About the Execution of ITS-Tools for RERS17pb113-PT-3
| 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 | 3 3 3 3 3 3 3 3 3 ? 3 ? 3 3 3 ? | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r170-smll-174889233900389.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-3, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r170-smll-174889233900389
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K 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 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K 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 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K 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-3-UpperBounds-00
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-01
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-02
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-03
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-04
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-05
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-06
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-07
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-08
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-09
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-10
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-11
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-12
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-13
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-14
FORMULA_NAME RERS17pb113-PT-3-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1749067020575
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-3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-04 19:57:03] [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 19:57:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 19:57:04] [INFO ] Load time of PNML (sax parser for PT used): 1142 ms
[2025-06-04 19:57:04] [INFO ] Transformed 639 places.
[2025-06-04 19:57:04] [INFO ] Transformed 31353 transitions.
[2025-06-04 19:57:04] [INFO ] Parsed PT model containing 639 places and 31353 transitions and 125418 arcs in 1471 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 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 19:57:05] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
// Phase 1: matrix 18326 rows 639 cols
[2025-06-04 19:57:05] [INFO ] Computed 25 invariants in 158 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:[3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]
RANDOM walk for 10000 steps (2 resets) in 594 ms. (16 steps per ms)
FORMULA RERS17pb113-PT-3-UpperBounds-14 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-3-UpperBounds-05 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-3-UpperBounds-03 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-3-UpperBounds-02 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-3-UpperBounds-01 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110011 steps (22 resets) in 354 ms. (309 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]
[2025-06-04 19:57:06] [INFO ] Flow matrix only has 18326 transitions (discarded 13027 similar events)
[2025-06-04 19:57:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:57:06] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2025-06-04 19:57:06] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2025-06-04 19:57:10] [INFO ] [Real]Absence check using state equation in 3984 ms returned sat
[2025-06-04 19:57:11] [INFO ] State equation strengthened by 829 read => feed constraints.
[2025-06-04 19:57:11] [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: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 19:57:12] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2025-06-04 19:57:12] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 6 ms returned sat
[2025-06-04 19:57:15] [INFO ] [Real]Absence check using state equation in 3681 ms returned sat
[2025-06-04 19:57:16] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: 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 19:57:17] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2025-06-04 19:57:17] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2025-06-04 19:57:20] [INFO ] [Real]Absence check using state equation in 3577 ms returned sat
[2025-06-04 19:57:21] [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 19:57:22] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2025-06-04 19:57:22] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2025-06-04 19:57:25] [INFO ] [Real]Absence check using state equation in 3424 ms returned sat
[2025-06-04 19:57:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 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 19:57:27] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 19:57:27] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 4 ms returned sat
[2025-06-04 19:57:30] [INFO ] [Real]Absence check using state equation in 3373 ms returned sat
[2025-06-04 19:57:31] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 19:57:31] [INFO ] [Real]Added 829 Read/Feed constraints in 1170 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:57:32] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 19:57:32] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 3 ms returned sat
[2025-06-04 19:57:35] [INFO ] [Real]Absence check using state equation in 3425 ms returned sat
[2025-06-04 19:57:36] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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 19:57:37] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2025-06-04 19:57:37] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 7 ms returned sat
[2025-06-04 19:57:40] [INFO ] [Real]Absence check using state equation in 3673 ms returned sat
[2025-06-04 19:57:41] [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: Broken pipe ... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java: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 19:57:42] [INFO ] [Real]Absence check using 13 positive place invariants in 22 ms returned sat
[2025-06-04 19:57:42] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 13 ms returned sat
[2025-06-04 19:57:45] [INFO ] [Real]Absence check using state equation in 3619 ms returned sat
[2025-06-04 19:57:46] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: 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 19:57:47] [INFO ] [Real]Absence check using 13 positive place invariants in 22 ms returned sat
[2025-06-04 19:57:47] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 8 ms returned sat
[2025-06-04 19:57:50] [INFO ] [Real]Absence check using state equation in 3541 ms returned sat
[2025-06-04 19:57:51] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 8
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:57:52] [INFO ] [Real]Absence check using 13 positive place invariants in 22 ms returned sat
[2025-06-04 19:57:52] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 8 ms returned sat
[2025-06-04 19:57:55] [INFO ] [Real]Absence check using state equation in 3600 ms returned sat
[2025-06-04 19:57:56] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 9
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 19:57:57] [INFO ] [Real]Absence check using 13 positive place invariants in 23 ms returned sat
[2025-06-04 19:57:57] [INFO ] [Real]Absence check using 13 positive and 12 generalized place invariants in 10 ms returned sat
[2025-06-04 19:58:00] [INFO ] [Real]Absence check using state equation in 3554 ms returned sat
[2025-06-04 19:58:02] [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:[1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]
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 992 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 1016 ms. Remains : 626/639 places, 31352/31353 transitions.
[2025-06-04 19:58:03] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
// Phase 1: matrix 18325 rows 626 cols
[2025-06-04 19:58:03] [INFO ] Computed 13 invariants in 91 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]
RANDOM walk for 932937 steps (2 resets) in 30001 ms. (31 steps per ms)
FORMULA RERS17pb113-PT-3-UpperBounds-13 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-3-UpperBounds-10 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-3-UpperBounds-08 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA RERS17pb113-PT-3-UpperBounds-04 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 7000007 steps (14 resets) in 13706 ms. (510 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3, 3]
[2025-06-04 19:58:46] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 19:58:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:58:47] [INFO ] [Real]Absence check using 13 positive place invariants in 17 ms returned sat
[2025-06-04 19:59:07] [INFO ] [Real]Absence check using state equation in 20635 ms returned sat
[2025-06-04 19:59:08] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 19:59:14] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 19:59:20] [INFO ] [Real]Added 268 Read/Feed constraints in 11747 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 19:59:20] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:00:05] [INFO ] [Real]Absence check using state equation in 44401 ms returned sat
[2025-06-04 20:00:05] [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 20:00:05] [INFO ] [Nat]Absence check using 13 positive place invariants in 24 ms returned sat
[2025-06-04 20:00:50] [INFO ] [Nat]Absence check using state equation in 44831 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:00:50] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:01:35] [INFO ] [Real]Absence check using state equation in 44908 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:01:35] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 20:02:04] [INFO ] [Real]Absence check using state equation in 28563 ms returned sat
[2025-06-04 20:02:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:02:15] [INFO ] [Real]Added 268 Read/Feed constraints in 10091 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:02:15] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 20:02:42] [INFO ] [Real]Absence check using state equation in 27424 ms returned sat
[2025-06-04 20:02:43] [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 20:02:43] [INFO ] [Nat]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:03:11] [INFO ] [Nat]Absence check using state equation in 28321 ms returned sat
[2025-06-04 20:03:16] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:03:26] [INFO ] [Nat]Added 268 Read/Feed constraints in 14729 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:03:26] [INFO ] [Real]Absence check using 13 positive place invariants in 19 ms returned sat
[2025-06-04 20:03:45] [INFO ] [Real]Absence check using state equation in 19135 ms returned sat
[2025-06-04 20:03:51] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:03:56] [INFO ] [Real]Added 268 Read/Feed constraints in 10020 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:03:56] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 20:04:14] [INFO ] [Real]Absence check using state equation in 18488 ms returned sat
[2025-06-04 20:04:20] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:04:21] [INFO ] [Real]Added 268 Read/Feed constraints in 6746 ms returned sat
[2025-06-04 20:04:22] [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 20:04:22] [INFO ] [Nat]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:04:40] [INFO ] [Nat]Absence check using state equation in 18509 ms returned sat
[2025-06-04 20:04:46] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:04:50] [INFO ] [Nat]Added 268 Read/Feed constraints in 9588 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3, 3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 3, 1, 1, 1, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3, 3]
Support contains 7 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 235 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 235 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 20:04:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:04:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 3, 1, 1, 1, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3, 3]
FORMULA RERS17pb113-PT-3-UpperBounds-06 3 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 930969 steps (2 resets) in 30001 ms. (31 steps per ms)
BEST_FIRST walk for 6000006 steps (12 resets) in 11988 ms. (500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 2, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3]
[2025-06-04 20:05:35] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:05:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:05:35] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:05:55] [INFO ] [Real]Absence check using state equation in 20133 ms returned sat
[2025-06-04 20:05:56] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:06:02] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:06:08] [INFO ] [Real]Added 268 Read/Feed constraints in 11982 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:06:08] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:06:53] [INFO ] [Real]Absence check using state equation in 44916 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:06:53] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:07:20] [INFO ] [Real]Absence check using state equation in 27364 ms returned sat
[2025-06-04 20:07:26] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:07:31] [INFO ] [Real]Added 268 Read/Feed constraints in 9967 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:07:31] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 20:07:57] [INFO ] [Real]Absence check using state equation in 25730 ms returned sat
[2025-06-04 20:08:02] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:08:05] [INFO ] [Real]Added 268 Read/Feed constraints in 8095 ms returned sat
[2025-06-04 20:08:06] [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 20:08:06] [INFO ] [Nat]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 20:08:30] [INFO ] [Nat]Absence check using state equation in 23974 ms returned sat
[2025-06-04 20:08:35] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:08:40] [INFO ] [Nat]Added 268 Read/Feed constraints in 9769 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:08:40] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:08:58] [INFO ] [Real]Absence check using state equation in 18285 ms returned sat
[2025-06-04 20:09:04] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:09:08] [INFO ] [Real]Added 268 Read/Feed constraints in 9826 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:09:08] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 20:09:27] [INFO ] [Real]Absence check using state equation in 18938 ms returned sat
[2025-06-04 20:09:33] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:09:34] [INFO ] [Real]Added 268 Read/Feed constraints in 6045 ms returned sat
[2025-06-04 20:09:34] [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 20:09:34] [INFO ] [Nat]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 20:09:54] [INFO ] [Nat]Absence check using state equation in 19395 ms returned sat
[2025-06-04 20:09:59] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:10:03] [INFO ] [Nat]Added 268 Read/Feed constraints in 9607 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 2, 2, 1] Max Struct:[3, 3, 3, 3, 3, 3]
FORMULA RERS17pb113-PT-3-UpperBounds-12 3 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA RERS17pb113-PT-3-UpperBounds-07 3 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 2, 1] Max Struct:[3, 3, 3, 3]
Support contains 4 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 234 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 238 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 20:10:06] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:10:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 2, 1] Max Struct:[3, 3, 3, 3]
RANDOM walk for 882399 steps (2 resets) in 30001 ms. (29 steps per ms)
FORMULA RERS17pb113-PT-3-UpperBounds-00 3 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3000003 steps (6 resets) in 5994 ms. (500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1] Max Struct:[3, 3, 3]
[2025-06-04 20:10:42] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:10:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:10:42] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 20:11:18] [INFO ] [Real]Absence check using state equation in 35547 ms returned sat
[2025-06-04 20:11:18] [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 20:11:19] [INFO ] [Nat]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:11:46] [INFO ] [Nat]Absence check using state equation in 27057 ms returned sat
[2025-06-04 20:11:46] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:11:51] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:11:58] [INFO ] [Nat]Added 268 Read/Feed constraints in 11877 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:11:58] [INFO ] [Real]Absence check using 13 positive place invariants in 16 ms returned sat
[2025-06-04 20:12:23] [INFO ] [Real]Absence check using state equation in 25767 ms returned sat
[2025-06-04 20:12:29] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:12:33] [INFO ] [Real]Added 268 Read/Feed constraints in 8649 ms returned sat
[2025-06-04 20:12:33] [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 20:12:33] [INFO ] [Nat]Absence check using 13 positive place invariants in 18 ms returned sat
[2025-06-04 20:12:58] [INFO ] [Nat]Absence check using state equation in 24941 ms returned sat
[2025-06-04 20:13:03] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:13:07] [INFO ] [Nat]Added 268 Read/Feed constraints in 9308 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:13:13] [INFO ] Deduced a trap composed of 40 places in 4914 ms of which 208 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:13:19] [INFO ] Deduced a trap composed of 40 places in 5680 ms of which 223 ms to minimize.
[2025-06-04 20:13:19] [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.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 20:13:19] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 20:13:38] [INFO ] [Real]Absence check using state equation in 18630 ms returned sat
[2025-06-04 20:13:44] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:13:45] [INFO ] [Real]Added 268 Read/Feed constraints in 6859 ms returned sat
[2025-06-04 20:13:46] [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 20:13:46] [INFO ] [Nat]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 20:14:04] [INFO ] [Nat]Absence check using state equation in 18610 ms returned sat
[2025-06-04 20:14:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:14:14] [INFO ] [Nat]Added 268 Read/Feed constraints in 9565 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1] Max Struct:[3, 3, 3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 2, 1] Max Struct:[3, 3, 3]
Support contains 3 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 224 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 224 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 20:14:14] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:14:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 2, 1] Max Struct:[3, 3, 3]
RANDOM walk for 947444 steps (2 resets) in 30001 ms. (31 steps per ms)
BEST_FIRST walk for 3000003 steps (6 resets) in 6195 ms. (484 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1] Max Struct:[3, 3, 3]
[2025-06-04 20:14:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:14:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:14:51] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 20:15:19] [INFO ] [Real]Absence check using state equation in 28350 ms returned sat
[2025-06-04 20:15:20] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:15:25] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:15:30] [INFO ] [Real]Added 268 Read/Feed constraints in 10105 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:15:30] [INFO ] [Real]Absence check using 13 positive place invariants in 13 ms returned sat
[2025-06-04 20:15:54] [INFO ] [Real]Absence check using state equation in 24009 ms returned sat
[2025-06-04 20:15:59] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:16:01] [INFO ] [Real]Added 268 Read/Feed constraints in 6824 ms returned sat
[2025-06-04 20:16:02] [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 20:16:02] [INFO ] [Nat]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:16:26] [INFO ] [Nat]Absence check using state equation in 23975 ms returned sat
[2025-06-04 20:16:31] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:16:35] [INFO ] [Nat]Added 268 Read/Feed constraints in 9705 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:16:36] [INFO ] [Real]Absence check using 13 positive place invariants in 14 ms returned sat
[2025-06-04 20:16:55] [INFO ] [Real]Absence check using state equation in 19867 ms returned sat
[2025-06-04 20:17:01] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:17:02] [INFO ] [Real]Added 268 Read/Feed constraints in 6528 ms returned sat
[2025-06-04 20:17:03] [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 20:17:03] [INFO ] [Nat]Absence check using 13 positive place invariants in 17 ms returned sat
[2025-06-04 20:17:22] [INFO ] [Nat]Absence check using state equation in 18745 ms returned sat
[2025-06-04 20:17:27] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:17:31] [INFO ] [Nat]Added 268 Read/Feed constraints in 9547 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:17:36] [INFO ] Deduced a trap composed of 40 places in 4267 ms of which 201 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:17:41] [INFO ] Deduced a trap composed of 48 places in 4310 ms of which 202 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:17:46] [INFO ] Deduced a trap composed of 48 places in 4146 ms of which 174 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:17:50] [INFO ] Deduced a trap composed of 64 places in 4331 ms of which 295 ms to minimize.
[2025-06-04 20:17:50] [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 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.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)
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1] Max Struct:[3, 3, 3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 2, 1] Max Struct:[3, 3, 3]
Support contains 3 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 244 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 244 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 227 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 20:17:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:17:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 20:17:56] [INFO ] Implicit Places using invariants in 4635 ms returned []
Implicit Place search using SMT only with invariants took 4637 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 20:17:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:17:57] [INFO ] Invariant cache hit.
[2025-06-04 20:17:57] [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 30966 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 33683 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 219299ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 219543ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 224592 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 6084 ms. (6 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 366 ms. (109 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 327 ms. (121 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 747 ms. (53 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 296 ms. (134 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 261 ms. (152 steps per ms) remains 6/6 properties
[2025-06-04 20:21:41] [INFO ] Flatten gal took : 2621 ms
[2025-06-04 20:21:42] [INFO ] Flatten gal took : 971 ms
[2025-06-04 20:21:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14711774027906778117.gal : 327 ms
[2025-06-04 20:21:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17428145340720836881.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/ReachabilityCardinality14711774027906778117.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17428145340720836881.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
Interrupted probabilistic random walk after 26271 steps, run timeout after 9002 ms. (steps per millisecond=2 ) properties seen :0 out of 6
Probabilistic random walk after 26271 steps, saw 23319 distinct states, run finished after 9020 ms. (steps per millisecond=2 ) properties seen :0
[2025-06-04 20:21:48] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:21:48] [INFO ] Invariant cache hit.
[2025-06-04 20:21:50] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 127/130 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 5041/5171 variables, 130/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5171/18951 variables, and 132 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5047 ms.
Refiners :[Positive P Invariants (semi-flows): 2/13 constraints, State Equation: 130/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 127/130 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Loading property file /tmp/ReachabilityCardinality17428145340720836881.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 5041/5171 variables, 130/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5171/18951 variables, and 132 constraints, problems are : Problem set: 0 solved, 6 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 2/13 constraints, State Equation: 130/626 constraints, ReadFeed: 0/268 constraints, PredecessorRefiner: 0/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13823ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 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 1575 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 1582 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 12211 ms. (3 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 180 ms. (221 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 339 ms. (117 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 240 ms. (165 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 65225 steps, run timeout after 12001 ms. (steps per millisecond=5 ) properties seen :0 out of 6
Probabilistic random walk after 65225 steps, saw 57622 distinct states, run finished after 12001 ms. (steps per millisecond=5 ) properties seen :0
[2025-06-04 20:22:20] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:22:20] [INFO ] Invariant cache hit.
[2025-06-04 20:22:20] [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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 127/130 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 5041/5171 variables, 130/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5171 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 11364/16535 variables, 296/428 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Detected timeout of ITS tools.
[2025-06-04 20:22:35] [INFO ] Flatten gal took : 1304 ms
[2025-06-04 20:22:35] [INFO ] Applying decomposition
[2025-06-04 20:22:36] [INFO ] Flatten gal took : 1032 ms
At refinement iteration 6 (INCLUDED_ONLY) 0/16535 variables, 6/434 constraints. Problems are: Problem set: 0 solved, 6 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/graph10868019124421727563.txt' '-o' '/tmp/graph10868019124421727563.bin' '-w' '/tmp/graph10868019124421727563.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10868019124421727563.bin' '-l' '-1' '-v' '-w' '/tmp/graph10868019124421727563.weights' '-q' '0' '-e' '0.001'
[2025-06-04 20:22:40] [INFO ] Decomposing Gal with order
[2025-06-04 20:22:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-04 20:22:44] [INFO ] Removed a total of 91798 redundant transitions.
At refinement iteration 7 (INCLUDED_ONLY) 0/16535 variables, 80/514 constraints. Problems are: Problem set: 0 solved, 6 unsolved
[2025-06-04 20:22:44] [INFO ] Flatten gal took : 2585 ms
[2025-06-04 20:22:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 1490 labels/synchronizations in 1649 ms.
[2025-06-04 20:22:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3875376488594972975.gal : 348 ms
[2025-06-04 20:22:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15082573988619933935.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/ReachabilityCardinality3875376488594972975.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15082573988619933935.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 8 (INCLUDED_ONLY) 0/16535 variables, 0/514 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 40/16575 variables, 2/516 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/16575 variables, 0/516 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Loading property file /tmp/ReachabilityCardinality15082573988619933935.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 18951/18951 variables, and 716 constraints, problems are : Problem set: 0 solved, 6 unsolved in 45037 ms.
Refiners :[Positive P Invariants (semi-flows): 10/13 constraints, State Equation: 626/626 constraints, ReadFeed: 80/268 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 127/130 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/130 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 5041/5171 variables, 130/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5171 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 11364/16535 variables, 296/428 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16535 variables, 6/434 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16535 variables, 80/514 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/16535 variables, 6/520 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16535 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Detected timeout of ITS tools.
At refinement iteration 10 (OVERLAPS) 40/16575 variables, 2/522 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:23:47] [INFO ] Deduced a trap composed of 24 places in 1883 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:23:48] [INFO ] Deduced a trap composed of 64 places in 1465 ms of which 12 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 16575/18951 variables, and 524 constraints, problems are : Problem set: 0 solved, 6 unsolved in 45217 ms.
Refiners :[Positive P Invariants (semi-flows): 10/13 constraints, State Equation: 426/626 constraints, ReadFeed: 80/268 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90724ms problems are : Problem set: 0 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3 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 671 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 671 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 20:23:52] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:23:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 20:23:56] [INFO ] Implicit Places using invariants in 4715 ms returned []
Implicit Place search using SMT only with invariants took 4717 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 20:23:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:23:57] [INFO ] Invariant cache hit.
[2025-06-04 20:23:58] [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 31005 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 32017 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 235460ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 235705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 241006 ms. Remains : 626/626 places, 31352/31352 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1, 2, 1] Max Struct:[3, 3, 3]
Starting property specific reduction for RERS17pb113-PT-3-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[3]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3]
[2025-06-04 20:27:53] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:27:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3]
RANDOM walk for 10000 steps (2 resets) in 822 ms. (12 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:[1] Max Struct:[3]
[2025-06-04 20:27:54] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:27:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 20:27:54] [INFO ] [Real]Absence check using 13 positive place invariants in 18 ms returned sat
[2025-06-04 20:27:58] [INFO ] [Real]Absence check using state equation in 3873 ms returned sat
[2025-06-04 20:28:00] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:28:00] [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: 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:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[3]
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 604 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 615 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 20:28:00] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:28:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[3]
RANDOM walk for 552717 steps (1 resets) in 30001 ms. (18 steps per ms)
BEST_FIRST walk for 80675 steps (0 resets) in 5003 ms. (16 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[3]
[2025-06-04 20:28:36] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:28:36] [INFO ] [Real]Absence check using 13 positive place invariants in 27 ms returned sat
[2025-06-04 20:29:19] [INFO ] [Real]Absence check using state equation in 42436 ms returned sat
[2025-06-04 20:29:21] [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 20:29:21] [INFO ] [Nat]Absence check using 13 positive place invariants in 26 ms returned sat
[2025-06-04 20:29:58] [INFO ] [Nat]Absence check using state equation in 37247 ms returned sat
[2025-06-04 20:29:59] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:30:05] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:30:06] [INFO ] [Nat]Added 268 Read/Feed constraints in 6175 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[3]
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 2989 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 2995 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 2843 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 20:30:12] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:30:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 20:30:19] [INFO ] Implicit Places using invariants in 7892 ms returned []
Implicit Place search using SMT only with invariants took 7904 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 20:30:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:30:23] [INFO ] Invariant cache hit.
[2025-06-04 20:30:27] [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 41105 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 31571 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 269087ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 270455ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 283593 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 4744 ms. (8 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 612 ms. (65 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 376 ms. (106 steps per ms) remains 2/2 properties
[2025-06-04 20:34:57] [INFO ] Flatten gal took : 1832 ms
Interrupted probabilistic random walk after 16657 steps, run timeout after 3001 ms. (steps per millisecond=5 ) properties seen :0 out of 2
Probabilistic random walk after 16657 steps, saw 14869 distinct states, run finished after 3001 ms. (steps per millisecond=5 ) properties seen :0
[2025-06-04 20:34:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:34:57] [INFO ] Invariant cache hit.
[2025-06-04 20:34:58] [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) 65/66 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 20:34:58] [INFO ] Flatten gal took : 1124 ms
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 20:34:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5142154467610381803.gal : 375 ms
At refinement iteration 3 (OVERLAPS) 1489/1555 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 20:34:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13360530537547558005.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/ReachabilityCardinality5142154467610381803.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13360530537547558005.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
At refinement iteration 4 (INCLUDED_ONLY) 0/1555 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 3676/5231 variables, 80/147 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5231 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SMT process timed out in 5513ms, After SMT, 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 332 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 366 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 2452 ms. (16 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 217 ms. (183 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 18966 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :0 out of 2
Probabilistic random walk after 18966 steps, saw 16900 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
[2025-06-04 20:35:07] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:35:07] [INFO ] Invariant cache hit.
[2025-06-04 20:35:07] [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) 65/66 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1489/1555 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1555 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Loading property file /tmp/ReachabilityCardinality13360530537547558005.prop.
At refinement iteration 5 (OVERLAPS) 3676/5231 variables, 80/147 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5231 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5231 variables, 20/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5231 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 12296/17527 variables, 288/457 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/17527 variables, 3/460 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/17527 variables, 60/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/17527 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 96/17623 variables, 4/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/17623 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 1328/18951 variables, 192/716 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/18951 variables, 3/719 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/18951 variables, 188/907 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/18951 variables, 0/907 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (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 28662 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) 65/66 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 1489/1555 variables, 66/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1555 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 3676/5231 variables, 80/147 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5231 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5231 variables, 20/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5231 variables, 2/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5231 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 12296/17527 variables, 288/459 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 11 (INCLUDED_ONLY) 0/17527 variables, 3/462 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
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 12 (INCLUDED_ONLY) 0/17527 variables, 60/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Detected timeout of ITS tools.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 20:35:49] [INFO ] Flatten gal took : 782 ms
[2025-06-04 20:35:49] [INFO ] Applying decomposition
[2025-06-04 20:35:49] [INFO ] Deduced a trap composed of 48 places in 1032 ms of which 14 ms to minimize.
[2025-06-04 20:35:50] [INFO ] Flatten gal took : 791 ms
At refinement iteration 13 (INCLUDED_ONLY) 0/17527 variables, 1/523 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/graph15059772458911822185.txt' '-o' '/tmp/graph15059772458911822185.bin' '-w' '/tmp/graph15059772458911822185.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15059772458911822185.bin' '-l' '-1' '-v' '-w' '/tmp/graph15059772458911822185.weights' '-q' '0' '-e' '0.001'
[2025-06-04 20:35:55] [INFO ] Decomposing Gal with order
[2025-06-04 20:35:55] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 14 (INCLUDED_ONLY) 0/17527 variables, 0/523 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 96/17623 variables, 4/527 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 20:35:59] [INFO ] Removed a total of 91898 redundant transitions.
[2025-06-04 20:35:59] [INFO ] Deduced a trap composed of 64 places in 1090 ms of which 9 ms to minimize.
[2025-06-04 20:35:59] [INFO ] Flatten gal took : 1939 ms
At refinement iteration 16 (INCLUDED_ONLY) 0/17623 variables, 1/528 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 20:36:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 1786 labels/synchronizations in 2024 ms.
[2025-06-04 20:36:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1404712820880979240.gal : 220 ms
[2025-06-04 20:36:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10593141331022656547.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/ReachabilityCardinality1404712820880979240.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10593141331022656547.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 17 (INCLUDED_ONLY) 0/17623 variables, 0/528 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
Loading property file /tmp/ReachabilityCardinality10593141331022656547.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 1
After SMT solving in domain Int declared 18951/18951 variables, and 720 constraints, problems are : Problem set: 0 solved, 2 unsolved in 45004 ms.
Refiners :[Positive P Invariants (semi-flows): 10/13 constraints, State Equation: 626/626 constraints, ReadFeed: 80/268 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 74019ms 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 261 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 261 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 236 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 20:36:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:36:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 20:36:25] [INFO ] Implicit Places using invariants in 3891 ms returned []
Implicit Place search using SMT only with invariants took 3892 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 20:36:26] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:36:26] [INFO ] Invariant cache hit.
[2025-06-04 20:36:26] [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 30578 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 30828 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 230128ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 230194ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 234392 ms. Remains : 626/626 places, 31352/31352 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[3]
Ending property specific reduction for RERS17pb113-PT-3-UpperBounds-09 in 742807 ms.
Starting property specific reduction for RERS17pb113-PT-3-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[3]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3]
[2025-06-04 20:40:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:40:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3]
RANDOM walk for 10000 steps (2 resets) in 371 ms. (26 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 39 ms. (250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[3]
[2025-06-04 20:40:16] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:40:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 20:40:17] [INFO ] [Real]Absence check using 13 positive place invariants in 24 ms returned sat
[2025-06-04 20:40:20] [INFO ] [Real]Absence check using state equation in 3654 ms returned sat
[2025-06-04 20:40:22] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:40:22] [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:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[3]
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 231 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 241 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 20:40:22] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:40:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[3]
RANDOM walk for 563878 steps (1 resets) in 30001 ms. (18 steps per ms)
BEST_FIRST walk for 77770 steps (0 resets) in 5001 ms. (15 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[3]
[2025-06-04 20:40:57] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:40:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:40:58] [INFO ] [Real]Absence check using 13 positive place invariants in 24 ms returned sat
[2025-06-04 20:41:34] [INFO ] [Real]Absence check using state equation in 36160 ms returned sat
[2025-06-04 20:41:36] [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 20:41:36] [INFO ] [Nat]Absence check using 13 positive place invariants in 31 ms returned sat
[2025-06-04 20:42:11] [INFO ] [Nat]Absence check using state equation in 35033 ms returned sat
[2025-06-04 20:42:13] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:42:19] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:42:21] [INFO ] [Nat]Added 268 Read/Feed constraints in 7557 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[3]
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 1962 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 1962 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 1393 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 20:42:24] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:42:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 20:42:28] [INFO ] Implicit Places using invariants in 4397 ms returned []
Implicit Place search using SMT only with invariants took 4407 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 20:42:29] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:42:29] [INFO ] Invariant cache hit.
[2025-06-04 20:42:29] [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 31014 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 31223 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 229104ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 229284ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 235261 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 3539 ms. (11 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 272 ms. (146 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 330 ms. (120 steps per ms) remains 2/2 properties
[2025-06-04 20:46:20] [INFO ] Flatten gal took : 1505 ms
[2025-06-04 20:46:21] [INFO ] Flatten gal took : 949 ms
[2025-06-04 20:46:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13469971751657781688.gal : 147 ms
[2025-06-04 20:46:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11255648720966962911.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/ReachabilityCardinality13469971751657781688.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11255648720966962911.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
Interrupted probabilistic random walk after 16703 steps, run timeout after 3002 ms. (steps per millisecond=5 ) properties seen :0 out of 2
Probabilistic random walk after 16703 steps, saw 14910 distinct states, run finished after 3004 ms. (steps per millisecond=5 ) properties seen :0
[2025-06-04 20:46:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:46:23] [INFO ] Invariant cache hit.
[2025-06-04 20:46:23] [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) 3552/3616 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3616/18951 variables, and 65 constraints, problems are : Problem set: 0 solved, 2 unsolved in 7492 ms.
Refiners :[Positive P Invariants (semi-flows): 1/13 constraints, State Equation: 64/626 constraints, ReadFeed: 0/268 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 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) 3552/3616 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3616 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SMT process timed out in 13011ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 73 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 379 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 393 ms. Remains : 626/626 places, 31352/31352 transitions.
RANDOM walk for 40000 steps (8 resets) in 2290 ms. (17 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 241 ms. (165 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality11255648720966962911.prop.
Interrupted probabilistic random walk after 19137 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :0 out of 2
Probabilistic random walk after 19137 steps, saw 17054 distinct states, run finished after 3001 ms. (steps per millisecond=6 ) properties seen :0
[2025-06-04 20:46:40] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:46:40] [INFO ] Invariant cache hit.
[2025-06-04 20:46:41] [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) 3552/3616 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3616 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 9536/13152 variables, 224/289 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13152 variables, 4/293 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13152 variables, 52/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/13152 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 48/13200 variables, 3/348 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/13200 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 5751/18951 variables, 338/686 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/18951 variables, 5/691 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/18951 variables, 216/907 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/18951 variables, 0/907 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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 24800 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) 3552/3616 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3616 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 9536/13152 variables, 224/289 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13152 variables, 4/293 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Detected timeout of ITS tools.
[2025-06-04 20:47:12] [INFO ] Flatten gal took : 847 ms
[2025-06-04 20:47:12] [INFO ] Applying decomposition
[2025-06-04 20:47:13] [INFO ] Flatten gal took : 735 ms
At refinement iteration 7 (INCLUDED_ONLY) 0/13152 variables, 52/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/13152 variables, 2/347 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/graph18325819533325969908.txt' '-o' '/tmp/graph18325819533325969908.bin' '-w' '/tmp/graph18325819533325969908.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18325819533325969908.bin' '-l' '-1' '-v' '-w' '/tmp/graph18325819533325969908.weights' '-q' '0' '-e' '0.001'
[2025-06-04 20:47:15] [INFO ] Decomposing Gal with order
[2025-06-04 20:47:15] [INFO ] Rewriting arrays to variables to allow decomposition.
At refinement iteration 9 (INCLUDED_ONLY) 0/13152 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-04 20:47:18] [INFO ] Removed a total of 91921 redundant transitions.
[2025-06-04 20:47:18] [INFO ] Flatten gal took : 1816 ms
At refinement iteration 10 (OVERLAPS) 48/13200 variables, 3/350 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 20:47:20] [INFO ] Deduced a trap composed of 64 places in 1286 ms of which 11 ms to minimize.
[2025-06-04 20:47:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 1558 labels/synchronizations in 1229 ms.
[2025-06-04 20:47:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13405542212744131036.gal : 146 ms
[2025-06-04 20:47:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17065446594426925508.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/ReachabilityCardinality13405542212744131036.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17065446594426925508.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 11 (INCLUDED_ONLY) 0/13200 variables, 1/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/13200 variables, 0/351 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 5751/18951 variables, 338/689 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/18951 variables, 5/694 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Loading property file /tmp/ReachabilityCardinality17065446594426925508.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 64
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 45008 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 70222ms 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 213 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 213 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 212 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 20:47:51] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:47:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 20:47:56] [INFO ] Implicit Places using invariants in 4740 ms returned []
Implicit Place search using SMT only with invariants took 4742 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 20:47:56] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:47:56] [INFO ] Invariant cache hit.
[2025-06-04 20:47:56] [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 32110 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 31159 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 220769ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 220835ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 225835 ms. Remains : 626/626 places, 31352/31352 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[3]
Ending property specific reduction for RERS17pb113-PT-3-UpperBounds-11 in 680738 ms.
Starting property specific reduction for RERS17pb113-PT-3-UpperBounds-15
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:[3]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[3]
[2025-06-04 20:51:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:51:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3]
RANDOM walk for 10000 steps (2 resets) in 603 ms. (16 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 26 ms. (370 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[3]
[2025-06-04 20:51:37] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:51:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-04 20:51:38] [INFO ] [Real]Absence check using 13 positive place invariants in 20 ms returned sat
[2025-06-04 20:51:42] [INFO ] [Real]Absence check using state equation in 4011 ms returned sat
[2025-06-04 20:51:42] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:51:42] [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:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[3]
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 446 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 462 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 20:51:43] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:51:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[3]
RANDOM walk for 420328 steps (1 resets) in 30001 ms. (14 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2085 ms. (479 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[3]
[2025-06-04 20:52:15] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:52:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-04 20:52:15] [INFO ] [Real]Absence check using 13 positive place invariants in 15 ms returned sat
[2025-06-04 20:52:38] [INFO ] [Real]Absence check using state equation in 22501 ms returned sat
[2025-06-04 20:52:39] [INFO ] State equation strengthened by 268 read => feed constraints.
[2025-06-04 20:52:44] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:52:46] [INFO ] [Real]Added 268 Read/Feed constraints in 7310 ms returned sat
[2025-06-04 20:52:47] [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 20:52:47] [INFO ] [Nat]Absence check using 13 positive place invariants in 23 ms returned sat
[2025-06-04 20:53:08] [INFO ] [Nat]Absence check using state equation in 20988 ms returned sat
[2025-06-04 20:53:13] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-04 20:53:18] [INFO ] [Nat]Added 268 Read/Feed constraints in 9590 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[3]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[3]
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 223 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 224 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 279 ms. Remains 626 /626 variables (removed 0) and now considering 31352/31352 (removed 0) transitions.
[2025-06-04 20:53:18] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:53:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 20:53:23] [INFO ] Implicit Places using invariants in 5244 ms returned []
Implicit Place search using SMT only with invariants took 5247 ms to find 0 implicit places.
Running 31351 sub problems to find dead transitions.
[2025-06-04 20:53:23] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:53:23] [INFO ] Invariant cache hit.
[2025-06-04 20:53:24] [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 30844 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 30918 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 215864ms problems are : Problem set: 0 solved, 31351 unsolved
Search for dead transitions found 0 dead transitions in 215963ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 221552 ms. Remains : 626/626 places, 31352/31352 transitions.
[2025-06-04 20:56:59] [INFO ] Flow matrix only has 18325 transitions (discarded 13027 similar events)
[2025-06-04 20:56:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[3]
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-3"
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-3, 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-174889233900389"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb113-PT-3.tgz
mv RERS17pb113-PT-3 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 ;