About the Execution of ITS-Tools for RERS17pb113-PT-4
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 3600000.00 | 0.00 | 0.00 | 4 4 4 4 4 ? ? 4 4 4 4 4 4 ? 4 4 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r170-smll-174889233900397.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is RERS17pb113-PT-4, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r170-smll-174889233900397
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 18K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 117K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 15M May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-00
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-01
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-02
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-03
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-04
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-05
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-06
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-07
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-08
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-09
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-10
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-11
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-12
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-13
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-14
FORMULA_NAME RERS17pb113-PT-4-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1749077049414
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RERS17pb113-PT-4
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-04 22:44:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-04 22:44:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 22:44:12] [INFO ] Load time of PNML (sax parser for PT used): 1170 ms
[2025-06-04 22:44:12] [INFO ] Transformed 639 places.
[2025-06-04 22:44:12] [INFO ] Transformed 31353 transitions.
[2025-06-04 22:44:12] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 1484 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 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]
[2025-06-04 22:44:13] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2025-06-04 22:44:13] [INFO ] Computed 25 invariants in 289 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:[4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
RANDOM walk for 10000 steps (2 resets) in 502 ms. (19 steps per ms)
FORMULA RERS17pb113-PT-4-UpperBounds-15 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-4-UpperBounds-10 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-4-UpperBounds-07 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-4-UpperBounds-03 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-4-UpperBounds-02 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110010 steps (22 resets) in 481 ms. (228 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3, 1, 0, 1, 1, 1, 1, 1, 3, 1, 3] Max Struct:[4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
[2025-06-04 22:44:14] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2025-06-04 22:44:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:44:15] [INFO ] [Real]Absence check using 13 positive place invariants in 20 ms returned sat
[2025-06-04 22:44:15] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 8 ms returned sat
[2025-06-04 22:44:19] [INFO ] [Real]Absence check using state equation in 3921 ms returned sat
[2025-06-04 22:44:20] [INFO ] State equation strengthened by 829 read => feed constraints.
[2025-06-04 22:44:20] [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: Stream close... 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: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:44:20] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2025-06-04 22:44:20] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2025-06-04 22:44:23] [INFO ] [Real]Absence check using state equation in 3789 ms returned sat
[2025-06-04 22:44:25] [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: Stream close... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:44:25] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2025-06-04 22:44:25] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2025-06-04 22:44:29] [INFO ] [Real]Absence check using state equation in 3936 ms returned sat
[2025-06-04 22:44:30] [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 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java: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
[2025-06-04 22:44:30] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2025-06-04 22:44:30] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2025-06-04 22:44:33] [INFO ] [Real]Absence check using state equation in 3654 ms returned sat
[2025-06-04 22:44:35] [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:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:44:35] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2025-06-04 22:44:35] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 7 ms returned sat
[2025-06-04 22:44:39] [INFO ] [Real]Absence check using state equation in 4034 ms returned sat
[2025-06-04 22:44:40] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:44:40] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 22:44:40] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2025-06-04 22:44:44] [INFO ] [Real]Absence check using state equation in 3792 ms returned sat
[2025-06-04 22:44:45] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:44:45] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2025-06-04 22:44:45] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2025-06-04 22:44:49] [INFO ] [Real]Absence check using state equation in 3883 ms returned sat
[2025-06-04 22:44:50] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:44:50] [INFO ] [Real]Absence check using 13 positive place invariants in 25 ms returned sat
[2025-06-04 22:44:50] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2025-06-04 22:44:54] [INFO ] [Real]Absence check using state equation in 3672 ms returned sat
[2025-06-04 22:44:55] [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 7
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:44:55] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 22:44:55] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2025-06-04 22:44:58] [INFO ] [Real]Absence check using state equation in 3494 ms returned sat
[2025-06-04 22:45:00] [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 8
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:45:00] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 22:45:00] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2025-06-04 22:45:04] [INFO ] [Real]Absence check using state equation in 3769 ms returned sat
[2025-06-04 22:45:05] [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 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 22:45:05] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2025-06-04 22:45:05] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 5 ms returned sat
[2025-06-04 22:45:09] [INFO ] [Real]Absence check using state equation in 4110 ms returned sat
[2025-06-04 22:45:10] [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 10
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[3, 1, 0, 1, 1, 1, 1, 1, 3, 1, 3] Max Struct:[4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3, 1, 0, 1, 1, 1, 1, 1, 3, 1, 3] Max Struct:[4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
Support contains 11 out of 639 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 639/639 places, 31353/31353 transitions.
Ensure Unique test removed 12 places
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 627 transition count 31353
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 626 transition count 31352
Applied a total of 13 rules in 1025 ms. Remains 626 /639 variables (removed 13) and now considering 31352/31353 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1049 ms. Remains : 626/639 places, 31352/31353 transitions.
[2025-06-04 22:45:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2025-06-04 22:45:11] [INFO ] Computed 13 invariants in 123 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 1, 0, 1, 1, 1, 1, 1, 3, 1, 3] Max Struct:[4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4]
RANDOM walk for 811953 steps (2 resets) in 30001 ms. (27 steps per ms)
FORMULA RERS17pb113-PT-4-UpperBounds-11 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-4-UpperBounds-09 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-4-UpperBounds-01 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-4-UpperBounds-00 4 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 7000007 steps (14 resets) in 18549 ms. (377 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1, 3, 3, 1, 3] Max Struct:[4, 4, 4, 4, 4, 4, 4]
[2025-06-04 22:46:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 22:46:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:46:00] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2025-06-04 22:46:32] [INFO ] [Real]Absence check using state equation in 31934 ms returned sat
[2025-06-04 22:46:33] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 22:46:38] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:46:42] [INFO ] [Real]Added 268 Read/Feed constraints in 9809 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:46:43] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 22:47:08] [INFO ] [Real]Absence check using state equation in 25779 ms returned sat
[2025-06-04 22:47:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:47:09] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 22:47:36] [INFO ] [Nat]Absence check using state equation in 27048 ms returned sat
[2025-06-04 22:47:41] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:47:47] [INFO ] [Nat]Added 268 Read/Feed constraints in 11210 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:47:47] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 22:48:10] [INFO ] [Real]Absence check using state equation in 22603 ms returned sat
[2025-06-04 22:48:16] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:48:20] [INFO ] [Real]Added 268 Read/Feed constraints in 9935 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:48:21] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 22:48:45] [INFO ] [Real]Absence check using state equation in 24350 ms returned sat
[2025-06-04 22:48:51] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:48:51] [INFO ] [Real]Added 268 Read/Feed constraints in 5311 ms returned sat
[2025-06-04 22:48:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:48:52] [INFO ] [Nat]Absence check using 13 positive place invariants in 24 ms returned sat
[2025-06-04 22:49:17] [INFO ] [Nat]Absence check using state equation in 24770 ms returned sat
[2025-06-04 22:49:22] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:49:25] [INFO ] [Nat]Added 268 Read/Feed constraints in 8549 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 22:49:31] [INFO ] Deduced a trap composed of 40 places in 4935 ms of which 204 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 22:49:35] [INFO ] Deduced a trap composed of 48 places in 4389 ms of which 199 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 22:49:41] [INFO ] Deduced a trap composed of 64 places in 4523 ms of which 202 ms to minimize.
[2025-06-04 22:49:41] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:49:41] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 22:50:07] [INFO ] [Real]Absence check using state equation in 25901 ms returned sat
[2025-06-04 22:50:12] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:50:17] [INFO ] [Real]Added 268 Read/Feed constraints in 9661 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:50:17] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2025-06-04 22:50:31] [INFO ] [Real]Absence check using state equation in 13750 ms returned sat
[2025-06-04 22:50:36] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:50:44] [INFO ] [Real]Added 268 Read/Feed constraints in 13313 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:50:45] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 22:51:10] [INFO ] [Real]Absence check using state equation in 25082 ms returned sat
[2025-06-04 22:51:15] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:51:20] [INFO ] [Real]Added 268 Read/Feed constraints in 9585 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1, 3, 3, 1, 3] Max Struct:[4, 4, 4, 4, 4, 4, 4]
FORMULA RERS17pb113-PT-4-UpperBounds-14 4 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 2, 1, 3, 4, 1] Max Struct:[4, 4, 4, 4, 4, 4]
Support contains 6 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 303 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 303 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 22:51:27] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 22:51:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 2, 1, 3, 4, 1] Max Struct:[4, 4, 4, 4, 4, 4]
FORMULA RERS17pb113-PT-4-UpperBounds-12 4 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 856739 steps (2 resets) in 30001 ms. (28 steps per ms)
BEST_FIRST walk for 5000005 steps (10 resets) in 11188 ms. (446 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1, 3, 1] Max Struct:[4, 4, 4, 4, 4]
[2025-06-04 22:52:08] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 22:52:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:52:08] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 22:52:41] [INFO ] [Real]Absence check using state equation in 32764 ms returned sat
[2025-06-04 22:52:42] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 22:52:47] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:52:52] [INFO ] [Real]Added 268 Read/Feed constraints in 9906 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:52:52] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 22:53:17] [INFO ] [Real]Absence check using state equation in 25368 ms returned sat
[2025-06-04 22:53:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:53:18] [INFO ] [Nat]Absence check using 13 positive place invariants in 21 ms returned sat
[2025-06-04 22:53:44] [INFO ] [Nat]Absence check using state equation in 26063 ms returned sat
[2025-06-04 22:53:49] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:53:55] [INFO ] [Nat]Added 268 Read/Feed constraints in 10937 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:53:55] [INFO ] [Real]Absence check using 13 positive place invariants in 12 ms returned sat
[2025-06-04 22:54:18] [INFO ] [Real]Absence check using state equation in 23137 ms returned sat
[2025-06-04 22:54:23] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:54:28] [INFO ] [Real]Added 268 Read/Feed constraints in 9929 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:54:28] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 22:54:55] [INFO ] [Real]Absence check using state equation in 26426 ms returned sat
[2025-06-04 22:55:01] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:55:02] [INFO ] [Real]Added 268 Read/Feed constraints in 6324 ms returned sat
[2025-06-04 22:55:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:55:02] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 22:55:30] [INFO ] [Nat]Absence check using state equation in 27719 ms returned sat
[2025-06-04 22:55:35] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:55:40] [INFO ] [Nat]Added 268 Read/Feed constraints in 9649 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 22:55:40] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2025-06-04 22:55:54] [INFO ] [Real]Absence check using state equation in 14444 ms returned sat
[2025-06-04 22:56:00] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 22:56:08] [INFO ] [Real]Added 268 Read/Feed constraints in 13755 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1, 3, 1] Max Struct:[4, 4, 4, 4, 4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 2, 1, 3, 1] Max Struct:[4, 4, 4, 4, 4]
Support contains 5 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 247 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 247 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 239 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 22:56:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 22:56:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 22:56:17] [INFO ] Implicit Places using invariants in 5262 ms returned []
Implicit Place search using SMT only with invariants took 5265 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 22:56:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 22:56:18] [INFO ] Invariant cache hit.
[2025-06-04 22:56:18] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 31084 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 31240 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 226423ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 226635ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 232291 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 4043 ms. (9 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 278 ms. (143 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 305 ms. (130 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 235 ms. (169 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 262 ms. (152 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 257 ms. (155 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 265 ms. (150 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 224 ms. (177 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 227 ms. (175 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 207 ms. (192 steps per ms) remains 10/10 properties
[2025-06-04 23:00:09] [INFO ] Flatten gal took : 2065 ms
[2025-06-04 23:00:10] [INFO ] Flatten gal took : 1134 ms
[2025-06-04 23:00:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1093456619421608129.gal : 527 ms
[2025-06-04 23:00:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16679913545239849506.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/ReachabilityCardinality1093456619421608129.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16679913545239849506.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 26589 steps, run timeout after 6002 ms. (steps per millisecond=4 ) properties seen :0 out of 10
Probabilistic random walk after 26589 steps, saw 23928 distinct states, run finished after 6018 ms. (steps per millisecond=4 ) properties seen :0
[2025-06-04 23:00:13] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:00:13] [INFO ] Invariant cache hit.
[2025-06-04 23:00:17] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 283/288 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 23:00:18] [INFO ] Deduced a trap composed of 48 places in 840 ms of which 6 ms to minimize.
Loading property file /tmp/ReachabilityCardinality16679913545239849506.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 288/18951 variables, and 6 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5750 ms.
Refiners :[Positive P Invariants (semi-flows): 5/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 283/288 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/288 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/288 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SMT process timed out in 14980ms, After SMT, problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 299 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 306 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 2759 ms. (14 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 233 ms. (170 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 279 ms. (142 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 256 ms. (155 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 258 ms. (154 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 261 ms. (152 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 244 ms. (163 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 216 ms. (184 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 253 ms. (157 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 221 ms. (180 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 15460 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :0 out of 10
Probabilistic random walk after 15460 steps, saw 14026 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
[2025-06-04 23:00:33] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:00:33] [INFO ] Invariant cache hit.
[2025-06-04 23:00:33] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 283/288 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 23:00:34] [INFO ] Deduced a trap composed of 48 places in 636 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/288 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/288 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 15168/15456 variables, 288/294 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15456 variables, 32/326 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15456 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :6 after 7
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :7 after 10
Detected timeout of ITS tools.
[2025-06-04 23:01:01] [INFO ] Flatten gal took : 766 ms
[2025-06-04 23:01:01] [INFO ] Applying decomposition
[2025-06-04 23:01:02] [INFO ] Flatten gal took : 728 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/graph6210041665829365354.txt' '-o' '/tmp/graph6210041665829365354.bin' '-w' '/tmp/graph6210041665829365354.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6210041665829365354.bin' '-l' '-1' '-v' '-w' '/tmp/graph6210041665829365354.weights' '-q' '0' '-e' '0.001'
[2025-06-04 23:01:05] [INFO ] Decomposing Gal with order
[2025-06-04 23:01:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-04 23:01:10] [INFO ] Removed a total of 91884 redundant transitions.
[2025-06-04 23:01:10] [INFO ] Flatten gal took : 3150 ms
[2025-06-04 23:01:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 1852 labels/synchronizations in 1544 ms.
[2025-06-04 23:01:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3452199680772142464.gal : 181 ms
[2025-06-04 23:01:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15745409841872552387.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/ReachabilityCardinality3452199680772142464.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15745409841872552387.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
At refinement iteration 7 (OVERLAPS) 3495/18951 variables, 338/664 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
SMT process timed out in 45381ms, After SMT, problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 301 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 302 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 284 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:01:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:01:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:01:23] [INFO ] Implicit Places using invariants in 3826 ms returned []
Implicit Place search using SMT only with invariants took 3827 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:01:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:01:23] [INFO ] Invariant cache hit.
[2025-06-04 23:01:23] [INFO ] State equation strengthened by 268 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality15745409841872552387.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 34
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :34 after 63
Detected timeout of ITS tools.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 30979 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 32304 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 222012ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 222212ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 226398 ms. Remains : 626/626 places, 31352/31352 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1, 2, 1, 3, 1] Max Struct:[4, 4, 4, 4, 4]
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[4]
[2025-06-04 23:05:05] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:05:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 10000 steps (2 resets) in 308 ms. (32 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 25 ms. (384 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[4]
[2025-06-04 23:05:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:05:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 23:05:06] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 23:05:09] [INFO ] [Real]Absence check using state equation in 3755 ms returned sat
[2025-06-04 23:05:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:05:11] [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: Stream close... 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: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
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] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 217 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 219 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 23:05:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:05:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 804695 steps (2 resets) in 30001 ms. (26 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2336 ms. (427 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:05:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:05:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 23:05:43] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 23:06:19] [INFO ] [Real]Absence check using state equation in 35468 ms returned sat
[2025-06-04 23:06:20] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:06:25] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 23:06:28] [INFO ] [Real]Added 268 Read/Feed constraints in 8757 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 789 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 790 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 257 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:06:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:06:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:06:37] [INFO ] Implicit Places using invariants in 5460 ms returned []
Implicit Place search using SMT only with invariants took 5467 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:06:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:06:37] [INFO ] Invariant cache hit.
[2025-06-04 23:06:38] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 30937 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 23:10:16] [INFO ] Deduced a trap composed of 64 places in 1149 ms of which 24 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 14 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 30967 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 220108ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 220432ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 226404 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 23:10:17] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:10:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[4]
RANDOM walk for 744641 steps (2 resets) in 30001 ms. (24 steps per ms)
BEST_FIRST walk for 92047 steps (0 resets) in 5001 ms. (18 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:10:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:10:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 23:10:53] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2025-06-04 23:11:28] [INFO ] [Real]Absence check using state equation in 34939 ms returned sat
[2025-06-04 23:11:30] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:11:35] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 23:11:38] [INFO ] [Real]Added 268 Read/Feed constraints in 7696 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 249 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 251 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 352 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:11:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:11:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:11:47] [INFO ] Implicit Places using invariants in 5786 ms returned []
Implicit Place search using SMT only with invariants took 5791 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:11:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:11:47] [INFO ] Invariant cache hit.
[2025-06-04 23:11:48] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 30574 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 30753 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 234066ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 234148ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 240358 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 23:15:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:15:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[4]
FORMULA RERS17pb113-PT-4-UpperBounds-04 4 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 824414 steps (2 resets) in 30002 ms. (27 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 47 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-04 23:16:18] [INFO ] Flatten gal took : 3200 ms
[2025-06-04 23:16:19] [INFO ] Flatten gal took : 1585 ms
[2025-06-04 23:16:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7163714604698984181.gal : 857 ms
[2025-06-04 23:16:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1918606832830172126.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7163714604698984181.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1918606832830172126.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for RERS17pb113-PT-4-UpperBounds-04 in 675237 ms.
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[4]
[2025-06-04 23:16:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:16:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 10000 steps (2 resets) in 433 ms. (23 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 30 ms. (322 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:16:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:16:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 23:16:21] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 23:16:25] [INFO ] [Real]Absence check using state equation in 3750 ms returned sat
[2025-06-04 23:16:26] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:16:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... 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: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
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:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 327 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 343 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 23:16:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:16:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[4]
RANDOM walk for 196720 steps (0 resets) in 30002 ms. (6 steps per ms)
BEST_FIRST walk for 391006 steps (1 resets) in 5001 ms. (78 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:17:02] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:17:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 23:17:02] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 23:17:34] [INFO ] [Real]Absence check using state equation in 32507 ms returned sat
[2025-06-04 23:17:35] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:17:40] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 23:17:44] [INFO ] [Real]Added 268 Read/Feed constraints in 9634 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 203 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 201 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:17:47] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:17:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:17:50] [INFO ] Implicit Places using invariants in 3531 ms returned []
Implicit Place search using SMT only with invariants took 3536 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:17:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:17:50] [INFO ] Invariant cache hit.
[2025-06-04 23:17:51] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 30949 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 32637 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 229101ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 229146ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 232920 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 3822 ms. (10 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 224 ms. (177 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 167 ms. (238 steps per ms) remains 2/2 properties
[2025-06-04 23:21:42] [INFO ] Flatten gal took : 1738 ms
[2025-06-04 23:21:43] [INFO ] Flatten gal took : 721 ms
[2025-06-04 23:21:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1007207505478470938.gal : 146 ms
[2025-06-04 23:21:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2098370358266527734.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/ReachabilityCardinality1007207505478470938.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2098370358266527734.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 19255 steps, run timeout after 3002 ms. (steps per millisecond=6 ) properties seen :0 out of 2
Probabilistic random walk after 19255 steps, saw 17403 distinct states, run finished after 3030 ms. (steps per millisecond=6 ) properties seen :0
[2025-06-04 23:21:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:21:45] [INFO ] Invariant cache hit.
[2025-06-04 23:21:46] [INFO ] State equation strengthened by 268 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) 63/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4448/4512 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4512 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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(t8343 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
SMT process timed out in 6742ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 346 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 370 ms. Remains : 626/626 places, 31352/31352 transitions.
Loading property file /tmp/ReachabilityCardinality2098370358266527734.prop.
RANDOM walk for 40000 steps (8 resets) in 5052 ms. (7 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 238 ms. (167 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 286 ms. (139 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 33407 steps, run timeout after 6002 ms. (steps per millisecond=5 ) properties seen :0 out of 2
Probabilistic random walk after 33407 steps, saw 29991 distinct states, run finished after 6002 ms. (steps per millisecond=5 ) properties seen :0
[2025-06-04 23:22:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:22:00] [INFO ] Invariant cache hit.
[2025-06-04 23:22:01] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4448/4512 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4512 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 11076/15588 variables, 280/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15588 variables, 4/349 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15588 variables, 112/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/15588 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 40/15628 variables, 2/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/15628 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3224/18852 variables, 216/679 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/18852 variables, 5/684 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 10
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 26
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :26 after 34
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :34 after 36
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :36 after 58
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :58 after 101
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :101 after 604
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :604 after 1871
Detected timeout of ITS tools.
[2025-06-04 23:22:34] [INFO ] Flatten gal took : 758 ms
[2025-06-04 23:22:34] [INFO ] Applying decomposition
[2025-06-04 23:22:35] [INFO ] Flatten gal took : 734 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 18852/18951 variables, and 836 constraints, problems are : Problem set: 0 solved, 2 unsolved in 37272 ms.
Refiners :[Positive P Invariants (semi-flows): 12/13 constraints, State Equation: 560/626 constraints, ReadFeed: 264/268 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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/graph12378250639646829970.txt' '-o' '/tmp/graph12378250639646829970.bin' '-w' '/tmp/graph12378250639646829970.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12378250639646829970.bin' '-l' '-1' '-v' '-w' '/tmp/graph12378250639646829970.weights' '-q' '0' '-e' '0.001'
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 23:22:39] [INFO ] Decomposing Gal with order
[2025-06-04 23:22:39] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 3 (OVERLAPS) 4448/4512 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4512 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 23:22:50] [INFO ] Removed a total of 91949 redundant transitions.
[2025-06-04 23:22:50] [INFO ] Flatten gal took : 8644 ms
At refinement iteration 5 (OVERLAPS) 11076/15588 variables, 280/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15588 variables, 4/349 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 23:22:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 1485 labels/synchronizations in 2157 ms.
[2025-06-04 23:22:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17973713664892397207.gal : 237 ms
[2025-06-04 23:22:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4545065645595757761.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/ReachabilityCardinality17973713664892397207.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4545065645595757761.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
At refinement iteration 7 (INCLUDED_ONLY) 0/15588 variables, 112/461 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/15588 variables, 2/463 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 23:23:03] [INFO ] Deduced a trap composed of 64 places in 1189 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 23:23:04] [INFO ] Deduced a trap composed of 48 places in 765 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/15588 variables, 2/465 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/15588 variables, 0/465 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Loading property file /tmp/ReachabilityCardinality4545065645595757761.prop.
At refinement iteration 11 (OVERLAPS) 40/15628 variables, 2/467 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 34
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :34 after 63
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :63 after 260
At refinement iteration 12 (INCLUDED_ONLY) 0/15628 variables, 0/467 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 3224/18852 variables, 216/683 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/18852 variables, 5/688 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SMT process timed out in 82611ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 258 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 258 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 274 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:23:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:23:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:23:27] [INFO ] Implicit Places using invariants in 3947 ms returned []
Implicit Place search using SMT only with invariants took 3949 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:23:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:23:28] [INFO ] Invariant cache hit.
[2025-06-04 23:23:28] [INFO ] State equation strengthened by 268 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) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 31210 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 31022 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 218432ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 218545ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 222836 ms. Remains : 626/626 places, 31352/31352 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[4]
Ending property specific reduction for RERS17pb113-PT-4-UpperBounds-05 in 645729 ms.
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[4]
[2025-06-04 23:27:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:27:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 10000 steps (2 resets) in 623 ms. (16 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 32 ms. (303 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:27:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:27:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 23:27:07] [INFO ] [Real]Absence check using 13 positive place invariants in 22 ms returned sat
[2025-06-04 23:27:11] [INFO ] [Real]Absence check using state equation in 3722 ms returned sat
[2025-06-04 23:27:11] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:27:12] [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:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
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:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 272 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 278 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 23:27:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:27:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[4]
RANDOM walk for 722413 steps (2 resets) in 30001 ms. (24 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2159 ms. (462 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:27:44] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:27:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 23:27:45] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2025-06-04 23:28:04] [INFO ] [Real]Absence check using state equation in 19479 ms returned sat
[2025-06-04 23:28:05] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:28:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 23:28:24] [INFO ] [Real]Added 268 Read/Feed constraints in 18653 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 333 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 334 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 322 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:28:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:28:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:28:31] [INFO ] Implicit Places using invariants in 5546 ms returned []
Implicit Place search using SMT only with invariants took 5553 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:28:31] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:28:31] [INFO ] Invariant cache hit.
[2025-06-04 23:28:31] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 30999 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 31746 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 215464ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 215526ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 221447 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 3813 ms. (10 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 2/2 properties
[2025-06-04 23:32:08] [INFO ] Flatten gal took : 1370 ms
[2025-06-04 23:32:09] [INFO ] Flatten gal took : 753 ms
[2025-06-04 23:32:09] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15601172954413998337.gal : 150 ms
[2025-06-04 23:32:09] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5076114761350478009.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/ReachabilityCardinality15601172954413998337.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5076114761350478009.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 18971 steps, run timeout after 3002 ms. (steps per millisecond=6 ) properties seen :0 out of 2
Probabilistic random walk after 18971 steps, saw 17147 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
[2025-06-04 23:32:11] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:32:11] [INFO ] Invariant cache hit.
[2025-06-04 23:32:11] [INFO ] State equation strengthened by 268 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) 63/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4512/4576 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4576 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SMT process timed out in 5442ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 199 ms.
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Loading property file /tmp/ReachabilityCardinality5076114761350478009.prop.
Applied a total of 0 rules in 330 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 340 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 3928 ms. (10 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 393 ms. (101 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 13289 steps, run timeout after 3002 ms. (steps per millisecond=4 ) properties seen :0 out of 2
Probabilistic random walk after 13289 steps, saw 12093 distinct states, run finished after 3003 ms. (steps per millisecond=4 ) properties seen :0
[2025-06-04 23:32:21] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:32:21] [INFO ] Invariant cache hit.
[2025-06-04 23:32:22] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4512/4576 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4576 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 11384/15960 variables, 264/329 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15960 variables, 4/333 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15960 variables, 112/445 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/15960 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 40/16000 variables, 2/447 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/16000 variables, 0/447 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2951/18951 variables, 298/745 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/18951 variables, 6/751 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 10
At refinement iteration 13 (INCLUDED_ONLY) 0/18951 variables, 156/907 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :10 after 26
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :26 after 34
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :34 after 36
At refinement iteration 14 (INCLUDED_ONLY) 0/18951 variables, 0/907 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :36 after 58
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :58 after 101
At refinement iteration 15 (OVERLAPS) 0/18951 variables, 0/907 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18951/18951 variables, and 907 constraints, problems are : Problem set: 0 solved, 2 unsolved in 28608 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 626/626 constraints, ReadFeed: 268/268 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4512/4576 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :101 after 604
At refinement iteration 4 (INCLUDED_ONLY) 0/4576 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :604 after 1871
At refinement iteration 5 (OVERLAPS) 11384/15960 variables, 264/329 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1871 after 22201
At refinement iteration 6 (INCLUDED_ONLY) 0/15960 variables, 4/333 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Detected timeout of ITS tools.
At refinement iteration 7 (INCLUDED_ONLY) 0/15960 variables, 112/445 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 23:33:00] [INFO ] Flatten gal took : 799 ms
[2025-06-04 23:33:00] [INFO ] Applying decomposition
[2025-06-04 23:33:01] [INFO ] Flatten gal took : 826 ms
At refinement iteration 8 (INCLUDED_ONLY) 0/15960 variables, 2/447 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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/graph7963310390424696725.txt' '-o' '/tmp/graph7963310390424696725.bin' '-w' '/tmp/graph7963310390424696725.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7963310390424696725.bin' '-l' '-1' '-v' '-w' '/tmp/graph7963310390424696725.weights' '-q' '0' '-e' '0.001'
[2025-06-04 23:33:04] [INFO ] Decomposing Gal with order
[2025-06-04 23:33:04] [INFO ] Rewriting arrays to variables to allow decomposition.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 23:33:06] [INFO ] Deduced a trap composed of 64 places in 1276 ms of which 14 ms to minimize.
[2025-06-04 23:33:07] [INFO ] Removed a total of 91912 redundant transitions.
[2025-06-04 23:33:07] [INFO ] Flatten gal took : 1843 ms
At refinement iteration 9 (INCLUDED_ONLY) 0/15960 variables, 1/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 23:33:09] [INFO ] Fuse similar labels procedure discarded/fused a total of 2084 labels/synchronizations in 1100 ms.
[2025-06-04 23:33:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15939807882903127919.gal : 111 ms
[2025-06-04 23:33:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17765671529657583195.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/ReachabilityCardinality15939807882903127919.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17765671529657583195.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
At refinement iteration 10 (INCLUDED_ONLY) 0/15960 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 40/16000 variables, 2/450 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/16000 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Loading property file /tmp/ReachabilityCardinality17765671529657583195.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 63
At refinement iteration 13 (OVERLAPS) 2951/18951 variables, 298/748 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/18951 variables, 6/754 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 18951/18951 variables, and 910 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45031 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 626/626 constraints, ReadFeed: 268/268 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74600ms problems are : Problem set: 0 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 343 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 344 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 345 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:33:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:33:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:33:40] [INFO ] Implicit Places using invariants in 3943 ms returned []
Implicit Place search using SMT only with invariants took 3951 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:33:41] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:33:41] [INFO ] Invariant cache hit.
[2025-06-04 23:33:41] [INFO ] State equation strengthened by 268 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) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 31081 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 31250 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 218513ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 218559ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 222894 ms. Remains : 626/626 places, 31352/31352 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[4]
Ending property specific reduction for RERS17pb113-PT-4-UpperBounds-06 in 612922 ms.
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[4]
[2025-06-04 23:37:19] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:37:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 10000 steps (2 resets) in 479 ms. (20 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 119 ms. (83 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:37:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:37:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 23:37:20] [INFO ] [Real]Absence check using 13 positive place invariants in 21 ms returned sat
[2025-06-04 23:37:24] [INFO ] [Real]Absence check using state equation in 3768 ms returned sat
[2025-06-04 23:37:24] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:37:25] [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 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:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
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:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 305 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 307 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 23:37:25] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:37:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[4]
RANDOM walk for 468272 steps (1 resets) in 30002 ms. (15 steps per ms)
BEST_FIRST walk for 87604 steps (0 resets) in 5004 ms. (17 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:38:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:38:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 23:38:01] [INFO ] [Real]Absence check using 13 positive place invariants in 26 ms returned sat
[2025-06-04 23:38:29] [INFO ] [Real]Absence check using state equation in 28456 ms returned sat
[2025-06-04 23:38:33] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:38:38] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 23:38:43] [INFO ] [Real]Added 268 Read/Feed constraints in 9921 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 215 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 215 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 260 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:38:45] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:38:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:38:50] [INFO ] Implicit Places using invariants in 5539 ms returned []
Implicit Place search using SMT only with invariants took 5543 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:38:50] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:38:50] [INFO ] Invariant cache hit.
[2025-06-04 23:38:51] [INFO ] State equation strengthened by 268 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 30726 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 31351/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 31351 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/626 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 31351 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 626/18951 variables, and 13 constraints, problems are : Problem set: 0 solved, 31351 unsolved in 31367 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 0/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/31351 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 215030ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 215098ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 220955 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 4711 ms. (8 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 175 ms. (227 steps per ms) remains 1/1 properties
[2025-06-04 23:42:28] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:42:28] [INFO ] Invariant cache hit.
[2025-06-04 23:42:28] [INFO ] Flatten gal took : 1586 ms
[2025-06-04 23:42:28] [INFO ] State equation strengthened by 268 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-04 23:42:29] [INFO ] Flatten gal took : 904 ms
[2025-06-04 23:42:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14089461629915937884.gal : 144 ms
[2025-06-04 23:42:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18087842615163255103.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14089461629915937884.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18087842615163255103.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
At refinement iteration 3 (OVERLAPS) 3552/3616 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3616 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
After SMT solving in domain Real declared 13152/18951 variables, and 289 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 1/13 constraints, State Equation: 288/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3552/3616 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3616 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality18087842615163255103.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 13152/18951 variables, and 289 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4205 ms.
Refiners :[Positive P Invariants (semi-flows): 1/13 constraints, State Equation: 288/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9763ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 3588 ms.
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 247 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 258 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 34204 steps (7 resets) in 2018 ms. (16 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA RERS17pb113-PT-4-UpperBounds-08 4 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for RERS17pb113-PT-4-UpperBounds-08 in 322868 ms.
Starting property specific reduction for RERS17pb113-PT-4-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[4]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[4]
[2025-06-04 23:42:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:42:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 10000 steps (2 resets) in 432 ms. (23 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 30 ms. (322 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[4]
[2025-06-04 23:42:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:42:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 23:42:43] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 23:42:46] [INFO ] [Real]Absence check using state equation in 3803 ms returned sat
[2025-06-04 23:42:47] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:42:48] [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:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
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] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 269 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 271 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 23:42:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:42:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[4]
RANDOM walk for 711247 steps (2 resets) in 30001 ms. (23 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2452 ms. (407 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[4]
[2025-06-04 23:43:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:43:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 23:43:21] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 23:43:36] [INFO ] [Real]Absence check using state equation in 15620 ms returned sat
[2025-06-04 23:43:37] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 23:43:42] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 23:43:54] [INFO ] [Real]Added 268 Read/Feed constraints in 16920 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[4]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[4]
Support contains 1 out of 626 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 253 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 253 ms. Remains : 626/626 places, 31352/31352 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 626/626 places, 31352/31352 transitions.
Applied a total of 0 rules in 210 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 23:43:55] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:43:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 23:44:01] [INFO ] Implicit Places using invariants in 5413 ms returned []
Implicit Place search using SMT only with invariants took 5418 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 23:44:01] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 23:44:01] [INFO ] Invariant cache hit.
[2025-06-04 23:44:02] [INFO ] State equation strengthened by 268 read => feed constraints.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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="RERS17pb113-PT-4"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is RERS17pb113-PT-4, 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 r170-smll-174889233900397"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-4.tgz
mv RERS17pb113-PT-4 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 ;