About the Execution of ITS-Tools for DBSingleClientW-PT-d2m08
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 696.052 | 162042.00 | 205047.00 | 514.10 | 1 1 0 0 0 0 1 0 0 0 1 1 0 1 1 0 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r082-smll-177946993600229.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DBSingleClientW-PT-d2m08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600229
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m08-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779617365125
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 10:09:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 10:09:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:09:27] [INFO ] Load time of PNML (sax parser for PT used): 383 ms
[2026-05-24 10:09:27] [INFO ] Transformed 4763 places.
[2026-05-24 10:09:28] [INFO ] Transformed 2478 transitions.
[2026-05-24 10:09:28] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 573 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Deduced a syphon composed of 3580 places in 34 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5761563577513902196.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15825801944616282306.kers'
[2026-05-24 10:09:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5761563577513902196.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15825801944616282306.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2478 rows 1183 cols 6734 entries
Finished phase 1 with 736 SingleSign rule and 441 generalized
[2026-05-24 10:09:28] [INFO ] Computed 6 invariants in 38 ms
Computed 6 P flows in 41 ms.
Exported basis to /tmp/petrispot-output-15825801944616282306.kers
Total runtime 45 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 10, 1, 10, 10, 1100]
RANDOM walk for 10000 steps (2314 resets) in 834 ms. (11 steps per ms)
BEST_FIRST walk for 70003 steps (6443 resets) in 1032 ms. (67 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 10, 1, 10, 10, 1100]
[2026-05-24 10:09:30] [INFO ] Invariant cache hit.
[2026-05-24 10:09:31] [INFO ] [Real]Absence check using 2 positive place invariants in 34 ms returned sat
[2026-05-24 10:09:31] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 27 ms returned sat
[2026-05-24 10:09:32] [INFO ] [Real]Absence check using state equation in 1605 ms returned sat
[2026-05-24 10:09:33] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2026-05-24 10:09:34] [INFO ] [Real]Added 1588 Read/Feed constraints in 1401 ms returned sat
[2026-05-24 10:09:34] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:09:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 17 ms returned sat
[2026-05-24 10:09:35] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2026-05-24 10:09:36] [INFO ] [Nat]Absence check using state equation in 1623 ms returned sat
[2026-05-24 10:09:38] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1534 ms returned sat
[2026-05-24 10:09:39] [INFO ] Trap strengthening (SAT) tested/added 1/1 trap constraints in 1457 ms
[2026-05-24 10:09:40] [INFO ] [Real]Absence check using 2 positive place invariants in 15 ms returned sat
[2026-05-24 10:09:40] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2026-05-24 10:09:41] [INFO ] [Real]Absence check using state equation in 1284 ms returned sat
[2026-05-24 10:09:43] [INFO ] [Real]Added 1588 Read/Feed constraints in 1749 ms returned sat
[2026-05-24 10:09:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:09:43] [INFO ] [Nat]Absence check using 2 positive place invariants in 25 ms returned sat
[2026-05-24 10:09:43] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-24 10:09:45] [INFO ] [Nat]Absence check using state equation in 1446 ms returned sat
[2026-05-24 10:09:46] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 10:09:47] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2151 ms returned unknown
[2026-05-24 10:09:47] [INFO ] [Real]Absence check using 2 positive place invariants in 14 ms returned sat
[2026-05-24 10:09:47] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2026-05-24 10:09:48] [INFO ] [Real]Absence check using state equation in 930 ms returned sat
[2026-05-24 10:09:49] [INFO ] [Real]Added 1588 Read/Feed constraints in 1058 ms returned sat
[2026-05-24 10:09:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:09:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 15 ms returned sat
[2026-05-24 10:09:49] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 16 ms returned sat
[2026-05-24 10:09:51] [INFO ] [Nat]Absence check using state equation in 1120 ms returned sat
[2026-05-24 10:09:52] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1859 ms returned sat
[2026-05-24 10:09:55] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: 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:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-24 10:09:55] [INFO ] [Real]Absence check using 2 positive place invariants in 14 ms returned sat
[2026-05-24 10:09:55] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2026-05-24 10:09:56] [INFO ] [Real]Absence check using state equation in 1293 ms returned sat
[2026-05-24 10:09:58] [INFO ] [Real]Added 1588 Read/Feed constraints in 1186 ms returned sat
[2026-05-24 10:09:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:09:58] [INFO ] [Nat]Absence check using 2 positive place invariants in 25 ms returned sat
[2026-05-24 10:09:58] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 20 ms returned sat
[2026-05-24 10:09:59] [INFO ] [Nat]Absence check using state equation in 1374 ms returned sat
[2026-05-24 10:10:01] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1845 ms returned sat
[2026-05-24 10:10:03] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1220 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-24 10:10:03] [INFO ] [Real]Absence check using 2 positive place invariants in 23 ms returned sat
[2026-05-24 10:10:03] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 21 ms returned sat
[2026-05-24 10:10:04] [INFO ] [Real]Absence check using state equation in 1300 ms returned sat
[2026-05-24 10:10:06] [INFO ] [Real]Added 1588 Read/Feed constraints in 1406 ms returned sat
[2026-05-24 10:10:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 21 ms returned sat
[2026-05-24 10:10:06] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 18 ms returned sat
[2026-05-24 10:10:08] [INFO ] [Nat]Absence check using state equation in 1346 ms returned sat
[2026-05-24 10:10:09] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 10:10:10] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2109 ms returned sat
[2026-05-24 10:10:12] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-24 10:10:12] [INFO ] [Real]Absence check using 2 positive place invariants in 15 ms returned sat
[2026-05-24 10:10:12] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2026-05-24 10:10:13] [INFO ] [Real]Absence check using state equation in 1336 ms returned sat
[2026-05-24 10:10:15] [INFO ] [Real]Added 1588 Read/Feed constraints in 1689 ms returned sat
[2026-05-24 10:10:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 26 ms returned sat
[2026-05-24 10:10:16] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-24 10:10:17] [INFO ] [Nat]Absence check using state equation in 1444 ms returned sat
[2026-05-24 10:10:18] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 10:10:19] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1416 ms returned sat
[2026-05-24 10:10:20] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-24 10:10:21] [INFO ] [Real]Absence check using 2 positive place invariants in 23 ms returned sat
[2026-05-24 10:10:21] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 21 ms returned sat
[2026-05-24 10:10:22] [INFO ] [Real]Absence check using state equation in 1274 ms returned sat
[2026-05-24 10:10:23] [INFO ] [Real]Added 1588 Read/Feed constraints in 1194 ms returned sat
[2026-05-24 10:10:23] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:24] [INFO ] [Nat]Absence check using 2 positive place invariants in 16 ms returned sat
[2026-05-24 10:10:24] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2026-05-24 10:10:25] [INFO ] [Nat]Absence check using state equation in 1331 ms returned sat
[2026-05-24 10:10:26] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 10:10:27] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1831 ms returned sat
[2026-05-24 10:10:29] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 6
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:874)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 10, 1, 10, 10, 1100]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 10, 1, 10, 10, 1100]
Support contains 7 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.16 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 388 places :
Symmetric choice reduction at 1 with 388 rule applications. Total rules 606 place count 748 transition count 1241
Iterating global reduction 1 with 388 rules applied. Total rules applied 994 place count 748 transition count 1241
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1003 place count 748 transition count 1232
Discarding 314 places :
Symmetric choice reduction at 2 with 314 rule applications. Total rules 1317 place count 434 transition count 918
Iterating global reduction 2 with 314 rules applied. Total rules applied 1631 place count 434 transition count 918
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 1642 place count 434 transition count 907
Discarding 237 places :
Symmetric choice reduction at 3 with 237 rule applications. Total rules 1879 place count 197 transition count 569
Iterating global reduction 3 with 237 rules applied. Total rules applied 2116 place count 197 transition count 569
Ensure Unique test removed 239 transitions
Reduce isomorphic transitions removed 239 transitions.
Iterating post reduction 3 with 239 rules applied. Total rules applied 2355 place count 197 transition count 330
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 2378 place count 174 transition count 293
Iterating global reduction 4 with 23 rules applied. Total rules applied 2401 place count 174 transition count 293
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 2406 place count 174 transition count 288
Discarding 17 places :
Symmetric choice reduction at 5 with 17 rule applications. Total rules 2423 place count 157 transition count 271
Iterating global reduction 5 with 17 rules applied. Total rules applied 2440 place count 157 transition count 271
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2444 place count 157 transition count 267
Discarding 14 places :
Symmetric choice reduction at 6 with 14 rule applications. Total rules 2458 place count 143 transition count 253
Iterating global reduction 6 with 14 rules applied. Total rules applied 2472 place count 143 transition count 253
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 6 with 14 rules applied. Total rules applied 2486 place count 143 transition count 239
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 2491 place count 138 transition count 214
Iterating global reduction 7 with 5 rules applied. Total rules applied 2496 place count 138 transition count 214
Applied a total of 2496 rules in 532 ms. Remains 138 /1183 variables (removed 1045) and now considering 214/2478 (removed 2264) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 547 ms. Remains : 138/1183 places, 214/2478 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9703521258084485488.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15044227487635728137.kers'
[2026-05-24 10:10:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9703521258084485488.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15044227487635728137.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 214 rows 138 cols 671 entries
Finished phase 1 with 133 SingleSign rule and 3 generalized
[2026-05-24 10:10:30] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15044227487635728137.kers
Total runtime 2 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 10, 1, 10, 10, 1100]
RANDOM walk for 1000000 steps (229906 resets) in 2799 ms. (357 steps per ms)
BEST_FIRST walk for 7000004 steps (669116 resets) in 7681 ms. (911 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 1, 0, 0, 0, 0] Max Struct:[1, 1, 10, 1, 10, 10, 1100]
[2026-05-24 10:10:40] [INFO ] Invariant cache hit.
[2026-05-24 10:10:40] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 10:10:40] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2026-05-24 10:10:40] [INFO ] State equation strengthened by 85 read => feed constraints.
[2026-05-24 10:10:40] [INFO ] [Real]Added 85 Read/Feed constraints in 18 ms returned sat
[2026-05-24 10:10:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:40] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 10:10:41] [INFO ] [Nat]Absence check using state equation in 143 ms returned sat
[2026-05-24 10:10:41] [INFO ] [Nat]Added 85 Read/Feed constraints in 46 ms returned sat
[2026-05-24 10:10:41] [INFO ] Computed and/alt/rep : 52/132/52 causal constraints (skipped 161 transitions) in 46 ms.
[2026-05-24 10:10:41] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 448 ms
[2026-05-24 10:10:41] [INFO ] Added : 20 causal constraints over 5 iterations in 902 ms. Result :sat
Minimization took 281 ms.
[2026-05-24 10:10:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 10:10:42] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2026-05-24 10:10:42] [INFO ] [Real]Added 85 Read/Feed constraints in 27 ms returned sat
[2026-05-24 10:10:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:42] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 10:10:42] [INFO ] [Nat]Absence check using state equation in 119 ms returned sat
[2026-05-24 10:10:42] [INFO ] [Nat]Added 85 Read/Feed constraints in 51 ms returned sat
[2026-05-24 10:10:42] [INFO ] Computed and/alt/rep : 52/132/52 causal constraints (skipped 161 transitions) in 44 ms.
[2026-05-24 10:10:42] [INFO ] Added : 10 causal constraints over 3 iterations in 201 ms. Result :sat
Minimization took 258 ms.
[2026-05-24 10:10:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:10:43] [INFO ] [Real]Absence check using state equation in 94 ms returned unsat
[2026-05-24 10:10:43] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 5 ms returned sat
[2026-05-24 10:10:43] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2026-05-24 10:10:43] [INFO ] [Real]Added 85 Read/Feed constraints in 30 ms returned sat
[2026-05-24 10:10:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:43] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:10:43] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2026-05-24 10:10:43] [INFO ] [Nat]Added 85 Read/Feed constraints in 41 ms returned sat
[2026-05-24 10:10:43] [INFO ] Computed and/alt/rep : 52/132/52 causal constraints (skipped 161 transitions) in 30 ms.
[2026-05-24 10:10:43] [INFO ] Added : 11 causal constraints over 3 iterations in 149 ms. Result :sat
Minimization took 258 ms.
[2026-05-24 10:10:44] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:10:44] [INFO ] [Real]Absence check using state equation in 129 ms returned sat
[2026-05-24 10:10:44] [INFO ] [Real]Added 85 Read/Feed constraints in 41 ms returned sat
[2026-05-24 10:10:44] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:44] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:10:44] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2026-05-24 10:10:44] [INFO ] [Nat]Added 85 Read/Feed constraints in 51 ms returned sat
[2026-05-24 10:10:44] [INFO ] Computed and/alt/rep : 52/132/52 causal constraints (skipped 161 transitions) in 29 ms.
[2026-05-24 10:10:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 434 ms
[2026-05-24 10:10:45] [INFO ] Added : 17 causal constraints over 4 iterations in 773 ms. Result :sat
Minimization took 167 ms.
[2026-05-24 10:10:45] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 10:10:45] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2026-05-24 10:10:45] [INFO ] [Real]Added 85 Read/Feed constraints in 29 ms returned sat
[2026-05-24 10:10:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:46] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 10:10:46] [INFO ] [Nat]Absence check using state equation in 101 ms returned sat
[2026-05-24 10:10:46] [INFO ] [Nat]Added 85 Read/Feed constraints in 36 ms returned sat
[2026-05-24 10:10:46] [INFO ] Computed and/alt/rep : 52/132/52 causal constraints (skipped 161 transitions) in 23 ms.
[2026-05-24 10:10:46] [INFO ] Added : 10 causal constraints over 2 iterations in 109 ms. Result :sat
Minimization took 274 ms.
[2026-05-24 10:10:46] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:10:46] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2026-05-24 10:10:46] [INFO ] [Real]Added 85 Read/Feed constraints in 36 ms returned sat
[2026-05-24 10:10:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:46] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:10:46] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2026-05-24 10:10:47] [INFO ] [Nat]Added 85 Read/Feed constraints in 45 ms returned sat
[2026-05-24 10:10:47] [INFO ] Computed and/alt/rep : 52/132/52 causal constraints (skipped 161 transitions) in 29 ms.
[2026-05-24 10:10:47] [INFO ] Added : 10 causal constraints over 2 iterations in 136 ms. Result :sat
Minimization took 259 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 1, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 10, 10, 1100]
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 10, 10, 1100]
Support contains 6 out of 138 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 138/138 places, 214/214 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 137 transition count 213
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 137 transition count 213
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 137 transition count 212
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 136 transition count 210
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 136 transition count 210
Applied a total of 5 rules in 29 ms. Remains 136 /138 variables (removed 2) and now considering 210/214 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 136/138 places, 210/214 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3826348537662913024.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6313904034692746828.kers'
[2026-05-24 10:10:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3826348537662913024.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6313904034692746828.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 210 rows 136 cols 662 entries
Finished phase 1 with 131 SingleSign rule and 3 generalized
[2026-05-24 10:10:48] [INFO ] Computed 2 invariants in 5 ms
Computed 2 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-6313904034692746828.kers
Total runtime 5 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 10, 10, 1100]
RANDOM walk for 1000000 steps (229813 resets) in 3187 ms. (313 steps per ms)
BEST_FIRST walk for 6000002 steps (573022 resets) in 6704 ms. (894 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 10, 10, 1100]
[2026-05-24 10:10:58] [INFO ] Invariant cache hit.
[2026-05-24 10:10:58] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:10:58] [INFO ] [Real]Absence check using state equation in 141 ms returned sat
[2026-05-24 10:10:58] [INFO ] State equation strengthened by 82 read => feed constraints.
[2026-05-24 10:10:58] [INFO ] [Real]Added 82 Read/Feed constraints in 33 ms returned sat
[2026-05-24 10:10:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:10:58] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:10:58] [INFO ] [Nat]Absence check using state equation in 132 ms returned sat
[2026-05-24 10:10:58] [INFO ] [Nat]Added 82 Read/Feed constraints in 33 ms returned sat
[2026-05-24 10:10:58] [INFO ] Computed and/alt/rep : 52/130/52 causal constraints (skipped 157 transitions) in 25 ms.
[2026-05-24 10:10:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 685 ms
[2026-05-24 10:10:59] [INFO ] Added : 17 causal constraints over 4 iterations in 993 ms. Result :sat
Minimization took 269 ms.
[2026-05-24 10:10:59] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:11:00] [INFO ] [Real]Absence check using state equation in 132 ms returned sat
[2026-05-24 10:11:00] [INFO ] [Real]Added 82 Read/Feed constraints in 38 ms returned sat
[2026-05-24 10:11:00] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:11:00] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:11:00] [INFO ] [Nat]Absence check using state equation in 120 ms returned sat
[2026-05-24 10:11:00] [INFO ] [Nat]Added 82 Read/Feed constraints in 42 ms returned sat
[2026-05-24 10:11:00] [INFO ] Computed and/alt/rep : 52/130/52 causal constraints (skipped 157 transitions) in 22 ms.
[2026-05-24 10:11:00] [INFO ] Added : 11 causal constraints over 3 iterations in 231 ms. Result :sat
Minimization took 297 ms.
[2026-05-24 10:11:00] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 10:11:01] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2026-05-24 10:11:01] [INFO ] [Real]Added 82 Read/Feed constraints in 47 ms returned sat
[2026-05-24 10:11:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:11:01] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 10:11:01] [INFO ] [Nat]Absence check using state equation in 105 ms returned sat
[2026-05-24 10:11:01] [INFO ] [Nat]Added 82 Read/Feed constraints in 29 ms returned sat
[2026-05-24 10:11:01] [INFO ] Computed and/alt/rep : 52/130/52 causal constraints (skipped 157 transitions) in 20 ms.
[2026-05-24 10:11:01] [INFO ] Added : 7 causal constraints over 2 iterations in 110 ms. Result :sat
Minimization took 263 ms.
[2026-05-24 10:11:01] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 10:11:01] [INFO ] [Real]Absence check using state equation in 81 ms returned sat
[2026-05-24 10:11:01] [INFO ] [Real]Added 82 Read/Feed constraints in 27 ms returned sat
[2026-05-24 10:11:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:11:01] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 10:11:01] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2026-05-24 10:11:01] [INFO ] [Nat]Added 82 Read/Feed constraints in 27 ms returned sat
[2026-05-24 10:11:01] [INFO ] Computed and/alt/rep : 52/130/52 causal constraints (skipped 157 transitions) in 16 ms.
[2026-05-24 10:11:03] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 880 ms
[2026-05-24 10:11:03] [INFO ] Added : 20 causal constraints over 6 iterations in 1370 ms. Result :sat
Minimization took 265 ms.
[2026-05-24 10:11:03] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:11:03] [INFO ] [Real]Absence check using state equation in 123 ms returned sat
[2026-05-24 10:11:03] [INFO ] [Real]Added 82 Read/Feed constraints in 32 ms returned sat
[2026-05-24 10:11:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:11:03] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:11:04] [INFO ] [Nat]Absence check using state equation in 126 ms returned sat
[2026-05-24 10:11:04] [INFO ] [Nat]Added 82 Read/Feed constraints in 35 ms returned sat
[2026-05-24 10:11:04] [INFO ] Computed and/alt/rep : 52/130/52 causal constraints (skipped 157 transitions) in 27 ms.
[2026-05-24 10:11:04] [INFO ] Added : 16 causal constraints over 4 iterations in 192 ms. Result :sat
Minimization took 229 ms.
[2026-05-24 10:11:04] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:11:04] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2026-05-24 10:11:04] [INFO ] [Real]Added 82 Read/Feed constraints in 34 ms returned sat
[2026-05-24 10:11:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 10:11:04] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 10:11:04] [INFO ] [Nat]Absence check using state equation in 119 ms returned sat
[2026-05-24 10:11:04] [INFO ] [Nat]Added 82 Read/Feed constraints in 38 ms returned sat
[2026-05-24 10:11:05] [INFO ] Computed and/alt/rep : 52/130/52 causal constraints (skipped 157 transitions) in 28 ms.
[2026-05-24 10:11:05] [INFO ] Added : 17 causal constraints over 4 iterations in 200 ms. Result :sat
Minimization took 273 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 10, 10, 1100]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 10, 10, 1100]
Support contains 6 out of 136 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 136/136 places, 210/210 transitions.
Applied a total of 0 rules in 23 ms. Remains 136 /136 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 136/136 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 136/136 places, 210/210 transitions.
Applied a total of 0 rules in 17 ms. Remains 136 /136 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2026-05-24 10:11:06] [INFO ] Invariant cache hit.
[2026-05-24 10:11:06] [INFO ] Implicit Places using invariants in 246 ms returned []
[2026-05-24 10:11:06] [INFO ] Invariant cache hit.
[2026-05-24 10:11:06] [INFO ] State equation strengthened by 82 read => feed constraints.
[2026-05-24 10:11:07] [INFO ] Implicit Places using invariants and state equation in 955 ms returned []
Implicit Place search using SMT with State Equation took 1212 ms to find 0 implicit places.
[2026-05-24 10:11:07] [INFO ] Redundant transitions in 17 ms returned []
Running 209 sub problems to find dead transitions.
[2026-05-24 10:11:07] [INFO ] Invariant cache hit.
[2026-05-24 10:11:07] [INFO ] State equation strengthened by 82 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (OVERLAPS) 1/136 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/136 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 4 (OVERLAPS) 210/346 variables, 136/138 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/346 variables, 82/220 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/346 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 7 (OVERLAPS) 0/346 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 209 unsolved
No progress, stopping.
After SMT solving in domain Real declared 346/346 variables, and 220 constraints, problems are : Problem set: 0 solved, 209 unsolved in 18770 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 136/136 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 209/209 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 209 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/135 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/135 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 2 (OVERLAPS) 1/136 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/136 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 4 (OVERLAPS) 210/346 variables, 136/138 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/346 variables, 82/220 constraints. Problems are: Problem set: 0 solved, 209 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/346 variables, 209/429 constraints. Problems are: Problem set: 0 solved, 209 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 346/346 variables, and 429 constraints, problems are : Problem set: 0 solved, 209 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 136/136 constraints, ReadFeed: 82/82 constraints, PredecessorRefiner: 209/209 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49388ms problems are : Problem set: 0 solved, 209 unsolved
Search for dead transitions found 0 dead transitions in 49408ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50718 ms. Remains : 136/136 places, 210/210 transitions.
RANDOM walk for 40000 steps (9145 resets) in 1329 ms. (30 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (3816 resets) in 256 ms. (155 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (3727 resets) in 334 ms. (119 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (3863 resets) in 246 ms. (161 steps per ms) remains 12/12 properties
[2026-05-24 10:11:57] [INFO ] Flatten gal took : 147 ms
BEST_FIRST walk for 40001 steps (3933 resets) in 316 ms. (126 steps per ms) remains 12/12 properties
[2026-05-24 10:11:57] [INFO ] Flatten gal took : 48 ms
[2026-05-24 10:11:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10416556048720484497.gal : 67 ms
[2026-05-24 10:11:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality523902023780417035.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10416556048720484497.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality523902023780417035.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40001 steps (3767 resets) in 315 ms. (126 steps per ms) remains 12/12 properties
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality523902023780417035.prop.
BEST_FIRST walk for 40002 steps (3818 resets) in 208 ms. (191 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :68 after 108
BEST_FIRST walk for 40003 steps (3694 resets) in 181 ms. (219 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :108 after 184
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :184 after 348
BEST_FIRST walk for 40003 steps (3871 resets) in 176 ms. (226 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :348 after 674
BEST_FIRST walk for 40003 steps (3802 resets) in 266 ms. (149 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 512
BEST_FIRST walk for 40002 steps (3863 resets) in 198 ms. (201 steps per ms) remains 12/12 properties
SDD size :674 after 1736
BEST_FIRST walk for 40003 steps (3802 resets) in 186 ms. (213 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (3776 resets) in 181 ms. (219 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :1736 after 8352
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :8352 after 26752
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :26752 after 104519
Interrupted probabilistic random walk after 476636 steps, run timeout after 3001 ms. (steps per millisecond=158 ) properties seen :9 out of 12
Probabilistic random walk after 476636 steps, saw 192717 distinct states, run finished after 3008 ms. (steps per millisecond=158 ) properties seen :9
[2026-05-24 10:12:01] [INFO ] Invariant cache hit.
[2026-05-24 10:12:01] [INFO ] State equation strengthened by 82 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 80/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 13/96 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 148/244 variables, 96/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem MAX3 is UNSAT
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
After SMT solving in domain Real declared 337/346 variables, and 133 constraints, problems are : Problem set: 3 solved, 0 unsolved in 235 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 131/136 constraints, ReadFeed: 0/82 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 251ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-00 1 TECHNIQUES REACHABILITY_MAX
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-01 1 TECHNIQUES REACHABILITY_MAX
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-10 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (after reachability check) : Max Seen:[1, 1, 1] Max Struct:[9, 9, 1099]
[2026-05-24 10:12:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1] Max Struct:[9, 9, 1099]
RANDOM walk for 1000000 steps (230263 resets) in 2318 ms. (431 steps per ms)
BEST_FIRST walk for 3000001 steps (287367 resets) in 3074 ms. (975 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1] Max Struct:[9, 9, 1099]
[2026-05-24 10:12:06] [INFO ] Invariant cache hit.
[2026-05-24 10:12:06] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 10:12:06] [INFO ] [Real]Absence check using state equation in 76 ms returned unsat
[2026-05-24 10:12:06] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 10:12:06] [INFO ] [Real]Absence check using state equation in 73 ms returned unsat
[2026-05-24 10:12:07] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 10:12:07] [INFO ] [Real]Absence check using state equation in 76 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1] Max Struct:[1, 1, 1]
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d2m08-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 159699 ms.
BK_STOP 1779617527167
--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="DBSingleClientW-PT-d2m08"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DBSingleClientW-PT-d2m08, 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 r082-smll-177946993600229"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m08.tgz
mv DBSingleClientW-PT-d2m08 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 ;