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.r143-smll-177955812400038.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 gold2025
Input is FireWire-PT-20, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r143-smll-177955812400038
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 648K
-rw-r--r-- 1 mcc users 7.5K Mar 7 05:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 7 05:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Mar 7 05:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 7 05:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Mar 7 05:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 05:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 7 05:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 247K 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 FireWire-PT-20-UpperBounds-00
FORMULA_NAME FireWire-PT-20-UpperBounds-01
FORMULA_NAME FireWire-PT-20-UpperBounds-02
FORMULA_NAME FireWire-PT-20-UpperBounds-03
FORMULA_NAME FireWire-PT-20-UpperBounds-04
FORMULA_NAME FireWire-PT-20-UpperBounds-05
FORMULA_NAME FireWire-PT-20-UpperBounds-06
FORMULA_NAME FireWire-PT-20-UpperBounds-07
FORMULA_NAME FireWire-PT-20-UpperBounds-08
FORMULA_NAME FireWire-PT-20-UpperBounds-09
FORMULA_NAME FireWire-PT-20-UpperBounds-10
FORMULA_NAME FireWire-PT-20-UpperBounds-11
FORMULA_NAME FireWire-PT-20-UpperBounds-12
FORMULA_NAME FireWire-PT-20-UpperBounds-13
FORMULA_NAME FireWire-PT-20-UpperBounds-14
FORMULA_NAME FireWire-PT-20-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779626325975

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 12:38:48] [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]
[2026-05-24 12:38:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:38:49] [INFO ] Load time of PNML (sax parser for PT used): 275 ms
[2026-05-24 12:38:49] [INFO ] Transformed 626 places.
[2026-05-24 12:38:49] [INFO ] Transformed 1031 transitions.
[2026-05-24 12:38:49] [INFO ] Found NUPN structural information;
[2026-05-24 12:38:49] [INFO ] Parsed PT model containing 626 places and 1031 transitions and 3196 arcs in 548 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 17 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 1031 rows 626 cols
[2026-05-24 12:38:49] [INFO ] Computed 13 invariants in 94 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (6 resets) in 88 ms. (112 steps per ms)
FORMULA FireWire-PT-20-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-20-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-20-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-20-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-20-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110002 steps (60 resets) in 443 ms. (247 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-24 12:38:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:38:50] [INFO ] [Real]Absence check using 13 positive place invariants in 41 ms returned sat
[2026-05-24 12:38:51] [INFO ] [Real]Absence check using state equation in 947 ms returned sat
[2026-05-24 12:38:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:38:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 40 ms returned sat
[2026-05-24 12:38:53] [INFO ] [Nat]Absence check using state equation in 762 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:38:54] [INFO ] Deduced a trap composed of 65 places in 854 ms of which 137 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:38:55] [INFO ] Deduced a trap composed of 116 places in 1029 ms of which 213 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:38:56] [INFO ] Deduced a trap composed of 118 places in 881 ms of which 159 ms to minimize.
[2026-05-24 12:38:56] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 3099 ms
[2026-05-24 12:38:56] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 161 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:38:57] [INFO ] [Real]Absence check using 13 positive place invariants in 37 ms returned sat
[2026-05-24 12:38:57] [INFO ] [Real]Absence check using state equation in 606 ms returned sat
[2026-05-24 12:38:58] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 94 ms.
[2026-05-24 12:38:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:38:58] [INFO ] [Nat]Absence check using 13 positive place invariants in 37 ms returned sat
[2026-05-24 12:38:59] [INFO ] [Nat]Absence check using state equation in 646 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:00] [INFO ] Deduced a trap composed of 28 places in 665 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:01] [INFO ] Deduced a trap composed of 118 places in 952 ms of which 216 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:01] [INFO ] Deduced a trap composed of 128 places in 245 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:01] [INFO ] Deduced a trap composed of 128 places in 266 ms of which 30 ms to minimize.
[2026-05-24 12:39:01] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2447 ms
[2026-05-24 12:39:01] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 131 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:03] [INFO ] [Real]Absence check using 13 positive place invariants in 31 ms returned sat
[2026-05-24 12:39:04] [INFO ] [Real]Absence check using state equation in 650 ms returned sat
[2026-05-24 12:39:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:04] [INFO ] [Nat]Absence check using 13 positive place invariants in 25 ms returned sat
[2026-05-24 12:39:05] [INFO ] [Nat]Absence check using state equation in 601 ms returned sat
[2026-05-24 12:39:05] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 101 ms.
[2026-05-24 12:39:09] [INFO ] Added : 170 causal constraints over 34 iterations in 4111 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:09] [INFO ] [Real]Absence check using 13 positive place invariants in 33 ms returned sat
[2026-05-24 12:39:10] [INFO ] [Real]Absence check using state equation in 591 ms returned sat
[2026-05-24 12:39:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:10] [INFO ] [Nat]Absence check using 13 positive place invariants in 21 ms returned sat
[2026-05-24 12:39:11] [INFO ] [Nat]Absence check using state equation in 614 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:12] [INFO ] Deduced a trap composed of 118 places in 1063 ms of which 223 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:13] [INFO ] Deduced a trap composed of 128 places in 1078 ms of which 233 ms to minimize.
[2026-05-24 12:39:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2335 ms
[2026-05-24 12:39:13] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 157 ms.
[2026-05-24 12:39:15] [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 3
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:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:15] [INFO ] [Real]Absence check using 13 positive place invariants in 35 ms returned sat
[2026-05-24 12:39:16] [INFO ] [Real]Absence check using state equation in 626 ms returned sat
[2026-05-24 12:39:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:16] [INFO ] [Nat]Absence check using 13 positive place invariants in 24 ms returned sat
[2026-05-24 12:39:17] [INFO ] [Nat]Absence check using state equation in 494 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:17] [INFO ] Deduced a trap composed of 65 places in 771 ms of which 118 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:18] [INFO ] Deduced a trap composed of 126 places in 223 ms of which 28 ms to minimize.
[2026-05-24 12:39:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1181 ms
[2026-05-24 12:39:18] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 138 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:21] [INFO ] [Real]Absence check using 13 positive place invariants in 34 ms returned sat
[2026-05-24 12:39:22] [INFO ] [Real]Absence check using state equation in 673 ms returned sat
[2026-05-24 12:39:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 24 ms returned sat
[2026-05-24 12:39:23] [INFO ] [Nat]Absence check using state equation in 632 ms returned sat
[2026-05-24 12:39:23] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 136 ms.
[2026-05-24 12:39:27] [INFO ] Added : 155 causal constraints over 31 iterations in 4070 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:27] [INFO ] [Real]Absence check using 13 positive place invariants in 35 ms returned sat
[2026-05-24 12:39:28] [INFO ] [Real]Absence check using state equation in 572 ms returned sat
[2026-05-24 12:39:28] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 77 ms.
[2026-05-24 12:39:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:28] [INFO ] [Nat]Absence check using 13 positive place invariants in 36 ms returned sat
[2026-05-24 12:39:29] [INFO ] [Nat]Absence check using state equation in 528 ms returned sat
[2026-05-24 12:39:29] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 82 ms.
[2026-05-24 12:39:33] [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 6
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:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:33] [INFO ] [Real]Absence check using 13 positive place invariants in 33 ms returned sat
[2026-05-24 12:39:34] [INFO ] [Real]Absence check using state equation in 621 ms returned sat
[2026-05-24 12:39:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:34] [INFO ] [Nat]Absence check using 13 positive place invariants in 35 ms returned sat
[2026-05-24 12:39:35] [INFO ] [Nat]Absence check using state equation in 598 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:36] [INFO ] Deduced a trap composed of 65 places in 802 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:37] [INFO ] Deduced a trap composed of 118 places in 881 ms of which 189 ms to minimize.
[2026-05-24 12:39:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1848 ms
[2026-05-24 12:39:37] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 110 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:39] [INFO ] [Real]Absence check using 13 positive place invariants in 34 ms returned sat
[2026-05-24 12:39:40] [INFO ] [Real]Absence check using state equation in 721 ms returned sat
[2026-05-24 12:39:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:41] [INFO ] [Nat]Absence check using 13 positive place invariants in 32 ms returned sat
[2026-05-24 12:39:41] [INFO ] [Nat]Absence check using state equation in 599 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:42] [INFO ] Deduced a trap composed of 65 places in 873 ms of which 135 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:43] [INFO ] Deduced a trap composed of 65 places in 807 ms of which 91 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:43] [INFO ] Deduced a trap composed of 129 places in 169 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:43] [INFO ] Deduced a trap composed of 115 places in 205 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:44] [INFO ] Deduced a trap composed of 129 places in 173 ms of which 7 ms to minimize.
[2026-05-24 12:39:44] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2573 ms
[2026-05-24 12:39:44] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 113 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:46] [INFO ] [Real]Absence check using 13 positive place invariants in 32 ms returned sat
[2026-05-24 12:39:46] [INFO ] [Real]Absence check using state equation in 568 ms returned sat
[2026-05-24 12:39:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 29 ms returned sat
[2026-05-24 12:39:47] [INFO ] [Nat]Absence check using state equation in 537 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:48] [INFO ] Deduced a trap composed of 65 places in 746 ms of which 137 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:49] [INFO ] Deduced a trap composed of 118 places in 934 ms of which 187 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:39:50] [INFO ] Deduced a trap composed of 163 places in 947 ms of which 209 ms to minimize.
[2026-05-24 12:39:50] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2831 ms
[2026-05-24 12:39:50] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 72 ms.
[2026-05-24 12:39:51] [INFO ] Added : 65 causal constraints over 13 iterations in 1398 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:51] [INFO ] [Real]Absence check using 13 positive place invariants in 35 ms returned sat
[2026-05-24 12:39:52] [INFO ] [Real]Absence check using state equation in 598 ms returned sat
[2026-05-24 12:39:52] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 108 ms.
[2026-05-24 12:39:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:39:53] [INFO ] [Nat]Absence check using 13 positive place invariants in 35 ms returned sat
[2026-05-24 12:39:53] [INFO ] [Nat]Absence check using state equation in 588 ms returned sat
[2026-05-24 12:39:54] [INFO ] Computed and/alt/rep : 839/2158/839 causal constraints (skipped 191 transitions) in 105 ms.
[2026-05-24 12:39:58] [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 10
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:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
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:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA FireWire-PT-20-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FireWire-PT-20-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FireWire-PT-20-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1]
Support contains 8 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 1031/1031 transitions.
Graph (trivial) has 449 edges and 626 vertex of which 12 / 626 are part of one of the 3 SCC in 5 ms
Free SCC test removed 9 places
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Graph (complete) has 1871 edges and 617 vertex of which 602 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.4 ms
Discarding 15 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 122 rules applied. Total rules applied 124 place count 602 transition count 896
Reduce places removed 119 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 121 rules applied. Total rules applied 245 place count 483 transition count 894
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 246 place count 482 transition count 894
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 246 place count 482 transition count 878
Deduced a syphon composed of 16 places in 2 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 278 place count 466 transition count 878
Discarding 88 places :
Symmetric choice reduction at 3 with 88 rule applications. Total rules 366 place count 378 transition count 784
Iterating global reduction 3 with 88 rules applied. Total rules applied 454 place count 378 transition count 784
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 457 place count 378 transition count 781
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 9 Pre rules applied. Total rules applied 457 place count 378 transition count 772
Deduced a syphon composed of 9 places in 3 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 475 place count 369 transition count 772
Discarding 28 places :
Symmetric choice reduction at 4 with 28 rule applications. Total rules 503 place count 341 transition count 645
Iterating global reduction 4 with 28 rules applied. Total rules applied 531 place count 341 transition count 645
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 533 place count 341 transition count 643
Discarding 8 places :
Symmetric choice reduction at 5 with 8 rule applications. Total rules 541 place count 333 transition count 629
Iterating global reduction 5 with 8 rules applied. Total rules applied 549 place count 333 transition count 629
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 5 with 4 rules applied. Total rules applied 553 place count 333 transition count 625
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 555 place count 331 transition count 625
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 558 place count 328 transition count 616
Iterating global reduction 7 with 3 rules applied. Total rules applied 561 place count 328 transition count 616
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 564 place count 325 transition count 610
Iterating global reduction 7 with 3 rules applied. Total rules applied 567 place count 325 transition count 610
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 570 place count 322 transition count 601
Iterating global reduction 7 with 3 rules applied. Total rules applied 573 place count 322 transition count 601
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 576 place count 319 transition count 595
Iterating global reduction 7 with 3 rules applied. Total rules applied 579 place count 319 transition count 595
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 582 place count 316 transition count 586
Iterating global reduction 7 with 3 rules applied. Total rules applied 585 place count 316 transition count 586
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 588 place count 313 transition count 580
Iterating global reduction 7 with 3 rules applied. Total rules applied 591 place count 313 transition count 580
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 594 place count 310 transition count 571
Iterating global reduction 7 with 3 rules applied. Total rules applied 597 place count 310 transition count 571
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 599 place count 308 transition count 567
Iterating global reduction 7 with 2 rules applied. Total rules applied 601 place count 308 transition count 567
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 603 place count 306 transition count 561
Iterating global reduction 7 with 2 rules applied. Total rules applied 605 place count 306 transition count 561
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 607 place count 304 transition count 557
Iterating global reduction 7 with 2 rules applied. Total rules applied 609 place count 304 transition count 557
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 611 place count 302 transition count 553
Iterating global reduction 7 with 2 rules applied. Total rules applied 613 place count 302 transition count 553
Discarding 2 places :
Symmetric choice reduction at 7 with 2 rule applications. Total rules 615 place count 300 transition count 549
Iterating global reduction 7 with 2 rules applied. Total rules applied 617 place count 300 transition count 549
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 46
Deduced a syphon composed of 46 places in 2 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 7 with 92 rules applied. Total rules applied 709 place count 254 transition count 503
Performed 43 Post agglomeration using F-continuation condition with reduction of 9 identical transitions.
Deduced a syphon composed of 43 places in 1 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 7 with 86 rules applied. Total rules applied 795 place count 211 transition count 592
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 7 with 3 rules applied. Total rules applied 798 place count 211 transition count 589
Free-agglomeration rule applied 24 times.
Iterating global reduction 7 with 24 rules applied. Total rules applied 822 place count 211 transition count 565
Reduce places removed 24 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 7 with 32 rules applied. Total rules applied 854 place count 187 transition count 557
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 860 place count 181 transition count 551
Iterating global reduction 8 with 6 rules applied. Total rules applied 866 place count 181 transition count 551
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 8 with 9 rules applied. Total rules applied 875 place count 181 transition count 542
Drop transitions (Redundant composition of simpler transitions.) removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 9 with 23 rules applied. Total rules applied 898 place count 181 transition count 519
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 899 place count 181 transition count 519
Applied a total of 899 rules in 493 ms. Remains 181 /626 variables (removed 445) and now considering 519/1031 (removed 512) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 506 ms. Remains : 181/626 places, 519/1031 transitions.
[2026-05-24 12:39:59] [INFO ] Flow matrix only has 509 transitions (discarded 10 similar events)
// Phase 1: matrix 509 rows 181 cols
[2026-05-24 12:39:59] [INFO ] Computed 10 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (33393 resets) in 3005 ms. (332 steps per ms)
FORMULA FireWire-PT-20-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-20-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-20-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-20-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-20-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3000003 steps (19602 resets) in 2311 ms. (1297 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-24 12:40:05] [INFO ] Flow matrix only has 509 transitions (discarded 10 similar events)
[2026-05-24 12:40:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:05] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-24 12:40:05] [INFO ] [Real]Absence check using state equation in 174 ms returned sat
[2026-05-24 12:40:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:05] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-24 12:40:05] [INFO ] [Nat]Absence check using state equation in 230 ms returned sat
[2026-05-24 12:40:05] [INFO ] State equation strengthened by 93 read => feed constraints.
[2026-05-24 12:40:05] [INFO ] [Nat]Added 93 Read/Feed constraints in 155 ms returned sat
[2026-05-24 12:40:05] [INFO ] Computed and/alt/rep : 155/688/155 causal constraints (skipped 346 transitions) in 65 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:06] [INFO ] Deduced a trap composed of 25 places in 261 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:06] [INFO ] Deduced a trap composed of 38 places in 79 ms of which 5 ms to minimize.
[2026-05-24 12:40:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 458 ms
[2026-05-24 12:40:06] [INFO ] Added : 18 causal constraints over 5 iterations in 965 ms. Result :sat
Minimization took 426 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:07] [INFO ] [Real]Absence check using 10 positive place invariants in 10 ms returned sat
[2026-05-24 12:40:07] [INFO ] [Real]Absence check using state equation in 234 ms returned sat
[2026-05-24 12:40:07] [INFO ] [Real]Added 93 Read/Feed constraints in 27 ms returned sat
[2026-05-24 12:40:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:07] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-24 12:40:07] [INFO ] [Nat]Absence check using state equation in 234 ms returned sat
[2026-05-24 12:40:08] [INFO ] [Nat]Added 93 Read/Feed constraints in 97 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:08] [INFO ] Deduced a trap composed of 17 places in 263 ms of which 26 ms to minimize.
[2026-05-24 12:40:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 315 ms
[2026-05-24 12:40:08] [INFO ] Computed and/alt/rep : 155/688/155 causal constraints (skipped 346 transitions) in 65 ms.
[2026-05-24 12:40:08] [INFO ] Added : 9 causal constraints over 3 iterations in 339 ms. Result :sat
Minimization took 237 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:09] [INFO ] [Real]Absence check using 10 positive place invariants in 7 ms returned sat
[2026-05-24 12:40:09] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2026-05-24 12:40:09] [INFO ] [Real]Added 93 Read/Feed constraints in 58 ms returned sat
[2026-05-24 12:40:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:09] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-24 12:40:09] [INFO ] [Nat]Absence check using state equation in 245 ms returned sat
[2026-05-24 12:40:09] [INFO ] [Nat]Added 93 Read/Feed constraints in 137 ms returned sat
[2026-05-24 12:40:09] [INFO ] Computed and/alt/rep : 155/688/155 causal constraints (skipped 346 transitions) in 68 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:10] [INFO ] Deduced a trap composed of 16 places in 282 ms of which 28 ms to minimize.
[2026-05-24 12:40:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 359 ms
[2026-05-24 12:40:10] [INFO ] Added : 31 causal constraints over 8 iterations in 883 ms. Result :sat
Minimization took 431 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 181 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 181/181 places, 519/519 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 181 transition count 518
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 180 transition count 518
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 3 place count 179 transition count 517
Iterating global reduction 2 with 1 rules applied. Total rules applied 4 place count 179 transition count 517
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 178 transition count 516
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 10 place count 176 transition count 518
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 13 place count 176 transition count 515
Free-agglomeration rule applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 176 transition count 513
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 20 place count 174 transition count 510
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 21 place count 174 transition count 509
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 22 place count 174 transition count 509
Applied a total of 22 rules in 125 ms. Remains 174 /181 variables (removed 7) and now considering 509/519 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 174/181 places, 509/519 transitions.
[2026-05-24 12:40:11] [INFO ] Flow matrix only has 499 transitions (discarded 10 similar events)
// Phase 1: matrix 499 rows 174 cols
[2026-05-24 12:40:11] [INFO ] Computed 10 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (33530 resets) in 3416 ms. (292 steps per ms)
BEST_FIRST walk for 3000001 steps (19616 resets) in 2503 ms. (1198 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-24 12:40:17] [INFO ] Flow matrix only has 499 transitions (discarded 10 similar events)
[2026-05-24 12:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:17] [INFO ] [Real]Absence check using 10 positive place invariants in 10 ms returned sat
[2026-05-24 12:40:17] [INFO ] [Real]Absence check using state equation in 229 ms returned sat
[2026-05-24 12:40:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:18] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-24 12:40:18] [INFO ] [Nat]Absence check using state equation in 227 ms returned sat
[2026-05-24 12:40:18] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-24 12:40:18] [INFO ] [Nat]Added 90 Read/Feed constraints in 104 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:18] [INFO ] Deduced a trap composed of 17 places in 247 ms of which 28 ms to minimize.
[2026-05-24 12:40:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 299 ms
[2026-05-24 12:40:18] [INFO ] Computed and/alt/rep : 146/674/146 causal constraints (skipped 345 transitions) in 95 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:19] [INFO ] Deduced a trap composed of 16 places in 251 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:19] [INFO ] Deduced a trap composed of 34 places in 83 ms of which 6 ms to minimize.
[2026-05-24 12:40:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 447 ms
[2026-05-24 12:40:19] [INFO ] Added : 22 causal constraints over 6 iterations in 938 ms. Result :sat
Minimization took 361 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:20] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-24 12:40:20] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
[2026-05-24 12:40:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:20] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 12:40:20] [INFO ] [Nat]Absence check using state equation in 151 ms returned sat
[2026-05-24 12:40:20] [INFO ] [Nat]Added 90 Read/Feed constraints in 77 ms returned sat
[2026-05-24 12:40:20] [INFO ] Computed and/alt/rep : 146/674/146 causal constraints (skipped 345 transitions) in 42 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:20] [INFO ] Deduced a trap composed of 34 places in 46 ms of which 4 ms to minimize.
[2026-05-24 12:40:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 180 ms
[2026-05-24 12:40:20] [INFO ] Added : 4 causal constraints over 1 iterations in 447 ms. Result :sat
Minimization took 453 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:21] [INFO ] [Real]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-24 12:40:21] [INFO ] [Real]Absence check using state equation in 224 ms returned sat
[2026-05-24 12:40:21] [INFO ] [Real]Added 90 Read/Feed constraints in 56 ms returned sat
[2026-05-24 12:40:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:40:21] [INFO ] [Nat]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-24 12:40:22] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
[2026-05-24 12:40:22] [INFO ] [Nat]Added 90 Read/Feed constraints in 69 ms returned sat
[2026-05-24 12:40:22] [INFO ] Computed and/alt/rep : 146/674/146 causal constraints (skipped 345 transitions) in 88 ms.
[2026-05-24 12:40:22] [INFO ] Added : 23 causal constraints over 6 iterations in 426 ms. Result :sat
Minimization took 422 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 174 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 509/509 transitions.
Applied a total of 0 rules in 15 ms. Remains 174 /174 variables (removed 0) and now considering 509/509 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 174/174 places, 509/509 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 509/509 transitions.
Applied a total of 0 rules in 18 ms. Remains 174 /174 variables (removed 0) and now considering 509/509 (removed 0) transitions.
[2026-05-24 12:40:23] [INFO ] Flow matrix only has 499 transitions (discarded 10 similar events)
[2026-05-24 12:40:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 12:40:23] [INFO ] Implicit Places using invariants in 330 ms returned []
[2026-05-24 12:40:23] [INFO ] Flow matrix only has 499 transitions (discarded 10 similar events)
[2026-05-24 12:40:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 12:40:24] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-24 12:40:24] [INFO ] Implicit Places using invariants and state equation in 869 ms returned []
Implicit Place search using SMT with State Equation took 1205 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 12:40:24] [INFO ] Redundant transitions in 34 ms returned []
Running 501 sub problems to find dead transitions.
[2026-05-24 12:40:24] [INFO ] Flow matrix only has 499 transitions (discarded 10 similar events)
[2026-05-24 12:40:24] [INFO ] Invariant cache hit.
[2026-05-24 12:40:24] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 1 (OVERLAPS) 1/174 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 501 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:35] [INFO ] Deduced a trap composed of 57 places in 258 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:35] [INFO ] Deduced a trap composed of 34 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:36] [INFO ] Deduced a trap composed of 17 places in 263 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:36] [INFO ] Deduced a trap composed of 25 places in 272 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:36] [INFO ] Deduced a trap composed of 36 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:36] [INFO ] Deduced a trap composed of 41 places in 71 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:36] [INFO ] Deduced a trap composed of 42 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:40:39] [INFO ] Deduced a trap composed of 125 places in 249 ms of which 26 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/174 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 4 (OVERLAPS) 499/673 variables, 174/192 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/673 variables, 90/282 constraints. Problems are: Problem set: 0 solved, 501 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 673/673 variables, and 282 constraints, problems are : Problem set: 0 solved, 501 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 501 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 1 (OVERLAPS) 1/174 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/174 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 4 (OVERLAPS) 499/673 variables, 174/192 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/673 variables, 90/282 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/673 variables, 501/783 constraints. Problems are: Problem set: 0 solved, 501 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 673/673 variables, and 783 constraints, problems are : Problem set: 0 solved, 501 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60774ms problems are : Problem set: 0 solved, 501 unsolved
Search for dead transitions found 0 dead transitions in 60792ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62082 ms. Remains : 174/174 places, 509/509 transitions.
RANDOM walk for 40000 steps (1334 resets) in 1103 ms. (36 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (263 resets) in 448 ms. (89 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (267 resets) in 302 ms. (132 steps per ms) remains 6/6 properties
[2026-05-24 12:41:26] [INFO ] Flatten gal took : 242 ms
BEST_FIRST walk for 40001 steps (260 resets) in 181 ms. (219 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (272 resets) in 180 ms. (221 steps per ms) remains 6/6 properties
[2026-05-24 12:41:26] [INFO ] Flatten gal took : 145 ms
BEST_FIRST walk for 40003 steps (254 resets) in 234 ms. (170 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (268 resets) in 165 ms. (240 steps per ms) remains 6/6 properties
[2026-05-24 12:41:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3841144212529835775.gal : 41 ms
[2026-05-24 12:41:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7477480624309588527.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3841144212529835775.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7477480624309588527.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7477480624309588527.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :6 after 36
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :36 after 37
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :37 after 42
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :42 after 57
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :57 after 87
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :87 after 366
Invariant property MIN0 does not hold.
Reachability property MAX0 is true.
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :366 after 1641
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1641 after 2339
Invariant property MIN2 does not hold.
Reachability property MAX2 is true.
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2339 after 3131
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3131 after 5009
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :5009 after 10983
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :10983 after 81034
Interrupted probabilistic random walk after 329498 steps, run timeout after 3001 ms. (steps per millisecond=109 ) properties seen :4 out of 6
Probabilistic random walk after 329498 steps, saw 96694 distinct states, run finished after 3006 ms. (steps per millisecond=109 ) properties seen :4
[2026-05-24 12:41:29] [INFO ] Flow matrix only has 499 transitions (discarded 10 similar events)
[2026-05-24 12:41:29] [INFO ] Invariant cache hit.
[2026-05-24 12:41:29] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 156/162 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:29] [INFO ] Deduced a trap composed of 16 places in 169 ms of which 18 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 499/661 variables, 162/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/661 variables, 90/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/661 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/673 variables, 12/275 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/673 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/673 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 673/673 variables, and 275 constraints, problems are : Problem set: 0 solved, 2 unsolved in 731 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 156/162 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 499/661 variables, 162/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/661 variables, 90/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/661 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :81034 after 263120
At refinement iteration 9 (INCLUDED_ONLY) 0/661 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 12/673 variables, 12/277 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/673 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/673 variables, 0/277 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 673/673 variables, and 277 constraints, problems are : Problem set: 0 solved, 2 unsolved in 747 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 174/174 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1489ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 50 ms.
Support contains 1 out of 174 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 509/509 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 173 transition count 507
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 173 transition count 507
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 172 transition count 504
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 172 transition count 504
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 171 transition count 502
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 171 transition count 502
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 170 transition count 500
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 170 transition count 500
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 169 transition count 498
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 169 transition count 498
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 168 transition count 497
Applied a total of 12 rules in 44 ms. Remains 168 /174 variables (removed 6) and now considering 497/509 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 168/174 places, 497/509 transitions.
RANDOM walk for 40000 steps (1350 resets) in 516 ms. (77 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (248 resets) in 265 ms. (150 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (250 resets) in 271 ms. (147 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 463366 steps, run timeout after 3001 ms. (steps per millisecond=154 ) properties seen :0 out of 2
Probabilistic random walk after 463366 steps, saw 136784 distinct states, run finished after 3001 ms. (steps per millisecond=154 ) properties seen :0
[2026-05-24 12:41:34] [INFO ] Flow matrix only has 487 transitions (discarded 10 similar events)
// Phase 1: matrix 487 rows 168 cols
[2026-05-24 12:41:34] [INFO ] Computed 10 invariants in 3 ms
[2026-05-24 12:41:34] [INFO ] State equation strengthened by 89 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 150/156 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:34] [INFO ] Deduced a trap composed of 17 places in 220 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:34] [INFO ] Deduced a trap composed of 35 places in 58 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 487/643 variables, 156/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/643 variables, 89/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12/655 variables, 12/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/655 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :263120 after 466633
At refinement iteration 11 (OVERLAPS) 0/655 variables, 0/269 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 655/655 variables, and 269 constraints, problems are : Problem set: 0 solved, 2 unsolved in 776 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 150/156 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:35] [INFO ] Deduced a trap composed of 55 places in 195 ms of which 13 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 487/643 variables, 156/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 89/258 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/643 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 12/655 variables, 12/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/655 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/655 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 655/655 variables, and 272 constraints, problems are : Problem set: 0 solved, 2 unsolved in 873 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1662ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 40 ms.
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 497/497 transitions.
Applied a total of 0 rules in 13 ms. Remains 168 /168 variables (removed 0) and now considering 497/497 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 168/168 places, 497/497 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 497/497 transitions.
Applied a total of 0 rules in 13 ms. Remains 168 /168 variables (removed 0) and now considering 497/497 (removed 0) transitions.
[2026-05-24 12:41:36] [INFO ] Flow matrix only has 487 transitions (discarded 10 similar events)
[2026-05-24 12:41:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 12:41:36] [INFO ] Implicit Places using invariants in 246 ms returned []
[2026-05-24 12:41:36] [INFO ] Flow matrix only has 487 transitions (discarded 10 similar events)
[2026-05-24 12:41:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 12:41:36] [INFO ] State equation strengthened by 89 read => feed constraints.
[2026-05-24 12:41:37] [INFO ] Implicit Places using invariants and state equation in 938 ms returned []
Implicit Place search using SMT with State Equation took 1186 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 12:41:37] [INFO ] Redundant transitions in 13 ms returned []
Running 489 sub problems to find dead transitions.
[2026-05-24 12:41:37] [INFO ] Flow matrix only has 487 transitions (discarded 10 similar events)
[2026-05-24 12:41:37] [INFO ] Invariant cache hit.
[2026-05-24 12:41:37] [INFO ] State equation strengthened by 89 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :466633 after 1.02234e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 1 (OVERLAPS) 1/168 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 489 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:46] [INFO ] Deduced a trap composed of 55 places in 192 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:46] [INFO ] Deduced a trap composed of 34 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:46] [INFO ] Deduced a trap composed of 17 places in 206 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:46] [INFO ] Deduced a trap composed of 25 places in 200 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:46] [INFO ] Deduced a trap composed of 36 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:47] [INFO ] Deduced a trap composed of 42 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:41:48] [INFO ] Deduced a trap composed of 120 places in 156 ms of which 14 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/168 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 4 (OVERLAPS) 487/655 variables, 168/185 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/655 variables, 89/274 constraints. Problems are: Problem set: 0 solved, 489 unsolved
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :1.02234e+06 after 2.21557e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/655 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 489 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 655/655 variables, and 274 constraints, problems are : Problem set: 0 solved, 489 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 489/489 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 489 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 1 (OVERLAPS) 1/168 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 7/17 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/168 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 4 (OVERLAPS) 487/655 variables, 168/185 constraints. Problems are: Problem set: 0 solved, 489 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/655 variables, 89/274 constraints. Problems are: Problem set: 0 solved, 489 unsolved
Detected timeout of ITS tools.
[2026-05-24 12:42:16] [INFO ] Flatten gal took : 80 ms
[2026-05-24 12:42:16] [INFO ] Applying decomposition
[2026-05-24 12:42:16] [INFO ] Flatten gal took : 77 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8302246894717414765.txt' '-o' '/tmp/graph8302246894717414765.bin' '-w' '/tmp/graph8302246894717414765.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8302246894717414765.bin' '-l' '-1' '-v' '-w' '/tmp/graph8302246894717414765.weights' '-q' '0' '-e' '0.001'
[2026-05-24 12:42:17] [INFO ] Decomposing Gal with order
[2026-05-24 12:42:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 12:42:17] [INFO ] Removed a total of 822 redundant transitions.
[2026-05-24 12:42:17] [INFO ] Flatten gal took : 152 ms
[2026-05-24 12:42:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 210 labels/synchronizations in 40 ms.
[2026-05-24 12:42:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16018667971858701039.gal : 15 ms
[2026-05-24 12:42:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6020899729244687083.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16018667971858701039.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6020899729244687083.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6020899729244687083.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :1 after 97
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :97 after 1825
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :1825 after 61729
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :61729 after 7.08941e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :7.08941e+06 after 1.10403e+08
At refinement iteration 6 (INCLUDED_ONLY) 0/655 variables, 489/763 constraints. Problems are: Problem set: 0 solved, 489 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 655/655 variables, and 763 constraints, problems are : Problem set: 0 solved, 489 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 489/489 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60401ms problems are : Problem set: 0 solved, 489 unsolved
Search for dead transitions found 0 dead transitions in 60406ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61633 ms. Remains : 168/168 places, 497/497 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 112 edges and 168 vertex of which 31 / 168 are part of one of the 5 SCC in 0 ms
Free SCC test removed 26 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 172 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 139 transition count 322
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 139 transition count 322
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 20 place count 139 transition count 309
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 138 transition count 308
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 1 with 24 rules applied. Total rules applied 46 place count 138 transition count 284
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 5 rules applied. Total rules applied 51 place count 138 transition count 279
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 58 place count 133 transition count 277
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 58 place count 133 transition count 275
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 62 place count 131 transition count 275
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 64 place count 130 transition count 274
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 67 place count 130 transition count 271
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 129 transition count 270
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 70 place count 128 transition count 237
Iterating global reduction 3 with 1 rules applied. Total rules applied 71 place count 128 transition count 237
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 75 place count 128 transition count 233
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 80 place count 124 transition count 232
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 84 place count 124 transition count 228
Free-agglomeration rule applied 2 times.
Iterating global reduction 4 with 2 rules applied. Total rules applied 86 place count 124 transition count 226
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 88 place count 122 transition count 226
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 94 place count 122 transition count 226
Applied a total of 94 rules in 122 ms. Remains 122 /168 variables (removed 46) and now considering 226/497 (removed 271) transitions.
Running SMT prover for 2 properties.
[2026-05-24 12:42:37] [INFO ] Flow matrix only has 222 transitions (discarded 4 similar events)
// Phase 1: matrix 222 rows 122 cols
[2026-05-24 12:42:37] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 12:42:37] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-24 12:42:38] [INFO ] After 176ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 12:42:38] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-24 12:42:38] [INFO ] After 91ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-24 12:42:38] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 12:42:38] [INFO ] After 22ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-24 12:42:38] [INFO ] After 54ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-24 12:42:38] [INFO ] After 217ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-24 12:42:38] [INFO ] Flatten gal took : 18 ms
[2026-05-24 12:42:38] [INFO ] Flatten gal took : 16 ms
[2026-05-24 12:42:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11369211032817065721.gal : 10 ms
[2026-05-24 12:42:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2572301411193406699.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11369211032817065721.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2572301411193406699.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2572301411193406699.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 23
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :23 after 199
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :199 after 255
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :255 after 289
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :289 after 1215
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1215 after 2087
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2087 after 2993
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2993 after 6412
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :6412 after 13410
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :13410 after 24257
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :24257 after 283615
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :283615 after 820775
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :820775 after 3.2595e+06
Detected timeout of ITS tools.
[2026-05-24 12:42:53] [INFO ] Flatten gal took : 15 ms
[2026-05-24 12:42:53] [INFO ] Applying decomposition
[2026-05-24 12:42:53] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9652482506409297990.txt' '-o' '/tmp/graph9652482506409297990.bin' '-w' '/tmp/graph9652482506409297990.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9652482506409297990.bin' '-l' '-1' '-v' '-w' '/tmp/graph9652482506409297990.weights' '-q' '0' '-e' '0.001'
[2026-05-24 12:42:53] [INFO ] Decomposing Gal with order
[2026-05-24 12:42:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 12:42:53] [INFO ] Removed a total of 328 redundant transitions.
[2026-05-24 12:42:53] [INFO ] Flatten gal took : 31 ms
[2026-05-24 12:42:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 91 labels/synchronizations in 14 ms.
[2026-05-24 12:42:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17965647026025901227.gal : 6 ms
[2026-05-24 12:42:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3910110140606740465.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17965647026025901227.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3910110140606740465.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3910110140606740465.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 73
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :73 after 2.1803e+06
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :2.1803e+06 after 1.32139e+07
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :1.32139e+07 after 7.04383e+08
Invariant property MIN1 does not hold.
Reachability property MAX1 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 fixpoint passes
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,4.76021e+09,3.13643,75076,761,124,128393,1363,538,258790,98,5264,0
Total reachable state count : 4760206344

Verifying 2 reachability properties.
Reachability property MAX1 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,1.5211e+07,3.14197,75076,361,79,128393,1363,541,258790,101,5264,0
Invariant property MIN1 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,1.5211e+07,3.14292,75076,361,79,128393,1363,547,258790,103,5264,0
Over-approximation ignoring read arcs solved 0 properties in 18962 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA FireWire-PT-20-UpperBounds-12 1 TECHNIQUES REACHABILITY_MAX
FORMULA FireWire-PT-20-UpperBounds-01 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 2 queries.) : Max Seen:[0] Max Struct:[1]
Starting property specific reduction for FireWire-PT-20-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
[2026-05-24 12:42:56] [INFO ] Flow matrix only has 499 transitions (discarded 10 similar events)
// Phase 1: matrix 499 rows 174 cols
[2026-05-24 12:42:56] [INFO ] Computed 10 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (340 resets) in 34 ms. (285 steps per ms)
BEST_FIRST walk for 10001 steps (57 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 12:42:56] [INFO ] Flow matrix only has 499 transitions (discarded 10 similar events)
[2026-05-24 12:42:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:42:56] [INFO ] [Real]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 12:42:57] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2026-05-24 12:42:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 12:42:57] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 12:42:57] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2026-05-24 12:42:57] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-24 12:42:57] [INFO ] [Nat]Added 90 Read/Feed constraints in 122 ms returned sat
[2026-05-24 12:42:57] [INFO ] Computed and/alt/rep : 146/674/146 causal constraints (skipped 345 transitions) in 57 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:42:57] [INFO ] Deduced a trap composed of 34 places in 70 ms of which 6 ms to minimize.
[2026-05-24 12:42:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 247 ms
[2026-05-24 12:42:58] [INFO ] Added : 4 causal constraints over 1 iterations in 593 ms. Result :sat
Minimization took 444 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 174 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p467) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 174/174 places, 508/508 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 173 transition count 506
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 173 transition count 506
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 172 transition count 503
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 172 transition count 503
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 171 transition count 501
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 171 transition count 501
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 170 transition count 499
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 170 transition count 499
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 169 transition count 497
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 169 transition count 497
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 168 transition count 496
Applied a total of 12 rules in 35 ms. Remains 168 /174 variables (removed 6) and now considering 496/508 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 168/174 places, 496/508 transitions.
[2026-05-24 12:42:58] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
// Phase 1: matrix 486 rows 168 cols
[2026-05-24 12:42:58] [INFO ] Computed 10 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (33607 resets) in 3345 ms. (298 steps per ms)
BEST_FIRST walk for 1000000 steps (6560 resets) in 802 ms. (1245 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 12:43:02] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:43:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:43:02] [INFO ] [Real]Absence check using 10 positive place invariants in 9 ms returned sat
[2026-05-24 12:43:02] [INFO ] [Real]Absence check using state equation in 136 ms returned sat
[2026-05-24 12:43:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 12:43:03] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-24 12:43:03] [INFO ] [Nat]Absence check using state equation in 138 ms returned sat
[2026-05-24 12:43:03] [INFO ] State equation strengthened by 89 read => feed constraints.
[2026-05-24 12:43:03] [INFO ] [Nat]Added 89 Read/Feed constraints in 106 ms returned sat
[2026-05-24 12:43:03] [INFO ] Computed and/alt/rep : 141/659/141 causal constraints (skipped 337 transitions) in 68 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:43:03] [INFO ] Deduced a trap composed of 25 places in 247 ms of which 17 ms to minimize.
[2026-05-24 12:43:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 322 ms
[2026-05-24 12:43:03] [INFO ] Added : 6 causal constraints over 2 iterations in 601 ms. Result :sat
Minimization took 365 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 496/496 transitions.
Applied a total of 0 rules in 11 ms. Remains 168 /168 variables (removed 0) and now considering 496/496 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 168/168 places, 496/496 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 496/496 transitions.
Applied a total of 0 rules in 12 ms. Remains 168 /168 variables (removed 0) and now considering 496/496 (removed 0) transitions.
[2026-05-24 12:43:04] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:43:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 12:43:04] [INFO ] Implicit Places using invariants in 306 ms returned []
[2026-05-24 12:43:04] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:43:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 12:43:05] [INFO ] State equation strengthened by 89 read => feed constraints.
[2026-05-24 12:43:05] [INFO ] Implicit Places using invariants and state equation in 913 ms returned []
Implicit Place search using SMT with State Equation took 1234 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 12:43:05] [INFO ] Redundant transitions in 6 ms returned []
Running 488 sub problems to find dead transitions.
[2026-05-24 12:43:05] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:43:05] [INFO ] Invariant cache hit.
[2026-05-24 12:43:05] [INFO ] State equation strengthened by 89 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 1 (OVERLAPS) 2/168 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 488 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:43:15] [INFO ] Deduced a trap composed of 55 places in 272 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:43:15] [INFO ] Deduced a trap composed of 34 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:43:15] [INFO ] Deduced a trap composed of 17 places in 257 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:43:15] [INFO ] Deduced a trap composed of 25 places in 283 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:43:16] [INFO ] Deduced a trap composed of 36 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:43:18] [INFO ] Deduced a trap composed of 120 places in 235 ms of which 24 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/168 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 4 (OVERLAPS) 486/654 variables, 168/184 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/654 variables, 89/273 constraints. Problems are: Problem set: 0 solved, 488 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 654/654 variables, and 273 constraints, problems are : Problem set: 0 solved, 488 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 488/488 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 488 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 1 (OVERLAPS) 2/168 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/168 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 4 (OVERLAPS) 486/654 variables, 168/184 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/654 variables, 89/273 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/654 variables, 488/761 constraints. Problems are: Problem set: 0 solved, 488 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 654/654 variables, and 761 constraints, problems are : Problem set: 0 solved, 488 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 488/488 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60419ms problems are : Problem set: 0 solved, 488 unsolved
Search for dead transitions found 0 dead transitions in 60422ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61682 ms. Remains : 168/168 places, 496/496 transitions.
[2026-05-24 12:44:06] [INFO ] Flatten gal took : 28 ms
[2026-05-24 12:44:06] [INFO ] Flatten gal took : 64 ms
[2026-05-24 12:44:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13828155748371158163.gal : 5 ms
RANDOM walk for 40000 steps (1361 resets) in 325 ms. (122 steps per ms) remains 2/2 properties
[2026-05-24 12:44:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16866611761070005915.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13828155748371158163.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16866611761070005915.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40002 steps (252 resets) in 85 ms. (465 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (254 resets) in 133 ms. (298 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16866611761070005915.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :8 after 10
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 11
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :11 after 67
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :67 after 139
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :139 after 247
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :247 after 341
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :341 after 2607
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2607 after 7040
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7040 after 11825
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :11825 after 26731
Interrupted probabilistic random walk after 462801 steps, run timeout after 3001 ms. (steps per millisecond=154 ) properties seen :0 out of 2
Probabilistic random walk after 462801 steps, saw 136618 distinct states, run finished after 3001 ms. (steps per millisecond=154 ) properties seen :0
[2026-05-24 12:44:09] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:44:09] [INFO ] Invariant cache hit.
[2026-05-24 12:44:09] [INFO ] State equation strengthened by 89 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 150/156 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 486/642 variables, 156/166 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/642 variables, 89/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/642 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 12/654 variables, 12/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/654 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/654 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 654/654 variables, and 267 constraints, problems are : Problem set: 0 solved, 2 unsolved in 314 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 150/156 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:09] [INFO ] Deduced a trap composed of 17 places in 186 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:09] [INFO ] Deduced a trap composed of 35 places in 65 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 486/642 variables, 156/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/642 variables, 89/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/642 variables, 2/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/642 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 12/654 variables, 12/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/654 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/654 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 654/654 variables, and 271 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1020 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1350ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 496/496 transitions.
Applied a total of 0 rules in 12 ms. Remains 168 /168 variables (removed 0) and now considering 496/496 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 168/168 places, 496/496 transitions.
RANDOM walk for 40000 steps (1340 resets) in 316 ms. (126 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (257 resets) in 104 ms. (380 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :26731 after 72345
BEST_FIRST walk for 40003 steps (262 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 467370 steps, run timeout after 3001 ms. (steps per millisecond=155 ) properties seen :0 out of 2
Probabilistic random walk after 467370 steps, saw 137915 distinct states, run finished after 3001 ms. (steps per millisecond=155 ) properties seen :0
[2026-05-24 12:44:13] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:44:13] [INFO ] Invariant cache hit.
[2026-05-24 12:44:13] [INFO ] State equation strengthened by 89 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 150/156 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 486/642 variables, 156/166 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/642 variables, 89/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/642 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 12/654 variables, 12/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/654 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/654 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 654/654 variables, and 267 constraints, problems are : Problem set: 0 solved, 2 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 150/156 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:14] [INFO ] Deduced a trap composed of 17 places in 210 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:14] [INFO ] Deduced a trap composed of 35 places in 71 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 486/642 variables, 156/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/642 variables, 89/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/642 variables, 2/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/642 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 12/654 variables, 12/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/654 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/654 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 654/654 variables, and 271 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1077 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1401ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 33 ms.
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 496/496 transitions.
Applied a total of 0 rules in 11 ms. Remains 168 /168 variables (removed 0) and now considering 496/496 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 168/168 places, 496/496 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 496/496 transitions.
Applied a total of 0 rules in 10 ms. Remains 168 /168 variables (removed 0) and now considering 496/496 (removed 0) transitions.
[2026-05-24 12:44:15] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:44:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 12:44:15] [INFO ] Implicit Places using invariants in 315 ms returned []
[2026-05-24 12:44:15] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:44:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 12:44:15] [INFO ] State equation strengthened by 89 read => feed constraints.
[2026-05-24 12:44:16] [INFO ] Implicit Places using invariants and state equation in 1015 ms returned []
Implicit Place search using SMT with State Equation took 1332 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 12:44:16] [INFO ] Redundant transitions in 8 ms returned []
Running 488 sub problems to find dead transitions.
[2026-05-24 12:44:16] [INFO ] Flow matrix only has 486 transitions (discarded 10 similar events)
[2026-05-24 12:44:16] [INFO ] Invariant cache hit.
[2026-05-24 12:44:16] [INFO ] State equation strengthened by 89 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :72345 after 153406
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 1 (OVERLAPS) 2/168 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 488 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:26] [INFO ] Deduced a trap composed of 55 places in 164 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:26] [INFO ] Deduced a trap composed of 34 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:26] [INFO ] Deduced a trap composed of 17 places in 154 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:26] [INFO ] Deduced a trap composed of 25 places in 174 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:26] [INFO ] Deduced a trap composed of 36 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 12:44:28] [INFO ] Deduced a trap composed of 120 places in 150 ms of which 14 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :153406 after 596175
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/168 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 4 (OVERLAPS) 486/654 variables, 168/184 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/654 variables, 89/273 constraints. Problems are: Problem set: 0 solved, 488 unsolved
SDD proceeding with computation,2 properties remain. new max is 131072
SDD size :596175 after 3.30272e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/654 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 488 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 654/654 variables, and 273 constraints, problems are : Problem set: 0 solved, 488 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 488/488 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 488 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 1 (OVERLAPS) 2/168 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 6/16 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/168 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 4 (OVERLAPS) 486/654 variables, 168/184 constraints. Problems are: Problem set: 0 solved, 488 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/654 variables, 89/273 constraints. Problems are: Problem set: 0 solved, 488 unsolved
Detected timeout of ITS tools.
[2026-05-24 12:44:56] [INFO ] Flatten gal took : 23 ms
[2026-05-24 12:44:56] [INFO ] Applying decomposition
[2026-05-24 12:44:56] [INFO ] Flatten gal took : 18 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15301506922395230365.txt' '-o' '/tmp/graph15301506922395230365.bin' '-w' '/tmp/graph15301506922395230365.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15301506922395230365.bin' '-l' '-1' '-v' '-w' '/tmp/graph15301506922395230365.weights' '-q' '0' '-e' '0.001'
[2026-05-24 12:44:56] [INFO ] Decomposing Gal with order
[2026-05-24 12:44:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 12:44:56] [INFO ] Removed a total of 851 redundant transitions.
[2026-05-24 12:44:56] [INFO ] Flatten gal took : 47 ms
[2026-05-24 12:44:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 221 labels/synchronizations in 16 ms.
[2026-05-24 12:44:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10210757041146131436.gal : 5 ms
[2026-05-24 12:44:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8760041151702906697.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10210757041146131436.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8760041151702906697.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality8760041151702906697.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 97
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :97 after 193
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :193 after 2753
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :2753 after 2753
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :2753 after 47777
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :47777 after 200033
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :200033 after 1.66443e+08
At refinement iteration 6 (INCLUDED_ONLY) 0/654 variables, 488/761 constraints. Problems are: Problem set: 0 solved, 488 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 654/654 variables, and 761 constraints, problems are : Problem set: 0 solved, 488 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 168/168 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 488/488 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60444ms problems are : Problem set: 0 solved, 488 unsolved
Search for dead transitions found 0 dead transitions in 60446ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61805 ms. Remains : 168/168 places, 496/496 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 112 edges and 168 vertex of which 31 / 168 are part of one of the 5 SCC in 1 ms
Free SCC test removed 26 places
Drop transitions (Empty/Sink Transition effects.) removed 148 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 172 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 139 transition count 321
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 139 transition count 321
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 20 place count 139 transition count 308
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 138 transition count 307
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 1 with 24 rules applied. Total rules applied 46 place count 138 transition count 283
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 5 rules applied. Total rules applied 51 place count 138 transition count 278
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 58 place count 133 transition count 276
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 58 place count 133 transition count 274
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 62 place count 131 transition count 274
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 64 place count 130 transition count 273
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 67 place count 130 transition count 270
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 129 transition count 269
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 70 place count 128 transition count 236
Iterating global reduction 3 with 1 rules applied. Total rules applied 71 place count 128 transition count 236
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 75 place count 128 transition count 232
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 80 place count 124 transition count 231
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 4 with 4 rules applied. Total rules applied 84 place count 124 transition count 227
Free-agglomeration rule applied 2 times.
Iterating global reduction 4 with 2 rules applied. Total rules applied 86 place count 124 transition count 225
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 88 place count 122 transition count 225
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 5 with 6 rules applied. Total rules applied 94 place count 122 transition count 225
Applied a total of 94 rules in 84 ms. Remains 122 /168 variables (removed 46) and now considering 225/496 (removed 271) transitions.
Running SMT prover for 2 properties.
[2026-05-24 12:45:17] [INFO ] Flow matrix only has 221 transitions (discarded 4 similar events)
// Phase 1: matrix 221 rows 122 cols
[2026-05-24 12:45:17] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-24 12:45:17] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2026-05-24 12:45:17] [INFO ] After 127ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-24 12:45:17] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 12:45:17] [INFO ] After 26ms SMT Verify possible using 8 Read/Feed constraints in real domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-24 12:45:17] [INFO ] After 64ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :2
[2026-05-24 12:45:17] [INFO ] After 305ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :2
[2026-05-24 12:45:17] [INFO ] Flatten gal took : 15 ms
[2026-05-24 12:45:17] [INFO ] Flatten gal took : 12 ms
[2026-05-24 12:45:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5004280333198239155.gal : 3 ms
[2026-05-24 12:45:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18405940507346404971.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5004280333198239155.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18405940507346404971.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality18405940507346404971.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 17
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :17 after 23
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :23 after 199
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :199 after 255
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :255 after 289
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :289 after 1215
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1215 after 2091
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2091 after 2993
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2993 after 6412
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :6412 after 13458
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :13458 after 24329
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :24329 after 284601
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :284601 after 863413
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :863413 after 3.33735e+06
Detected timeout of ITS tools.
[2026-05-24 12:45:32] [INFO ] Flatten gal took : 10 ms
[2026-05-24 12:45:32] [INFO ] Applying decomposition
[2026-05-24 12:45:32] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3845976238793149247.txt' '-o' '/tmp/graph3845976238793149247.bin' '-w' '/tmp/graph3845976238793149247.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3845976238793149247.bin' '-l' '-1' '-v' '-w' '/tmp/graph3845976238793149247.weights' '-q' '0' '-e' '0.001'
[2026-05-24 12:45:32] [INFO ] Decomposing Gal with order
[2026-05-24 12:45:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 12:45:32] [INFO ] Removed a total of 328 redundant transitions.
[2026-05-24 12:45:32] [INFO ] Flatten gal took : 37 ms
[2026-05-24 12:45:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 81 labels/synchronizations in 10 ms.
[2026-05-24 12:45:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15107313301476122383.gal : 7 ms
[2026-05-24 12:45:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16292129717962414932.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15107313301476122383.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16292129717962414932.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality16292129717962414932.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2593
Invariant property MIN0 does not hold.
Reachability property MAX0 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 5 fixpoint passes
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,1.84925e+06,0.064654,6140,321,76,1677,252,499,2497,87,473,0
Total reachable state count : 1849249

Verifying 2 reachability properties.
Reachability property MAX0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,1296,0.065216,6140,50,32,1677,252,502,2497,90,473,0
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1296,0.065427,6140,50,32,1677,252,508,2497,92,473,0
Over-approximation ignoring read arcs solved 0 properties in 15777 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for FireWire-PT-20-UpperBounds-08 in 156128 ms.
[2026-05-24 12:45:32] [INFO ] Flatten gal took : 17 ms
[2026-05-24 12:45:32] [INFO ] Applying decomposition
[2026-05-24 12:45:32] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6560322822383534875.txt' '-o' '/tmp/graph6560322822383534875.bin' '-w' '/tmp/graph6560322822383534875.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6560322822383534875.bin' '-l' '-1' '-v' '-w' '/tmp/graph6560322822383534875.weights' '-q' '0' '-e' '0.001'
[2026-05-24 12:45:33] [INFO ] Decomposing Gal with order
[2026-05-24 12:45:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 12:45:33] [INFO ] Removed a total of 795 redundant transitions.
[2026-05-24 12:45:33] [INFO ] Flatten gal took : 60 ms
[2026-05-24 12:45:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 233 labels/synchronizations in 23 ms.
[2026-05-24 12:45:33] [INFO ] Time to serialize gal into /tmp/UpperBounds9404382295445900029.gal : 5 ms
[2026-05-24 12:45:33] [INFO ] Time to serialize properties into /tmp/UpperBounds15229021543545238072.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds9404382295445900029.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds15229021543545238072.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds15229021543545238072.prop.
Detected timeout of ITS tools.
[2026-05-24 13:07:49] [INFO ] Applying decomposition
[2026-05-24 13:07:50] [INFO ] Flatten gal took : 384 ms
[2026-05-24 13:07:50] [INFO ] Decomposing Gal with order
[2026-05-24 13:07:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:07:50] [INFO ] Removed a total of 807 redundant transitions.
[2026-05-24 13:07:51] [INFO ] Flatten gal took : 544 ms
[2026-05-24 13:07:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 733 labels/synchronizations in 224 ms.
[2026-05-24 13:07:51] [INFO ] Time to serialize gal into /tmp/UpperBounds4780207060971849952.gal : 31 ms
[2026-05-24 13:07:51] [INFO ] Time to serialize properties into /tmp/UpperBounds5055925449005231956.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds4780207060971849952.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds5055925449005231956.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds5055925449005231956.prop.
Detected timeout of ITS tools.
[2026-05-24 13:30:06] [INFO ] Flatten gal took : 94 ms
[2026-05-24 13:30:07] [INFO ] Input system was already deterministic with 509 transitions.
[2026-05-24 13:30:07] [INFO ] Transformed 174 places.
[2026-05-24 13:30:07] [INFO ] Transformed 509 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2026-05-24 13:30:07] [INFO ] Time to serialize gal into /tmp/UpperBounds1124009928757265910.gal : 17 ms
[2026-05-24 13:30:07] [INFO ] Time to serialize properties into /tmp/UpperBounds2773340494737773449.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds1124009928757265910.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2773340494737773449.prop' '--nowitness' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...349
Successfully loaded order from file /home/mcc/execution/model.ord
Loading property file /tmp/UpperBounds2773340494737773449.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,9.2737e+10,349.788,5177968,2,57808,5,2.09296e+07,6,0,1207,1.64476e+07,0
Total reachable state count : 92737040937

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property FireWire-PT-20-UpperBounds-08 :0 <= p467 <= 1
FORMULA FireWire-PT-20-UpperBounds-08 1 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
FireWire-PT-20-UpperBounds-08,0,349.88,5177968,1,0,7,2.09296e+07,9,1,1732,1.64476e+07,4
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 3430068 ms.

BK_STOP 1779629759081

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="FireWire-PT-20"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is FireWire-PT-20, 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 r143-smll-177955812400038"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-20.tgz
mv FireWire-PT-20 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 ;