Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366400565.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 AutoFlight-PT-24b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366400565
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.5K Mar 5 16:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 5 16:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 16:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 5 16:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 5 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Mar 5 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 5 16:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 538K 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 AutoFlight-PT-24b-UpperBounds-00
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-01
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-02
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-03
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-04
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-05
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-06
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-07
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-08
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-09
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-10
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-11
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-12
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-13
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-14
FORMULA_NAME AutoFlight-PT-24b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779495280423

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-24b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 00:14:42] [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]
[2026-05-23 00:14:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 00:14:42] [INFO ] Load time of PNML (sax parser for PT used): 141 ms
[2026-05-23 00:14:42] [INFO ] Transformed 2230 places.
[2026-05-23 00:14:42] [INFO ] Transformed 2228 transitions.
[2026-05-23 00:14:42] [INFO ] Found NUPN structural information;
[2026-05-23 00:14:42] [INFO ] Parsed PT model containing 2230 places and 2228 transitions and 5186 arcs in 296 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
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:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15965912762533637886.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15244088169944366758.kers'
[2026-05-23 00:14:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15965912762533637886.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15244088169944366758.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2228 rows 2230 cols 5186 entries
Finished phase 1 with 2056 SingleSign rule and 26 generalized
[2026-05-23 00:14:42] [INFO ] Computed 148 invariants in 14 ms
Computed 148 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-15244088169944366758.kers
Total runtime 16 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:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (9 resets) in 61 ms. (161 steps per ms)
FORMULA AutoFlight-PT-24b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60006 steps (12 resets) in 62 ms. (952 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
[2026-05-23 00:14:42] [INFO ] Invariant cache hit.
[2026-05-23 00:14:43] [INFO ] [Real]Absence check using 147 positive place invariants in 208 ms returned sat
[2026-05-23 00:14:43] [INFO ] [Real]Absence check using 147 positive and 1 generalized place invariants in 29 ms returned sat
[2026-05-23 00:14:45] [INFO ] [Real]Absence check using state equation in 1335 ms returned sat
[2026-05-23 00:14:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 00:14:46] [INFO ] [Nat]Absence check using 147 positive place invariants in 139 ms returned sat
[2026-05-23 00:14:46] [INFO ] [Nat]Absence check using 147 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 00:14:48] [INFO ] [Nat]Absence check using state equation in 1199 ms returned sat
[2026-05-23 00:14:51] [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 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: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)
[2026-05-23 00:14:52] [INFO ] [Real]Absence check using 147 positive place invariants in 160 ms returned sat
[2026-05-23 00:14:52] [INFO ] [Real]Absence check using 147 positive and 1 generalized place invariants in 29 ms returned sat
[2026-05-23 00:14:53] [INFO ] [Real]Absence check using state equation in 1430 ms returned sat
[2026-05-23 00:14:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 00:14:55] [INFO ] [Nat]Absence check using 147 positive place invariants in 153 ms returned sat
[2026-05-23 00:14:55] [INFO ] [Nat]Absence check using 147 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 00:14:56] [INFO ] [Nat]Absence check using state equation in 1260 ms returned sat
[2026-05-23 00:14:59] [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: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)
[2026-05-23 00:15:00] [INFO ] [Real]Absence check using 147 positive place invariants in 166 ms returned sat
[2026-05-23 00:15:00] [INFO ] [Real]Absence check using 147 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 00:15:01] [INFO ] [Real]Absence check using state equation in 1144 ms returned sat
[2026-05-23 00:15:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 00:15:03] [INFO ] [Nat]Absence check using 147 positive place invariants in 174 ms returned sat
[2026-05-23 00:15:03] [INFO ] [Nat]Absence check using 147 positive and 1 generalized place invariants in 36 ms returned sat
[2026-05-23 00:15:04] [INFO ] [Nat]Absence check using state equation in 1174 ms returned sat
[2026-05-23 00:15:08] [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)
[2026-05-23 00:15:08] [INFO ] [Real]Absence check using 147 positive place invariants in 217 ms returned sat
[2026-05-23 00:15:08] [INFO ] [Real]Absence check using 147 positive and 1 generalized place invariants in 15 ms returned sat
[2026-05-23 00:15:10] [INFO ] [Real]Absence check using state equation in 1295 ms returned sat
[2026-05-23 00:15:11] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 00:15:11] [INFO ] [Nat]Absence check using 147 positive place invariants in 232 ms returned sat
[2026-05-23 00:15:11] [INFO ] [Nat]Absence check using 147 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 00:15:13] [INFO ] [Nat]Absence check using state equation in 1428 ms returned sat
[2026-05-23 00:15:16] [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 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java: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)
[2026-05-23 00:15:17] [INFO ] [Real]Absence check using 147 positive place invariants in 161 ms returned sat
[2026-05-23 00:15:17] [INFO ] [Real]Absence check using 147 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-23 00:15:18] [INFO ] [Real]Absence check using state equation in 1360 ms returned sat
[2026-05-23 00:15:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 00:15:20] [INFO ] [Nat]Absence check using 147 positive place invariants in 180 ms returned sat
[2026-05-23 00:15:20] [INFO ] [Nat]Absence check using 147 positive and 1 generalized place invariants in 13 ms returned sat
[2026-05-23 00:15:21] [INFO ] [Nat]Absence check using state equation in 1452 ms returned sat
[2026-05-23 00:15:25] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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)
[2026-05-23 00:15:25] [INFO ] [Real]Absence check using 147 positive place invariants in 160 ms returned sat
[2026-05-23 00:15:25] [INFO ] [Real]Absence check using 147 positive and 1 generalized place invariants in 3 ms returned sat
[2026-05-23 00:15:27] [INFO ] [Real]Absence check using state equation in 1146 ms returned sat
[2026-05-23 00:15:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 00:15:28] [INFO ] [Nat]Absence check using 147 positive place invariants in 134 ms returned sat
[2026-05-23 00:15:28] [INFO ] [Nat]Absence check using 147 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-23 00:15:29] [INFO ] [Nat]Absence check using state equation in 1096 ms returned sat
[2026-05-23 00:15:33] [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)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Support contains 6 out of 2230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2230/2230 places, 2228/2228 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 890 transitions
Trivial Post-agglo rules discarded 890 transitions
Performed 890 trivial Post agglomeration. Transition count delta: 890
Iterating post reduction 0 with 890 rules applied. Total rules applied 890 place count 2230 transition count 1338
Reduce places removed 890 places and 0 transitions.
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 1 with 1058 rules applied. Total rules applied 1948 place count 1340 transition count 1170
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 1996 place count 1292 transition count 1170
Performed 292 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 292 Pre rules applied. Total rules applied 1996 place count 1292 transition count 878
Deduced a syphon composed of 292 places in 4 ms
Reduce places removed 292 places and 0 transitions.
Iterating global reduction 3 with 584 rules applied. Total rules applied 2580 place count 1000 transition count 878
Discarding 216 places :
Symmetric choice reduction at 3 with 216 rule applications. Total rules 2796 place count 784 transition count 662
Iterating global reduction 3 with 216 rules applied. Total rules applied 3012 place count 784 transition count 662
Performed 72 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 72 Pre rules applied. Total rules applied 3012 place count 784 transition count 590
Deduced a syphon composed of 72 places in 4 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 3 with 144 rules applied. Total rules applied 3156 place count 712 transition count 590
Performed 172 Post agglomeration using F-continuation condition.Transition count delta: 172
Deduced a syphon composed of 172 places in 0 ms
Reduce places removed 172 places and 0 transitions.
Iterating global reduction 3 with 344 rules applied. Total rules applied 3500 place count 540 transition count 418
Free-agglomeration rule applied 96 times.
Iterating global reduction 3 with 96 rules applied. Total rules applied 3596 place count 540 transition count 322
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 3 with 96 rules applied. Total rules applied 3692 place count 444 transition count 322
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 3693 place count 443 transition count 321
Reduce places removed 95 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 158 transitions
Trivial Post-agglo rules discarded 158 transitions
Performed 158 trivial Post agglomeration. Transition count delta: 158
Iterating post reduction 4 with 253 rules applied. Total rules applied 3946 place count 348 transition count 163
Reduce places removed 158 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 159 rules applied. Total rules applied 4105 place count 190 transition count 162
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 4106 place count 189 transition count 162
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 51 Pre rules applied. Total rules applied 4106 place count 189 transition count 111
Renaming transitions due to excessive name length > 1024 char.
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 7 with 102 rules applied. Total rules applied 4208 place count 138 transition count 111
Applied a total of 4208 rules in 466 ms. Remains 138 /2230 variables (removed 2092) and now considering 111/2228 (removed 2117) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 491 ms. Remains : 138/2230 places, 111/2228 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11111144756402718894.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13416641487370130264.kers'
[2026-05-23 00:15:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11111144756402718894.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13416641487370130264.kers]
Culling duplicate invariants (modulo rational): removing 25 columns.
Culled 25 columns in 0 ms.
// Phase 1: matrix 111 rows 113 cols 300 entries
Finished phase 1 with 85 SingleSign rule and 0 generalized
[2026-05-23 00:15:34] [INFO ] Computed 53 invariants in 0 ms
Computed 53 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13416641487370130264.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 3451 ms. (289 steps per ms)
FORMULA AutoFlight-PT-24b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA AutoFlight-PT-24b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 1259 ms. (793 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 56694 ms.

BK_STOP 1779495338784

--------------------
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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ 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="AutoFlight-PT-24b"
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 AutoFlight-PT-24b, 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 r002-oct2-177944366400565"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-24b.tgz
mv AutoFlight-PT-24b 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;