About the Execution of 2025-gold for CANInsertWithFailure-PT-090
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 11188.523 | 3600000.00 | 4268914.00 | 8176.40 | ? ? ? ? ? ? ? ? ? ? 1 ? ? 1 ? ? | normal |
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-177946846500097.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-090, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tall-177946846500097
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 50M
-rw-r--r-- 1 mcc users 9.7K Mar 6 10:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 10:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 10:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 6 10:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Mar 15 07:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 07:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 07:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 138K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 6 10:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:56 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 49M 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-090-UpperBounds-00
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-01
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-02
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-03
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-04
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-05
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-06
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-07
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-08
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-09
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-10
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-11
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-12
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-13
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-14
FORMULA_NAME CANInsertWithFailure-PT-090-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779489162300
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CANInsertWithFailure-PT-090
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 22:32:43] [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 22:32:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:32:44] [INFO ] Load time of PNML (sax parser for PT used): 1067 ms
[2026-05-22 22:32:44] [INFO ] Transformed 17284 places.
[2026-05-22 22:32:44] [INFO ] Transformed 49140 transitions.
[2026-05-22 22:32:44] [INFO ] Parsed PT model containing 17284 places and 49140 transitions and 131400 arcs in 1344 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 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 49140 rows 17284 cols
[2026-05-22 22:33:00] [INFO ] Computed 93 invariants in 14790 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:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 1, 90, 90, 1, 90, 90]
RANDOM walk for 10000 steps (3 resets) in 290 ms. (34 steps per ms)
FORMULA CANInsertWithFailure-PT-090-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CANInsertWithFailure-PT-090-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 140014 steps (28 resets) in 255 ms. (546 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
[2026-05-22 22:33:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:33:03] [INFO ] [Real]Absence check using 91 positive place invariants in 542 ms returned sat
[2026-05-22 22:33:03] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 188 ms returned sat
[2026-05-22 22:33:05] [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 0
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:854)
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 22:33:08] [INFO ] [Real]Absence check using 91 positive place invariants in 516 ms returned sat
[2026-05-22 22:33:08] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 180 ms returned sat
[2026-05-22 22:33:10] [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 1
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:854)
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 22:33:13] [INFO ] [Real]Absence check using 91 positive place invariants in 521 ms returned sat
[2026-05-22 22:33:13] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 182 ms returned sat
[2026-05-22 22:33:15] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:854)
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 22:33:18] [INFO ] [Real]Absence check using 91 positive place invariants in 529 ms returned sat
[2026-05-22 22:33:18] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 180 ms returned sat
[2026-05-22 22:33:20] [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 3
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:854)
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 22:33:23] [INFO ] [Real]Absence check using 91 positive place invariants in 542 ms returned sat
[2026-05-22 22:33:23] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 188 ms returned sat
[2026-05-22 22:33:25] [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 4
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:854)
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 22:33:28] [INFO ] [Real]Absence check using 91 positive place invariants in 544 ms returned sat
[2026-05-22 22:33:28] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 185 ms returned sat
[2026-05-22 22:33:30] [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 5
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:854)
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 22:33:33] [INFO ] [Real]Absence check using 91 positive place invariants in 493 ms returned sat
[2026-05-22 22:33:33] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 177 ms returned sat
[2026-05-22 22:33:35] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:854)
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 22:33:38] [INFO ] [Real]Absence check using 91 positive place invariants in 488 ms returned sat
[2026-05-22 22:33:38] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 175 ms returned sat
[2026-05-22 22:33:40] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:854)
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 22:33:43] [INFO ] [Real]Absence check using 91 positive place invariants in 492 ms returned sat
[2026-05-22 22:33:43] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 176 ms returned sat
[2026-05-22 22:33:45] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 8
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:854)
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 22:33:48] [INFO ] [Real]Absence check using 91 positive place invariants in 497 ms returned sat
[2026-05-22 22:33:48] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 183 ms returned sat
[2026-05-22 22:33:50] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:854)
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 22:33:53] [INFO ] [Real]Absence check using 91 positive place invariants in 510 ms returned sat
[2026-05-22 22:33:53] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 188 ms returned sat
[2026-05-22 22:33:55] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:854)
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 22:33:58] [INFO ] [Real]Absence check using 91 positive place invariants in 505 ms returned sat
[2026-05-22 22:33:58] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 176 ms returned sat
[2026-05-22 22:34:01] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 11
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:854)
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 22:34:03] [INFO ] [Real]Absence check using 91 positive place invariants in 537 ms returned sat
[2026-05-22 22:34:03] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 186 ms returned sat
[2026-05-22 22:34:06] [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 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:854)
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 22:34:08] [INFO ] [Real]Absence check using 91 positive place invariants in 498 ms returned sat
[2026-05-22 22:34:08] [INFO ] [Real]Absence check using 91 positive and 2 generalized place invariants in 181 ms returned sat
[2026-05-22 22:34:11] [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 13
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:854)
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)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
Support contains 14 out of 17284 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 17284/17284 places, 49140/49140 transitions.
Graph (complete) has 66151 edges and 17284 vertex of which 17283 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.51 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 630 transitions
Trivial Post-agglo rules discarded 630 transitions
Performed 630 trivial Post agglomeration. Transition count delta: 630
Iterating post reduction 0 with 630 rules applied. Total rules applied 631 place count 17283 transition count 48510
Reduce places removed 630 places and 0 transitions.
Iterating post reduction 1 with 630 rules applied. Total rules applied 1261 place count 16653 transition count 48510
Performed 7998 Post agglomeration using F-continuation condition.Transition count delta: 7998
Deduced a syphon composed of 7998 places in 19 ms
Reduce places removed 7998 places and 0 transitions.
Iterating global reduction 2 with 15996 rules applied. Total rules applied 17257 place count 8655 transition count 40512
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 17258 place count 8655 transition count 40511
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 17259 place count 8654 transition count 40511
Partial Free-agglomeration rule applied 8189 times.
Drop transitions (Partial Free agglomeration) removed 8189 transitions
Iterating global reduction 3 with 8189 rules applied. Total rules applied 25448 place count 8654 transition count 40511
Applied a total of 25448 rules in 23786 ms. Remains 8654 /17284 variables (removed 8630) and now considering 40511/49140 (removed 8629) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23802 ms. Remains : 8654/17284 places, 40511/49140 transitions.
[2026-05-22 22:34:34] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
// Phase 1: matrix 40509 rows 8654 cols
[2026-05-22 22:34:38] [INFO ] Computed 92 invariants in 3604 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
RANDOM walk for 854861 steps (1580 resets) in 30001 ms. (28 steps per ms)
BEST_FIRST walk for 14000014 steps (206 resets) in 31722 ms. (441 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] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
[2026-05-22 22:35:40] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 22:35:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:35:41] [INFO ] [Real]Absence check using 90 positive place invariants in 157 ms returned sat
[2026-05-22 22:35:41] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 78 ms returned sat
[2026-05-22 22:35:57] [INFO ] [Real]Absence check using state equation in 16435 ms returned sat
[2026-05-22 22:35:59] [INFO ] State equation strengthened by 40202 read => feed constraints.
[2026-05-22 22:36:05] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:36:10] [INFO ] [Real]Added 40202 Read/Feed constraints in 11166 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:36:11] [INFO ] [Real]Absence check using 90 positive place invariants in 167 ms returned sat
[2026-05-22 22:36:11] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 83 ms returned sat
[2026-05-22 22:36:27] [INFO ] [Real]Absence check using state equation in 16146 ms returned sat
[2026-05-22 22:36:35] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:36:38] [INFO ] [Real]Added 40202 Read/Feed constraints in 10222 ms returned sat
[2026-05-22 22:36:39] [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 22:36:40] [INFO ] [Nat]Absence check using 90 positive place invariants in 165 ms returned sat
[2026-05-22 22:36:40] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 77 ms returned sat
[2026-05-22 22:37:00] [INFO ] [Nat]Absence check using state equation in 19490 ms returned sat
[2026-05-22 22:37:06] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:37:09] [INFO ] [Nat]Added 40202 Read/Feed constraints in 9546 ms returned sat
[2026-05-22 22:37:13] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 2621 ms.
Minimization took 11339 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:37:25] [INFO ] [Real]Absence check using 90 positive place invariants in 156 ms returned sat
[2026-05-22 22:37:25] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 79 ms returned sat
[2026-05-22 22:37:45] [INFO ] [Real]Absence check using state equation in 19588 ms returned sat
[2026-05-22 22:37:52] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:37:56] [INFO ] [Real]Added 40202 Read/Feed constraints in 9772 ms returned sat
[2026-05-22 22:37:56] [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 22:37:57] [INFO ] [Nat]Absence check using 90 positive place invariants in 164 ms returned sat
[2026-05-22 22:37:58] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 75 ms returned sat
[2026-05-22 22:38:18] [INFO ] [Nat]Absence check using state equation in 20543 ms returned sat
[2026-05-22 22:38:25] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:38:28] [INFO ] [Nat]Added 40202 Read/Feed constraints in 9786 ms returned sat
[2026-05-22 22:38:31] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 2162 ms.
Minimization took 10582 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:38:43] [INFO ] [Real]Absence check using 90 positive place invariants in 160 ms returned sat
[2026-05-22 22:38:43] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 75 ms returned sat
[2026-05-22 22:38:59] [INFO ] [Real]Absence check using state equation in 16018 ms returned sat
[2026-05-22 22:39:06] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:39:10] [INFO ] [Real]Added 40202 Read/Feed constraints in 10873 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:39:11] [INFO ] [Real]Absence check using 90 positive place invariants in 163 ms returned sat
[2026-05-22 22:39:11] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 78 ms returned sat
[2026-05-22 22:39:31] [INFO ] [Real]Absence check using state equation in 19136 ms returned sat
[2026-05-22 22:39:38] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:39:42] [INFO ] [Real]Added 40202 Read/Feed constraints in 10787 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:39:43] [INFO ] [Real]Absence check using 90 positive place invariants in 152 ms returned sat
[2026-05-22 22:39:43] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 75 ms returned sat
[2026-05-22 22:39:59] [INFO ] [Real]Absence check using state equation in 15709 ms returned sat
[2026-05-22 22:40:06] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:40:11] [INFO ] [Real]Added 40202 Read/Feed constraints in 10855 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:40:12] [INFO ] [Real]Absence check using 90 positive place invariants in 151 ms returned sat
[2026-05-22 22:40:12] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 73 ms returned sat
[2026-05-22 22:40:29] [INFO ] [Real]Absence check using state equation in 17539 ms returned sat
[2026-05-22 22:40:37] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:40:40] [INFO ] [Real]Added 40202 Read/Feed constraints in 10245 ms returned sat
[2026-05-22 22:40:41] [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 22:40:42] [INFO ] [Nat]Absence check using 90 positive place invariants in 144 ms returned sat
[2026-05-22 22:40:42] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 65 ms returned sat
[2026-05-22 22:41:00] [INFO ] [Nat]Absence check using state equation in 18147 ms returned sat
[2026-05-22 22:41:07] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:41:09] [INFO ] [Nat]Added 40202 Read/Feed constraints in 8914 ms returned sat
[2026-05-22 22:41:12] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 1869 ms.
Minimization took 14282 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:41:27] [INFO ] [Real]Absence check using 90 positive place invariants in 156 ms returned sat
[2026-05-22 22:41:27] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 76 ms returned sat
[2026-05-22 22:41:44] [INFO ] [Real]Absence check using state equation in 16273 ms returned sat
[2026-05-22 22:41:51] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:41:55] [INFO ] [Real]Added 40202 Read/Feed constraints in 10702 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:41:56] [INFO ] [Real]Absence check using 90 positive place invariants in 142 ms returned sat
[2026-05-22 22:41:56] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 72 ms returned sat
[2026-05-22 22:42:13] [INFO ] [Real]Absence check using state equation in 16327 ms returned sat
[2026-05-22 22:42:20] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:42:24] [INFO ] [Real]Added 40202 Read/Feed constraints in 10778 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:42:25] [INFO ] [Real]Absence check using 90 positive place invariants in 152 ms returned sat
[2026-05-22 22:42:25] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 74 ms returned sat
[2026-05-22 22:42:43] [INFO ] [Real]Absence check using state equation in 18145 ms returned sat
[2026-05-22 22:42:51] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:42:54] [INFO ] [Real]Added 40202 Read/Feed constraints in 9257 ms returned sat
[2026-05-22 22:42:54] [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 22:42:55] [INFO ] [Nat]Absence check using 90 positive place invariants in 159 ms returned sat
[2026-05-22 22:42:55] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 74 ms returned sat
[2026-05-22 22:43:13] [INFO ] [Nat]Absence check using state equation in 17380 ms returned sat
[2026-05-22 22:43:19] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:43:24] [INFO ] [Nat]Added 40202 Read/Feed constraints in 10906 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:43:25] [INFO ] [Real]Absence check using 90 positive place invariants in 159 ms returned sat
[2026-05-22 22:43:25] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 73 ms returned sat
[2026-05-22 22:43:42] [INFO ] [Real]Absence check using state equation in 17525 ms returned sat
[2026-05-22 22:43:49] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:43:54] [INFO ] [Real]Added 40202 Read/Feed constraints in 10760 ms returned sat
[2026-05-22 22:43:55] [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 22:43:56] [INFO ] [Nat]Absence check using 90 positive place invariants in 170 ms returned sat
[2026-05-22 22:43:56] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 76 ms returned sat
[2026-05-22 22:44:14] [INFO ] [Nat]Absence check using state equation in 18300 ms returned sat
[2026-05-22 22:44:20] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:44:22] [INFO ] [Nat]Added 40202 Read/Feed constraints in 7810 ms returned sat
[2026-05-22 22:44:25] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 1941 ms.
Minimization took 15075 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:44:41] [INFO ] [Real]Absence check using 90 positive place invariants in 157 ms returned sat
[2026-05-22 22:44:41] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 77 ms returned sat
[2026-05-22 22:44:57] [INFO ] [Real]Absence check using state equation in 16297 ms returned sat
[2026-05-22 22:45:04] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:45:09] [INFO ] [Real]Added 40202 Read/Feed constraints in 10732 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:45:10] [INFO ] [Real]Absence check using 90 positive place invariants in 166 ms returned sat
[2026-05-22 22:45:10] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 82 ms returned sat
[2026-05-22 22:45:28] [INFO ] [Real]Absence check using state equation in 17735 ms returned sat
[2026-05-22 22:45:35] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:45:40] [INFO ] [Real]Added 40202 Read/Feed constraints in 11069 ms returned sat
[2026-05-22 22:45:40] [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 22:45:42] [INFO ] [Nat]Absence check using 90 positive place invariants in 167 ms returned sat
[2026-05-22 22:45:42] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 74 ms returned sat
[2026-05-22 22:45:59] [INFO ] [Nat]Absence check using state equation in 17890 ms returned sat
[2026-05-22 22:46:06] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:46:10] [INFO ] [Nat]Added 40202 Read/Feed constraints in 10724 ms returned sat
[2026-05-22 22:46:13] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 2175 ms.
Minimization took 12284 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:46:27] [INFO ] [Real]Absence check using 90 positive place invariants in 148 ms returned sat
[2026-05-22 22:46:27] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 72 ms returned sat
[2026-05-22 22:46:43] [INFO ] [Real]Absence check using state equation in 16553 ms returned sat
[2026-05-22 22:46:51] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:46:54] [INFO ] [Real]Added 40202 Read/Feed constraints in 10296 ms returned sat
[2026-05-22 22:46:55] [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 22:46:56] [INFO ] [Nat]Absence check using 90 positive place invariants in 155 ms returned sat
[2026-05-22 22:46:56] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 72 ms returned sat
[2026-05-22 22:47:15] [INFO ] [Nat]Absence check using state equation in 19030 ms returned sat
[2026-05-22 22:47:22] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:47:24] [INFO ] [Nat]Added 40202 Read/Feed constraints in 9240 ms returned sat
[2026-05-22 22:47:28] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 2264 ms.
Minimization took 12508 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
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] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
Support contains 14 out of 8654 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Applied a total of 0 rules in 3315 ms. Remains 8654 /8654 variables (removed 0) and now considering 40511/40511 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3315 ms. Remains : 8654/8654 places, 40511/40511 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Applied a total of 0 rules in 3235 ms. Remains 8654 /8654 variables (removed 0) and now considering 40511/40511 (removed 0) transitions.
[2026-05-22 22:47:47] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 22:47:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:48:13] [INFO ] Implicit Places using invariants in 25695 ms returned []
Implicit Place search using SMT only with invariants took 25697 ms to find 0 implicit places.
Running 40421 sub problems to find dead transitions.
[2026-05-22 22:48:13] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 22:48:13] [INFO ] Invariant cache hit.
[2026-05-22 22:48:13] [INFO ] State equation strengthened by 40202 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8653 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 40421 unsolved
SMT process timed out in 180815ms, After SMT, problems are : Problem set: 0 solved, 40421 unsolved
Search for dead transitions found 0 dead transitions in 180979ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 210046 ms. Remains : 8654/8654 places, 40511/40511 transitions.
[2026-05-22 22:51:14] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 22:51:14] [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] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
RANDOM walk for 830290 steps (1534 resets) in 30001 ms. (27 steps per ms)
BEST_FIRST walk for 14000014 steps (210 resets) in 31803 ms. (440 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] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
[2026-05-22 22:52:16] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 22:52:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:52:17] [INFO ] [Real]Absence check using 90 positive place invariants in 156 ms returned sat
[2026-05-22 22:52:17] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 78 ms returned sat
[2026-05-22 22:52:32] [INFO ] [Real]Absence check using state equation in 15342 ms returned sat
[2026-05-22 22:52:33] [INFO ] State equation strengthened by 40202 read => feed constraints.
[2026-05-22 22:52:39] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:52:44] [INFO ] [Real]Added 40202 Read/Feed constraints in 10916 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:52:45] [INFO ] [Real]Absence check using 90 positive place invariants in 148 ms returned sat
[2026-05-22 22:52:45] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 71 ms returned sat
[2026-05-22 22:53:00] [INFO ] [Real]Absence check using state equation in 15480 ms returned sat
[2026-05-22 22:53:08] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:53:11] [INFO ] [Real]Added 40202 Read/Feed constraints in 10044 ms returned sat
[2026-05-22 22:53:12] [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 22:53:13] [INFO ] [Nat]Absence check using 90 positive place invariants in 193 ms returned sat
[2026-05-22 22:53:13] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 76 ms returned sat
[2026-05-22 22:53:33] [INFO ] [Nat]Absence check using state equation in 20174 ms returned sat
[2026-05-22 22:53:40] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:53:43] [INFO ] [Nat]Added 40202 Read/Feed constraints in 9193 ms returned sat
[2026-05-22 22:53:45] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 1811 ms.
Minimization took 11883 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:53:58] [INFO ] [Real]Absence check using 90 positive place invariants in 156 ms returned sat
[2026-05-22 22:53:58] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 76 ms returned sat
[2026-05-22 22:54:14] [INFO ] [Real]Absence check using state equation in 15345 ms returned sat
[2026-05-22 22:54:21] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:54:24] [INFO ] [Real]Added 40202 Read/Feed constraints in 9817 ms returned sat
[2026-05-22 22:54:25] [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 22:54:26] [INFO ] [Nat]Absence check using 90 positive place invariants in 161 ms returned sat
[2026-05-22 22:54:26] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 73 ms returned sat
[2026-05-22 22:54:44] [INFO ] [Nat]Absence check using state equation in 17455 ms returned sat
[2026-05-22 22:54:50] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:54:53] [INFO ] [Nat]Added 40202 Read/Feed constraints in 9061 ms returned sat
[2026-05-22 22:54:55] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 1853 ms.
Minimization took 14696 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:55:11] [INFO ] [Real]Absence check using 90 positive place invariants in 153 ms returned sat
[2026-05-22 22:55:11] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 79 ms returned sat
[2026-05-22 22:55:30] [INFO ] [Real]Absence check using state equation in 18425 ms returned sat
[2026-05-22 22:55:37] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:55:42] [INFO ] [Real]Added 40202 Read/Feed constraints in 10908 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:55:43] [INFO ] [Real]Absence check using 90 positive place invariants in 155 ms returned sat
[2026-05-22 22:55:43] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 74 ms returned sat
[2026-05-22 22:56:01] [INFO ] [Real]Absence check using state equation in 18118 ms returned sat
[2026-05-22 22:56:08] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:56:12] [INFO ] [Real]Added 40202 Read/Feed constraints in 10795 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:56:13] [INFO ] [Real]Absence check using 90 positive place invariants in 157 ms returned sat
[2026-05-22 22:56:13] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 75 ms returned sat
[2026-05-22 22:56:30] [INFO ] [Real]Absence check using state equation in 16709 ms returned sat
[2026-05-22 22:56:37] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:56:42] [INFO ] [Real]Added 40202 Read/Feed constraints in 10729 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:56:43] [INFO ] [Real]Absence check using 90 positive place invariants in 152 ms returned sat
[2026-05-22 22:56:43] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 77 ms returned sat
[2026-05-22 22:57:00] [INFO ] [Real]Absence check using state equation in 16613 ms returned sat
[2026-05-22 22:57:07] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:57:11] [INFO ] [Real]Added 40202 Read/Feed constraints in 10328 ms returned sat
[2026-05-22 22:57:12] [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 22:57:12] [INFO ] [Nat]Absence check using 90 positive place invariants in 158 ms returned sat
[2026-05-22 22:57:13] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 81 ms returned sat
[2026-05-22 22:57:32] [INFO ] [Nat]Absence check using state equation in 19892 ms returned sat
[2026-05-22 22:57:39] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:57:41] [INFO ] [Nat]Added 40202 Read/Feed constraints in 8805 ms returned sat
[2026-05-22 22:57:44] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 1989 ms.
Minimization took 12448 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:57:58] [INFO ] [Real]Absence check using 90 positive place invariants in 154 ms returned sat
[2026-05-22 22:57:58] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 75 ms returned sat
[2026-05-22 22:58:15] [INFO ] [Real]Absence check using state equation in 17587 ms returned sat
[2026-05-22 22:58:23] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:58:27] [INFO ] [Real]Added 40202 Read/Feed constraints in 10894 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:58:28] [INFO ] [Real]Absence check using 90 positive place invariants in 154 ms returned sat
[2026-05-22 22:58:28] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 75 ms returned sat
[2026-05-22 22:58:45] [INFO ] [Real]Absence check using state equation in 17050 ms returned sat
[2026-05-22 22:58:52] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:58:57] [INFO ] [Real]Added 40202 Read/Feed constraints in 10735 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:58:58] [INFO ] [Real]Absence check using 90 positive place invariants in 151 ms returned sat
[2026-05-22 22:58:58] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 72 ms returned sat
[2026-05-22 22:59:17] [INFO ] [Real]Absence check using state equation in 19376 ms returned sat
[2026-05-22 22:59:24] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:59:27] [INFO ] [Real]Added 40202 Read/Feed constraints in 9388 ms returned sat
[2026-05-22 22:59:28] [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 22:59:29] [INFO ] [Nat]Absence check using 90 positive place invariants in 164 ms returned sat
[2026-05-22 22:59:29] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 76 ms returned sat
[2026-05-22 22:59:51] [INFO ] [Nat]Absence check using state equation in 21833 ms returned sat
[2026-05-22 22:59:58] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:00:02] [INFO ] [Nat]Added 40202 Read/Feed constraints in 10973 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:00:03] [INFO ] [Real]Absence check using 90 positive place invariants in 157 ms returned sat
[2026-05-22 23:00:03] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 75 ms returned sat
[2026-05-22 23:00:20] [INFO ] [Real]Absence check using state equation in 17013 ms returned sat
[2026-05-22 23:00:27] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:00:31] [INFO ] [Real]Added 40202 Read/Feed constraints in 9926 ms returned sat
[2026-05-22 23:00:32] [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 23:00:33] [INFO ] [Nat]Absence check using 90 positive place invariants in 165 ms returned sat
[2026-05-22 23:00:33] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 74 ms returned sat
[2026-05-22 23:00:50] [INFO ] [Nat]Absence check using state equation in 17364 ms returned sat
[2026-05-22 23:00:57] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:00:58] [INFO ] [Nat]Added 40202 Read/Feed constraints in 7846 ms returned sat
[2026-05-22 23:01:01] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 2024 ms.
Minimization took 15954 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:01:18] [INFO ] [Real]Absence check using 90 positive place invariants in 149 ms returned sat
[2026-05-22 23:01:18] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 73 ms returned sat
[2026-05-22 23:01:34] [INFO ] [Real]Absence check using state equation in 15857 ms returned sat
[2026-05-22 23:01:41] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:01:45] [INFO ] [Real]Added 40202 Read/Feed constraints in 10980 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:01:47] [INFO ] [Real]Absence check using 90 positive place invariants in 159 ms returned sat
[2026-05-22 23:01:47] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 80 ms returned sat
[2026-05-22 23:02:04] [INFO ] [Real]Absence check using state equation in 17770 ms returned sat
[2026-05-22 23:02:12] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:02:16] [INFO ] [Real]Added 40202 Read/Feed constraints in 10806 ms returned sat
[2026-05-22 23:02:17] [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 23:02:18] [INFO ] [Nat]Absence check using 90 positive place invariants in 161 ms returned sat
[2026-05-22 23:02:18] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 74 ms returned sat
[2026-05-22 23:02:37] [INFO ] [Nat]Absence check using state equation in 18906 ms returned sat
[2026-05-22 23:02:43] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:02:47] [INFO ] [Nat]Added 40202 Read/Feed constraints in 10621 ms returned sat
[2026-05-22 23:02:50] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 2101 ms.
Minimization took 11449 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:03:03] [INFO ] [Real]Absence check using 90 positive place invariants in 142 ms returned sat
[2026-05-22 23:03:03] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 70 ms returned sat
[2026-05-22 23:03:19] [INFO ] [Real]Absence check using state equation in 15633 ms returned sat
[2026-05-22 23:03:26] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:03:30] [INFO ] [Real]Added 40202 Read/Feed constraints in 10439 ms returned sat
[2026-05-22 23:03:31] [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 23:03:32] [INFO ] [Nat]Absence check using 90 positive place invariants in 155 ms returned sat
[2026-05-22 23:03:32] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 70 ms returned sat
[2026-05-22 23:03:50] [INFO ] [Nat]Absence check using state equation in 18419 ms returned sat
[2026-05-22 23:03:57] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:03:59] [INFO ] [Nat]Added 40202 Read/Feed constraints in 9151 ms returned sat
[2026-05-22 23:04:02] [INFO ] Computed and/alt/rep : 31877/87542/31875 causal constraints (skipped 8544 transitions) in 2019 ms.
Minimization took 13523 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
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] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
Support contains 14 out of 8654 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Applied a total of 0 rules in 3123 ms. Remains 8654 /8654 variables (removed 0) and now considering 40511/40511 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3123 ms. Remains : 8654/8654 places, 40511/40511 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Applied a total of 0 rules in 3185 ms. Remains 8654 /8654 variables (removed 0) and now considering 40511/40511 (removed 0) transitions.
[2026-05-22 23:04:22] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:04:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:04:48] [INFO ] Implicit Places using invariants in 25363 ms returned []
Implicit Place search using SMT only with invariants took 25363 ms to find 0 implicit places.
Running 40421 sub problems to find dead transitions.
[2026-05-22 23:04:48] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:04:48] [INFO ] Invariant cache hit.
[2026-05-22 23:04:48] [INFO ] State equation strengthened by 40202 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8653 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 40421 unsolved
SMT process timed out in 188367ms, After SMT, problems are : Problem set: 0 solved, 40421 unsolved
Search for dead transitions found 0 dead transitions in 188426ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 217068 ms. Remains : 8654/8654 places, 40511/40511 transitions.
RANDOM walk for 40000 steps (72 resets) in 4287 ms. (9 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 28/28 properties
[2026-05-22 23:07:59] [INFO ] Flatten gal took : 1716 ms
[2026-05-22 23:08:00] [INFO ] Flatten gal took : 880 ms
[2026-05-22 23:08:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1261091832415942451.gal : 223 ms
[2026-05-22 23:08:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17685358570173231406.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/ReachabilityCardinality1261091832415942451.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17685358570173231406.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
Interrupted probabilistic random walk after 62607 steps, run timeout after 3002 ms. (steps per millisecond=20 ) properties seen :0 out of 28
Probabilistic random walk after 62607 steps, saw 61154 distinct states, run finished after 3005 ms. (steps per millisecond=20 ) properties seen :0
[2026-05-22 23:08:01] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:08:01] [INFO ] Invariant cache hit.
[2026-05-22 23:08:01] [INFO ] State equation strengthened by 40202 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 8458/8472 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:08:03] [INFO ] Deduced a trap composed of 2 places in 313 ms of which 9 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:08:03] [INFO ] Deduced a trap composed of 2 places in 308 ms of which 7 ms to minimize.
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
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8472/49163 variables, and 3 constraints, problems are : Problem set: 13 solved, 15 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 1/90 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8654 constraints, ReadFeed: 0/40202 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 13 solved, 15 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 13 solved, 15 unsolved
Loading property file /tmp/ReachabilityCardinality17685358570173231406.prop.
At refinement iteration 1 (OVERLAPS) 8458/8472 variables, 1/1 constraints. Problems are: Problem set: 13 solved, 15 unsolved
Problem MAX13 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/8472 variables, 2/3 constraints. Problems are: Problem set: 14 solved, 14 unsolved
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timeout
(s1585 0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8472/49163 variables, and 3 constraints, problems are : Problem set: 14 solved, 14 unsolved in 5015 ms.
Refiners :[Positive P Invariants (semi-flows): 1/90 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/8654 constraints, ReadFeed: 0/40202 constraints, PredecessorRefiner: 0/28 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10354ms problems are : Problem set: 14 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 8654 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Applied a total of 0 rules in 3372 ms. Remains 8654 /8654 variables (removed 0) and now considering 40511/40511 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3374 ms. Remains : 8654/8654 places, 40511/40511 transitions.
RANDOM walk for 40000 steps (73 resets) in 2701 ms. (14 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 127 ms. (312 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 79952 steps, run timeout after 3002 ms. (steps per millisecond=26 ) properties seen :0 out of 14
Probabilistic random walk after 79952 steps, saw 77028 distinct states, run finished after 3002 ms. (steps per millisecond=26 ) properties seen :0
[2026-05-22 23:08:19] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:08:19] [INFO ] Invariant cache hit.
[2026-05-22 23:08:19] [INFO ] State equation strengthened by 40202 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 8458/8472 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:08:21] [INFO ] Deduced a trap composed of 2 places in 305 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8472 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8472 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 178/8650 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8650 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 2/8652 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 23:08:51] [INFO ] Flatten gal took : 785 ms
[2026-05-22 23:08:51] [INFO ] Applying decomposition
[2026-05-22 23:08:51] [INFO ] Flatten gal took : 743 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/graph5625200226300320133.txt' '-o' '/tmp/graph5625200226300320133.bin' '-w' '/tmp/graph5625200226300320133.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5625200226300320133.bin' '-l' '-1' '-v' '-w' '/tmp/graph5625200226300320133.weights' '-q' '0' '-e' '0.001'
[2026-05-22 23:08:54] [INFO ] Decomposing Gal with order
[2026-05-22 23:08:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 23:09:00] [INFO ] Deduced a trap composed of 94 places in 22562 ms of which 1353 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:09:00] [INFO ] Removed a total of 36468 redundant transitions.
[2026-05-22 23:09:01] [INFO ] Flatten gal took : 5544 ms
[2026-05-22 23:09:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 26293 labels/synchronizations in 9024 ms.
[2026-05-22 23:09:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16558367307757222713.gal : 188 ms
[2026-05-22 23:09:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8135959806535829339.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/ReachabilityCardinality16558367307757222713.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8135959806535829339.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/ReachabilityCardinality8135959806535829339.prop.
[2026-05-22 23:09:22] [INFO ] Deduced a trap composed of 96 places in 21769 ms of which 1252 ms to minimize.
SMT process timed out in 62577ms, After SMT, problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 8654 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Applied a total of 0 rules in 3202 ms. Remains 8654 /8654 variables (removed 0) and now considering 40511/40511 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3203 ms. Remains : 8654/8654 places, 40511/40511 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Applied a total of 0 rules in 3135 ms. Remains 8654 /8654 variables (removed 0) and now considering 40511/40511 (removed 0) transitions.
[2026-05-22 23:09:28] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:09:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:09:53] [INFO ] Implicit Places using invariants in 24748 ms returned []
Implicit Place search using SMT only with invariants took 24748 ms to find 0 implicit places.
Running 40421 sub problems to find dead transitions.
[2026-05-22 23:09:53] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:09:53] [INFO ] Invariant cache hit.
[2026-05-22 23:09:53] [INFO ] State equation strengthened by 40202 read => feed constraints.
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 11526
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 16384
SDD size :11526 after 11526
SDD proceeding with computation,14 properties remain. new max is 32768
SDD size :11526 after 11703
SDD proceeding with computation,14 properties remain. new max is 65536
SDD size :11703 after 11776
Detected timeout of ITS tools.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8653 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 40421 unsolved
SMT process timed out in 173362ms, After SMT, problems are : Problem set: 0 solved, 40421 unsolved
Search for dead transitions found 0 dead transitions in 173449ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 201398 ms. Remains : 8654/8654 places, 40511/40511 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] Max Struct:[90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90]
Starting property specific reduction for CANInsertWithFailure-PT-090-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:[90]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[90]
[2026-05-22 23:12:46] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:12:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[90]
RANDOM walk for 10000 steps (18 resets) in 327 ms. (30 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 22 ms. (434 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[90]
[2026-05-22 23:12:47] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:12:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 23:12:48] [INFO ] [Real]Absence check using 90 positive place invariants in 146 ms returned sat
[2026-05-22 23:12:48] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 68 ms returned sat
[2026-05-22 23:12:52] [INFO ] [Real]Absence check using state equation in 4033 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[90]
Support contains 1 out of 8654 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 8 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 0 with 22 rules applied. Total rules applied 22 place count 8643 transition count 40500
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 8643 transition count 40500
Applied a total of 24 rules in 9067 ms. Remains 8643 /8654 variables (removed 11) and now considering 40500/40511 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9069 ms. Remains : 8643/8654 places, 40500/40511 transitions.
// Phase 1: matrix 40500 rows 8643 cols
[2026-05-22 23:13:04] [INFO ] Computed 92 invariants in 2916 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[90]
RANDOM walk for 902094 steps (1673 resets) in 30001 ms. (30 steps per ms)
BEST_FIRST walk for 1000001 steps (15 resets) in 2255 ms. (443 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[90]
[2026-05-22 23:13:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:13:37] [INFO ] [Real]Absence check using 90 positive place invariants in 146 ms returned sat
[2026-05-22 23:13:37] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 71 ms returned sat
[2026-05-22 23:13:52] [INFO ] [Real]Absence check using state equation in 15203 ms returned sat
[2026-05-22 23:13:53] [INFO ] State equation strengthened by 40228 read => feed constraints.
[2026-05-22 23:14:00] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:14:04] [INFO ] [Real]Added 40228 Read/Feed constraints in 10239 ms returned sat
[2026-05-22 23:14:04] [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 23:14:05] [INFO ] [Nat]Absence check using 90 positive place invariants in 148 ms returned sat
[2026-05-22 23:14:05] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 67 ms returned sat
[2026-05-22 23:14:21] [INFO ] [Nat]Absence check using state equation in 15799 ms returned sat
[2026-05-22 23:14:28] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:14:31] [INFO ] [Nat]Added 40228 Read/Feed constraints in 9830 ms returned sat
[2026-05-22 23:14:34] [INFO ] Computed and/alt/rep : 31866/87577/31866 causal constraints (skipped 8544 transitions) in 2184 ms.
Minimization took 15385 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[90]
Support contains 1 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Applied a total of 0 rules in 3123 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3124 ms. Remains : 8643/8643 places, 40500/40500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Applied a total of 0 rules in 3207 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
[2026-05-22 23:14:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:15:20] [INFO ] Implicit Places using invariants in 23860 ms returned []
Implicit Place search using SMT only with invariants took 23863 ms to find 0 implicit places.
Running 40410 sub problems to find dead transitions.
[2026-05-22 23:15:20] [INFO ] Invariant cache hit.
[2026-05-22 23:15:20] [INFO ] State equation strengthened by 40228 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8642 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 40410 unsolved
SMT process timed out in 168130ms, After SMT, problems are : Problem set: 0 solved, 40410 unsolved
Search for dead transitions found 0 dead transitions in 168188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195310 ms. Remains : 8643/8643 places, 40500/40500 transitions.
[2026-05-22 23:18:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[90]
RANDOM walk for 915070 steps (1692 resets) in 30001 ms. (30 steps per ms)
BEST_FIRST walk for 1000001 steps (15 resets) in 2103 ms. (475 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[90]
[2026-05-22 23:18:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:18:41] [INFO ] [Real]Absence check using 90 positive place invariants in 130 ms returned sat
[2026-05-22 23:18:41] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 64 ms returned sat
[2026-05-22 23:18:54] [INFO ] [Real]Absence check using state equation in 13576 ms returned sat
[2026-05-22 23:18:55] [INFO ] State equation strengthened by 40228 read => feed constraints.
[2026-05-22 23:19:01] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:19:04] [INFO ] [Real]Added 40228 Read/Feed constraints in 8736 ms returned sat
[2026-05-22 23:19:05] [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 23:19:06] [INFO ] [Nat]Absence check using 90 positive place invariants in 144 ms returned sat
[2026-05-22 23:19:06] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 61 ms returned sat
[2026-05-22 23:19:20] [INFO ] [Nat]Absence check using state equation in 14395 ms returned sat
[2026-05-22 23:19:26] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:19:31] [INFO ] [Nat]Added 40228 Read/Feed constraints in 10700 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[90]
Support contains 1 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Applied a total of 0 rules in 2928 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2929 ms. Remains : 8643/8643 places, 40500/40500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Applied a total of 0 rules in 3000 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
[2026-05-22 23:19:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:20:00] [INFO ] Implicit Places using invariants in 23645 ms returned []
Implicit Place search using SMT only with invariants took 23646 ms to find 0 implicit places.
Running 40410 sub problems to find dead transitions.
[2026-05-22 23:20:00] [INFO ] Invariant cache hit.
[2026-05-22 23:20:01] [INFO ] State equation strengthened by 40228 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8642 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 40410 unsolved
SMT process timed out in 170369ms, After SMT, problems are : Problem set: 0 solved, 40410 unsolved
Search for dead transitions found 0 dead transitions in 170426ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197117 ms. Remains : 8643/8643 places, 40500/40500 transitions.
RANDOM walk for 40000 steps (71 resets) in 2696 ms. (14 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 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 23:22:52] [INFO ] Flatten gal took : 1036 ms
[2026-05-22 23:22:53] [INFO ] Flatten gal took : 706 ms
[2026-05-22 23:22:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4065211109070513896.gal : 115 ms
[2026-05-22 23:22:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6790186897673360574.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/ReachabilityCardinality4065211109070513896.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6790186897673360574.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
Interrupted probabilistic random walk after 84054 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 2
Probabilistic random walk after 84054 steps, saw 77677 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 23:22:55] [INFO ] Invariant cache hit.
[2026-05-22 23:22:55] [INFO ] State equation strengthened by 40228 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) 8460/8461 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 23:22:56] [INFO ] Deduced a trap composed of 2 places in 248 ms of which 6 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:22:56] [INFO ] Deduced a trap composed of 2 places in 247 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8461 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8461 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 178/8639 variables, 89/92 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8639 variables, 0/92 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/8641 variables, 2/94 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality6790186897673360574.prop.
[2026-05-22 23:23:19] [INFO ] Deduced a trap composed of 94 places in 20890 ms of which 1116 ms to minimize.
SMT process timed out in 24143ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Applied a total of 0 rules in 3239 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3240 ms. Remains : 8643/8643 places, 40500/40500 transitions.
RANDOM walk for 40000 steps (73 resets) in 2162 ms. (18 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 86442 steps, run timeout after 3001 ms. (steps per millisecond=28 ) properties seen :0 out of 1
Probabilistic random walk after 86442 steps, saw 78055 distinct states, run finished after 3001 ms. (steps per millisecond=28 ) properties seen :0
[2026-05-22 23:23:26] [INFO ] Invariant cache hit.
[2026-05-22 23:23:26] [INFO ] State equation strengthened by 40228 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) 8460/8461 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 23:23:27] [INFO ] Deduced a trap composed of 2 places in 246 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8461 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8461 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 178/8639 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8639 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/8641 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 23:23:44] [INFO ] Flatten gal took : 671 ms
[2026-05-22 23:23:44] [INFO ] Applying decomposition
[2026-05-22 23:23:44] [INFO ] Flatten gal took : 714 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/graph7671226387090348314.txt' '-o' '/tmp/graph7671226387090348314.bin' '-w' '/tmp/graph7671226387090348314.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7671226387090348314.bin' '-l' '-1' '-v' '-w' '/tmp/graph7671226387090348314.weights' '-q' '0' '-e' '0.001'
[2026-05-22 23:23:46] [INFO ] Decomposing Gal with order
[2026-05-22 23:23:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 23:23:50] [INFO ] Deduced a trap composed of 94 places in 21273 ms of which 1419 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:23:51] [INFO ] Removed a total of 32744 redundant transitions.
[2026-05-22 23:23:52] [INFO ] Flatten gal took : 4607 ms
[2026-05-22 23:24:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 24476 labels/synchronizations in 8680 ms.
[2026-05-22 23:24:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11312921656008119851.gal : 136 ms
[2026-05-22 23:24:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1145246648929365062.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/ReachabilityCardinality11312921656008119851.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1145246648929365062.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/ReachabilityCardinality1145246648929365062.prop.
[2026-05-22 23:24:12] [INFO ] Deduced a trap composed of 96 places in 21552 ms of which 1213 ms to minimize.
SMT process timed out in 45809ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Applied a total of 0 rules in 2871 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2871 ms. Remains : 8643/8643 places, 40500/40500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Applied a total of 0 rules in 3133 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
[2026-05-22 23:24:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 366
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :366 after 366
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :366 after 366
[2026-05-22 23:24:41] [INFO ] Implicit Places using invariants in 23793 ms returned []
Implicit Place search using SMT only with invariants took 23796 ms to find 0 implicit places.
Running 40410 sub problems to find dead transitions.
[2026-05-22 23:24:42] [INFO ] Invariant cache hit.
[2026-05-22 23:24:42] [INFO ] State equation strengthened by 40228 read => feed constraints.
Detected timeout of ITS tools.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8642 variables, 90/90 constraints. Problems are: Problem set: 0 solved, 40410 unsolved
SMT process timed out in 181749ms, After SMT, problems are : Problem set: 0 solved, 40410 unsolved
Search for dead transitions found 0 dead transitions in 181806ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 208789 ms. Remains : 8643/8643 places, 40500/40500 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[90]
Ending property specific reduction for CANInsertWithFailure-PT-090-UpperBounds-00 in 896908 ms.
Starting property specific reduction for CANInsertWithFailure-PT-090-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:[90]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[90]
[2026-05-22 23:27:43] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
// Phase 1: matrix 40509 rows 8654 cols
[2026-05-22 23:27:46] [INFO ] Computed 92 invariants in 2912 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[90]
RANDOM walk for 10000 steps (18 resets) in 442 ms. (22 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 24 ms. (400 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[90]
[2026-05-22 23:27:47] [INFO ] Flow matrix only has 40509 transitions (discarded 2 similar events)
[2026-05-22 23:27:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 23:27:48] [INFO ] [Real]Absence check using 90 positive place invariants in 146 ms returned sat
[2026-05-22 23:27:48] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 69 ms returned sat
[2026-05-22 23:27:52] [INFO ] [Real]Absence check using state equation in 3984 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[90]
Support contains 1 out of 8654 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8654/8654 places, 40511/40511 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 7 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 8642 transition count 40499
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 25 place count 8642 transition count 40499
Applied a total of 25 rules in 8851 ms. Remains 8642 /8654 variables (removed 12) and now considering 40499/40511 (removed 12) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8852 ms. Remains : 8642/8654 places, 40499/40511 transitions.
[2026-05-22 23:28:01] [INFO ] Flow matrix only has 40498 transitions (discarded 1 similar events)
// Phase 1: matrix 40498 rows 8642 cols
[2026-05-22 23:28:04] [INFO ] Computed 92 invariants in 2946 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[90]
RANDOM walk for 859628 steps (1590 resets) in 30001 ms. (28 steps per ms)
BEST_FIRST walk for 1000000 steps (15 resets) in 2233 ms. (447 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[90]
[2026-05-22 23:28:36] [INFO ] Flow matrix only has 40498 transitions (discarded 1 similar events)
[2026-05-22 23:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:28:37] [INFO ] [Real]Absence check using 90 positive place invariants in 157 ms returned sat
[2026-05-22 23:28:37] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 79 ms returned sat
[2026-05-22 23:28:52] [INFO ] [Real]Absence check using state equation in 14906 ms returned sat
[2026-05-22 23:28:53] [INFO ] State equation strengthened by 40228 read => feed constraints.
[2026-05-22 23:28:59] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:29:02] [INFO ] [Real]Added 40228 Read/Feed constraints in 9241 ms returned sat
[2026-05-22 23:29:03] [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 23:29:04] [INFO ] [Nat]Absence check using 90 positive place invariants in 151 ms returned sat
[2026-05-22 23:29:04] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 65 ms returned sat
[2026-05-22 23:29:19] [INFO ] [Nat]Absence check using state equation in 15085 ms returned sat
[2026-05-22 23:29:25] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 23:29:29] [INFO ] [Nat]Added 40228 Read/Feed constraints in 9725 ms returned sat
[2026-05-22 23:29:32] [INFO ] Computed and/alt/rep : 31865/87579/31864 causal constraints (skipped 8544 transitions) in 2338 ms.
Minimization took 15795 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[90]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[90]
Support contains 1 out of 8642 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8642/8642 places, 40499/40499 transitions.
Applied a total of 0 rules in 3208 ms. Remains 8642 /8642 variables (removed 0) and now considering 40499/40499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3208 ms. Remains : 8642/8642 places, 40499/40499 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8642/8642 places, 40499/40499 transitions.
Applied a total of 0 rules in 3194 ms. Remains 8642 /8642 variables (removed 0) and now considering 40499/40499 (removed 0) transitions.
[2026-05-22 23:29:54] [INFO ] Flow matrix only has 40498 transitions (discarded 1 similar events)
[2026-05-22 23:29:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:30:18] [INFO ] Implicit Places using invariants in 23655 ms returned []
Implicit Place search using SMT only with invariants took 23658 ms to find 0 implicit places.
Running 40409 sub problems to find dead transitions.
[2026-05-22 23:30:18] [INFO ] Flow matrix only has 40498 transitions (discarded 1 similar events)
[2026-05-22 23:30:19] [INFO ] Invariant cache hit.
[2026-05-22 23:30:19] [INFO ] State equation strengthened by 40228 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CANInsertWithFailure-PT-090"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is CANInsertWithFailure-PT-090, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r047-tall-177946846500097"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-090.tgz
mv CANInsertWithFailure-PT-090 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;