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.r047-tall-177946846500093.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 CANInsertWithFailure-PT-050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tall-177946846500093
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 11K Mar 6 10:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 10:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 10:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 10:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.3K Mar 15 07:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 07:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 10:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Mar 6 10:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Mar 6 10:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 10:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 16M 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 CANInsertWithFailure-PT-050-UpperBounds-00
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-01
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-02
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-03
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-04
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-05
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-06
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-07
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-08
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-09
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-10
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-11
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-12
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-13
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-14
FORMULA_NAME CANInsertWithFailure-PT-050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779486034805

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CANInsertWithFailure-PT-050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 21:40:36] [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]
[2026-05-22 21:40:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:40:36] [INFO ] Load time of PNML (sax parser for PT used): 518 ms
[2026-05-22 21:40:36] [INFO ] Transformed 5604 places.
[2026-05-22 21:40:36] [INFO ] Transformed 15300 transitions.
[2026-05-22 21:40:36] [INFO ] Parsed PT model containing 5604 places and 15300 transitions and 41000 arcs in 664 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 15300 rows 5604 cols
[2026-05-22 21:40:38] [INFO ] Computed 53 invariants in 1182 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:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
RANDOM walk for 10000 steps (8 resets) in 171 ms. (58 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 217 ms. (734 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
[2026-05-22 21:40:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:40:41] [INFO ] [Real]Absence check using 51 positive place invariants in 115 ms returned sat
[2026-05-22 21:40:41] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 48 ms returned sat
[2026-05-22 21:40:45] [INFO ] [Real]Absence check using state equation in 4170 ms returned sat
[2026-05-22 21:40:45] [INFO ] State equation strengthened by 4950 read => feed constraints.
[2026-05-22 21:40:45] [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 1
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.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:40:46] [INFO ] [Real]Absence check using 51 positive place invariants in 117 ms returned sat
[2026-05-22 21:40:46] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 50 ms returned sat
[2026-05-22 21:40:50] [INFO ] [Real]Absence check using state equation in 4144 ms returned sat
0.0timeout
^^^^^^^^^^
(error "Invalid token: 0.0timeout")
[2026-05-22 21:40:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:40:51] [INFO ] [Nat]Absence check using 51 positive place invariants in 101 ms returned sat
[2026-05-22 21:40:51] [INFO ] [Nat]Absence check using 51 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 21:40:55] [INFO ] [Nat]Absence check using state equation in 4252 ms returned sat
[2026-05-22 21:40:56] [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 2
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.verifyPossible(DeadlockTester.java:863)
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
[2026-05-22 21:40:56] [INFO ] [Real]Absence check using 51 positive place invariants in 102 ms returned sat
[2026-05-22 21:40:56] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 21:41:00] [INFO ] [Real]Absence check using state equation in 4318 ms returned sat
[2026-05-22 21:41:01] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:41:01] [INFO ] [Real]Absence check using 51 positive place invariants in 95 ms returned sat
[2026-05-22 21:41:01] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 21:41:05] [INFO ] [Real]Absence check using state equation in 4072 ms returned sat
[2026-05-22 21:41:06] [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 4
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.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:41:06] [INFO ] [Real]Absence check using 51 positive place invariants in 94 ms returned sat
[2026-05-22 21:41:06] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 21:41:10] [INFO ] [Real]Absence check using state equation in 4149 ms returned sat
[2026-05-22 21:41:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:41:11] [INFO ] [Nat]Absence check using 51 positive place invariants in 86 ms returned sat
[2026-05-22 21:41:11] [INFO ] [Nat]Absence check using 51 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 21:41:16] [INFO ] [Nat]Absence check using state equation in 4232 ms returned sat
[2026-05-22 21:41:16] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
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
[2026-05-22 21:41:16] [INFO ] [Real]Absence check using 51 positive place invariants in 86 ms returned sat
[2026-05-22 21:41:16] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 21:41:21] [INFO ] [Real]Absence check using state equation in 4189 ms returned sat
[2026-05-22 21:41:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:41:22] [INFO ] [Nat]Absence check using 51 positive place invariants in 88 ms returned sat
[2026-05-22 21:41:22] [INFO ] [Nat]Absence check using 51 positive and 2 generalized place invariants in 45 ms returned sat
[2026-05-22 21:41:26] [INFO ] [Nat]Absence check using state equation in 4224 ms returned sat
[2026-05-22 21:41:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
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
[2026-05-22 21:41:27] [INFO ] [Real]Absence check using 51 positive place invariants in 83 ms returned sat
[2026-05-22 21:41:27] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 21:41:31] [INFO ] [Real]Absence check using state equation in 4180 ms returned sat
[2026-05-22 21:41:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:41:32] [INFO ] [Nat]Absence check using 51 positive place invariants in 83 ms returned sat
[2026-05-22 21:41:32] [INFO ] [Nat]Absence check using 51 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 21:41:36] [INFO ] [Nat]Absence check using state equation in 4279 ms returned sat
[2026-05-22 21:41:36] [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 7
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.verifyPossible(DeadlockTester.java:863)
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
[2026-05-22 21:41:37] [INFO ] [Real]Absence check using 51 positive place invariants in 84 ms returned sat
[2026-05-22 21:41:37] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 21:41:41] [INFO ] [Real]Absence check using state equation in 4084 ms returned sat
[2026-05-22 21:41:41] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 8
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:41:42] [INFO ] [Real]Absence check using 51 positive place invariants in 83 ms returned sat
[2026-05-22 21:41:42] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 21:41:46] [INFO ] [Real]Absence check using state equation in 4262 ms returned sat
[2026-05-22 21:41:46] [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 9
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.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:41:47] [INFO ] [Real]Absence check using 51 positive place invariants in 84 ms returned sat
[2026-05-22 21:41:47] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 21:41:51] [INFO ] [Real]Absence check using state equation in 4130 ms returned sat
[2026-05-22 21:41:51] [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.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:41:52] [INFO ] [Real]Absence check using 51 positive place invariants in 83 ms returned sat
[2026-05-22 21:41:52] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 21:41:56] [INFO ] [Real]Absence check using state equation in 4318 ms returned sat
[2026-05-22 21:41:56] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 11
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:41:57] [INFO ] [Real]Absence check using 51 positive place invariants in 86 ms returned sat
[2026-05-22 21:41:57] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 21:42:01] [INFO ] [Real]Absence check using state equation in 4144 ms returned sat
[2026-05-22 21:42:01] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 12
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.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:42:02] [INFO ] [Real]Absence check using 51 positive place invariants in 88 ms returned sat
[2026-05-22 21:42:02] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 21:42:06] [INFO ] [Real]Absence check using state equation in 4131 ms returned sat
[2026-05-22 21:42:06] [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 13
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.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 21:42:07] [INFO ] [Real]Absence check using 51 positive place invariants in 85 ms returned sat
[2026-05-22 21:42:07] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 21:42:11] [INFO ] [Real]Absence check using state equation in 4173 ms returned sat
[2026-05-22 21:42:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:42:12] [INFO ] [Nat]Absence check using 51 positive place invariants in 85 ms returned sat
[2026-05-22 21:42:12] [INFO ] [Nat]Absence check using 51 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 21:42:16] [INFO ] [Nat]Absence check using state equation in 4313 ms returned sat
[2026-05-22 21:42:17] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 14
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
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
[2026-05-22 21:42:17] [INFO ] [Real]Absence check using 51 positive place invariants in 88 ms returned sat
[2026-05-22 21:42:17] [INFO ] [Real]Absence check using 51 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 21:42:21] [INFO ] [Real]Absence check using state equation in 4179 ms returned sat
[2026-05-22 21:42:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:42:22] [INFO ] [Nat]Absence check using 51 positive place invariants in 90 ms returned sat
[2026-05-22 21:42:22] [INFO ] [Nat]Absence check using 51 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 21:42:26] [INFO ] [Nat]Absence check using state equation in 4154 ms returned sat
[2026-05-22 21:42:27] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 21:42:27] [INFO ] [Nat]Added 4950 Read/Feed constraints in 234 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Support contains 16 out of 5604 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5604/5604 places, 15300/15300 transitions.
Graph (complete) has 20751 edges and 5604 vertex of which 5603 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.22 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 350 transitions
Trivial Post-agglo rules discarded 350 transitions
Performed 350 trivial Post agglomeration. Transition count delta: 350
Iterating post reduction 0 with 350 rules applied. Total rules applied 351 place count 5603 transition count 14950
Reduce places removed 350 places and 0 transitions.
Iterating post reduction 1 with 350 rules applied. Total rules applied 701 place count 5253 transition count 14950
Performed 2444 Post agglomeration using F-continuation condition.Transition count delta: 2444
Deduced a syphon composed of 2444 places in 5 ms
Reduce places removed 2444 places and 0 transitions.
Iterating global reduction 2 with 4888 rules applied. Total rules applied 5589 place count 2809 transition count 12506
Drop transitions (Redundant composition of simpler transitions.) removed 2346 transitions
Redundant transition composition rules discarded 2346 transitions
Iterating global reduction 2 with 2346 rules applied. Total rules applied 7935 place count 2809 transition count 10160
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 7936 place count 2809 transition count 10159
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 7937 place count 2808 transition count 10159
Partial Free-agglomeration rule applied 2541 times.
Drop transitions (Partial Free agglomeration) removed 2541 transitions
Iterating global reduction 3 with 2541 rules applied. Total rules applied 10478 place count 2808 transition count 10159
Applied a total of 10478 rules in 3519 ms. Remains 2808 /5604 variables (removed 2796) and now considering 10159/15300 (removed 5141) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3535 ms. Remains : 2808/5604 places, 10159/15300 transitions.
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 21:42:31] [INFO ] Computed 52 invariants in 332 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
RANDOM walk for 1000000 steps (4347 resets) in 14406 ms. (69 steps per ms)
BEST_FIRST walk for 16000013 steps (1113 resets) in 22915 ms. (698 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
[2026-05-22 21:43:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:43:08] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:43:08] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:43:10] [INFO ] [Real]Absence check using state equation in 1984 ms returned sat
[2026-05-22 21:43:10] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 21:43:12] [INFO ] [Real]Added 9982 Read/Feed constraints in 1165 ms returned sat
[2026-05-22 21:43:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:43:12] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:43:12] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:43:14] [INFO ] [Nat]Absence check using state equation in 1963 ms returned sat
[2026-05-22 21:43:15] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1242 ms returned sat
[2026-05-22 21:43:16] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 586 ms.
[2026-05-22 21:43:18] [INFO ] Added : 6 causal constraints over 2 iterations in 2352 ms. Result :sat
Minimization took 5695 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:43:24] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:43:24] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:43:26] [INFO ] [Real]Absence check using state equation in 1972 ms returned sat
[2026-05-22 21:43:27] [INFO ] [Real]Added 9982 Read/Feed constraints in 1209 ms returned sat
[2026-05-22 21:43:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:43:28] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:43:28] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:43:30] [INFO ] [Nat]Absence check using state equation in 1992 ms returned sat
[2026-05-22 21:43:31] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1471 ms returned sat
[2026-05-22 21:43:32] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 501 ms.
[2026-05-22 21:43:34] [INFO ] Added : 9 causal constraints over 2 iterations in 2186 ms. Result :sat
Minimization took 5559 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:43:39] [INFO ] [Real]Absence check using 50 positive place invariants in 38 ms returned sat
[2026-05-22 21:43:39] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:43:41] [INFO ] [Real]Absence check using state equation in 1949 ms returned sat
[2026-05-22 21:43:43] [INFO ] [Real]Added 9982 Read/Feed constraints in 1575 ms returned sat
[2026-05-22 21:43:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:43:44] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:43:44] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:43:46] [INFO ] [Nat]Absence check using state equation in 2022 ms returned sat
[2026-05-22 21:43:47] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1733 ms returned sat
[2026-05-22 21:43:48] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 458 ms.
[2026-05-22 21:43:50] [INFO ] Added : 10 causal constraints over 2 iterations in 2157 ms. Result :sat
Minimization took 5607 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:43:56] [INFO ] [Real]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:43:56] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:43:58] [INFO ] [Real]Absence check using state equation in 1898 ms returned sat
[2026-05-22 21:43:59] [INFO ] [Real]Added 9982 Read/Feed constraints in 1485 ms returned sat
[2026-05-22 21:43:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:00] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:44:00] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:44:02] [INFO ] [Nat]Absence check using state equation in 1936 ms returned sat
[2026-05-22 21:44:03] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1746 ms returned sat
[2026-05-22 21:44:04] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 441 ms.
[2026-05-22 21:44:06] [INFO ] Added : 8 causal constraints over 2 iterations in 2102 ms. Result :sat
Minimization took 5579 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:12] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:44:12] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:44:14] [INFO ] [Real]Absence check using state equation in 1993 ms returned sat
[2026-05-22 21:44:15] [INFO ] [Real]Added 9982 Read/Feed constraints in 1137 ms returned sat
[2026-05-22 21:44:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:15] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:44:15] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 21:44:17] [INFO ] [Nat]Absence check using state equation in 1994 ms returned sat
[2026-05-22 21:44:19] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1332 ms returned sat
[2026-05-22 21:44:19] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 438 ms.
[2026-05-22 21:44:21] [INFO ] Added : 7 causal constraints over 2 iterations in 2131 ms. Result :sat
Minimization took 5532 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:27] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:44:27] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:44:29] [INFO ] [Real]Absence check using state equation in 1922 ms returned sat
[2026-05-22 21:44:31] [INFO ] [Real]Added 9982 Read/Feed constraints in 2020 ms returned sat
[2026-05-22 21:44:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:32] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:44:32] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:44:34] [INFO ] [Nat]Absence check using state equation in 1927 ms returned sat
[2026-05-22 21:44:35] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1628 ms returned sat
[2026-05-22 21:44:36] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 429 ms.
[2026-05-22 21:44:37] [INFO ] Added : 8 causal constraints over 2 iterations in 2106 ms. Result :sat
Minimization took 5632 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:43] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:44:43] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:44:45] [INFO ] [Real]Absence check using state equation in 1907 ms returned sat
[2026-05-22 21:44:47] [INFO ] [Real]Added 9982 Read/Feed constraints in 1334 ms returned sat
[2026-05-22 21:44:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:47] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:44:47] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:44:49] [INFO ] [Nat]Absence check using state equation in 1993 ms returned sat
[2026-05-22 21:44:51] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1831 ms returned sat
[2026-05-22 21:44:52] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 433 ms.
[2026-05-22 21:44:54] [INFO ] Added : 11 causal constraints over 3 iterations in 2506 ms. Result :sat
Minimization took 5598 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:00] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:45:00] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:45:02] [INFO ] [Real]Absence check using state equation in 1964 ms returned sat
[2026-05-22 21:45:03] [INFO ] [Real]Added 9982 Read/Feed constraints in 1208 ms returned sat
[2026-05-22 21:45:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:04] [INFO ] [Nat]Absence check using 50 positive place invariants in 43 ms returned sat
[2026-05-22 21:45:04] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 21:45:06] [INFO ] [Nat]Absence check using state equation in 2004 ms returned sat
[2026-05-22 21:45:07] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1162 ms returned sat
[2026-05-22 21:45:07] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 440 ms.
[2026-05-22 21:45:09] [INFO ] Added : 6 causal constraints over 2 iterations in 2123 ms. Result :sat
Minimization took 5548 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:15] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:45:15] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:45:17] [INFO ] [Real]Absence check using state equation in 1961 ms returned sat
[2026-05-22 21:45:18] [INFO ] [Real]Added 9982 Read/Feed constraints in 1182 ms returned sat
[2026-05-22 21:45:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:19] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:45:19] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 21:45:21] [INFO ] [Nat]Absence check using state equation in 1974 ms returned sat
[2026-05-22 21:45:22] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1236 ms returned sat
[2026-05-22 21:45:23] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 450 ms.
[2026-05-22 21:45:24] [INFO ] Added : 6 causal constraints over 2 iterations in 2169 ms. Result :sat
Minimization took 5670 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:30] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:45:30] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:45:32] [INFO ] [Real]Absence check using state equation in 1949 ms returned sat
[2026-05-22 21:45:34] [INFO ] [Real]Added 9982 Read/Feed constraints in 1172 ms returned sat
[2026-05-22 21:45:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:34] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:45:34] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 21:45:36] [INFO ] [Nat]Absence check using state equation in 1963 ms returned sat
[2026-05-22 21:45:37] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1285 ms returned sat
[2026-05-22 21:45:38] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 429 ms.
[2026-05-22 21:45:40] [INFO ] Added : 6 causal constraints over 2 iterations in 2048 ms. Result :sat
Minimization took 5563 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:45] [INFO ] [Real]Absence check using 50 positive place invariants in 38 ms returned sat
[2026-05-22 21:45:45] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:45:47] [INFO ] [Real]Absence check using state equation in 1917 ms returned sat
[2026-05-22 21:45:49] [INFO ] [Real]Added 9982 Read/Feed constraints in 1147 ms returned sat
[2026-05-22 21:45:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:49] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:45:49] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:45:51] [INFO ] [Nat]Absence check using state equation in 1971 ms returned sat
[2026-05-22 21:45:52] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1336 ms returned sat
[2026-05-22 21:45:53] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 437 ms.
[2026-05-22 21:45:55] [INFO ] Added : 6 causal constraints over 2 iterations in 2124 ms. Result :sat
Minimization took 5611 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:46:01] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:46:01] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:46:03] [INFO ] [Real]Absence check using state equation in 1942 ms returned sat
[2026-05-22 21:46:04] [INFO ] [Real]Added 9982 Read/Feed constraints in 1160 ms returned sat
[2026-05-22 21:46:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:46:04] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:46:05] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:46:06] [INFO ] [Nat]Absence check using state equation in 1945 ms returned sat
[2026-05-22 21:46:08] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1059 ms returned sat
[2026-05-22 21:46:08] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 432 ms.
[2026-05-22 21:46:10] [INFO ] Added : 6 causal constraints over 2 iterations in 2030 ms. Result :sat
Minimization took 5613 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:46:16] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:46:16] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:46:18] [INFO ] [Real]Absence check using state equation in 1908 ms returned sat
[2026-05-22 21:46:19] [INFO ] [Real]Added 9982 Read/Feed constraints in 1545 ms returned sat
[2026-05-22 21:46:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:46:20] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:46:20] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:46:22] [INFO ] [Nat]Absence check using state equation in 1995 ms returned sat
[2026-05-22 21:46:24] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1986 ms returned sat
[2026-05-22 21:46:24] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 462 ms.
[2026-05-22 21:46:27] [INFO ] Added : 13 causal constraints over 3 iterations in 2569 ms. Result :sat
Minimization took 5627 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:46:32] [INFO ] [Real]Absence check using 50 positive place invariants in 38 ms returned sat
[2026-05-22 21:46:32] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:46:34] [INFO ] [Real]Absence check using state equation in 1935 ms returned sat
[2026-05-22 21:46:36] [INFO ] [Real]Added 9982 Read/Feed constraints in 1187 ms returned sat
[2026-05-22 21:46:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:46:36] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:46:36] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:46:38] [INFO ] [Nat]Absence check using state equation in 2019 ms returned sat
[2026-05-22 21:46:40] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1384 ms returned sat
[2026-05-22 21:46:40] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 447 ms.
[2026-05-22 21:46:42] [INFO ] Added : 8 causal constraints over 2 iterations in 2143 ms. Result :sat
Minimization took 5659 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:46:48] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:46:48] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:46:50] [INFO ] [Real]Absence check using state equation in 1944 ms returned sat
[2026-05-22 21:46:51] [INFO ] [Real]Added 9982 Read/Feed constraints in 1279 ms returned sat
[2026-05-22 21:46:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:46:52] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:46:52] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:46:54] [INFO ] [Nat]Absence check using state equation in 2006 ms returned sat
[2026-05-22 21:46:55] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1398 ms returned sat
[2026-05-22 21:46:56] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 436 ms.
[2026-05-22 21:46:58] [INFO ] Added : 9 causal constraints over 2 iterations in 2143 ms. Result :sat
Minimization took 5606 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:47:03] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:47:04] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:47:05] [INFO ] [Real]Absence check using state equation in 1911 ms returned sat
[2026-05-22 21:47:07] [INFO ] [Real]Added 9982 Read/Feed constraints in 1500 ms returned sat
[2026-05-22 21:47:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:47:08] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:47:08] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 22 ms returned sat
[2026-05-22 21:47:10] [INFO ] [Nat]Absence check using state equation in 1946 ms returned sat
[2026-05-22 21:47:11] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1548 ms returned sat
[2026-05-22 21:47:12] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 426 ms.
[2026-05-22 21:47:13] [INFO ] Added : 10 causal constraints over 2 iterations in 2140 ms. Result :sat
Minimization took 5765 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Support contains 16 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Applied a total of 0 rules in 386 ms. Remains 2808 /2808 variables (removed 0) and now considering 10159/10159 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 386 ms. Remains : 2808/2808 places, 10159/10159 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Applied a total of 0 rules in 376 ms. Remains 2808 /2808 variables (removed 0) and now considering 10159/10159 (removed 0) transitions.
[2026-05-22 21:47:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:47:23] [INFO ] Implicit Places using invariants in 3529 ms returned []
Implicit Place search using SMT only with invariants took 3532 ms to find 0 implicit places.
Running 10109 sub problems to find dead transitions.
[2026-05-22 21:47:24] [INFO ] Invariant cache hit.
[2026-05-22 21:47:24] [INFO ] State equation strengthened by 9982 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2807 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10109 unsolved
SMT process timed out in 40609ms, After SMT, problems are : Problem set: 0 solved, 10109 unsolved
Search for dead transitions found 0 dead transitions in 40665ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44622 ms. Remains : 2808/2808 places, 10159/10159 transitions.
[2026-05-22 21:48:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
RANDOM walk for 1000000 steps (4345 resets) in 14565 ms. (68 steps per ms)
BEST_FIRST walk for 16000016 steps (1112 resets) in 23100 ms. (692 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
[2026-05-22 21:48:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:48:42] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:48:42] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:48:44] [INFO ] [Real]Absence check using state equation in 1976 ms returned sat
[2026-05-22 21:48:44] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 21:48:46] [INFO ] [Real]Added 9982 Read/Feed constraints in 1183 ms returned sat
[2026-05-22 21:48:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:48:46] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:48:46] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:48:48] [INFO ] [Nat]Absence check using state equation in 1984 ms returned sat
[2026-05-22 21:48:49] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1225 ms returned sat
[2026-05-22 21:48:50] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 445 ms.
[2026-05-22 21:48:52] [INFO ] Added : 6 causal constraints over 2 iterations in 2125 ms. Result :sat
Minimization took 5867 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:48:58] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:48:58] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:49:00] [INFO ] [Real]Absence check using state equation in 1944 ms returned sat
[2026-05-22 21:49:01] [INFO ] [Real]Added 9982 Read/Feed constraints in 1188 ms returned sat
[2026-05-22 21:49:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:02] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:49:02] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:49:04] [INFO ] [Nat]Absence check using state equation in 1936 ms returned sat
[2026-05-22 21:49:05] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1478 ms returned sat
[2026-05-22 21:49:06] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 464 ms.
[2026-05-22 21:49:07] [INFO ] Added : 9 causal constraints over 2 iterations in 2163 ms. Result :sat
Minimization took 5720 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:13] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:49:13] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:49:15] [INFO ] [Real]Absence check using state equation in 1954 ms returned sat
[2026-05-22 21:49:17] [INFO ] [Real]Added 9982 Read/Feed constraints in 1581 ms returned sat
[2026-05-22 21:49:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:18] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:49:18] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:49:20] [INFO ] [Nat]Absence check using state equation in 1924 ms returned sat
[2026-05-22 21:49:21] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1676 ms returned sat
[2026-05-22 21:49:22] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 438 ms.
[2026-05-22 21:49:24] [INFO ] Added : 10 causal constraints over 2 iterations in 2147 ms. Result :sat
Minimization took 5702 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:30] [INFO ] [Real]Absence check using 50 positive place invariants in 43 ms returned sat
[2026-05-22 21:49:30] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:49:32] [INFO ] [Real]Absence check using state equation in 1937 ms returned sat
[2026-05-22 21:49:33] [INFO ] [Real]Added 9982 Read/Feed constraints in 1510 ms returned sat
[2026-05-22 21:49:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:34] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:49:34] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 21:49:36] [INFO ] [Nat]Absence check using state equation in 2002 ms returned sat
[2026-05-22 21:49:37] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1749 ms returned sat
[2026-05-22 21:49:38] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 454 ms.
[2026-05-22 21:49:40] [INFO ] Added : 8 causal constraints over 2 iterations in 2116 ms. Result :sat
Minimization took 5711 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:46] [INFO ] [Real]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 21:49:46] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:49:48] [INFO ] [Real]Absence check using state equation in 1934 ms returned sat
[2026-05-22 21:49:49] [INFO ] [Real]Added 9982 Read/Feed constraints in 1111 ms returned sat
[2026-05-22 21:49:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:50] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:49:50] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:49:51] [INFO ] [Nat]Absence check using state equation in 1946 ms returned sat
[2026-05-22 21:49:53] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1312 ms returned sat
[2026-05-22 21:49:53] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 434 ms.
[2026-05-22 21:49:55] [INFO ] Added : 7 causal constraints over 2 iterations in 2110 ms. Result :sat
Minimization took 5705 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:50:01] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:50:01] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 28 ms returned sat
[2026-05-22 21:50:03] [INFO ] [Real]Absence check using state equation in 1960 ms returned sat
[2026-05-22 21:50:05] [INFO ] [Real]Added 9982 Read/Feed constraints in 2026 ms returned sat
[2026-05-22 21:50:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:50:06] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:50:06] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:50:08] [INFO ] [Nat]Absence check using state equation in 1979 ms returned sat
[2026-05-22 21:50:09] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1647 ms returned sat
[2026-05-22 21:50:10] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 440 ms.
[2026-05-22 21:50:12] [INFO ] Added : 8 causal constraints over 2 iterations in 2135 ms. Result :sat
Minimization took 5703 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:50:18] [INFO ] [Real]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:50:18] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:50:20] [INFO ] [Real]Absence check using state equation in 1876 ms returned sat
[2026-05-22 21:50:21] [INFO ] [Real]Added 9982 Read/Feed constraints in 1352 ms returned sat
[2026-05-22 21:50:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:50:22] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:50:22] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:50:24] [INFO ] [Nat]Absence check using state equation in 1978 ms returned sat
[2026-05-22 21:50:25] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1812 ms returned sat
[2026-05-22 21:50:26] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 435 ms.
[2026-05-22 21:50:28] [INFO ] Added : 11 causal constraints over 3 iterations in 2565 ms. Result :sat
Minimization took 5741 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:50:34] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:50:34] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:50:36] [INFO ] [Real]Absence check using state equation in 1920 ms returned sat
[2026-05-22 21:50:38] [INFO ] [Real]Added 9982 Read/Feed constraints in 1203 ms returned sat
[2026-05-22 21:50:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:50:38] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:50:38] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:50:40] [INFO ] [Nat]Absence check using state equation in 1988 ms returned sat
[2026-05-22 21:50:41] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1173 ms returned sat
[2026-05-22 21:50:42] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 445 ms.
[2026-05-22 21:50:44] [INFO ] Added : 6 causal constraints over 2 iterations in 2149 ms. Result :sat
Minimization took 5674 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:50:50] [INFO ] [Real]Absence check using 50 positive place invariants in 38 ms returned sat
[2026-05-22 21:50:50] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:50:51] [INFO ] [Real]Absence check using state equation in 1944 ms returned sat
[2026-05-22 21:50:53] [INFO ] [Real]Added 9982 Read/Feed constraints in 1190 ms returned sat
[2026-05-22 21:50:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:50:53] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:50:53] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:50:55] [INFO ] [Nat]Absence check using state equation in 1982 ms returned sat
[2026-05-22 21:50:57] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1246 ms returned sat
[2026-05-22 21:50:57] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 429 ms.
[2026-05-22 21:50:59] [INFO ] Added : 6 causal constraints over 2 iterations in 2172 ms. Result :sat
Minimization took 5788 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:05] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:51:05] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 26 ms returned sat
[2026-05-22 21:51:07] [INFO ] [Real]Absence check using state equation in 1949 ms returned sat
[2026-05-22 21:51:08] [INFO ] [Real]Added 9982 Read/Feed constraints in 1185 ms returned sat
[2026-05-22 21:51:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:09] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:51:09] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:51:11] [INFO ] [Nat]Absence check using state equation in 1986 ms returned sat
[2026-05-22 21:51:12] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1305 ms returned sat
[2026-05-22 21:51:13] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 475 ms.
[2026-05-22 21:51:14] [INFO ] Added : 6 causal constraints over 2 iterations in 2141 ms. Result :sat
Minimization took 5728 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:21] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:51:21] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:51:22] [INFO ] [Real]Absence check using state equation in 1957 ms returned sat
[2026-05-22 21:51:24] [INFO ] [Real]Added 9982 Read/Feed constraints in 1173 ms returned sat
[2026-05-22 21:51:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:24] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:51:24] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:51:26] [INFO ] [Nat]Absence check using state equation in 1949 ms returned sat
[2026-05-22 21:51:28] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1355 ms returned sat
[2026-05-22 21:51:28] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 440 ms.
[2026-05-22 21:51:30] [INFO ] Added : 6 causal constraints over 2 iterations in 2162 ms. Result :sat
Minimization took 5786 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:36] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:51:36] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:51:38] [INFO ] [Real]Absence check using state equation in 1983 ms returned sat
[2026-05-22 21:51:40] [INFO ] [Real]Added 9982 Read/Feed constraints in 1199 ms returned sat
[2026-05-22 21:51:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:40] [INFO ] [Nat]Absence check using 50 positive place invariants in 51 ms returned sat
[2026-05-22 21:51:40] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 26 ms returned sat
[2026-05-22 21:51:42] [INFO ] [Nat]Absence check using state equation in 1951 ms returned sat
[2026-05-22 21:51:43] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1102 ms returned sat
[2026-05-22 21:51:44] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 431 ms.
[2026-05-22 21:51:45] [INFO ] Added : 6 causal constraints over 2 iterations in 2131 ms. Result :sat
Minimization took 5799 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:51] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:51:52] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:51:53] [INFO ] [Real]Absence check using state equation in 1937 ms returned sat
[2026-05-22 21:51:55] [INFO ] [Real]Added 9982 Read/Feed constraints in 1528 ms returned sat
[2026-05-22 21:51:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:56] [INFO ] [Nat]Absence check using 50 positive place invariants in 43 ms returned sat
[2026-05-22 21:51:56] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 24 ms returned sat
[2026-05-22 21:51:58] [INFO ] [Nat]Absence check using state equation in 2007 ms returned sat
[2026-05-22 21:52:00] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1990 ms returned sat
[2026-05-22 21:52:00] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 440 ms.
[2026-05-22 21:52:02] [INFO ] Added : 13 causal constraints over 3 iterations in 2584 ms. Result :sat
Minimization took 5743 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:52:08] [INFO ] [Real]Absence check using 50 positive place invariants in 38 ms returned sat
[2026-05-22 21:52:08] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:52:10] [INFO ] [Real]Absence check using state equation in 1953 ms returned sat
[2026-05-22 21:52:12] [INFO ] [Real]Added 9982 Read/Feed constraints in 1180 ms returned sat
[2026-05-22 21:52:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:52:12] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:52:12] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:52:14] [INFO ] [Nat]Absence check using state equation in 1984 ms returned sat
[2026-05-22 21:52:16] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1368 ms returned sat
[2026-05-22 21:52:16] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 448 ms.
[2026-05-22 21:52:18] [INFO ] Added : 8 causal constraints over 2 iterations in 2174 ms. Result :sat
Minimization took 5785 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:52:24] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:52:24] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 27 ms returned sat
[2026-05-22 21:52:26] [INFO ] [Real]Absence check using state equation in 1888 ms returned sat
[2026-05-22 21:52:27] [INFO ] [Real]Added 9982 Read/Feed constraints in 1244 ms returned sat
[2026-05-22 21:52:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:52:28] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:52:28] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:52:30] [INFO ] [Nat]Absence check using state equation in 1979 ms returned sat
[2026-05-22 21:52:31] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1396 ms returned sat
[2026-05-22 21:52:32] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 433 ms.
[2026-05-22 21:52:34] [INFO ] Added : 9 causal constraints over 2 iterations in 2116 ms. Result :sat
Minimization took 5742 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:52:40] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:52:40] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:52:42] [INFO ] [Real]Absence check using state equation in 1933 ms returned sat
[2026-05-22 21:52:43] [INFO ] [Real]Added 9982 Read/Feed constraints in 1499 ms returned sat
[2026-05-22 21:52:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:52:44] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:52:44] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:52:46] [INFO ] [Nat]Absence check using state equation in 1986 ms returned sat
[2026-05-22 21:52:47] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1574 ms returned sat
[2026-05-22 21:52:48] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 452 ms.
[2026-05-22 21:52:50] [INFO ] Added : 10 causal constraints over 2 iterations in 2161 ms. Result :sat
Minimization took 5765 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Support contains 16 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Applied a total of 0 rules in 378 ms. Remains 2808 /2808 variables (removed 0) and now considering 10159/10159 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 378 ms. Remains : 2808/2808 places, 10159/10159 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Applied a total of 0 rules in 364 ms. Remains 2808 /2808 variables (removed 0) and now considering 10159/10159 (removed 0) transitions.
[2026-05-22 21:52:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:53:00] [INFO ] Implicit Places using invariants in 3689 ms returned []
Implicit Place search using SMT only with invariants took 3690 ms to find 0 implicit places.
Running 10109 sub problems to find dead transitions.
[2026-05-22 21:53:00] [INFO ] Invariant cache hit.
[2026-05-22 21:53:00] [INFO ] State equation strengthened by 9982 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2807 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10109 unsolved
SMT process timed out in 39777ms, After SMT, problems are : Problem set: 0 solved, 10109 unsolved
Search for dead transitions found 0 dead transitions in 39802ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43876 ms. Remains : 2808/2808 places, 10159/10159 transitions.
RANDOM walk for 40000 steps (171 resets) in 2239 ms. (17 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 32/32 properties
[2026-05-22 21:53:41] [INFO ] Flatten gal took : 563 ms
[2026-05-22 21:53:41] [INFO ] Flatten gal took : 428 ms
[2026-05-22 21:53:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6509480669121647796.gal : 103 ms
[2026-05-22 21:53:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6919669842670222409.prop : 5 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/ReachabilityCardinality6509480669121647796.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6919669842670222409.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/ReachabilityCardinality6919669842670222409.prop.
Interrupted probabilistic random walk after 65283 steps, run timeout after 3001 ms. (steps per millisecond=21 ) properties seen :0 out of 32
Probabilistic random walk after 65283 steps, saw 26784 distinct states, run finished after 3005 ms. (steps per millisecond=21 ) properties seen :0
[2026-05-22 21:53:44] [INFO ] Invariant cache hit.
[2026-05-22 21:53:44] [INFO ] State equation strengthened by 9982 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (OVERLAPS) 2690/2706 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:44] [INFO ] Deduced a trap composed of 2 places in 95 ms of which 8 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
Problem MAX6 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MAX9 is UNSAT
Problem MAX10 is UNSAT
Problem MAX11 is UNSAT
Problem MAX12 is UNSAT
Problem MAX13 is UNSAT
Problem MAX14 is UNSAT
Problem MAX15 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/2706 variables, 1/2 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2706 variables, 0/2 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 98/2804 variables, 49/51 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2804 variables, 0/51 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 2/2806 variables, 2/53 constraints. Problems are: Problem set: 16 solved, 16 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2806/12967 variables, and 53 constraints, problems are : Problem set: 16 solved, 16 unsolved in 5018 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/2808 constraints, ReadFeed: 0/9982 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 16 solved, 16 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 2690/2706 variables, 1/1 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2706 variables, 1/2 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2706 variables, 0/2 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 98/2804 variables, 49/51 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2804 variables, 0/51 constraints. Problems are: Problem set: 16 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 2/2806 variables, 2/53 constraints. Problems are: Problem set: 16 solved, 16 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:55] [INFO ] Deduced a trap composed of 54 places in 2728 ms of which 213 ms to minimize.
SMT process timed out in 10968ms, After SMT, problems are : Problem set: 16 solved, 16 unsolved
Fused 16 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 16 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Applied a total of 0 rules in 370 ms. Remains 2808 /2808 variables (removed 0) and now considering 10159/10159 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 372 ms. Remains : 2808/2808 places, 10159/10159 transitions.
RANDOM walk for 40000 steps (172 resets) in 1497 ms. (26 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
Interrupted probabilistic random walk after 72142 steps, run timeout after 3001 ms. (steps per millisecond=24 ) properties seen :0 out of 16
Probabilistic random walk after 72142 steps, saw 27631 distinct states, run finished after 3001 ms. (steps per millisecond=24 ) properties seen :0
[2026-05-22 21:53:59] [INFO ] Invariant cache hit.
[2026-05-22 21:53:59] [INFO ] State equation strengthened by 9982 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 2690/2706 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:59] [INFO ] Deduced a trap composed of 2 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:59] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2706 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2706 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (OVERLAPS) 98/2804 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2804 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (OVERLAPS) 2/2806 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:07] [INFO ] Deduced a trap composed of 55 places in 2588 ms of which 198 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:09] [INFO ] Deduced a trap composed of 54 places in 2562 ms of which 202 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:12] [INFO ] Deduced a trap composed of 55 places in 2567 ms of which 194 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:14] [INFO ] Deduced a trap composed of 55 places in 2372 ms of which 197 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:17] [INFO ] Deduced a trap composed of 55 places in 2378 ms of which 202 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:19] [INFO ] Deduced a trap composed of 55 places in 2212 ms of which 195 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:21] [INFO ] Deduced a trap composed of 55 places in 2193 ms of which 188 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:23] [INFO ] Deduced a trap composed of 55 places in 2141 ms of which 188 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:25] [INFO ] Deduced a trap composed of 55 places in 1993 ms of which 184 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:27] [INFO ] Deduced a trap composed of 55 places in 1978 ms of which 179 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:29] [INFO ] Deduced a trap composed of 55 places in 1897 ms of which 172 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:31] [INFO ] Deduced a trap composed of 55 places in 1761 ms of which 166 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 21:54:32] [INFO ] Flatten gal took : 229 ms
[2026-05-22 21:54:32] [INFO ] Applying decomposition
[2026-05-22 21:54:32] [INFO ] Flatten gal took : 206 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/graph17348117985739102273.txt' '-o' '/tmp/graph17348117985739102273.bin' '-w' '/tmp/graph17348117985739102273.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17348117985739102273.bin' '-l' '-1' '-v' '-w' '/tmp/graph17348117985739102273.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:54:33] [INFO ] Decomposing Gal with order
[2026-05-22 21:54:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:54:33] [INFO ] Deduced a trap composed of 55 places in 1783 ms of which 162 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:34] [INFO ] Removed a total of 7676 redundant transitions.
[2026-05-22 21:54:34] [INFO ] Flatten gal took : 1110 ms
[2026-05-22 21:54:35] [INFO ] Deduced a trap composed of 55 places in 1703 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 8338 labels/synchronizations in 680 ms.
[2026-05-22 21:54:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9854824540141526347.gal : 72 ms
[2026-05-22 21:54:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2058585924988310171.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/ReachabilityCardinality9854824540141526347.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2058585924988310171.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 ...307
[2026-05-22 21:54:36] [INFO ] Deduced a trap composed of 55 places in 1508 ms of which 45 ms to minimize.
Loading property file /tmp/ReachabilityCardinality2058585924988310171.prop.
At refinement iteration 7 (INCLUDED_ONLY) 0/2806 variables, 15/69 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2806 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 16 unsolved
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 3824
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 4096
SDD size :3824 after 3824
SDD proceeding with computation,16 properties remain. new max is 8192
SDD size :3824 after 3901
SDD proceeding with computation,16 properties remain. new max is 16384
SDD size :3901 after 3937
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10159/12965 variables, 2806/2875 constraints. Problems are: Problem set: 0 solved, 16 unsolved
SMT process timed out in 45069ms, After SMT, problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 16 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Applied a total of 0 rules in 367 ms. Remains 2808 /2808 variables (removed 0) and now considering 10159/10159 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 367 ms. Remains : 2808/2808 places, 10159/10159 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Applied a total of 0 rules in 368 ms. Remains 2808 /2808 variables (removed 0) and now considering 10159/10159 (removed 0) transitions.
[2026-05-22 21:54:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :3937 after 968465
[2026-05-22 21:54:48] [INFO ] Implicit Places using invariants in 3546 ms returned []
Implicit Place search using SMT only with invariants took 3547 ms to find 0 implicit places.
Running 10109 sub problems to find dead transitions.
[2026-05-22 21:54:48] [INFO ] Invariant cache hit.
[2026-05-22 21:54:48] [INFO ] State equation strengthened by 9982 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/2807 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10109 unsolved
SMT process timed out in 40057ms, After SMT, problems are : Problem set: 0 solved, 10109 unsolved
Search for dead transitions found 0 dead transitions in 40084ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44020 ms. Remains : 2808/2808 places, 10159/10159 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50, 50]
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-00
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:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
[2026-05-22 21:55:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 139 ms. (71 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 21:55:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:55:28] [INFO ] [Real]Absence check using 50 positive place invariants in 38 ms returned sat
[2026-05-22 21:55:29] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 32 ms returned sat
[2026-05-22 21:55:30] [INFO ] [Real]Absence check using state equation in 1912 ms returned sat
[2026-05-22 21:55:31] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 21:55:32] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 21:55:32] [INFO ] [Real]Added 9982 Read/Feed constraints in 1452 ms returned sat
[2026-05-22 21:55:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:55:33] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:55:33] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:55:35] [INFO ] [Nat]Absence check using state equation in 1956 ms returned sat
[2026-05-22 21:55:36] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 21:55:36] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1449 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 1349 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1349 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 21:55:38] [INFO ] Computed 52 invariants in 321 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4348 resets) in 14205 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (67 resets) in 1488 ms. (671 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 21:55:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:55:54] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:55:54] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:55:56] [INFO ] [Real]Absence check using state equation in 1971 ms returned sat
[2026-05-22 21:55:56] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 21:55:57] [INFO ] [Real]Added 10002 Read/Feed constraints in 1292 ms returned sat
[2026-05-22 21:55:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:55:58] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:55:58] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 21:56:00] [INFO ] [Nat]Absence check using state equation in 1955 ms returned sat
[2026-05-22 21:56:01] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1362 ms returned sat
[2026-05-22 21:56:02] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 431 ms.
[2026-05-22 21:56:03] [INFO ] Added : 7 causal constraints over 2 iterations in 2165 ms. Result :sat
Minimization took 5878 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 371 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 371 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 366 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 21:56:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:56:13] [INFO ] Implicit Places using invariants in 3499 ms returned []
Implicit Place search using SMT only with invariants took 3499 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 21:56:14] [INFO ] Invariant cache hit.
[2026-05-22 21:56:14] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 39840ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 39858ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43743 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 21:56:54] [INFO ] Flatten gal took : 260 ms
RANDOM walk for 40000 steps (173 resets) in 1380 ms. (28 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 2/2 properties
[2026-05-22 21:56:54] [INFO ] Flatten gal took : 220 ms
[2026-05-22 21:56:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12730258162583556854.gal : 36 ms
[2026-05-22 21:56:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15202124903193073922.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/ReachabilityCardinality12730258162583556854.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15202124903193073922.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
Loading property file /tmp/ReachabilityCardinality15202124903193073922.prop.
Interrupted probabilistic random walk after 81192 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 81192 steps, saw 28643 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 21:56:57] [INFO ] Invariant cache hit.
[2026-05-22 21:56:57] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:57] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 3 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:57] [INFO ] Deduced a trap composed of 2 places in 64 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:01] [INFO ] Deduced a trap composed of 54 places in 2904 ms of which 210 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:03] [INFO ] Deduced a trap composed of 55 places in 2632 ms of which 195 ms to minimize.
SMT process timed out in 6483ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 371 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 371 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (171 resets) in 747 ms. (53 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 83512 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 1
Probabilistic random walk after 83512 steps, saw 28978 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 21:57:07] [INFO ] Invariant cache hit.
[2026-05-22 21:57:07] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:07] [INFO ] Deduced a trap composed of 2 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:07] [INFO ] Deduced a trap composed of 2 places in 59 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:11] [INFO ] Deduced a trap composed of 54 places in 2920 ms of which 280 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:13] [INFO ] Deduced a trap composed of 55 places in 2649 ms of which 201 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:16] [INFO ] Deduced a trap composed of 55 places in 2523 ms of which 194 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:18] [INFO ] Deduced a trap composed of 55 places in 2458 ms of which 186 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:21] [INFO ] Deduced a trap composed of 55 places in 2402 ms of which 188 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:23] [INFO ] Deduced a trap composed of 55 places in 2292 ms of which 184 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:25] [INFO ] Deduced a trap composed of 55 places in 2144 ms of which 184 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:28] [INFO ] Deduced a trap composed of 55 places in 2212 ms of which 182 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:30] [INFO ] Deduced a trap composed of 55 places in 2155 ms of which 187 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:32] [INFO ] Deduced a trap composed of 55 places in 2028 ms of which 181 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:34] [INFO ] Deduced a trap composed of 55 places in 1991 ms of which 175 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:36] [INFO ] Deduced a trap composed of 55 places in 1897 ms of which 171 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:38] [INFO ] Deduced a trap composed of 55 places in 1742 ms of which 165 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:39] [INFO ] Deduced a trap composed of 55 places in 1721 ms of which 161 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:41] [INFO ] Deduced a trap composed of 55 places in 1592 ms of which 160 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:43] [INFO ] Deduced a trap composed of 55 places in 1639 ms of which 170 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 21:57:44] [INFO ] Flatten gal took : 179 ms
[2026-05-22 21:57:44] [INFO ] Applying decomposition
[2026-05-22 21:57:44] [INFO ] Deduced a trap composed of 55 places in 1556 ms of which 148 ms to minimize.
[2026-05-22 21:57:44] [INFO ] Flatten gal took : 185 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 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/graph17663889797074655153.txt' '-o' '/tmp/graph17663889797074655153.bin' '-w' '/tmp/graph17663889797074655153.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17663889797074655153.bin' '-l' '-1' '-v' '-w' '/tmp/graph17663889797074655153.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:57:45] [INFO ] Decomposing Gal with order
[2026-05-22 21:57:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:57:46] [INFO ] Removed a total of 7699 redundant transitions.
[2026-05-22 21:57:46] [INFO ] Flatten gal took : 656 ms
[2026-05-22 21:57:46] [INFO ] Deduced a trap composed of 55 places in 1505 ms of which 149 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 9752 labels/synchronizations in 531 ms.
[2026-05-22 21:57:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality147718022806149070.gal : 63 ms
[2026-05-22 21:57:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality373833267979317965.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/ReachabilityCardinality147718022806149070.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality373833267979317965.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 ...305
[2026-05-22 21:57:47] [INFO ] Deduced a trap composed of 55 places in 1434 ms of which 141 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality373833267979317965.prop.
[2026-05-22 21:57:49] [INFO ] Deduced a trap composed of 55 places in 1394 ms of which 160 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:50] [INFO ] Deduced a trap composed of 55 places in 1357 ms of which 131 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7010
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7010 after 7010
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :7010 after 7086
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :7086 after 7135
[2026-05-22 21:57:51] [INFO ] Deduced a trap composed of 55 places in 1192 ms of which 127 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:53] [INFO ] Deduced a trap composed of 55 places in 1186 ms of which 122 ms to minimize.
SMT process timed out in 45761ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 469 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 469 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 366 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 21:57:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:57:57] [INFO ] Implicit Places using invariants in 3506 ms returned []
Implicit Place search using SMT only with invariants took 3512 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 21:57:57] [INFO ] Invariant cache hit.
[2026-05-22 21:57:57] [INFO ] State equation strengthened by 10002 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7135 after 25633
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40103ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40122ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44022 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-00 in 189168 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 21:58:38] [INFO ] Computed 52 invariants in 433 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 141 ms. (70 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 21:58:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:58:38] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 21:58:38] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:58:40] [INFO ] [Real]Absence check using state equation in 1936 ms returned sat
[2026-05-22 21:58:40] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 21:58:41] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 21:58:42] [INFO ] [Real]Added 9982 Read/Feed constraints in 1446 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 1349 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1350 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 21:58:43] [INFO ] Computed 52 invariants in 314 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4356 resets) in 14089 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (68 resets) in 1404 ms. (711 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 21:58:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:58:59] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 21:58:59] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 21:59:01] [INFO ] [Real]Absence check using state equation in 2044 ms returned sat
[2026-05-22 21:59:01] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 21:59:03] [INFO ] [Real]Added 10002 Read/Feed constraints in 1333 ms returned sat
[2026-05-22 21:59:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:59:03] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 21:59:03] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 27 ms returned sat
[2026-05-22 21:59:05] [INFO ] [Nat]Absence check using state equation in 2025 ms returned sat
[2026-05-22 21:59:07] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1471 ms returned sat
[2026-05-22 21:59:07] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 435 ms.
[2026-05-22 21:59:09] [INFO ] Added : 7 causal constraints over 2 iterations in 2258 ms. Result :sat
Minimization took 5830 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 415 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 415 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 365 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 21:59:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:59:19] [INFO ] Implicit Places using invariants in 3485 ms returned []
Implicit Place search using SMT only with invariants took 3486 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 21:59:19] [INFO ] Invariant cache hit.
[2026-05-22 21:59:19] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 39925ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 39944ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43814 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (173 resets) in 1286 ms. (31 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 2/2 properties
[2026-05-22 22:00:00] [INFO ] Flatten gal took : 382 ms
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 2/2 properties
[2026-05-22 22:00:00] [INFO ] Flatten gal took : 217 ms
[2026-05-22 22:00:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1942536658936998476.gal : 36 ms
[2026-05-22 22:00:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11348915200344429779.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/ReachabilityCardinality1942536658936998476.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11348915200344429779.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/ReachabilityCardinality11348915200344429779.prop.
Interrupted probabilistic random walk after 76170 steps, run timeout after 3001 ms. (steps per millisecond=25 ) properties seen :0 out of 2
Probabilistic random walk after 76170 steps, saw 28113 distinct states, run finished after 3001 ms. (steps per millisecond=25 ) properties seen :0
[2026-05-22 22:00:03] [INFO ] Invariant cache hit.
[2026-05-22 22:00:03] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:03] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 3 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:03] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:07] [INFO ] Deduced a trap composed of 54 places in 2830 ms of which 209 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12952/12954 variables, and 2855 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5012 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2800/2802 constraints, ReadFeed: 0/10002 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:11] [INFO ] Deduced a trap composed of 54 places in 2855 ms of which 209 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:14] [INFO ] Deduced a trap composed of 55 places in 2673 ms of which 195 ms to minimize.
SMT process timed out in 11041ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 360 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 360 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (172 resets) in 950 ms. (42 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 85026 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 1
Probabilistic random walk after 85026 steps, saw 29200 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 22:00:18] [INFO ] Invariant cache hit.
[2026-05-22 22:00:18] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:18] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:18] [INFO ] Deduced a trap composed of 2 places in 70 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:21] [INFO ] Deduced a trap composed of 54 places in 2832 ms of which 208 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12954 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12954/12954 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 8918 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:30] [INFO ] Deduced a trap composed of 54 places in 2838 ms of which 210 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:32] [INFO ] Deduced a trap composed of 55 places in 2700 ms of which 197 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 2/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2800 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10152/12952 variables, 2800/2857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 10002/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 1/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12952 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/12954 variables, 2/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/12954 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/12954 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12862 constraints, problems are : Problem set: 0 solved, 1 unsolved in 14608 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23563ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 85 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 368 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 368 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 370 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:00:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:00:46] [INFO ] Implicit Places using invariants in 3632 ms returned []
Implicit Place search using SMT only with invariants took 3632 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:00:46] [INFO ] Invariant cache hit.
[2026-05-22 22:00:46] [INFO ] State equation strengthened by 10002 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-22 22:00:50] [INFO ] Flatten gal took : 270 ms
[2026-05-22 22:00:50] [INFO ] Applying decomposition
[2026-05-22 22:00:51] [INFO ] Flatten gal took : 184 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/graph17927255146371764696.txt' '-o' '/tmp/graph17927255146371764696.bin' '-w' '/tmp/graph17927255146371764696.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17927255146371764696.bin' '-l' '-1' '-v' '-w' '/tmp/graph17927255146371764696.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:00:51] [INFO ] Decomposing Gal with order
[2026-05-22 22:00:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:00:52] [INFO ] Removed a total of 7695 redundant transitions.
[2026-05-22 22:00:52] [INFO ] Flatten gal took : 704 ms
[2026-05-22 22:00:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 9364 labels/synchronizations in 530 ms.
[2026-05-22 22:00:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16902144626643007008.gal : 48 ms
[2026-05-22 22:00:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4736077362656830809.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/ReachabilityCardinality16902144626643007008.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4736077362656830809.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/ReachabilityCardinality4736077362656830809.prop.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 142
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :142 after 142
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :142 after 185
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :185 after 40350
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(s2026 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40195ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40212ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44231 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9849 edges and 2802 vertex of which 2598 / 2802 are part of one of the 2 SCC in 17 ms
Free SCC test removed 2596 places
Drop transitions (Empty/Sink Transition effects.) removed 7401 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9943 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.0 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 51 ms. Remains 4 /2802 variables (removed 2798) and now considering 5/10152 (removed 10147) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:01:26] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:01:26] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:01:26] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:01:26] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:01:26] [INFO ] After 24ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:01:26] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:01:26] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:01:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15404054615816047827.gal : 1 ms
[2026-05-22 22:01:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1918432596678744328.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/ReachabilityCardinality15404054615816047827.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1918432596678744328.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/ReachabilityCardinality1918432596678744328.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.00277,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.003216,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 181 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-01 in 168802 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:01:26] [INFO ] Computed 52 invariants in 300 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (44 resets) in 145 ms. (68 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:01:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:01:27] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:01:27] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:01:29] [INFO ] [Real]Absence check using state equation in 1901 ms returned sat
[2026-05-22 22:01:29] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:01:30] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:01:30] [INFO ] [Real]Added 9982 Read/Feed constraints in 1421 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 2803 transition count 10154
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 11 place count 2803 transition count 10153
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 21 place count 2803 transition count 10153
Applied a total of 21 rules in 1613 ms. Remains 2803 /2808 variables (removed 5) and now considering 10153/10159 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1613 ms. Remains : 2803/2808 places, 10153/10159 transitions.
// Phase 1: matrix 10153 rows 2803 cols
[2026-05-22 22:01:32] [INFO ] Computed 52 invariants in 313 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4352 resets) in 14227 ms. (70 steps per ms)
BEST_FIRST walk for 1000000 steps (70 resets) in 1410 ms. (708 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:01:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:01:48] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:01:48] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 31 ms returned sat
[2026-05-22 22:01:50] [INFO ] [Real]Absence check using state equation in 1998 ms returned sat
[2026-05-22 22:01:50] [INFO ] State equation strengthened by 10001 read => feed constraints.
[2026-05-22 22:01:52] [INFO ] [Real]Added 10001 Read/Feed constraints in 1099 ms returned sat
[2026-05-22 22:01:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:01:52] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:01:52] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 29 ms returned sat
[2026-05-22 22:01:54] [INFO ] [Nat]Absence check using state equation in 1987 ms returned sat
[2026-05-22 22:01:56] [INFO ] [Nat]Added 10001 Read/Feed constraints in 1893 ms returned sat
[2026-05-22 22:01:57] [INFO ] Computed and/alt/rep : 7359/19569/7359 causal constraints (skipped 2744 transitions) in 440 ms.
[2026-05-22 22:01:59] [INFO ] Added : 11 causal constraints over 3 iterations in 2611 ms. Result :sat
Minimization took 5833 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 603 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 603 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 540 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
[2026-05-22 22:02:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:02:09] [INFO ] Implicit Places using invariants in 3477 ms returned []
Implicit Place search using SMT only with invariants took 3477 ms to find 0 implicit places.
Running 10103 sub problems to find dead transitions.
[2026-05-22 22:02:09] [INFO ] Invariant cache hit.
[2026-05-22 22:02:09] [INFO ] State equation strengthened by 10001 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10103 unsolved
SMT process timed out in 40026ms, After SMT, problems are : Problem set: 0 solved, 10103 unsolved
Search for dead transitions found 0 dead transitions in 40043ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44076 ms. Remains : 2803/2803 places, 10153/10153 transitions.
[2026-05-22 22:02:49] [INFO ] Flatten gal took : 181 ms
RANDOM walk for 40000 steps (172 resets) in 842 ms. (47 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 2/2 properties
[2026-05-22 22:02:50] [INFO ] Flatten gal took : 185 ms
[2026-05-22 22:02:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17109547434051938303.gal : 32 ms
[2026-05-22 22:02:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7956725265384674524.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/ReachabilityCardinality17109547434051938303.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7956725265384674524.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/ReachabilityCardinality7956725265384674524.prop.
Interrupted probabilistic random walk after 81504 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 81504 steps, saw 28678 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:02:53] [INFO ] Invariant cache hit.
[2026-05-22 22:02:53] [INFO ] State equation strengthened by 10001 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) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:53] [INFO ] Deduced a trap composed of 2 places in 71 ms of which 3 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:53] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:56] [INFO ] Deduced a trap composed of 54 places in 2850 ms of which 210 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2801 variables, 0/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12954/12956 variables, and 2856 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2801/2803 constraints, ReadFeed: 0/10001 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:01] [INFO ] Deduced a trap composed of 54 places in 2817 ms of which 209 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:03] [INFO ] Deduced a trap composed of 55 places in 2601 ms of which 186 ms to minimize.
SMT process timed out in 10918ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 507 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 508 ms. Remains : 2803/2803 places, 10153/10153 transitions.
RANDOM walk for 40000 steps (173 resets) in 1000 ms. (39 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 84958 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 1
Probabilistic random walk after 84958 steps, saw 29187 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 22:03:07] [INFO ] Invariant cache hit.
[2026-05-22 22:03:07] [INFO ] State equation strengthened by 10001 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:08] [INFO ] Deduced a trap composed of 2 places in 70 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:11] [INFO ] Deduced a trap composed of 54 places in 2929 ms of which 213 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:14] [INFO ] Deduced a trap composed of 55 places in 2795 ms of which 197 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:16] [INFO ] Deduced a trap composed of 55 places in 2553 ms of which 196 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2801 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10153/12954 variables, 2801/2857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12954 variables, 10001/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12954 variables, 0/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12956 variables, 2/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12956 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12956 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12956/12956 variables, and 12860 constraints, problems are : Problem set: 0 solved, 1 unsolved in 14381 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2803/2803 constraints, ReadFeed: 10001/10001 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:25] [INFO ] Deduced a trap composed of 54 places in 2727 ms of which 209 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2801 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2801 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10153/12954 variables, 2801/2858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12954 variables, 10001/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12954 variables, 1/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/12956 variables, 2/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/12956 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/12956 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12956/12956 variables, and 12862 constraints, problems are : Problem set: 0 solved, 1 unsolved in 12516 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2803/2803 constraints, ReadFeed: 10001/10001 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26933ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 65 ms.
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 519 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 519 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 521 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
[2026-05-22 22:03:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:03:39] [INFO ] Implicit Places using invariants in 3440 ms returned []
Implicit Place search using SMT only with invariants took 3440 ms to find 0 implicit places.
Running 10103 sub problems to find dead transitions.
[2026-05-22 22:03:39] [INFO ] Invariant cache hit.
[2026-05-22 22:03:39] [INFO ] State equation strengthened by 10001 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-22 22:03:40] [INFO ] Flatten gal took : 183 ms
[2026-05-22 22:03:40] [INFO ] Applying decomposition
[2026-05-22 22:03:40] [INFO ] Flatten gal took : 188 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/graph16189262982055466242.txt' '-o' '/tmp/graph16189262982055466242.bin' '-w' '/tmp/graph16189262982055466242.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16189262982055466242.bin' '-l' '-1' '-v' '-w' '/tmp/graph16189262982055466242.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:03:41] [INFO ] Decomposing Gal with order
[2026-05-22 22:03:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:03:41] [INFO ] Removed a total of 7694 redundant transitions.
[2026-05-22 22:03:41] [INFO ] Flatten gal took : 643 ms
[2026-05-22 22:03:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 9464 labels/synchronizations in 533 ms.
[2026-05-22 22:03:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3047388596734258463.gal : 56 ms
[2026-05-22 22:03:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13912769013546988456.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/ReachabilityCardinality3047388596734258463.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13912769013546988456.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/ReachabilityCardinality13912769013546988456.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2354
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2354 after 2354
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2354 after 2354
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :2354 after 2.14057e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10103 unsolved
SMT process timed out in 40119ms, After SMT, problems are : Problem set: 0 solved, 10103 unsolved
Search for dead transitions found 0 dead transitions in 40136ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44170 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9850 edges and 2803 vertex of which 2599 / 2803 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2597 places
Drop transitions (Empty/Sink Transition effects.) removed 7402 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9944 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.0 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 19 ms. Remains 4 /2803 variables (removed 2799) and now considering 5/10153 (removed 10148) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:04:19] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:04:19] [INFO ] After 20ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:04:19] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:04:19] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:04:19] [INFO ] After 17ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:04:19] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:04:19] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:04:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12596968525664113689.gal : 0 ms
[2026-05-22 22:04:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11743396639012551879.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/ReachabilityCardinality12596968525664113689.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11743396639012551879.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
Loading property file /tmp/ReachabilityCardinality11743396639012551879.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.001848,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.002183,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 76 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-02 in 173097 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-03
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:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:04:19] [INFO ] Computed 52 invariants in 292 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 198 ms. (50 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:04:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:04:20] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:04:20] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:04:22] [INFO ] [Real]Absence check using state equation in 1913 ms returned sat
[2026-05-22 22:04:22] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:04:23] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:04:24] [INFO ] [Real]Added 9982 Read/Feed constraints in 1450 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 1966 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1966 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 22:04:26] [INFO ] Computed 52 invariants in 310 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4356 resets) in 13749 ms. (72 steps per ms)
BEST_FIRST walk for 1000001 steps (69 resets) in 1407 ms. (710 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:04:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:04:41] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:04:41] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:04:43] [INFO ] [Real]Absence check using state equation in 1972 ms returned sat
[2026-05-22 22:04:43] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:04:45] [INFO ] [Real]Added 10002 Read/Feed constraints in 1330 ms returned sat
[2026-05-22 22:04:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:04:45] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 22:04:45] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 22:04:47] [INFO ] [Nat]Absence check using state equation in 2022 ms returned sat
[2026-05-22 22:04:49] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1452 ms returned sat
[2026-05-22 22:04:49] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 459 ms.
[2026-05-22 22:04:51] [INFO ] Added : 7 causal constraints over 2 iterations in 2289 ms. Result :sat
Minimization took 5849 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 523 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 524 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 517 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:04:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:05:02] [INFO ] Implicit Places using invariants in 3500 ms returned []
Implicit Place search using SMT only with invariants took 3501 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:05:02] [INFO ] Invariant cache hit.
[2026-05-22 22:05:02] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 39794ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 39809ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43839 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:05:42] [INFO ] Flatten gal took : 185 ms
RANDOM walk for 40000 steps (173 resets) in 769 ms. (51 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 2/2 properties
[2026-05-22 22:05:42] [INFO ] Flatten gal took : 203 ms
[2026-05-22 22:05:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4596650515413478748.gal : 33 ms
[2026-05-22 22:05:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14210237314571684371.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/ReachabilityCardinality4596650515413478748.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14210237314571684371.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/ReachabilityCardinality14210237314571684371.prop.
Interrupted probabilistic random walk after 81169 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 81169 steps, saw 28641 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:05:45] [INFO ] Invariant cache hit.
[2026-05-22 22:05:45] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:45] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:45] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:49] [INFO ] Deduced a trap composed of 54 places in 2830 ms of which 209 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12952/12954 variables, and 2855 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5017 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2800/2802 constraints, ReadFeed: 0/10002 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:53] [INFO ] Deduced a trap composed of 54 places in 2882 ms of which 210 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:56] [INFO ] Deduced a trap composed of 55 places in 2718 ms of which 199 ms to minimize.
SMT process timed out in 11099ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 514 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 514 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (172 resets) in 781 ms. (51 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 85174 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 1
Probabilistic random walk after 85174 steps, saw 29222 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 22:06:00] [INFO ] Invariant cache hit.
[2026-05-22 22:06:00] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:06:00] [INFO ] Deduced a trap composed of 2 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:06:00] [INFO ] Deduced a trap composed of 2 places in 70 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:06:03] [INFO ] Deduced a trap composed of 54 places in 2676 ms of which 208 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12954 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12954/12954 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 11629 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:06:15] [INFO ] Deduced a trap composed of 54 places in 2874 ms of which 209 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:06:17] [INFO ] Deduced a trap composed of 55 places in 2671 ms of which 198 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 2/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2800 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10152/12952 variables, 2800/2857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 10002/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 1/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12952 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/12954 variables, 2/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/12954 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/12954 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12862 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15084 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26747ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 53 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 507 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 507 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 522 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:06:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:06:31] [INFO ] Implicit Places using invariants in 3455 ms returned []
Implicit Place search using SMT only with invariants took 3456 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:06:31] [INFO ] Invariant cache hit.
[2026-05-22 22:06:31] [INFO ] State equation strengthened by 10002 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-22 22:06:32] [INFO ] Flatten gal took : 178 ms
[2026-05-22 22:06:32] [INFO ] Applying decomposition
[2026-05-22 22:06:32] [INFO ] Flatten gal took : 195 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/graph9351785513644646268.txt' '-o' '/tmp/graph9351785513644646268.bin' '-w' '/tmp/graph9351785513644646268.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9351785513644646268.bin' '-l' '-1' '-v' '-w' '/tmp/graph9351785513644646268.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:06:33] [INFO ] Decomposing Gal with order
[2026-05-22 22:06:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:06:34] [INFO ] Removed a total of 7699 redundant transitions.
[2026-05-22 22:06:34] [INFO ] Flatten gal took : 878 ms
[2026-05-22 22:06:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 9656 labels/synchronizations in 521 ms.
[2026-05-22 22:06:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8697890311318863092.gal : 48 ms
[2026-05-22 22:06:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9974945427627498952.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/ReachabilityCardinality8697890311318863092.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9974945427627498952.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 ...307
Loading property file /tmp/ReachabilityCardinality9974945427627498952.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 200
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :200 after 200
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :200 after 242
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :242 after 37122
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40157ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40171ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44161 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9849 edges and 2802 vertex of which 2598 / 2802 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2596 places
Drop transitions (Empty/Sink Transition effects.) removed 7401 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9943 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.0 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 18 ms. Remains 4 /2802 variables (removed 2798) and now considering 5/10152 (removed 10147) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:07:11] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:07:11] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:07:11] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:07:11] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:07:11] [INFO ] After 19ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:07:11] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:07:11] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:07:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13832872994099216896.gal : 1 ms
[2026-05-22 22:07:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5953002683858150944.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/ReachabilityCardinality13832872994099216896.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5953002683858150944.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/ReachabilityCardinality5953002683858150944.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.001806,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.002172,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 71 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-03 in 172232 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:07:12] [INFO ] Computed 52 invariants in 384 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 144 ms. (68 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[50]
[2026-05-22 22:07:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:07:12] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:07:12] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:07:14] [INFO ] [Real]Absence check using state equation in 1909 ms returned sat
[2026-05-22 22:07:14] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:07:15] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:07:16] [INFO ] [Real]Added 9982 Read/Feed constraints in 1452 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 1971 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1972 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 22:07:18] [INFO ] Computed 52 invariants in 312 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 1000000 steps (4355 resets) in 14090 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (69 resets) in 1502 ms. (665 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:07:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:07:34] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:07:34] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:07:36] [INFO ] [Real]Absence check using state equation in 1998 ms returned sat
[2026-05-22 22:07:36] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:07:38] [INFO ] [Real]Added 10002 Read/Feed constraints in 1424 ms returned sat
[2026-05-22 22:07:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:07:38] [INFO ] [Nat]Absence check using 50 positive place invariants in 43 ms returned sat
[2026-05-22 22:07:38] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:07:40] [INFO ] [Nat]Absence check using state equation in 2060 ms returned sat
[2026-05-22 22:07:42] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1538 ms returned sat
[2026-05-22 22:07:42] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 459 ms.
[2026-05-22 22:07:44] [INFO ] Added : 7 causal constraints over 2 iterations in 2177 ms. Result :sat
Minimization took 5813 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 547 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 547 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 534 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:07:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:07:55] [INFO ] Implicit Places using invariants in 3585 ms returned []
Implicit Place search using SMT only with invariants took 3585 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:07:55] [INFO ] Invariant cache hit.
[2026-05-22 22:07:55] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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(s1658 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 39843ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 39858ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43989 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:08:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4351 resets) in 14117 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (70 resets) in 1501 ms. (665 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:08:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:08:50] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:08:50] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:08:52] [INFO ] [Real]Absence check using state equation in 1970 ms returned sat
[2026-05-22 22:08:53] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:08:54] [INFO ] [Real]Added 10002 Read/Feed constraints in 1430 ms returned sat
[2026-05-22 22:08:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:08:54] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 22:08:55] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:08:57] [INFO ] [Nat]Absence check using state equation in 1995 ms returned sat
[2026-05-22 22:08:58] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1533 ms returned sat
[2026-05-22 22:08:59] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 434 ms.
[2026-05-22 22:09:00] [INFO ] Added : 7 causal constraints over 2 iterations in 2167 ms. Result :sat
Minimization took 5750 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 536 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 536 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 532 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:09:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:09:11] [INFO ] Implicit Places using invariants in 3661 ms returned []
Implicit Place search using SMT only with invariants took 3661 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:09:11] [INFO ] Invariant cache hit.
[2026-05-22 22:09:11] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 39989ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40004ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44209 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (173 resets) in 714 ms. (55 steps per ms) remains 2/2 properties
[2026-05-22 22:09:51] [INFO ] Flatten gal took : 228 ms
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 2/2 properties
[2026-05-22 22:09:51] [INFO ] Flatten gal took : 187 ms
[2026-05-22 22:09:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16815631749759587034.gal : 32 ms
[2026-05-22 22:09:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17297969484144186652.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/ReachabilityCardinality16815631749759587034.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17297969484144186652.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
Loading property file /tmp/ReachabilityCardinality17297969484144186652.prop.
Interrupted probabilistic random walk after 81809 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 81809 steps, saw 28704 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:09:54] [INFO ] Invariant cache hit.
[2026-05-22 22:09:54] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:09:55] [INFO ] Deduced a trap composed of 2 places in 73 ms of which 3 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:09:55] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:09:58] [INFO ] Deduced a trap composed of 54 places in 2863 ms of which 217 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:10:01] [INFO ] Deduced a trap composed of 55 places in 2688 ms of which 199 ms to minimize.
SMT process timed out in 6491ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 522 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 522 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (172 resets) in 740 ms. (53 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 80875 steps, run timeout after 3001 ms. (steps per millisecond=26 ) properties seen :0 out of 1
Probabilistic random walk after 80875 steps, saw 28617 distinct states, run finished after 3001 ms. (steps per millisecond=26 ) properties seen :0
[2026-05-22 22:10:05] [INFO ] Invariant cache hit.
[2026-05-22 22:10:05] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:10:05] [INFO ] Deduced a trap composed of 2 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:10:05] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:10:08] [INFO ] Deduced a trap composed of 54 places in 2941 ms of which 214 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12954 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12954/12954 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10665 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:10:19] [INFO ] Deduced a trap composed of 54 places in 2922 ms of which 210 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:10:21] [INFO ] Deduced a trap composed of 55 places in 2484 ms of which 65 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 2/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2800 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10152/12952 variables, 2800/2857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 10002/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 1/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12952 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/12954 variables, 2/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/12954 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/12954 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12862 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15579 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26279ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 86 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 518 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 519 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 519 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:10:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:10:35] [INFO ] Implicit Places using invariants in 3517 ms returned []
Implicit Place search using SMT only with invariants took 3518 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:10:35] [INFO ] Invariant cache hit.
[2026-05-22 22:10:35] [INFO ] State equation strengthened by 10002 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-22 22:10:42] [INFO ] Flatten gal took : 180 ms
[2026-05-22 22:10:42] [INFO ] Applying decomposition
[2026-05-22 22:10:42] [INFO ] Flatten gal took : 186 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/graph2183544880811274417.txt' '-o' '/tmp/graph2183544880811274417.bin' '-w' '/tmp/graph2183544880811274417.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2183544880811274417.bin' '-l' '-1' '-v' '-w' '/tmp/graph2183544880811274417.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:10:42] [INFO ] Decomposing Gal with order
[2026-05-22 22:10:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:10:43] [INFO ] Removed a total of 7694 redundant transitions.
[2026-05-22 22:10:43] [INFO ] Flatten gal took : 692 ms
[2026-05-22 22:10:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 9272 labels/synchronizations in 608 ms.
[2026-05-22 22:10:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2802292717624970273.gal : 52 ms
[2026-05-22 22:10:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12399198823706146623.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/ReachabilityCardinality2802292717624970273.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12399198823706146623.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/ReachabilityCardinality12399198823706146623.prop.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6489
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6489 after 6489
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :6489 after 6615
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :6615 after 24011
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40487ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40504ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44554 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9849 edges and 2802 vertex of which 2598 / 2802 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2596 places
Drop transitions (Empty/Sink Transition effects.) removed 7401 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9943 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.2 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 25 ms. Remains 4 /2802 variables (removed 2798) and now considering 5/10152 (removed 10147) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:11:16] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:11:16] [INFO ] After 15ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:11:16] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:11:16] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:11:16] [INFO ] After 21ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:11:16] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:11:16] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:11:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17692440297025282996.gal : 0 ms
[2026-05-22 22:11:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7042755649632873385.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/ReachabilityCardinality17692440297025282996.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7042755649632873385.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/ReachabilityCardinality7042755649632873385.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.001759,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.002064,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 76 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-04 in 244741 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-05
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:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:11:16] [INFO ] Computed 52 invariants in 319 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (44 resets) in 168 ms. (59 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:11:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:17] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:11:17] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:11:19] [INFO ] [Real]Absence check using state equation in 2004 ms returned sat
[2026-05-22 22:11:19] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:11:20] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:11:21] [INFO ] [Real]Added 9982 Read/Feed constraints in 1450 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 3 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 2803 transition count 10154
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 2803 transition count 10154
Applied a total of 20 rules in 1499 ms. Remains 2803 /2808 variables (removed 5) and now considering 10154/10159 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1500 ms. Remains : 2803/2808 places, 10154/10159 transitions.
// Phase 1: matrix 10154 rows 2803 cols
[2026-05-22 22:11:22] [INFO ] Computed 52 invariants in 337 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4351 resets) in 14006 ms. (71 steps per ms)
BEST_FIRST walk for 1000001 steps (68 resets) in 1418 ms. (704 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:11:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:11:38] [INFO ] [Real]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 22:11:38] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:11:40] [INFO ] [Real]Absence check using state equation in 1996 ms returned sat
[2026-05-22 22:11:40] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:11:42] [INFO ] [Real]Added 10002 Read/Feed constraints in 1243 ms returned sat
[2026-05-22 22:11:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:11:42] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 22:11:42] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 22:11:44] [INFO ] [Nat]Absence check using state equation in 1970 ms returned sat
[2026-05-22 22:11:46] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1771 ms returned sat
[2026-05-22 22:11:47] [INFO ] Computed and/alt/rep : 7360/19572/7360 causal constraints (skipped 2744 transitions) in 444 ms.
[2026-05-22 22:11:48] [INFO ] Added : 9 causal constraints over 2 iterations in 2150 ms. Result :sat
Minimization took 5912 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10154/10154 transitions.
Applied a total of 0 rules in 532 ms. Remains 2803 /2803 variables (removed 0) and now considering 10154/10154 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 532 ms. Remains : 2803/2803 places, 10154/10154 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10154/10154 transitions.
Applied a total of 0 rules in 529 ms. Remains 2803 /2803 variables (removed 0) and now considering 10154/10154 (removed 0) transitions.
[2026-05-22 22:11:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:11:59] [INFO ] Implicit Places using invariants in 3508 ms returned []
Implicit Place search using SMT only with invariants took 3509 ms to find 0 implicit places.
Running 10104 sub problems to find dead transitions.
[2026-05-22 22:11:59] [INFO ] Invariant cache hit.
[2026-05-22 22:11:59] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10104 unsolved
SMT process timed out in 39796ms, After SMT, problems are : Problem set: 0 solved, 10104 unsolved
Search for dead transitions found 0 dead transitions in 39811ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43861 ms. Remains : 2803/2803 places, 10154/10154 transitions.
[2026-05-22 22:12:39] [INFO ] Flatten gal took : 233 ms
RANDOM walk for 40000 steps (173 resets) in 876 ms. (45 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 2/2 properties
[2026-05-22 22:12:39] [INFO ] Flatten gal took : 173 ms
[2026-05-22 22:12:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1105615378999822191.gal : 31 ms
[2026-05-22 22:12:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7308155718713457430.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/ReachabilityCardinality1105615378999822191.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7308155718713457430.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/ReachabilityCardinality7308155718713457430.prop.
Interrupted probabilistic random walk after 82095 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 82095 steps, saw 28733 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:12:42] [INFO ] Invariant cache hit.
[2026-05-22 22:12:42] [INFO ] State equation strengthened by 10002 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) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:12:42] [INFO ] Deduced a trap composed of 2 places in 76 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:12:42] [INFO ] Deduced a trap composed of 2 places in 66 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 0/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12955/12957 variables, and 2855 constraints, problems are : Problem set: 1 solved, 1 unsolved in 3022 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2801/2803 constraints, ReadFeed: 0/10002 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:12:48] [INFO ] Deduced a trap composed of 54 places in 2896 ms of which 208 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:12:51] [INFO ] Deduced a trap composed of 55 places in 2727 ms of which 197 ms to minimize.
SMT process timed out in 9235ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10154/10154 transitions.
Applied a total of 0 rules in 514 ms. Remains 2803 /2803 variables (removed 0) and now considering 10154/10154 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 514 ms. Remains : 2803/2803 places, 10154/10154 transitions.
RANDOM walk for 40000 steps (172 resets) in 727 ms. (54 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 85056 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 1
Probabilistic random walk after 85056 steps, saw 29210 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 22:12:55] [INFO ] Invariant cache hit.
[2026-05-22 22:12:55] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:12:55] [INFO ] Deduced a trap composed of 2 places in 70 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:12:59] [INFO ] Deduced a trap composed of 54 places in 2949 ms of which 253 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:01] [INFO ] Deduced a trap composed of 55 places in 2673 ms of which 227 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:04] [INFO ] Deduced a trap composed of 55 places in 2351 ms of which 216 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:06] [INFO ] Deduced a trap composed of 55 places in 2366 ms of which 190 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:09] [INFO ] Deduced a trap composed of 55 places in 2400 ms of which 203 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:11] [INFO ] Deduced a trap composed of 55 places in 2327 ms of which 201 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:13] [INFO ] Deduced a trap composed of 55 places in 2231 ms of which 198 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:16] [INFO ] Deduced a trap composed of 55 places in 2245 ms of which 191 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:18] [INFO ] Deduced a trap composed of 55 places in 2129 ms of which 169 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:20] [INFO ] Deduced a trap composed of 55 places in 2100 ms of which 182 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:22] [INFO ] Deduced a trap composed of 55 places in 1906 ms of which 185 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:24] [INFO ] Deduced a trap composed of 55 places in 1939 ms of which 172 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:26] [INFO ] Deduced a trap composed of 55 places in 1824 ms of which 167 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:27] [INFO ] Deduced a trap composed of 55 places in 1665 ms of which 167 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 22:13:29] [INFO ] Deduced a trap composed of 55 places in 1682 ms of which 162 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:29] [INFO ] Flatten gal took : 180 ms
[2026-05-22 22:13:29] [INFO ] Applying decomposition
[2026-05-22 22:13:29] [INFO ] Flatten gal took : 186 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/graph1671553345225417478.txt' '-o' '/tmp/graph1671553345225417478.bin' '-w' '/tmp/graph1671553345225417478.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1671553345225417478.bin' '-l' '-1' '-v' '-w' '/tmp/graph1671553345225417478.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:13:30] [INFO ] Decomposing Gal with order
[2026-05-22 22:13:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:13:31] [INFO ] Removed a total of 7701 redundant transitions.
[2026-05-22 22:13:31] [INFO ] Flatten gal took : 650 ms
[2026-05-22 22:13:31] [INFO ] Deduced a trap composed of 55 places in 1711 ms of which 157 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:31] [INFO ] Fuse similar labels procedure discarded/fused a total of 9658 labels/synchronizations in 527 ms.
[2026-05-22 22:13:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3648256584998217563.gal : 55 ms
[2026-05-22 22:13:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality720857522807474968.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/ReachabilityCardinality3648256584998217563.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality720857522807474968.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 ...306
[2026-05-22 22:13:33] [INFO ] Deduced a trap composed of 55 places in 1569 ms of which 152 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality720857522807474968.prop.
[2026-05-22 22:13:34] [INFO ] Deduced a trap composed of 55 places in 1398 ms of which 153 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4603
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4603 after 4603
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :4603 after 4603
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :4603 after 4603
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4603 after 4603
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4603 after 4617
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4617 after 4620
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4620 after 4623
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4623 after 4628
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4628 after 4641
[2026-05-22 22:13:35] [INFO ] Deduced a trap composed of 55 places in 1354 ms of which 150 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4641 after 4655
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4655 after 4676
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4676 after 4725
[2026-05-22 22:13:37] [INFO ] Deduced a trap composed of 55 places in 1391 ms of which 148 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:38] [INFO ] Deduced a trap composed of 55 places in 1239 ms of which 139 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:39] [INFO ] Deduced a trap composed of 55 places in 1176 ms of which 144 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:13:40] [INFO ] Deduced a trap composed of 55 places in 1157 ms of which 128 ms to minimize.
SMT process timed out in 45527ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10154/10154 transitions.
Applied a total of 0 rules in 515 ms. Remains 2803 /2803 variables (removed 0) and now considering 10154/10154 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 515 ms. Remains : 2803/2803 places, 10154/10154 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10154/10154 transitions.
Applied a total of 0 rules in 534 ms. Remains 2803 /2803 variables (removed 0) and now considering 10154/10154 (removed 0) transitions.
[2026-05-22 22:13:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:13:45] [INFO ] Implicit Places using invariants in 3534 ms returned []
Implicit Place search using SMT only with invariants took 3535 ms to find 0 implicit places.
Running 10104 sub problems to find dead transitions.
[2026-05-22 22:13:45] [INFO ] Invariant cache hit.
[2026-05-22 22:13:45] [INFO ] State equation strengthened by 10002 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4725 after 2.06968e+06
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10104 unsolved
SMT process timed out in 40485ms, After SMT, problems are : Problem set: 0 solved, 10104 unsolved
Search for dead transitions found 0 dead transitions in 40499ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44580 ms. Remains : 2803/2803 places, 10154/10154 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-05 in 189464 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:14:26] [INFO ] Computed 52 invariants in 349 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 145 ms. (68 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:14:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:14:26] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:14:26] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:14:28] [INFO ] [Real]Absence check using state equation in 1960 ms returned sat
[2026-05-22 22:14:29] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:14:29] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:14:30] [INFO ] [Real]Added 9982 Read/Feed constraints in 1424 ms returned sat
[2026-05-22 22:14:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:14:30] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 22:14:30] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:14:32] [INFO ] [Nat]Absence check using state equation in 1977 ms returned sat
[2026-05-22 22:14:33] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:14:34] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1439 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 3 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 2803 transition count 10154
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 11 place count 2803 transition count 10153
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 21 place count 2803 transition count 10153
Applied a total of 21 rules in 2033 ms. Remains 2803 /2808 variables (removed 5) and now considering 10153/10159 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2034 ms. Remains : 2803/2808 places, 10153/10159 transitions.
// Phase 1: matrix 10153 rows 2803 cols
[2026-05-22 22:14:36] [INFO ] Computed 52 invariants in 327 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4359 resets) in 14617 ms. (68 steps per ms)
BEST_FIRST walk for 1000000 steps (67 resets) in 1517 ms. (658 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:14:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:14:53] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:14:53] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:14:55] [INFO ] [Real]Absence check using state equation in 1944 ms returned sat
[2026-05-22 22:14:55] [INFO ] State equation strengthened by 10001 read => feed constraints.
[2026-05-22 22:14:56] [INFO ] [Real]Added 10001 Read/Feed constraints in 1086 ms returned sat
[2026-05-22 22:14:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:14:56] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 22:14:56] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:14:59] [INFO ] [Nat]Absence check using state equation in 2044 ms returned sat
[2026-05-22 22:15:00] [INFO ] [Nat]Added 10001 Read/Feed constraints in 1886 ms returned sat
[2026-05-22 22:15:01] [INFO ] Computed and/alt/rep : 7359/19569/7359 causal constraints (skipped 2744 transitions) in 490 ms.
[2026-05-22 22:15:03] [INFO ] Added : 9 causal constraints over 2 iterations in 2243 ms. Result :sat
Minimization took 5967 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 583 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 583 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 565 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
[2026-05-22 22:15:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:15:13] [INFO ] Implicit Places using invariants in 3496 ms returned []
Implicit Place search using SMT only with invariants took 3497 ms to find 0 implicit places.
Running 10103 sub problems to find dead transitions.
[2026-05-22 22:15:13] [INFO ] Invariant cache hit.
[2026-05-22 22:15:14] [INFO ] State equation strengthened by 10001 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10103 unsolved
SMT process timed out in 40635ms, After SMT, problems are : Problem set: 0 solved, 10103 unsolved
Search for dead transitions found 0 dead transitions in 40648ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44730 ms. Remains : 2803/2803 places, 10153/10153 transitions.
RANDOM walk for 40000 steps (172 resets) in 1493 ms. (26 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 2/2 properties
[2026-05-22 22:15:55] [INFO ] Flatten gal took : 428 ms
[2026-05-22 22:15:55] [INFO ] Flatten gal took : 256 ms
[2026-05-22 22:15:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16134282380448197482.gal : 86 ms
[2026-05-22 22:15:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1122738941670269402.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/ReachabilityCardinality16134282380448197482.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1122738941670269402.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/ReachabilityCardinality1122738941670269402.prop.
Interrupted probabilistic random walk after 84422 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 2
Probabilistic random walk after 84422 steps, saw 29117 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 22:15:58] [INFO ] Invariant cache hit.
[2026-05-22 22:15:58] [INFO ] State equation strengthened by 10001 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) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:15:58] [INFO ] Deduced a trap composed of 2 places in 74 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:15:58] [INFO ] Deduced a trap composed of 2 places in 69 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:16:01] [INFO ] Deduced a trap composed of 54 places in 2857 ms of which 212 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2801 variables, 0/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12954/12956 variables, and 2856 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5014 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2801/2803 constraints, ReadFeed: 0/10001 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:16:06] [INFO ] Deduced a trap composed of 54 places in 2830 ms of which 217 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2801 variables, 1/56 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2801 variables, 0/56 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 12954/12956 variables, and 2857 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5005 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2801/2803 constraints, ReadFeed: 0/10001 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10058ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 589 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 591 ms. Remains : 2803/2803 places, 10153/10153 transitions.
RANDOM walk for 40000 steps (173 resets) in 941 ms. (42 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 93421 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :0 out of 1
Probabilistic random walk after 93421 steps, saw 30309 distinct states, run finished after 3001 ms. (steps per millisecond=31 ) properties seen :0
[2026-05-22 22:16:12] [INFO ] Invariant cache hit.
[2026-05-22 22:16:12] [INFO ] State equation strengthened by 10001 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:16:12] [INFO ] Deduced a trap composed of 2 places in 86 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:16:15] [INFO ] Deduced a trap composed of 54 places in 2925 ms of which 217 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2801 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10153/12954 variables, 2801/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12954 variables, 10001/12856 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12954 variables, 0/12856 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12956 variables, 2/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12956 variables, 0/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12956 variables, 0/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12956/12956 variables, and 12858 constraints, problems are : Problem set: 0 solved, 1 unsolved in 8670 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2803/2803 constraints, ReadFeed: 10001/10001 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 1/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2801 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 10153/12954 variables, 2801/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12954 variables, 10001/12856 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12954 variables, 1/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12954 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/12956 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/12956 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/12956 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12956/12956 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 12209 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2803/2803 constraints, ReadFeed: 10001/10001 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20921ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 116 ms.
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 527 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 527 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 546 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
[2026-05-22 22:16:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:16:37] [INFO ] Implicit Places using invariants in 3597 ms returned []
Implicit Place search using SMT only with invariants took 3600 ms to find 0 implicit places.
Running 10103 sub problems to find dead transitions.
[2026-05-22 22:16:37] [INFO ] Invariant cache hit.
[2026-05-22 22:16:37] [INFO ] State equation strengthened by 10001 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-22 22:16:46] [INFO ] Flatten gal took : 216 ms
[2026-05-22 22:16:46] [INFO ] Applying decomposition
[2026-05-22 22:16:46] [INFO ] Flatten gal took : 228 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/graph8338181374763421246.txt' '-o' '/tmp/graph8338181374763421246.bin' '-w' '/tmp/graph8338181374763421246.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8338181374763421246.bin' '-l' '-1' '-v' '-w' '/tmp/graph8338181374763421246.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:16:46] [INFO ] Decomposing Gal with order
[2026-05-22 22:16:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:16:48] [INFO ] Removed a total of 7698 redundant transitions.
[2026-05-22 22:16:48] [INFO ] Flatten gal took : 1365 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
[2026-05-22 22:16:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 9658 labels/synchronizations in 884 ms.
[2026-05-22 22:16:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8451027180037685979.gal : 69 ms
[2026-05-22 22:16:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1116154499673003691.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/ReachabilityCardinality8451027180037685979.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1116154499673003691.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 ...307
Loading property file /tmp/ReachabilityCardinality1116154499673003691.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 96
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :96 after 96
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :96 after 29773
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10103 unsolved
SMT process timed out in 41289ms, After SMT, problems are : Problem set: 0 solved, 10103 unsolved
Search for dead transitions found 0 dead transitions in 41303ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45463 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9850 edges and 2803 vertex of which 2599 / 2803 are part of one of the 2 SCC in 4 ms
Free SCC test removed 2597 places
Drop transitions (Empty/Sink Transition effects.) removed 7402 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9944 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.0 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 25 ms. Remains 4 /2803 variables (removed 2799) and now considering 5/10153 (removed 10148) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:17:19] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:17:19] [INFO ] After 21ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:17:19] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:17:19] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:17:19] [INFO ] After 22ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:17:19] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:17:19] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:17:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2433184091293213806.gal : 0 ms
[2026-05-22 22:17:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1372372428022190328.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/ReachabilityCardinality2433184091293213806.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1372372428022190328.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/ReachabilityCardinality1372372428022190328.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.001651,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.001956,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 94 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-06 in 173223 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-07
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:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:17:19] [INFO ] Computed 52 invariants in 505 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 156 ms. (63 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:17:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:17:20] [INFO ] [Real]Absence check using 50 positive place invariants in 50 ms returned sat
[2026-05-22 22:17:20] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:17:22] [INFO ] [Real]Absence check using state equation in 1918 ms returned sat
[2026-05-22 22:17:22] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:17:23] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:17:23] [INFO ] [Real]Added 9982 Read/Feed constraints in 1436 ms returned sat
[2026-05-22 22:17:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:17:24] [INFO ] [Nat]Absence check using 50 positive place invariants in 43 ms returned sat
[2026-05-22 22:17:24] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:17:26] [INFO ] [Nat]Absence check using state equation in 1979 ms returned sat
[2026-05-22 22:17:27] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:17:27] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1304 ms returned sat
[2026-05-22 22:17:28] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 655 ms.
[2026-05-22 22:17:29] [INFO ] Added : 5 causal constraints over 1 iterations in 1220 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 2005 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2007 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 22:17:31] [INFO ] Computed 52 invariants in 310 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4352 resets) in 14758 ms. (67 steps per ms)
BEST_FIRST walk for 1000001 steps (69 resets) in 1514 ms. (660 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:17:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:17:48] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:17:48] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:17:50] [INFO ] [Real]Absence check using state equation in 1947 ms returned sat
[2026-05-22 22:17:50] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:17:51] [INFO ] [Real]Added 10002 Read/Feed constraints in 1336 ms returned sat
[2026-05-22 22:17:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:17:52] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 22:17:52] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 29 ms returned sat
[2026-05-22 22:17:54] [INFO ] [Nat]Absence check using state equation in 1946 ms returned sat
[2026-05-22 22:17:55] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1431 ms returned sat
[2026-05-22 22:17:56] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 443 ms.
[2026-05-22 22:17:57] [INFO ] Added : 7 causal constraints over 2 iterations in 2206 ms. Result :sat
Minimization took 5772 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 540 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 540 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 541 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:18:08] [INFO ] Implicit Places using invariants in 3497 ms returned []
Implicit Place search using SMT only with invariants took 3497 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:18:08] [INFO ] Invariant cache hit.
[2026-05-22 22:18:08] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s1270 0.0)
(s1271 0.0)
(s1272 0.0)
(s1273 0.0)
(s1274 0.0)
(s1275 0.0)
(s1276 0.0)
(s1277 0.0)
(s1278 0.0)
(s1279 0.0)
(s1280 0.0)
(s1281 0.0)
(s1282 0.0)
(s1283 0.0)
(s1284 0.0)
(s1285 0.0)
(s1286 0.0)
(s1287 0.0)
(s1288 0.0)
(s1289 0.0)
(s1290 0.0)
(s1291 0.0)
(s1292 0.0)
(s1293 0.0)
(s1294 0.0)
(s1295 0.0)
(s1296 0.0)
(s1297 0.0)
(s1298 0.0)
(s1299 0.0)
(s1300 0.0)
(s1301 0.0)
(s1302 0.0)
(s1303 0.0)
(s1304 0.0)
(s1305 0.0)
(s1306 0.0)
(s1307 0.0)
(s1308 0.0)
(s1309 0.0)
(s1310 0.0)
(s1311 0.0)
(s1312 0.0)
(s1313 0.0)
(s1314 0.0)
(s1315 0.0)
(s1316 0.0)
(s1317 0.0)
(s1318 0.0)
(s1319 0.0)
(s1320 0.0)
(s1321 0.0)
(s1322 0.0)
(s1323 0.0)
(s1324 0.0)
(s1325 0.0)
(s1326 0.0)
(s1327 0.0)
(s1328 0.0)
(s1329 0.0)
(s1330 0.0)
(s1331 0.0)
(s1332 0.0)
(s1333 0.0)
(s1334 0.0)
(s1335 0.0)
(s1336 0.0)
(s1337 0.0)
(s1338 0.0)
(s1339 0.0)
(s1340 0.0)
(s1341 0.0)
(s1342 0.0)
(s1343 0.0)
(s1344 0.0)
(s1345 0.0)
(s1346 0.0)
(s1347 0.0)
(s1348 0.0)
(s1349 0.0)
(s1350 0.0)
(s1351 0.0)
(s1352 0.0)
(s1353 0.0)
(s1354 0.0)
(s1355 0.0)
(s1356 0.0)
(s1357 0.0)
(s1358 0.0)
(s1359 0.0)
(s1360 0.0)
(s1361 0.0)
(s1362 0.0)
(s1363 0.0)
(s1364 0.0)
(s1365 0.0)
(s1366 0.0)
(s1367 0.0)
(s1368 0.0)
(s1369 0.0)
(s1370 0.0)
(s1371 timeout
0.0)
(s1372 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40495ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40523ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44581 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:18:49] [INFO ] Flatten gal took : 210 ms
RANDOM walk for 40000 steps (173 resets) in 1400 ms. (28 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 2/2 properties
[2026-05-22 22:18:49] [INFO ] Flatten gal took : 281 ms
[2026-05-22 22:18:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6894416036921838263.gal : 36 ms
[2026-05-22 22:18:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11549487455205910086.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/ReachabilityCardinality6894416036921838263.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11549487455205910086.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/ReachabilityCardinality11549487455205910086.prop.
Interrupted probabilistic random walk after 82480 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 82480 steps, saw 28761 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:18:52] [INFO ] Invariant cache hit.
[2026-05-22 22:18:52] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:18:52] [INFO ] Deduced a trap composed of 2 places in 69 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:18:52] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:18:56] [INFO ] Deduced a trap composed of 54 places in 2878 ms of which 209 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12952/12954 variables, and 2855 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2800/2802 constraints, ReadFeed: 0/10002 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:19:00] [INFO ] Deduced a trap composed of 54 places in 2891 ms of which 213 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:19:03] [INFO ] Deduced a trap composed of 55 places in 2569 ms of which 67 ms to minimize.
SMT process timed out in 10960ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 529 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 530 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (171 resets) in 1010 ms. (39 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 87598 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :0 out of 1
Probabilistic random walk after 87598 steps, saw 29553 distinct states, run finished after 3001 ms. (steps per millisecond=29 ) properties seen :0
[2026-05-22 22:19:07] [INFO ] Invariant cache hit.
[2026-05-22 22:19:07] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:19:07] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:19:07] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:19:10] [INFO ] Deduced a trap composed of 54 places in 2871 ms of which 201 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12954 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12954/12954 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 8828 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:19:19] [INFO ] Deduced a trap composed of 54 places in 2899 ms of which 207 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:19:21] [INFO ] Deduced a trap composed of 55 places in 2527 ms of which 65 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 2/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2800 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10152/12952 variables, 2800/2857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 10002/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 1/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12952 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/12954 variables, 2/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/12954 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/12954 variables, 0/12862 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12862 constraints, problems are : Problem set: 0 solved, 1 unsolved in 14292 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23178ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 35 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 521 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 521 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 526 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:19:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:19:35] [INFO ] Implicit Places using invariants in 3669 ms returned []
Implicit Place search using SMT only with invariants took 3670 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:19:35] [INFO ] Invariant cache hit.
[2026-05-22 22:19:35] [INFO ] State equation strengthened by 10002 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-22 22:19:39] [INFO ] Flatten gal took : 180 ms
[2026-05-22 22:19:39] [INFO ] Applying decomposition
[2026-05-22 22:19:39] [INFO ] Flatten gal took : 187 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/graph993503673667835378.txt' '-o' '/tmp/graph993503673667835378.bin' '-w' '/tmp/graph993503673667835378.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph993503673667835378.bin' '-l' '-1' '-v' '-w' '/tmp/graph993503673667835378.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:19:40] [INFO ] Decomposing Gal with order
[2026-05-22 22:19:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:19:41] [INFO ] Removed a total of 7699 redundant transitions.
[2026-05-22 22:19:41] [INFO ] Flatten gal took : 625 ms
[2026-05-22 22:19:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 9752 labels/synchronizations in 577 ms.
[2026-05-22 22:19:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11290947635354279627.gal : 43 ms
[2026-05-22 22:19:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1276981284275755168.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/ReachabilityCardinality11290947635354279627.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1276981284275755168.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/ReachabilityCardinality1276981284275755168.prop.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2118
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2118 after 2118
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2118 after 2118
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40393ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40408ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44616 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9849 edges and 2802 vertex of which 2598 / 2802 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2596 places
Drop transitions (Empty/Sink Transition effects.) removed 7401 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9943 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.0 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 17 ms. Remains 4 /2802 variables (removed 2798) and now considering 5/10152 (removed 10147) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:20:15] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:20:15] [INFO ] After 20ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:20:15] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:20:15] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:20:15] [INFO ] After 18ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:20:15] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:20:15] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:20:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5279602512855558606.gal : 2 ms
[2026-05-22 22:20:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15396577528967861588.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/ReachabilityCardinality5279602512855558606.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15396577528967861588.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/ReachabilityCardinality15396577528967861588.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.002149,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.002456,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 70 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-07 in 176367 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-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:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:20:15] [INFO ] Computed 52 invariants in 283 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 141 ms. (70 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[50]
[2026-05-22 22:20:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:20:16] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:20:16] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:20:18] [INFO ] [Real]Absence check using state equation in 1892 ms returned sat
[2026-05-22 22:20:18] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:20:19] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:20:19] [INFO ] [Real]Added 9982 Read/Feed constraints in 1441 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 2071 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2071 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 22:20:22] [INFO ] Computed 52 invariants in 304 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 1000000 steps (4347 resets) in 14165 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (70 resets) in 1422 ms. (702 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:20:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:20:38] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:20:38] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:20:40] [INFO ] [Real]Absence check using state equation in 2002 ms returned sat
[2026-05-22 22:20:40] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:20:41] [INFO ] [Real]Added 10002 Read/Feed constraints in 1434 ms returned sat
[2026-05-22 22:20:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:20:42] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 22:20:42] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:20:44] [INFO ] [Nat]Absence check using state equation in 2065 ms returned sat
[2026-05-22 22:20:45] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1498 ms returned sat
[2026-05-22 22:20:46] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 459 ms.
[2026-05-22 22:20:48] [INFO ] Added : 7 causal constraints over 2 iterations in 2377 ms. Result :sat
Minimization took 5841 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 516 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 516 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 506 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:20:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:20:58] [INFO ] Implicit Places using invariants in 3594 ms returned []
Implicit Place search using SMT only with invariants took 3595 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:20:59] [INFO ] Invariant cache hit.
[2026-05-22 22:20:59] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 39974ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 39990ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44105 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:21:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4355 resets) in 13946 ms. (71 steps per ms)
BEST_FIRST walk for 1000001 steps (70 resets) in 1445 ms. (691 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:21:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:21:54] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:21:54] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:21:56] [INFO ] [Real]Absence check using state equation in 1948 ms returned sat
[2026-05-22 22:21:56] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:21:58] [INFO ] [Real]Added 10002 Read/Feed constraints in 1422 ms returned sat
[2026-05-22 22:21:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:21:58] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:21:58] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 29 ms returned sat
[2026-05-22 22:22:00] [INFO ] [Nat]Absence check using state equation in 2048 ms returned sat
[2026-05-22 22:22:02] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1514 ms returned sat
[2026-05-22 22:22:03] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 457 ms.
[2026-05-22 22:22:04] [INFO ] Added : 7 causal constraints over 2 iterations in 2265 ms. Result :sat
Minimization took 5815 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 546 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 546 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 536 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:22:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:22:15] [INFO ] Implicit Places using invariants in 3555 ms returned []
Implicit Place search using SMT only with invariants took 3557 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:22:15] [INFO ] Invariant cache hit.
[2026-05-22 22:22:15] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 39783ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 39797ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43902 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:22:55] [INFO ] Flatten gal took : 186 ms
RANDOM walk for 40000 steps (173 resets) in 824 ms. (48 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 2/2 properties
[2026-05-22 22:22:55] [INFO ] Flatten gal took : 189 ms
[2026-05-22 22:22:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11690191977872367715.gal : 33 ms
[2026-05-22 22:22:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8390926604012978894.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/ReachabilityCardinality11690191977872367715.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8390926604012978894.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/ReachabilityCardinality8390926604012978894.prop.
Interrupted probabilistic random walk after 83857 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 83857 steps, saw 29030 distinct states, run finished after 3002 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:22:58] [INFO ] Invariant cache hit.
[2026-05-22 22:22:58] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:22:58] [INFO ] Deduced a trap composed of 2 places in 63 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:22:58] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:23:02] [INFO ] Deduced a trap composed of 54 places in 2905 ms of which 209 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:23:05] [INFO ] Deduced a trap composed of 55 places in 2813 ms of which 198 ms to minimize.
SMT process timed out in 6647ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 582 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 582 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (172 resets) in 743 ms. (53 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 87710 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :0 out of 1
Probabilistic random walk after 87710 steps, saw 29563 distinct states, run finished after 3001 ms. (steps per millisecond=29 ) properties seen :0
[2026-05-22 22:23:08] [INFO ] Invariant cache hit.
[2026-05-22 22:23:08] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:23:09] [INFO ] Deduced a trap composed of 2 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:23:09] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:23:12] [INFO ] Deduced a trap composed of 54 places in 2941 ms of which 209 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:23:15] [INFO ] Deduced a trap composed of 55 places in 2761 ms of which 205 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2856 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12952/12954 variables, and 12858 constraints, problems are : Problem set: 0 solved, 1 unsolved in 14948 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2800/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 2/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:23:27] [INFO ] Deduced a trap composed of 54 places in 2907 ms of which 211 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:23:29] [INFO ] Deduced a trap composed of 55 places in 2541 ms of which 65 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 2/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2800 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10152/12952 variables, 2800/2858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 10002/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 1/12861 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12952 variables, 0/12861 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/12954 variables, 2/12863 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/12954 variables, 0/12863 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/12954 variables, 0/12863 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12863 constraints, problems are : Problem set: 0 solved, 1 unsolved in 15858 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30839ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 113 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 495 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 496 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 582 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:23:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:23:44] [INFO ] Implicit Places using invariants in 3488 ms returned []
Implicit Place search using SMT only with invariants took 3489 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:23:44] [INFO ] Invariant cache hit.
[2026-05-22 22:23:44] [INFO ] State equation strengthened by 10002 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-22 22:23:45] [INFO ] Flatten gal took : 178 ms
[2026-05-22 22:23:45] [INFO ] Applying decomposition
[2026-05-22 22:23:45] [INFO ] Flatten gal took : 186 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/graph9852561936747032202.txt' '-o' '/tmp/graph9852561936747032202.bin' '-w' '/tmp/graph9852561936747032202.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9852561936747032202.bin' '-l' '-1' '-v' '-w' '/tmp/graph9852561936747032202.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:23:46] [INFO ] Decomposing Gal with order
[2026-05-22 22:23:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:23:47] [INFO ] Removed a total of 7699 redundant transitions.
[2026-05-22 22:23:47] [INFO ] Flatten gal took : 644 ms
[2026-05-22 22:23:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 9656 labels/synchronizations in 491 ms.
[2026-05-22 22:23:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality504747897392373923.gal : 242 ms
[2026-05-22 22:23:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10863896500437792527.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/ReachabilityCardinality504747897392373923.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10863896500437792527.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 ...307
Loading property file /tmp/ReachabilityCardinality10863896500437792527.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4922
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4922 after 4922
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4922 after 4922
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4922 after 18607
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40165ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40180ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44263 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9849 edges and 2802 vertex of which 2598 / 2802 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2596 places
Drop transitions (Empty/Sink Transition effects.) removed 7401 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9943 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.0 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 17 ms. Remains 4 /2802 variables (removed 2798) and now considering 5/10152 (removed 10147) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:24:24] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:24:24] [INFO ] After 19ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:24:24] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:24:24] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:24:24] [INFO ] After 19ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:24:24] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:24:24] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:24:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6444845159509436046.gal : 0 ms
[2026-05-22 22:24:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17019818631474265846.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/ReachabilityCardinality6444845159509436046.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17019818631474265846.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/ReachabilityCardinality17019818631474265846.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.001807,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.002076,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 69 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-08 in 249106 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:24:25] [INFO ] Computed 52 invariants in 280 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (42 resets) in 142 ms. (69 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:24:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:24:25] [INFO ] [Real]Absence check using 50 positive place invariants in 38 ms returned sat
[2026-05-22 22:24:25] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:24:27] [INFO ] [Real]Absence check using state equation in 1878 ms returned sat
[2026-05-22 22:24:27] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:24:28] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:24:28] [INFO ] [Real]Added 9982 Read/Feed constraints in 1325 ms returned sat
[2026-05-22 22:24:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:24:29] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 22:24:29] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 22:24:31] [INFO ] [Nat]Absence check using state equation in 2028 ms returned sat
[2026-05-22 22:24:32] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:24:32] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1370 ms returned sat
[2026-05-22 22:24:33] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 459 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 2039 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2040 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 22:24:36] [INFO ] Computed 52 invariants in 301 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4359 resets) in 14090 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (71 resets) in 1410 ms. (708 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:24:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:24:52] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:24:52] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:24:54] [INFO ] [Real]Absence check using state equation in 1966 ms returned sat
[2026-05-22 22:24:54] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:24:55] [INFO ] [Real]Added 10002 Read/Feed constraints in 1316 ms returned sat
[2026-05-22 22:24:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:24:56] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:24:56] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 22:24:58] [INFO ] [Nat]Absence check using state equation in 2047 ms returned sat
[2026-05-22 22:24:59] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1344 ms returned sat
[2026-05-22 22:25:00] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 459 ms.
[2026-05-22 22:25:02] [INFO ] Added : 7 causal constraints over 2 iterations in 2239 ms. Result :sat
Minimization took 5784 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 522 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 522 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 531 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:25:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:25:12] [INFO ] Implicit Places using invariants in 3449 ms returned []
Implicit Place search using SMT only with invariants took 3449 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:25:12] [INFO ] Invariant cache hit.
[2026-05-22 22:25:12] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40059ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40073ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44066 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:25:52] [INFO ] Flatten gal took : 222 ms
RANDOM walk for 40000 steps (172 resets) in 972 ms. (41 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
[2026-05-22 22:25:53] [INFO ] Flatten gal took : 216 ms
[2026-05-22 22:25:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9382416830754557221.gal : 30 ms
[2026-05-22 22:25:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6293430280243603213.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/ReachabilityCardinality9382416830754557221.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6293430280243603213.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/ReachabilityCardinality6293430280243603213.prop.
Interrupted probabilistic random walk after 83084 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 83084 steps, saw 28911 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:25:55] [INFO ] Invariant cache hit.
[2026-05-22 22:25:55] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:25:56] [INFO ] Deduced a trap composed of 2 places in 71 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:25:56] [INFO ] Deduced a trap composed of 2 places in 63 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:25:59] [INFO ] Deduced a trap composed of 54 places in 2918 ms of which 208 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 12952/12954 variables, and 2855 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2800/2802 constraints, ReadFeed: 0/10002 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:26:04] [INFO ] Deduced a trap composed of 54 places in 2802 ms of which 210 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:26:06] [INFO ] Deduced a trap composed of 55 places in 2644 ms of which 195 ms to minimize.
SMT process timed out in 10960ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 575 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 575 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (172 resets) in 735 ms. (54 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 86599 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 1
Probabilistic random walk after 86599 steps, saw 29428 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 22:26:10] [INFO ] Invariant cache hit.
[2026-05-22 22:26:10] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:26:11] [INFO ] Deduced a trap composed of 2 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:26:11] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:26:14] [INFO ] Deduced a trap composed of 54 places in 2744 ms of which 211 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12954 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12954/12954 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9132 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:26:23] [INFO ] Deduced a trap composed of 54 places in 2784 ms of which 209 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:26:25] [INFO ] Deduced a trap composed of 55 places in 2663 ms of which 198 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:26:28] [INFO ] Deduced a trap composed of 55 places in 2400 ms of which 197 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 3/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2800 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10152/12952 variables, 2800/2858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 10002/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 1/12861 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12952 variables, 0/12861 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/12954 variables, 2/12863 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/12954 variables, 0/12863 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/12954 variables, 0/12863 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12863 constraints, problems are : Problem set: 0 solved, 1 unsolved in 17406 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26568ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 116 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 562 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 562 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 530 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:26:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:26:41] [INFO ] Implicit Places using invariants in 3479 ms returned []
Implicit Place search using SMT only with invariants took 3479 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:26:42] [INFO ] Invariant cache hit.
[2026-05-22 22:26:42] [INFO ] State equation strengthened by 10002 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-22 22:26:43] [INFO ] Flatten gal took : 221 ms
[2026-05-22 22:26:43] [INFO ] Applying decomposition
[2026-05-22 22:26:43] [INFO ] Flatten gal took : 221 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/graph15013006937935394915.txt' '-o' '/tmp/graph15013006937935394915.bin' '-w' '/tmp/graph15013006937935394915.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15013006937935394915.bin' '-l' '-1' '-v' '-w' '/tmp/graph15013006937935394915.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:26:44] [INFO ] Decomposing Gal with order
[2026-05-22 22:26:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:26:44] [INFO ] Removed a total of 7699 redundant transitions.
[2026-05-22 22:26:44] [INFO ] Flatten gal took : 716 ms
[2026-05-22 22:26:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 9752 labels/synchronizations in 598 ms.
[2026-05-22 22:26:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5178111952890668802.gal : 43 ms
[2026-05-22 22:26:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9506316846330201631.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/ReachabilityCardinality5178111952890668802.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9506316846330201631.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 ...307
Loading property file /tmp/ReachabilityCardinality9506316846330201631.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6866
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6866 after 6866
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6866 after 6945
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :6945 after 6996
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :6996 after 25751
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40654ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40667ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44699 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9849 edges and 2802 vertex of which 2598 / 2802 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2596 places
Drop transitions (Empty/Sink Transition effects.) removed 7401 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9943 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.0 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 16 ms. Remains 4 /2802 variables (removed 2798) and now considering 5/10152 (removed 10147) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:27:22] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:27:22] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:27:22] [INFO ] After 3ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:27:22] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:27:22] [INFO ] After 28ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:27:22] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:27:22] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:27:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13851367584963798891.gal : 0 ms
[2026-05-22 22:27:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18239860424914424892.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/ReachabilityCardinality13851367584963798891.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18239860424914424892.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
Loading property file /tmp/ReachabilityCardinality18239860424914424892.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.001788,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.002085,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 79 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-09 in 178059 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:27:23] [INFO ] Computed 52 invariants in 288 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 144 ms. (68 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 15 ms. (625 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[50]
[2026-05-22 22:27:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:27:23] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:27:23] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:27:25] [INFO ] [Real]Absence check using state equation in 1998 ms returned sat
[2026-05-22 22:27:25] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:27:26] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:27:27] [INFO ] [Real]Added 9982 Read/Feed constraints in 1462 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 2061 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2062 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 22:27:29] [INFO ] Computed 52 invariants in 297 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 1000000 steps (4356 resets) in 14444 ms. (69 steps per ms)
BEST_FIRST walk for 1000001 steps (70 resets) in 1562 ms. (639 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:27:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:27:45] [INFO ] [Real]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 22:27:45] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:27:47] [INFO ] [Real]Absence check using state equation in 1992 ms returned sat
[2026-05-22 22:27:48] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:27:49] [INFO ] [Real]Added 10002 Read/Feed constraints in 1399 ms returned sat
[2026-05-22 22:27:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:27:50] [INFO ] [Nat]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 22:27:50] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:27:52] [INFO ] [Nat]Absence check using state equation in 2066 ms returned sat
[2026-05-22 22:27:53] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1486 ms returned sat
[2026-05-22 22:27:54] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 440 ms.
[2026-05-22 22:27:56] [INFO ] Added : 6 causal constraints over 2 iterations in 2194 ms. Result :sat
Minimization took 5841 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 537 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 537 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 532 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:28:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:28:06] [INFO ] Implicit Places using invariants in 3540 ms returned []
Implicit Place search using SMT only with invariants took 3541 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:28:06] [INFO ] Invariant cache hit.
[2026-05-22 22:28:06] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40599ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40613ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44698 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:28:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4358 resets) in 14123 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (68 resets) in 1404 ms. (711 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:29:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:29:02] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:29:02] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 25 ms returned sat
[2026-05-22 22:29:04] [INFO ] [Real]Absence check using state equation in 1942 ms returned sat
[2026-05-22 22:29:05] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:29:06] [INFO ] [Real]Added 10002 Read/Feed constraints in 1381 ms returned sat
[2026-05-22 22:29:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:29:06] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 22:29:06] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:29:09] [INFO ] [Nat]Absence check using state equation in 2028 ms returned sat
[2026-05-22 22:29:10] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1458 ms returned sat
[2026-05-22 22:29:11] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 461 ms.
[2026-05-22 22:29:12] [INFO ] Added : 6 causal constraints over 2 iterations in 2224 ms. Result :sat
Minimization took 5893 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 546 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 546 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 529 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:29:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:29:23] [INFO ] Implicit Places using invariants in 3557 ms returned []
Implicit Place search using SMT only with invariants took 3557 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:29:23] [INFO ] Invariant cache hit.
[2026-05-22 22:29:23] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40099ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40113ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44211 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:30:03] [INFO ] Flatten gal took : 183 ms
RANDOM walk for 40000 steps (172 resets) in 800 ms. (49 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
[2026-05-22 22:30:03] [INFO ] Flatten gal took : 187 ms
[2026-05-22 22:30:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2982067793745351070.gal : 32 ms
[2026-05-22 22:30:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8793209094795161685.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/ReachabilityCardinality2982067793745351070.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8793209094795161685.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/ReachabilityCardinality8793209094795161685.prop.
Interrupted probabilistic random walk after 84378 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 2
Probabilistic random walk after 84378 steps, saw 29110 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 22:30:06] [INFO ] Invariant cache hit.
[2026-05-22 22:30:06] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:30:07] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:30:07] [INFO ] Deduced a trap composed of 2 places in 69 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:30:10] [INFO ] Deduced a trap composed of 54 places in 2780 ms of which 214 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:30:13] [INFO ] Deduced a trap composed of 55 places in 2647 ms of which 195 ms to minimize.
SMT process timed out in 6351ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 625 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 625 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (173 resets) in 723 ms. (55 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 87769 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :0 out of 1
Probabilistic random walk after 87769 steps, saw 29577 distinct states, run finished after 3001 ms. (steps per millisecond=29 ) properties seen :0
[2026-05-22 22:30:17] [INFO ] Invariant cache hit.
[2026-05-22 22:30:17] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:30:17] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:30:17] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:30:20] [INFO ] Deduced a trap composed of 54 places in 2849 ms of which 217 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12954 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12954/12954 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9243 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:30:29] [INFO ] Deduced a trap composed of 54 places in 2678 ms of which 213 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2800 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 10152/12952 variables, 2800/2856 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 10002/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 1/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12952 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/12954 variables, 2/12861 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/12954 variables, 0/12861 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/12954 variables, 0/12861 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12861 constraints, problems are : Problem set: 0 solved, 1 unsolved in 12332 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21606ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 87 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 665 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 665 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 530 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:30:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:30:43] [INFO ] Implicit Places using invariants in 3464 ms returned []
Implicit Place search using SMT only with invariants took 3465 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:30:43] [INFO ] Invariant cache hit.
[2026-05-22 22:30:43] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
[2026-05-22 22:30:54] [INFO ] Flatten gal took : 175 ms
[2026-05-22 22:30:54] [INFO ] Applying decomposition
[2026-05-22 22:30:54] [INFO ] Flatten gal took : 184 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/graph10548282010433150006.txt' '-o' '/tmp/graph10548282010433150006.bin' '-w' '/tmp/graph10548282010433150006.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10548282010433150006.bin' '-l' '-1' '-v' '-w' '/tmp/graph10548282010433150006.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:30:54] [INFO ] Decomposing Gal with order
[2026-05-22 22:30:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:30:55] [INFO ] Removed a total of 7699 redundant transitions.
[2026-05-22 22:30:55] [INFO ] Flatten gal took : 693 ms
[2026-05-22 22:30:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 9752 labels/synchronizations in 480 ms.
[2026-05-22 22:30:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5882203171086985170.gal : 55 ms
[2026-05-22 22:30:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6294976791297055422.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/ReachabilityCardinality5882203171086985170.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6294976791297055422.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 ...307
Loading property file /tmp/ReachabilityCardinality6294976791297055422.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5714
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5714 after 5714
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :5714 after 5714
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :5714 after 5714
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :5714 after 5714
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :5714 after 5714
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :5714 after 5714
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5714 after 5733
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :5733 after 5741
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5741 after 5755
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :5755 after 5767
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :5767 after 5787
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :5787 after 5836
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40321ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40335ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44343 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9849 edges and 2802 vertex of which 2598 / 2802 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2596 places
Drop transitions (Empty/Sink Transition effects.) removed 7401 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9943 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.1 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 61 ms. Remains 4 /2802 variables (removed 2798) and now considering 5/10152 (removed 10147) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:31:23] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:31:23] [INFO ] After 20ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:31:23] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:31:23] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:31:23] [INFO ] After 23ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:31:23] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:31:23] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:31:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10172123883723239282.gal : 0 ms
[2026-05-22 22:31:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15409556467821962357.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/ReachabilityCardinality10172123883723239282.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15409556467821962357.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
Loading property file /tmp/ReachabilityCardinality15409556467821962357.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.003369,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.003982,4136,2,5,6,33,7,0,24,18,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 129 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-10 in 241194 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:31:24] [INFO ] Computed 52 invariants in 283 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (44 resets) in 138 ms. (71 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[50]
[2026-05-22 22:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:31:24] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:31:24] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:31:26] [INFO ] [Real]Absence check using state equation in 1922 ms returned sat
[2026-05-22 22:31:26] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:31:27] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:31:28] [INFO ] [Real]Added 9982 Read/Feed constraints in 1431 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 2042 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2042 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 22:31:30] [INFO ] Computed 52 invariants in 302 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 1000000 steps (4348 resets) in 13999 ms. (71 steps per ms)
BEST_FIRST walk for 1000001 steps (69 resets) in 1410 ms. (708 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:31:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:31:46] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:31:46] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:31:48] [INFO ] [Real]Absence check using state equation in 1983 ms returned sat
[2026-05-22 22:31:48] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:31:49] [INFO ] [Real]Added 10002 Read/Feed constraints in 1375 ms returned sat
[2026-05-22 22:31:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:31:50] [INFO ] [Nat]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 22:31:50] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:31:52] [INFO ] [Nat]Absence check using state equation in 2122 ms returned sat
[2026-05-22 22:31:54] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1461 ms returned sat
[2026-05-22 22:31:54] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 463 ms.
[2026-05-22 22:31:56] [INFO ] Added : 6 causal constraints over 2 iterations in 2155 ms. Result :sat
Minimization took 5814 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 528 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 528 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 524 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:32:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:32:06] [INFO ] Implicit Places using invariants in 3523 ms returned []
Implicit Place search using SMT only with invariants took 3524 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:32:06] [INFO ] Invariant cache hit.
[2026-05-22 22:32:06] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40079ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40093ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44153 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:32:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4354 resets) in 14225 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (69 resets) in 1445 ms. (691 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:33:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:33:02] [INFO ] [Real]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 22:33:02] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 25 ms returned sat
[2026-05-22 22:33:04] [INFO ] [Real]Absence check using state equation in 2052 ms returned sat
[2026-05-22 22:33:05] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:33:06] [INFO ] [Real]Added 10002 Read/Feed constraints in 1418 ms returned sat
[2026-05-22 22:33:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:33:07] [INFO ] [Nat]Absence check using 50 positive place invariants in 43 ms returned sat
[2026-05-22 22:33:07] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:33:09] [INFO ] [Nat]Absence check using state equation in 2096 ms returned sat
[2026-05-22 22:33:10] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1463 ms returned sat
[2026-05-22 22:33:11] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 471 ms.
[2026-05-22 22:33:13] [INFO ] Added : 6 causal constraints over 2 iterations in 2184 ms. Result :sat
Minimization took 6004 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 548 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 548 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 541 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:33:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:33:23] [INFO ] Implicit Places using invariants in 3582 ms returned []
Implicit Place search using SMT only with invariants took 3582 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:33:23] [INFO ] Invariant cache hit.
[2026-05-22 22:33:23] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
(s3 0.0)
(s4 1.0)
(s5 1.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 1.0)
(s11 1.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 1.0)
(s17 1.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 0.0)
(s22 1.0)
(s23 0.0)
(s24 0.0)
(s25 1.0)
(s26 0.0)
(s27 0.0)
(s28 1.0)
(s29 0.0)
(s30 0.0)
(s31 1.0)
(s32 0.0)
(s33 0.0)
(s34 1.0)
(s35 1.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 1.0)
(s41 1.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 1.0)
(s47 1.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 1.0)
(s53 1.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 1.0)
(s59 1.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 1.0)
(s65 1.0)
(s66 0.0)
(s67 1.0)
(s68 0.0)
(s69 0.0)
(s70 1.0)
(s71 1.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 1.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 1.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 1.0)
(s89 0.0)
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(s1592 timeout
0.0)
(s1593 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40222ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40236ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44371 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:34:04] [INFO ] Flatten gal took : 185 ms
RANDOM walk for 40000 steps (173 resets) in 789 ms. (50 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 82 ms. (481 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 2/2 properties
[2026-05-22 22:34:04] [INFO ] Flatten gal took : 189 ms
[2026-05-22 22:34:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3738012489520705779.gal : 34 ms
[2026-05-22 22:34:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17945805591233418000.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/ReachabilityCardinality3738012489520705779.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17945805591233418000.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/ReachabilityCardinality17945805591233418000.prop.
Interrupted probabilistic random walk after 82755 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 82755 steps, saw 28854 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:34:07] [INFO ] Invariant cache hit.
[2026-05-22 22:34:07] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:34:07] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:34:07] [INFO ] Deduced a trap composed of 2 places in 71 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:34:11] [INFO ] Deduced a trap composed of 54 places in 2963 ms of which 217 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SMT process timed out in 5040ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 512 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 512 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (172 resets) in 1129 ms. (35 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 87406 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :0 out of 1
Probabilistic random walk after 87406 steps, saw 29533 distinct states, run finished after 3001 ms. (steps per millisecond=29 ) properties seen :0
[2026-05-22 22:34:16] [INFO ] Invariant cache hit.
[2026-05-22 22:34:16] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:34:16] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:34:16] [INFO ] Deduced a trap composed of 2 places in 70 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:34:20] [INFO ] Deduced a trap composed of 54 places in 2863 ms of which 206 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12954 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12954/12954 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9616 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 1/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 0/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/12954 variables, 2/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/12954 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/12954 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12860 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9238 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18885ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 60 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 506 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 506 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 512 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:34:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:34:39] [INFO ] Implicit Places using invariants in 3574 ms returned []
Implicit Place search using SMT only with invariants took 3575 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:34:39] [INFO ] Invariant cache hit.
[2026-05-22 22:34:39] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
[2026-05-22 22:34:54] [INFO ] Flatten gal took : 183 ms
[2026-05-22 22:34:54] [INFO ] Applying decomposition
[2026-05-22 22:34:54] [INFO ] Flatten gal took : 194 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/graph7116038209164334243.txt' '-o' '/tmp/graph7116038209164334243.bin' '-w' '/tmp/graph7116038209164334243.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7116038209164334243.bin' '-l' '-1' '-v' '-w' '/tmp/graph7116038209164334243.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:34:55] [INFO ] Decomposing Gal with order
[2026-05-22 22:34:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:34:56] [INFO ] Removed a total of 7699 redundant transitions.
[2026-05-22 22:34:56] [INFO ] Flatten gal took : 683 ms
[2026-05-22 22:34:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 9656 labels/synchronizations in 482 ms.
[2026-05-22 22:34:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14921963009846927597.gal : 54 ms
[2026-05-22 22:34:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4018461020319122734.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/ReachabilityCardinality14921963009846927597.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4018461020319122734.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/ReachabilityCardinality4018461020319122734.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 145
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :145 after 145
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :145 after 30091
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40285ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40299ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44398 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 9849 edges and 2802 vertex of which 2598 / 2802 are part of one of the 2 SCC in 2 ms
Free SCC test removed 2596 places
Drop transitions (Empty/Sink Transition effects.) removed 7401 transitions
Ensure Unique test removed 2542 transitions
Reduce isomorphic transitions removed 9943 transitions.
Graph (complete) has 511 edges and 206 vertex of which 55 are kept as prefixes of interest. Removing 151 places using SCC suffix rule.0 ms
Discarding 151 places :
Also discarding 49 output transitions
Drop transitions (Output transitions of discarded places.) removed 49 transitions
Drop transitions (Empty/Sink Transition effects.) removed 101 transitions
Reduce isomorphic transitions removed 101 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 102 rules applied. Total rules applied 104 place count 55 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 105 place count 54 transition count 58
Discarding 48 places :
Symmetric choice reduction at 2 with 48 rule applications. Total rules 153 place count 6 transition count 10
Iterating global reduction 2 with 48 rules applied. Total rules applied 201 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 203 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 204 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 206 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 207 place count 4 transition count 5
Applied a total of 207 rules in 20 ms. Remains 4 /2802 variables (removed 2798) and now considering 5/10152 (removed 10147) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:35:20] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:35:20] [INFO ] After 21ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:35:20] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:35:20] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:35:20] [INFO ] After 20ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:35:20] [INFO ] Flatten gal took : 2 ms
[2026-05-22 22:35:20] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:35:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13827290186658337516.gal : 0 ms
[2026-05-22 22:35:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12216854394136900451.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/ReachabilityCardinality13827290186658337516.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12216854394136900451.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
Loading property file /tmp/ReachabilityCardinality12216854394136900451.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 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,6,0.001752,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
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
MIN0,1,0.002075,4136,2,5,6,33,7,0,24,18,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 78 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:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-11 in 236211 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:35:20] [INFO ] Computed 52 invariants in 283 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (43 resets) in 196 ms. (50 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 20 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[50]
[2026-05-22 22:35:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:35:21] [INFO ] [Real]Absence check using 50 positive place invariants in 39 ms returned sat
[2026-05-22 22:35:21] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:35:22] [INFO ] [Real]Absence check using state equation in 1835 ms returned sat
[2026-05-22 22:35:23] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:35:24] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:35:24] [INFO ] [Real]Added 9982 Read/Feed constraints in 1413 ms returned sat
[2026-05-22 22:35:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:35:24] [INFO ] [Nat]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:35:24] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 19 ms returned sat
[2026-05-22 22:35:26] [INFO ] [Nat]Absence check using state equation in 1957 ms returned sat
[2026-05-22 22:35:27] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:35:28] [INFO ] [Nat]Added 9982 Read/Feed constraints in 1095 ms returned sat
[2026-05-22 22:35:28] [INFO ] Computed and/alt/rep : 7365/19545/7365 causal constraints (skipped 2744 transitions) in 431 ms.
[2026-05-22 22:35:29] [INFO ] Added : 1 causal constraints over 1 iterations in 1479 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 3 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 2803 transition count 10154
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 11 place count 2803 transition count 10153
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 21 place count 2803 transition count 10153
Applied a total of 21 rules in 1981 ms. Remains 2803 /2808 variables (removed 5) and now considering 10153/10159 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1981 ms. Remains : 2803/2808 places, 10153/10159 transitions.
// Phase 1: matrix 10153 rows 2803 cols
[2026-05-22 22:35:31] [INFO ] Computed 52 invariants in 304 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4350 resets) in 14334 ms. (69 steps per ms)
BEST_FIRST walk for 1000001 steps (68 resets) in 1523 ms. (656 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:35:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:35:48] [INFO ] [Real]Absence check using 50 positive place invariants in 42 ms returned sat
[2026-05-22 22:35:48] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:35:50] [INFO ] [Real]Absence check using state equation in 2028 ms returned sat
[2026-05-22 22:35:50] [INFO ] State equation strengthened by 10001 read => feed constraints.
[2026-05-22 22:35:51] [INFO ] [Real]Added 10001 Read/Feed constraints in 1176 ms returned sat
[2026-05-22 22:35:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:35:52] [INFO ] [Nat]Absence check using 50 positive place invariants in 46 ms returned sat
[2026-05-22 22:35:52] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:35:54] [INFO ] [Nat]Absence check using state equation in 2088 ms returned sat
[2026-05-22 22:35:56] [INFO ] [Nat]Added 10001 Read/Feed constraints in 2086 ms returned sat
[2026-05-22 22:35:56] [INFO ] Computed and/alt/rep : 7359/19569/7359 causal constraints (skipped 2744 transitions) in 470 ms.
[2026-05-22 22:35:58] [INFO ] Added : 9 causal constraints over 2 iterations in 2203 ms. Result :sat
Minimization took 6061 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 520 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 521 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 525 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
[2026-05-22 22:36:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:36:09] [INFO ] Implicit Places using invariants in 3577 ms returned []
Implicit Place search using SMT only with invariants took 3578 ms to find 0 implicit places.
Running 10103 sub problems to find dead transitions.
[2026-05-22 22:36:09] [INFO ] Invariant cache hit.
[2026-05-22 22:36:09] [INFO ] State equation strengthened by 10001 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
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(s177 0.0)
(s178 1.0)
(s179 0.0)
(s180 0.0)
(s181 0.0)
(s182 0.0)
(s183 0.0)
(s184 1.0)
(s185 0.0)
(s186 0.0)timeout

org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10103 unsolved
SMT process timed out in 40314ms, After SMT, problems are : Problem set: 0 solved, 10103 unsolved
Search for dead transitions found 0 dead transitions in 40328ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44442 ms. Remains : 2803/2803 places, 10153/10153 transitions.
[2026-05-22 22:36:49] [INFO ] Flatten gal took : 181 ms
RANDOM walk for 40000 steps (172 resets) in 769 ms. (51 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 2/2 properties
[2026-05-22 22:36:50] [INFO ] Flatten gal took : 185 ms
[2026-05-22 22:36:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4676149429127931314.gal : 33 ms
[2026-05-22 22:36:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10255684486379895967.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/ReachabilityCardinality4676149429127931314.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10255684486379895967.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/ReachabilityCardinality10255684486379895967.prop.
Interrupted probabilistic random walk after 82168 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 2
Probabilistic random walk after 82168 steps, saw 28737 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
[2026-05-22 22:36:53] [INFO ] Invariant cache hit.
[2026-05-22 22:36:53] [INFO ] State equation strengthened by 10001 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) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:36:53] [INFO ] Deduced a trap composed of 2 places in 66 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:36:53] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:36:56] [INFO ] Deduced a trap composed of 54 places in 2634 ms of which 208 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:36:59] [INFO ] Deduced a trap composed of 55 places in 2525 ms of which 196 ms to minimize.
SMT process timed out in 6095ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 537 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 537 ms. Remains : 2803/2803 places, 10153/10153 transitions.
RANDOM walk for 40000 steps (173 resets) in 730 ms. (54 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 87702 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :0 out of 1
Probabilistic random walk after 87702 steps, saw 29563 distinct states, run finished after 3001 ms. (steps per millisecond=29 ) properties seen :0
[2026-05-22 22:37:02] [INFO ] Invariant cache hit.
[2026-05-22 22:37:02] [INFO ] State equation strengthened by 10001 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2700/2701 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:03] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2701 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2701 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2799 variables, 49/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2799 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2801 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:06] [INFO ] Deduced a trap composed of 54 places in 2992 ms of which 264 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:09] [INFO ] Deduced a trap composed of 55 places in 2878 ms of which 232 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:12] [INFO ] Deduced a trap composed of 55 places in 2430 ms of which 217 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:14] [INFO ] Deduced a trap composed of 55 places in 2349 ms of which 189 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:16] [INFO ] Deduced a trap composed of 55 places in 2392 ms of which 205 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:19] [INFO ] Deduced a trap composed of 55 places in 2297 ms of which 206 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:21] [INFO ] Deduced a trap composed of 55 places in 2243 ms of which 199 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:23] [INFO ] Deduced a trap composed of 55 places in 2264 ms of which 191 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:26] [INFO ] Deduced a trap composed of 55 places in 2102 ms of which 171 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:28] [INFO ] Deduced a trap composed of 55 places in 2099 ms of which 182 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:30] [INFO ] Deduced a trap composed of 55 places in 1871 ms of which 187 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:32] [INFO ] Deduced a trap composed of 55 places in 1926 ms of which 174 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:33] [INFO ] Deduced a trap composed of 55 places in 1788 ms of which 166 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:35] [INFO ] Deduced a trap composed of 55 places in 1677 ms of which 168 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:37] [INFO ] Deduced a trap composed of 55 places in 1688 ms of which 162 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:39] [INFO ] Deduced a trap composed of 55 places in 1678 ms of which 159 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 22:37:40] [INFO ] Flatten gal took : 176 ms
[2026-05-22 22:37:40] [INFO ] Applying decomposition
[2026-05-22 22:37:40] [INFO ] Flatten gal took : 181 ms
[2026-05-22 22:37:40] [INFO ] Deduced a trap composed of 55 places in 1591 ms of which 153 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 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/graph1102740835603838736.txt' '-o' '/tmp/graph1102740835603838736.bin' '-w' '/tmp/graph1102740835603838736.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1102740835603838736.bin' '-l' '-1' '-v' '-w' '/tmp/graph1102740835603838736.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:37:40] [INFO ] Decomposing Gal with order
[2026-05-22 22:37:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:37:41] [INFO ] Removed a total of 7698 redundant transitions.
[2026-05-22 22:37:41] [INFO ] Flatten gal took : 632 ms
[2026-05-22 22:37:42] [INFO ] Deduced a trap composed of 55 places in 1431 ms of which 153 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 9658 labels/synchronizations in 472 ms.
[2026-05-22 22:37:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality991910027262484334.gal : 54 ms
[2026-05-22 22:37:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10703599166684102739.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/ReachabilityCardinality991910027262484334.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10703599166684102739.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 ...307
[2026-05-22 22:37:43] [INFO ] Deduced a trap composed of 55 places in 1376 ms of which 150 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality10703599166684102739.prop.
[2026-05-22 22:37:44] [INFO ] Deduced a trap composed of 55 places in 1286 ms of which 145 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2801 variables, 20/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:46] [INFO ] Deduced a trap composed of 55 places in 1217 ms of which 139 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4984
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4984 after 4984
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4984 after 5112
[2026-05-22 22:37:47] [INFO ] Deduced a trap composed of 55 places in 1173 ms of which 143 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:37:48] [INFO ] Deduced a trap composed of 55 places in 1144 ms of which 127 ms to minimize.
SMT process timed out in 45597ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2803 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 583 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 583 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2803/2803 places, 10153/10153 transitions.
Applied a total of 0 rules in 510 ms. Remains 2803 /2803 variables (removed 0) and now considering 10153/10153 (removed 0) transitions.
[2026-05-22 22:37:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:37:53] [INFO ] Implicit Places using invariants in 3459 ms returned []
Implicit Place search using SMT only with invariants took 3459 ms to find 0 implicit places.
Running 10103 sub problems to find dead transitions.
[2026-05-22 22:37:53] [INFO ] Invariant cache hit.
[2026-05-22 22:37:53] [INFO ] State equation strengthened by 10001 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :5112 after 2.42533e+06
Detected timeout of ITS tools.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 1.0)
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(s596 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2802 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10103 unsolved
SMT process timed out in 40089ms, After SMT, problems are : Problem set: 0 solved, 10103 unsolved
Search for dead transitions found 0 dead transitions in 40103ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44084 ms. Remains : 2803/2803 places, 10153/10153 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[50]
Ending property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-12 in 193001 ms.
Starting property specific reduction for CANInsertWithFailure-PT-050-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[50]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[50]
// Phase 1: matrix 10159 rows 2808 cols
[2026-05-22 22:38:33] [INFO ] Computed 52 invariants in 294 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[50]
RANDOM walk for 10000 steps (42 resets) in 144 ms. (68 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 16 ms. (588 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:38:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:38:33] [INFO ] [Real]Absence check using 50 positive place invariants in 41 ms returned sat
[2026-05-22 22:38:33] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:38:36] [INFO ] [Real]Absence check using state equation in 2101 ms returned sat
[2026-05-22 22:38:36] [INFO ] State equation strengthened by 9982 read => feed constraints.
[2026-05-22 22:38:37] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:38:37] [INFO ] [Real]Added 9982 Read/Feed constraints in 1452 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2808 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2808/2808 places, 10159/10159 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 2802 transition count 10153
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 2802 transition count 10152
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 0 with 9 rules applied. Total rules applied 22 place count 2802 transition count 10152
Applied a total of 22 rules in 1899 ms. Remains 2802 /2808 variables (removed 6) and now considering 10152/10159 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1899 ms. Remains : 2802/2808 places, 10152/10159 transitions.
// Phase 1: matrix 10152 rows 2802 cols
[2026-05-22 22:38:40] [INFO ] Computed 52 invariants in 384 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[50]
RANDOM walk for 1000000 steps (4353 resets) in 14192 ms. (70 steps per ms)
BEST_FIRST walk for 1000001 steps (68 resets) in 1419 ms. (704 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[50]
[2026-05-22 22:38:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:38:55] [INFO ] [Real]Absence check using 50 positive place invariants in 40 ms returned sat
[2026-05-22 22:38:55] [INFO ] [Real]Absence check using 50 positive and 2 generalized place invariants in 20 ms returned sat
[2026-05-22 22:38:57] [INFO ] [Real]Absence check using state equation in 1973 ms returned sat
[2026-05-22 22:38:58] [INFO ] State equation strengthened by 10002 read => feed constraints.
[2026-05-22 22:38:59] [INFO ] [Real]Added 10002 Read/Feed constraints in 1339 ms returned sat
[2026-05-22 22:38:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:38:59] [INFO ] [Nat]Absence check using 50 positive place invariants in 43 ms returned sat
[2026-05-22 22:39:00] [INFO ] [Nat]Absence check using 50 positive and 2 generalized place invariants in 21 ms returned sat
[2026-05-22 22:39:02] [INFO ] [Nat]Absence check using state equation in 2081 ms returned sat
[2026-05-22 22:39:03] [INFO ] [Nat]Added 10002 Read/Feed constraints in 1383 ms returned sat
[2026-05-22 22:39:04] [INFO ] Computed and/alt/rep : 7358/19571/7358 causal constraints (skipped 2744 transitions) in 438 ms.
[2026-05-22 22:39:05] [INFO ] Added : 7 causal constraints over 2 iterations in 2257 ms. Result :sat
Minimization took 5996 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[50]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[50]
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 592 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 592 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 530 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:39:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:39:16] [INFO ] Implicit Places using invariants in 3620 ms returned []
Implicit Place search using SMT only with invariants took 3620 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:39:16] [INFO ] Invariant cache hit.
[2026-05-22 22:39:16] [INFO ] State equation strengthened by 10002 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/2801 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 10102 unsolved
SMT process timed out in 40157ms, After SMT, problems are : Problem set: 0 solved, 10102 unsolved
Search for dead transitions found 0 dead transitions in 40171ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44334 ms. Remains : 2802/2802 places, 10152/10152 transitions.
[2026-05-22 22:39:57] [INFO ] Flatten gal took : 217 ms
RANDOM walk for 40000 steps (172 resets) in 855 ms. (46 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 2/2 properties
[2026-05-22 22:39:57] [INFO ] Flatten gal took : 169 ms
[2026-05-22 22:39:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2761990675406443936.gal : 31 ms
[2026-05-22 22:39:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1845397720957700192.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/ReachabilityCardinality2761990675406443936.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1845397720957700192.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/ReachabilityCardinality1845397720957700192.prop.
Interrupted probabilistic random walk after 84505 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 2
Probabilistic random walk after 84505 steps, saw 29128 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 22:40:00] [INFO ] Invariant cache hit.
[2026-05-22 22:40:00] [INFO ] State equation strengthened by 10002 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) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:40:00] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:40:00] [INFO ] Deduced a trap composed of 2 places in 70 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:40:03] [INFO ] Deduced a trap composed of 54 places in 2784 ms of which 211 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:40:06] [INFO ] Deduced a trap composed of 55 places in 2774 ms of which 192 ms to minimize.
SMT process timed out in 6484ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 513 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 513 ms. Remains : 2802/2802 places, 10152/10152 transitions.
RANDOM walk for 40000 steps (171 resets) in 728 ms. (54 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 88329 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :0 out of 1
Probabilistic random walk after 88329 steps, saw 29654 distinct states, run finished after 3001 ms. (steps per millisecond=29 ) properties seen :0
[2026-05-22 22:40:10] [INFO ] Invariant cache hit.
[2026-05-22 22:40:10] [INFO ] State equation strengthened by 10002 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:40:10] [INFO ] Deduced a trap composed of 2 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:40:10] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:40:14] [INFO ] Deduced a trap composed of 54 places in 2891 ms of which 208 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 0/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/12954 variables, 2/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/12954 variables, 0/12859 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12954/12954 variables, and 12859 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9199 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2699/2700 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2700 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2700 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 98/2798 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2798 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/2800 variables, 2/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2800 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2800 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 10152/12952 variables, 2800/2855 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/12952 variables, 10002/12857 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/12952 variables, 1/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/12952 variables, 0/12858 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 2/12954 variables, 2/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/12954 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/12954 variables, 0/12860 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12954/12954 variables, and 12860 constraints, problems are : Problem set: 0 solved, 1 unsolved in 6244 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 2802/2802 constraints, ReadFeed: 10002/10002 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15482ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 2802 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 518 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 519 ms. Remains : 2802/2802 places, 10152/10152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2802/2802 places, 10152/10152 transitions.
Applied a total of 0 rules in 518 ms. Remains 2802 /2802 variables (removed 0) and now considering 10152/10152 (removed 0) transitions.
[2026-05-22 22:40:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:40:30] [INFO ] Implicit Places using invariants in 3486 ms returned []
Implicit Place search using SMT only with invariants took 3486 ms to find 0 implicit places.
Running 10102 sub problems to find dead transitions.
[2026-05-22 22:40:30] [INFO ] Invariant cache hit.
[2026-05-22 22:40:30] [INFO ] State equation strengthened by 10002 read => feed constraints.

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ 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