out of 35 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 56/56 transitions.
Graph (complete) has 84 edges and 35 vertex of which 30 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 3 ms. Remains 30 /35 variables (removed 5) and now considering 48/56 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 30/35 places, 48/56 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7521014371938285437.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5235553920585059027.kers'
[2026-05-26 02:15:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7521014371938285437.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5235553920585059027.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 30 cols 120 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-26 02:15:35] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5235553920585059027.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[501, 500, 500, 502, 500, 500] Max Struct:[502, 502, 502, 503, 502, 502]
RANDOM walk for 1000046 steps (2 resets) in 469 ms. (2127 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 3613 ms. (1660 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[501, 500, 500, 502, 500, 500] Max Struct:[502, 502, 502, 503, 502, 502]
[2026-05-26 02:15:39] [INFO ] Invariant cache hit.
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-26 02:15:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-26 02:15:39] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:15:39] [INFO ] [Nat]Added 6 Read/Feed constraints in 10 ms returned sat
[2026-05-26 02:15:39] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 02:15:39] [INFO ] Added : 9 causal constraints over 3 iterations in 27 ms. Result :sat
Minimization took 17 ms.
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-26 02:15:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Nat]Added 6 Read/Feed constraints in 18 ms returned sat
[2026-05-26 02:15:39] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 02:15:39] [INFO ] Added : 12 causal constraints over 3 iterations in 26 ms. Result :sat
Minimization took 16 ms.
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-26 02:15:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Nat]Added 6 Read/Feed constraints in 16 ms returned sat
[2026-05-26 02:15:39] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:15:39] [INFO ] Added : 13 causal constraints over 3 iterations in 52 ms. Result :sat
Minimization took 16 ms.
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:39] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Nat]Added 6 Read/Feed constraints in 16 ms returned sat
[2026-05-26 02:15:39] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 02:15:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 26 ms
[2026-05-26 02:15:39] [INFO ] Added : 15 causal constraints over 4 iterations in 74 ms. Result :sat
Minimization took 12 ms.
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:39] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2026-05-26 02:15:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:40] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:40] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-26 02:15:40] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-26 02:15:40] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:15:40] [INFO ] Added : 17 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 16 ms.
[2026-05-26 02:15:40] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:15:40] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-26 02:15:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:15:40] [INFO ] [Nat]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:15:40] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2026-05-26 02:15:40] [INFO ] [Nat]Added 6 Read/Feed constraints in 27 ms returned sat
[2026-05-26 02:15:40] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:15:40] [INFO ] Added : 11 causal constraints over 4 iterations in 104 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[501, 500, 500, 502, 500, 500] Max Struct:[502, 502, 502, 503, 502, 502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[501, 500, 500, 502, 500, 500] Max Struct:[502, 502, 502, 503, 502, 502]
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 30/30 places, 48/48 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
[2026-05-26 02:15:42] [INFO ] Invariant cache hit.
[2026-05-26 02:15:42] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-26 02:15:42] [INFO ] Invariant cache hit.
[2026-05-26 02:15:42] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:15:42] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2026-05-26 02:15:42] [INFO ] Redundant transitions in 1 ms returned []
Running 36 sub problems to find dead transitions.
[2026-05-26 02:15:42] [INFO ] Invariant cache hit.
[2026-05-26 02:15:42] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 6/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 48/78 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (OVERLAPS) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 42 constraints, problems are : Problem set: 0 solved, 36 unsolved in 902 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 6/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 48/78 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 36/78 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (OVERLAPS) 0/78 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 78 constraints, problems are : Problem set: 0 solved, 36 unsolved in 1582 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2493ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 2494ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2567 ms. Remains : 30/30 places, 48/48 transitions.
[2026-05-26 02:15:44] [INFO ] Flatten gal took : 7 ms
RANDOM walk for 40305 steps (8 resets) in 42 ms. (937 steps per ms) remains 12/12 properties
[2026-05-26 02:15:44] [INFO ] Flatten gal took : 14 ms
[2026-05-26 02:15:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7639310501543436418.gal : 2 ms
[2026-05-26 02:15:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9855244025453382510.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7639310501543436418.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9855244025453382510.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 12/12 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9855244025453382510.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 53 ms. (740 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :851 after 3104
Interrupted probabilistic random walk after 323788 steps, run timeout after 3001 ms. (steps per millisecond=107 ) properties seen :0 out of 12
Probabilistic random walk after 323788 steps, saw 276297 distinct states, run finished after 3001 ms. (steps per millisecond=107 ) properties seen :0
[2026-05-26 02:15:48] [INFO ] Invariant cache hit.
[2026-05-26 02:15:48] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 48/78 variables, 30/38 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/44 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :3104 after 11747
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 45 constraints, problems are : Problem set: 0 solved, 12 unsolved in 502 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 48/78 variables, 30/41 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 6/47 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/78 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 59 constraints, problems are : Problem set: 0 solved, 12 unsolved in 3879 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4385ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 7 different solutions.
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :11747 after 45400
Parikh walk visited 0 properties in 35740 ms.
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 30/30 places, 48/48 transitions.
RANDOM walk for 40081 steps (8 resets) in 28 ms. (1382 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 163490 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :0 out of 12
Probabilistic random walk after 163490 steps, saw 140785 distinct states, run finished after 3005 ms. (steps per millisecond=54 ) properties seen :0
[2026-05-26 02:16:31] [INFO ] Invariant cache hit.
[2026-05-26 02:16:31] [INFO ] State equation strengthened by 6 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 48/78 variables, 30/38 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/44 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 45 constraints, problems are : Problem set: 0 solved, 12 unsolved in 433 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/30 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 48/78 variables, 30/41 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 6/47 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 12/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Detected timeout of ITS tools.
[2026-05-26 02:16:34] [INFO ] Flatten gal took : 8 ms
[2026-05-26 02:16:34] [INFO ] Applying decomposition
[2026-05-26 02:16:34] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph10351211508860646280.txt' '-o' '/tmp/graph10351211508860646280.bin' '-w' '/tmp/graph10351211508860646280.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10351211508860646280.bin' '-l' '-1' '-v' '-w' '/tmp/graph10351211508860646280.weights' '-q' '0' '-e' '0.001'
[2026-05-26 02:16:34] [INFO ] Decomposing Gal with order
[2026-05-26 02:16:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 02:16:34] [INFO ] Flatten gal took : 4 ms
[2026-05-26 02:16:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 02:16:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6434944532905063817.gal : 1 ms
[2026-05-26 02:16:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4854818056270598487.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6434944532905063817.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4854818056270598487.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality4854818056270598487.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :246 after 851
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :851 after 3104
At refinement iteration 9 (OVERLAPS) 0/78 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 59 constraints, problems are : Problem set: 0 solved, 12 unsolved in 4190 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4627ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 7 different solutions.
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :3104 after 11747
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :11747 after 45400
Parikh walk visited 0 properties in 31314 ms.
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 3 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 30/30 places, 48/48 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
[2026-05-26 02:17:07] [INFO ] Invariant cache hit.
[2026-05-26 02:17:07] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-26 02:17:07] [INFO ] Invariant cache hit.
[2026-05-26 02:17:07] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:17:07] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
[2026-05-26 02:17:07] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 87 ms. Remains : 30/30 places, 48/48 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Starting property specific reduction for JoinFreeModules-PT-0500-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[502]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[502]
[2026-05-26 02:17:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[502]
RANDOM walk for 10326 steps (2 resets) in 5 ms. (1721 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[501] Max Struct:[502]
[2026-05-26 02:17:07] [INFO ] Invariant cache hit.
[2026-05-26 02:17:07] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:17:07] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2026-05-26 02:17:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:17:07] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:17:07] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2026-05-26 02:17:07] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:17:07] [INFO ] [Nat]Added 6 Read/Feed constraints in 8 ms returned sat
[2026-05-26 02:17:07] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 02:17:07] [INFO ] Added : 9 causal constraints over 3 iterations in 25 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[501] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[501] Max Struct:[502]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Graph (complete) has 72 edges and 30 vertex of which 5 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.1 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /30 variables (removed 25) and now considering 8/48 (removed 40) transitions.
Running 6 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13646277272534801332.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18344937373839413658.kers'
[2026-05-26 02:17:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13646277272534801332.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18344937373839413658.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 02:17:07] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18344937373839413658.kers
Total runtime 1 ms.
[2026-05-26 02:17:07] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 211ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 211ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 212 ms. Remains : 5/30 places, 8/48 transitions.
[2026-05-26 02:17:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[501] Max Struct:[502]
RANDOM walk for 1000044 steps (2 resets) in 175 ms. (5682 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 340 ms. (2932 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[501] Max Struct:[502]
[2026-05-26 02:17:08] [INFO ] Invariant cache hit.
[2026-05-26 02:17:08] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-26 02:17:08] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-26 02:17:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:17:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:17:08] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 02:17:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:17:08] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 02:17:08] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 02:17:08] [INFO ] Added : 6 causal constraints over 3 iterations in 12 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[501] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[501] Max Struct:[502]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:17:08] [INFO ] Invariant cache hit.
[2026-05-26 02:17:08] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 02:17:08] [INFO ] Invariant cache hit.
[2026-05-26 02:17:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:17:08] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2026-05-26 02:17:08] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 02:17:08] [INFO ] Flatten gal took : 2 ms
[2026-05-26 02:17:08] [INFO ] Flatten gal took : 3 ms
[2026-05-26 02:17:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality240792420862148062.gal : 1 ms
[2026-05-26 02:17:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5083432352669968191.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality240792420862148062.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5083432352669968191.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40186 steps (8 resets) in 25 ms. (1545 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality5083432352669968191.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 66 ms. (597 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 1093121 steps, run timeout after 3001 ms. (steps per millisecond=364 ) properties seen :0 out of 2
Probabilistic random walk after 1093121 steps, saw 424830 distinct states, run finished after 3001 ms. (steps per millisecond=364 ) properties seen :0
[2026-05-26 02:17:11] [INFO ] Invariant cache hit.
[2026-05-26 02:17:11] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 95ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 393 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40100 steps (8 resets) in 13 ms. (2864 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 18 ms. (2105 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 877678 steps, run timeout after 3001 ms. (steps per millisecond=292 ) properties seen :0 out of 2
Probabilistic random walk after 877678 steps, saw 345664 distinct states, run finished after 3001 ms. (steps per millisecond=292 ) properties seen :0
[2026-05-26 02:17:15] [INFO ] Invariant cache hit.
[2026-05-26 02:17:15] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 2 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 98ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 294 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:17:15] [INFO ] Invariant cache hit.
[2026-05-26 02:17:15] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 02:17:15] [INFO ] Invariant cache hit.
[2026-05-26 02:17:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:17:15] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2026-05-26 02:17:15] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 02:17:15] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:17:15] [INFO ] Applying decomposition
[2026-05-26 02:17:15] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph11369379413339713586.txt' '-o' '/tmp/graph11369379413339713586.bin' '-w' '/tmp/graph11369379413339713586.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11369379413339713586.bin' '-l' '-1' '-v' '-w' '/tmp/graph11369379413339713586.weights' '-q' '0' '-e' '0.001'
[2026-05-26 02:17:15] [INFO ] Decomposing Gal with order
[2026-05-26 02:17:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 02:17:15] [INFO ] Flatten gal took : 64 ms
[2026-05-26 02:17:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-26 02:17:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3096462752416820250.gal : 1 ms
[2026-05-26 02:17:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7310489331103857775.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3096462752416820250.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7310489331103857775.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality7310489331103857775.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :9469 after 18384
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :38113 after 96567
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :96567 after 100546
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :100546 after 170492
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :170492 after 182280
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :182280 after 287006
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :287006 after 456834
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :642203 after 943140
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :1.36416e+06 after 1.80812e+06
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-0500-UpperBounds-01 in 58536 ms.
Starting property specific reduction for JoinFreeModules-PT-0500-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[500] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (Before main loop) : Max Seen:[500] Max Struct:[502]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10749006348461979373.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14521934759343572877.kers'
[2026-05-26 02:18:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10749006348461979373.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14521934759343572877.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 30 cols 120 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-26 02:18:05] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14521934759343572877.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[500] Max Struct:[502]
RANDOM walk for 10035 steps (2 resets) in 5 ms. (1672 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[500] Max Struct:[502]
[2026-05-26 02:18:05] [INFO ] Invariant cache hit.
[2026-05-26 02:18:06] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:18:06] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-26 02:18:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:18:06] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:18:06] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-26 02:18:06] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:18:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 16 ms returned sat
[2026-05-26 02:18:06] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:18:06] [INFO ] Added : 12 causal constraints over 3 iterations in 24 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[500] Max Struct:[502]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Graph (complete) has 72 edges and 30 vertex of which 5 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.1 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /30 variables (removed 25) and now considering 8/48 (removed 40) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 5/30 places, 8/48 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11362672477882783712.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15572219372096277548.kers'
[2026-05-26 02:18:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11362672477882783712.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15572219372096277548.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 02:18:06] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15572219372096277548.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[500] Max Struct:[502]
RANDOM walk for 1000022 steps (2 resets) in 136 ms. (7299 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 182 ms. (5464 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[500] Max Struct:[502]
[2026-05-26 02:18:06] [INFO ] Invariant cache hit.
[2026-05-26 02:18:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:18:06] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 02:18:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:18:06] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 02:18:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:18:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:18:06] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 02:18:06] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 02:18:06] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 02:18:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 21 ms
[2026-05-26 02:18:06] [INFO ] Added : 5 causal constraints over 2 iterations in 30 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[500] Max Struct:[502]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:18:06] [INFO ] Invariant cache hit.
[2026-05-26 02:18:06] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 02:18:06] [INFO ] Invariant cache hit.
[2026-05-26 02:18:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:18:06] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 02:18:06] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 02:18:06] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:18:06] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:18:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2993596047777576540.gal : 0 ms
[2026-05-26 02:18:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5700957228663152429.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2993596047777576540.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5700957228663152429.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40411 steps (8 resets) in 15 ms. (2525 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5700957228663152429.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 946476 steps, run timeout after 3001 ms. (steps per millisecond=315 ) properties seen :0 out of 2
Probabilistic random walk after 946476 steps, saw 370634 distinct states, run finished after 3001 ms. (steps per millisecond=315 ) properties seen :0
[2026-05-26 02:18:09] [INFO ] Invariant cache hit.
[2026-05-26 02:18:09] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 139ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40503 steps (8 resets) in 10 ms. (3682 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 17 ms. (2222 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 866776 steps, run timeout after 3001 ms. (steps per millisecond=288 ) properties seen :0 out of 2
Probabilistic random walk after 866776 steps, saw 341655 distinct states, run finished after 3001 ms. (steps per millisecond=288 ) properties seen :0
[2026-05-26 02:18:13] [INFO ] Invariant cache hit.
[2026-05-26 02:18:13] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 141ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:18:13] [INFO ] Invariant cache hit.
[2026-05-26 02:18:13] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-26 02:18:13] [INFO ] Invariant cache hit.
[2026-05-26 02:18:13] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:18:13] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-26 02:18:13] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 02:18:13] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:18:13] [INFO ] Applying decomposition
[2026-05-26 02:18:13] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1415385201779081318.txt' '-o' '/tmp/graph1415385201779081318.bin' '-w' '/tmp/graph1415385201779081318.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1415385201779081318.bin' '-l' '-1' '-v' '-w' '/tmp/graph1415385201779081318.weights' '-q' '0' '-e' '0.001'
[2026-05-26 02:18:13] [INFO ] Decomposing Gal with order
[2026-05-26 02:18:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 02:18:13] [INFO ] Flatten gal took : 2 ms
[2026-05-26 02:18:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2026-05-26 02:18:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7334831784324545710.gal : 1 ms
[2026-05-26 02:18:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16009340665021891048.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7334831784324545710.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16009340665021891048.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16009340665021891048.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :9469 after 18373
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :38113 after 96632
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :96632 after 100569
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :100569 after 170458
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :170458 after 182271
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :182271 after 286964
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :286964 after 456754
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :642217 after 943064
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :1.80815e+06 after 2.36332e+06
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-0500-UpperBounds-02 in 57403 ms.
Starting property specific reduction for JoinFreeModules-PT-0500-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[500] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (Before main loop) : Max Seen:[500] Max Struct:[502]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14017716601782329595.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4310465723787943565.kers'
[2026-05-26 02:19:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14017716601782329595.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4310465723787943565.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 30 cols 120 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-26 02:19:03] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4310465723787943565.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[500] Max Struct:[502]
RANDOM walk for 10002 steps (2 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[500] Max Struct:[502]
[2026-05-26 02:19:03] [INFO ] Invariant cache hit.
[2026-05-26 02:19:03] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:19:03] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2026-05-26 02:19:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:19:03] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:19:03] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2026-05-26 02:19:03] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:19:03] [INFO ] [Nat]Added 6 Read/Feed constraints in 16 ms returned sat
[2026-05-26 02:19:03] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:19:03] [INFO ] Added : 13 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[500] Max Struct:[502]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Graph (complete) has 72 edges and 30 vertex of which 5 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.1 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /30 variables (removed 25) and now considering 8/48 (removed 40) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 5/30 places, 8/48 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-480930573392562460.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10257293476709583420.kers'
[2026-05-26 02:19:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-480930573392562460.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10257293476709583420.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 02:19:03] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10257293476709583420.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[500] Max Struct:[502]
RANDOM walk for 1000061 steps (2 resets) in 136 ms. (7299 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 177 ms. (5617 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[500] Max Struct:[502]
[2026-05-26 02:19:04] [INFO ] Invariant cache hit.
[2026-05-26 02:19:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:19:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-26 02:19:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:19:04] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 02:19:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:19:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:19:04] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-26 02:19:04] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-26 02:19:04] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-26 02:19:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 24 ms
[2026-05-26 02:19:04] [INFO ] Added : 5 causal constraints over 2 iterations in 34 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[500] Max Struct:[502]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:19:04] [INFO ] Invariant cache hit.
[2026-05-26 02:19:04] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 02:19:04] [INFO ] Invariant cache hit.
[2026-05-26 02:19:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:19:04] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2026-05-26 02:19:04] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 02:19:04] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:19:04] [INFO ] Flatten gal took : 0 ms
[2026-05-26 02:19:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11176278279748948827.gal : 1 ms
RANDOM walk for 40196 steps (8 resets) in 13 ms. (2871 steps per ms) remains 2/2 properties
[2026-05-26 02:19:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11681506251307087851.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11176278279748948827.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11681506251307087851.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11681506251307087851.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 981872 steps, run timeout after 3001 ms. (steps per millisecond=327 ) properties seen :0 out of 2
Probabilistic random walk after 981872 steps, saw 383476 distinct states, run finished after 3001 ms. (steps per millisecond=327 ) properties seen :0
[2026-05-26 02:19:07] [INFO ] Invariant cache hit.
[2026-05-26 02:19:07] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 135ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40212 steps (8 resets) in 12 ms. (3093 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 943275 steps, run timeout after 3001 ms. (steps per millisecond=314 ) properties seen :0 out of 2
Probabilistic random walk after 943275 steps, saw 369537 distinct states, run finished after 3003 ms. (steps per millisecond=314 ) properties seen :0
[2026-05-26 02:19:10] [INFO ] Invariant cache hit.
[2026-05-26 02:19:10] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 135ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:19:10] [INFO ] Invariant cache hit.
[2026-05-26 02:19:10] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-26 02:19:10] [INFO ] Invariant cache hit.
[2026-05-26 02:19:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:19:10] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2026-05-26 02:19:10] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 02:19:10] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:19:10] [INFO ] Applying decomposition
[2026-05-26 02:19:10] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8323636295985427426.txt' '-o' '/tmp/graph8323636295985427426.bin' '-w' '/tmp/graph8323636295985427426.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8323636295985427426.bin' '-l' '-1' '-v' '-w' '/tmp/graph8323636295985427426.weights' '-q' '0' '-e' '0.001'
[2026-05-26 02:19:10] [INFO ] Decomposing Gal with order
[2026-05-26 02:19:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 02:19:10] [INFO ] Flatten gal took : 2 ms
[2026-05-26 02:19:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 02:19:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5789643007102579700.gal : 0 ms
[2026-05-26 02:19:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8479625632128402913.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5789643007102579700.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8479625632128402913.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality8479625632128402913.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :9469 after 18373
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :40572 after 100023
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :100023 after 103504
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :103504 after 173905
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :173905 after 184723
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :184723 after 292314
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :292314 after 461080
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :643542 after 953194
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :1.37318e+06 after 1.81664e+06
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-0500-UpperBounds-10 in 57420 ms.
Starting property specific reduction for JoinFreeModules-PT-0500-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:[503]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[503]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3268798815103959145.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9302935540454565313.kers'
[2026-05-26 02:20:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3268798815103959145.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9302935540454565313.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 30 cols 120 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-26 02:20:00] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9302935540454565313.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[503]
RANDOM walk for 10013 steps (2 resets) in 5 ms. (1668 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[498] Max Struct:[503]
[2026-05-26 02:20:00] [INFO ] Invariant cache hit.
[2026-05-26 02:20:00] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:20:00] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-26 02:20:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:20:00] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:20:00] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-26 02:20:00] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:20:00] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-26 02:20:00] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-26 02:20:00] [INFO ] Added : 22 causal constraints over 5 iterations in 50 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[498] Max Struct:[503]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[502] Max Struct:[503]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Graph (complete) has 72 edges and 30 vertex of which 5 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.0 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /30 variables (removed 25) and now considering 8/48 (removed 40) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/30 places, 8/48 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13293256971772504137.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6102446904730165005.kers'
[2026-05-26 02:20:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13293256971772504137.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6102446904730165005.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 02:20:01] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6102446904730165005.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[502] Max Struct:[503]
RANDOM walk for 1000262 steps (2 resets) in 142 ms. (6994 steps per ms)
FORMULA JoinFreeModules-PT-0500-UpperBounds-11 503 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 202 ms. (4926 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
Ending property specific reduction for JoinFreeModules-PT-0500-UpperBounds-11 in 849 ms.
Starting property specific reduction for JoinFreeModules-PT-0500-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[500] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (Before main loop) : Max Seen:[500] Max Struct:[502]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14973007105716917066.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9708096354330023276.kers'
[2026-05-26 02:20:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14973007105716917066.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9708096354330023276.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 30 cols 120 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-26 02:20:01] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9708096354330023276.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[500] Max Struct:[502]
RANDOM walk for 10163 steps (2 resets) in 5 ms. (1693 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[500] Max Struct:[502]
[2026-05-26 02:20:01] [INFO ] Invariant cache hit.
[2026-05-26 02:20:01] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:20:01] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2026-05-26 02:20:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:20:01] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:20:01] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-26 02:20:01] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:20:01] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-26 02:20:01] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-26 02:20:01] [INFO ] Added : 17 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 16 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[500] Max Struct:[502]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Graph (complete) has 72 edges and 30 vertex of which 5 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.0 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Applied a total of 1 rules in 0 ms. Remains 5 /30 variables (removed 25) and now considering 8/48 (removed 40) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/30 places, 8/48 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16288419998799516340.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1201295685985420764.kers'
[2026-05-26 02:20:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16288419998799516340.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1201295685985420764.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 02:20:02] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1201295685985420764.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[500] Max Struct:[502]
RANDOM walk for 1000023 steps (2 resets) in 136 ms. (7299 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 177 ms. (5617 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[500] Max Struct:[502]
[2026-05-26 02:20:02] [INFO ] Invariant cache hit.
[2026-05-26 02:20:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:20:02] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-26 02:20:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:20:02] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 02:20:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:20:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:20:02] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-26 02:20:02] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 02:20:02] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-26 02:20:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 22 ms
[2026-05-26 02:20:02] [INFO ] Added : 5 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[500] Max Struct:[502]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:20:02] [INFO ] Invariant cache hit.
[2026-05-26 02:20:02] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 02:20:02] [INFO ] Invariant cache hit.
[2026-05-26 02:20:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:20:02] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2026-05-26 02:20:02] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 02:20:02] [INFO ] Flatten gal took : 2 ms
[2026-05-26 02:20:02] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:20:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17304293756014913895.gal : 0 ms
[2026-05-26 02:20:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5963086933440629912.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17304293756014913895.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5963086933440629912.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40209 steps (8 resets) in 13 ms. (2872 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5963086933440629912.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 814766 steps, run timeout after 3001 ms. (steps per millisecond=271 ) properties seen :0 out of 2
Probabilistic random walk after 814766 steps, saw 323165 distinct states, run finished after 3002 ms. (steps per millisecond=271 ) properties seen :0
[2026-05-26 02:20:05] [INFO ] Invariant cache hit.
[2026-05-26 02:20:05] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 124ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40234 steps (8 resets) in 12 ms. (3094 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 834969 steps, run timeout after 3001 ms. (steps per millisecond=278 ) properties seen :0 out of 2
Probabilistic random walk after 834969 steps, saw 330078 distinct states, run finished after 3004 ms. (steps per millisecond=277 ) properties seen :0
[2026-05-26 02:20:08] [INFO ] Invariant cache hit.
[2026-05-26 02:20:08] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 124ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:20:08] [INFO ] Invariant cache hit.
[2026-05-26 02:20:08] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-26 02:20:08] [INFO ] Invariant cache hit.
[2026-05-26 02:20:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:20:08] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2026-05-26 02:20:08] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 02:20:08] [INFO ] Flatten gal took : 0 ms
[2026-05-26 02:20:08] [INFO ] Applying decomposition
[2026-05-26 02:20:08] [INFO ] Flatten gal took : 0 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph11724541978454023902.txt' '-o' '/tmp/graph11724541978454023902.bin' '-w' '/tmp/graph11724541978454023902.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11724541978454023902.bin' '-l' '-1' '-v' '-w' '/tmp/graph11724541978454023902.weights' '-q' '0' '-e' '0.001'
[2026-05-26 02:20:08] [INFO ] Decomposing Gal with order
[2026-05-26 02:20:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 02:20:08] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:20:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 02:20:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4327686796699121653.gal : 1 ms
[2026-05-26 02:20:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7804207631337612423.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4327686796699121653.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7804207631337612423.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality7804207631337612423.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :9469 after 18384
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :38107 after 97521
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :97521 after 101964
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :101964 after 172469
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :172469 after 183258
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :183258 after 286994
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :286994 after 456825
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :456825 after 642141
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :1.36409e+06 after 1.80802e+06
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-0500-UpperBounds-14 in 57385 ms.
Starting property specific reduction for JoinFreeModules-PT-0500-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[500] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (Before main loop) : Max Seen:[500] Max Struct:[502]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14621306839497759914.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13505570003533644342.kers'
[2026-05-26 02:20:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14621306839497759914.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13505570003533644342.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 48 rows 30 cols 120 entries
Finished phase 1 with 24 SingleSign rule and 0 generalized
[2026-05-26 02:20:59] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13505570003533644342.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[500] Max Struct:[502]
RANDOM walk for 10071 steps (2 resets) in 5 ms. (1678 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[500] Max Struct:[502]
[2026-05-26 02:20:59] [INFO ] Invariant cache hit.
[2026-05-26 02:20:59] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-26 02:20:59] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-26 02:20:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:20:59] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 02:20:59] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-26 02:20:59] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-26 02:20:59] [INFO ] [Nat]Added 6 Read/Feed constraints in 26 ms returned sat
[2026-05-26 02:20:59] [INFO ] Computed and/alt/rep : 36/90/36 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-26 02:20:59] [INFO ] Added : 11 causal constraints over 4 iterations in 97 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[500] Max Struct:[502]
Support contains 1 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Graph (complete) has 72 edges and 30 vertex of which 5 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.0 ms
Discarding 25 places :
Also discarding 40 output transitions
Drop transitions (Output transitions of discarded places.) removed 40 transitions
Applied a total of 1 rules in 2 ms. Remains 5 /30 variables (removed 25) and now considering 8/48 (removed 40) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 5/30 places, 8/48 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7835243737433364854.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5615507235481003252.kers'
[2026-05-26 02:20:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7835243737433364854.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5615507235481003252.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 8 rows 5 cols 20 entries
Finished phase 1 with 4 SingleSign rule and 0 generalized
[2026-05-26 02:20:59] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5615507235481003252.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[500] Max Struct:[502]
RANDOM walk for 1000141 steps (2 resets) in 137 ms. (7247 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 178 ms. (5586 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[500] Max Struct:[502]
[2026-05-26 02:20:59] [INFO ] Invariant cache hit.
[2026-05-26 02:20:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:20:59] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-26 02:20:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:20:59] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 02:20:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 02:20:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-26 02:20:59] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-26 02:20:59] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-26 02:20:59] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-26 02:20:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 22 ms
[2026-05-26 02:20:59] [INFO ] Added : 5 causal constraints over 2 iterations in 30 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[500] Max Struct:[502]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[500] Max Struct:[502]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:20:59] [INFO ] Invariant cache hit.
[2026-05-26 02:20:59] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-26 02:20:59] [INFO ] Invariant cache hit.
[2026-05-26 02:20:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:20:59] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2026-05-26 02:20:59] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-26 02:20:59] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:20:59] [INFO ] Flatten gal took : 1 ms
[2026-05-26 02:20:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4272227554940553456.gal : 1 ms
[2026-05-26 02:20:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17785362839745536493.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4272227554940553456.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17785362839745536493.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40398 steps (8 resets) in 11 ms. (3366 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17785362839745536493.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
BEST_FIRST walk for 40004 steps (8 resets) in 16 ms. (2353 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 960520 steps, run timeout after 3001 ms. (steps per millisecond=320 ) properties seen :0 out of 2
Probabilistic random walk after 960520 steps, saw 375853 distinct states, run finished after 3001 ms. (steps per millisecond=320 ) properties seen :0
[2026-05-26 02:21:03] [INFO ] Invariant cache hit.
[2026-05-26 02:21:03] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 131ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40236 steps (8 resets) in 10 ms. (3657 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 827802 steps, run timeout after 3001 ms. (steps per millisecond=275 ) properties seen :0 out of 2
Probabilistic random walk after 827802 steps, saw 327454 distinct states, run finished after 3001 ms. (steps per millisecond=275 ) properties seen :0
[2026-05-26 02:21:06] [INFO ] Invariant cache hit.
[2026-05-26 02:21:06] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 2 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 141ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 26 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2026-05-26 02:21:06] [INFO ] Invariant cache hit.
[2026-05-26 02:21:06] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-26 02:21:06] [INFO ] Invariant cache hit.
[2026-05-26 02:21:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-26 02:21:06] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2026-05-26 02:21:06] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 02:21:06] [INFO ] Flatten gal took : 0 ms
[2026-05-26 02:21:06] [INFO ] Applying decomposition
[2026-05-26 02:21:06] [INFO ] Flatten gal took : 0 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph15632193264324823480.txt' '-o' '/tmp/graph15632193264324823480.bin' '-w' '/tmp/graph15632193264324823480.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15632193264324823480.bin' '-l' '-1' '-v' '-w' '/tmp/graph15632193264324823480.weights' '-q' '0' '-e' '0.001'
[2026-05-26 02:21:06] [INFO ] Decomposing Gal with order
[2026-05-26 02:21:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 02:21:06] [INFO ] Flatten gal took : 2 ms
[2026-05-26 02:21:06] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 02:21:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality918931541259964362.gal : 0 ms
[2026-05-26 02:21:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7675256599213645458.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality918931541259964362.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7675256599213645458.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality7675256599213645458.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :20358 after 46993
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :6.23664e+07 after 6.2367e+07
Detected timeout of ITS tools.
Ending property specific reduction for JoinFreeModules-PT-0500-UpperBounds-15 in 57420 ms.
[2026-05-26 02:21:56] [INFO ] Flatten gal took : 3 ms
[2026-05-26 02:21:56] [INFO ] Applying decomposition
[2026-05-26 02:21:56] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph16914597567610759945.txt' '-o' '/tmp/graph16914597567610759945.bin' '-w' '/tmp/graph16914597567610759945.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph16914597567610759945.bin' '-l' '-1' '-v' '-w' '/tmp/graph16914597567610759945.weights' '-q' '0' '-e' '0.001'
[2026-05-26 02:21:56] [INFO ] Decomposing Gal with order
[2026-05-26 02:21:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 02:21:56] [INFO ] Flatten gal took : 3 ms
[2026-05-26 02:21:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-26 02:21:56] [INFO ] Time to serialize gal into /tmp/UpperBounds14435362358835832208.gal : 0 ms
[2026-05-26 02:21:56] [INFO ] Time to serialize properties into /tmp/UpperBounds11761423653880062011.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds14435362358835832208.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds11761423653880062011.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...285
Loading property file /tmp/UpperBounds11761423653880062011.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,4.05511e+56,174.734,1138576,8,3519,22,2.01088e+06,29,0,57,2.38547e+06,0
Total reachable state count : 4.055112278772418333831041961986100929374e+56

Verifying 5 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 501
Bounds property JoinFreeModules-PT-0500-UpperBounds-01 :0 <= u2.p702 <= 501
FORMULA JoinFreeModules-PT-0500-UpperBounds-01 501 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-0500-UpperBounds-01,0,177.989,1138576,1,0,39,2.01088e+06,65,7,576,2.38547e+06,53
Min sum of variable value : 0
Maximum sum along a path : 500
Bounds property JoinFreeModules-PT-0500-UpperBounds-02 :0 <= u1.p593 <= 500
FORMULA JoinFreeModules-PT-0500-UpperBounds-02 500 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-0500-UpperBounds-02,0,179.545,1138576,1,0,47,2.01088e+06,78,7,1084,2.38547e+06,66
Min sum of variable value : 0
Maximum sum along a path : 500
Bounds property JoinFreeModules-PT-0500-UpperBounds-10 :0 <= u3.p848 <= 500
FORMULA JoinFreeModules-PT-0500-UpperBounds-10 500 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-0500-UpperBounds-10,0,179.545,1138576,1,0,51,2.01088e+06,90,7,1084,2.38547e+06,75
Min sum of variable value : 0
Maximum sum along a path : 500
Bounds property JoinFreeModules-PT-0500-UpperBounds-14 :0 <= u5.p1598 <= 500
FORMULA JoinFreeModules-PT-0500-UpperBounds-14 500 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-0500-UpperBounds-14,0,179.546,1138576,1,0,53,2.01088e+06,103,7,1084,2.38547e+06,82
Min sum of variable value : 0
Maximum sum along a path : 500
Bounds property JoinFreeModules-PT-0500-UpperBounds-15 :0 <= u4.p1388 <= 500
FORMULA JoinFreeModules-PT-0500-UpperBounds-15 500 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-0500-UpperBounds-15,0,179.546,1138576,1,0,56,2.01088e+06,115,7,1084,2.38547e+06,87
Total runtime 972332 ms.

BK_STOP 1779762296508

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="JoinFreeModules-PT-0500"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is JoinFreeModules-PT-0500, 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 r162-smll-177961107700205"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0500.tgz
mv JoinFreeModules-PT-0500 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 ;