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.r079-tall-177946972200035.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)
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CloudReconfiguration-PT-402, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200035
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 6.1K Mar 6 08:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 6 08:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 08:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 08:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Mar 6 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 61K Mar 6 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 6 08:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Mar 6 08:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:27 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 912K 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 CloudReconfiguration-PT-402-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-402-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556805343

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-402
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:20:06] [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 17:20:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:20:07] [INFO ] Load time of PNML (sax parser for PT used): 176 ms
[2026-05-23 17:20:07] [INFO ] Transformed 3554 places.
[2026-05-23 17:20:07] [INFO ] Transformed 4263 transitions.
[2026-05-23 17:20:07] [INFO ] Found NUPN structural information;
[2026-05-23 17:20:07] [INFO ] Parsed PT model containing 3554 places and 4263 transitions and 8889 arcs in 298 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 22 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]
// Phase 1: matrix 4263 rows 3554 cols
[2026-05-23 17:20:07] [INFO ] Computed 5 invariants in 86 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 (55 resets) in 74 ms. (133 steps per ms)
FORMULA CloudReconfiguration-PT-402-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 150011 steps (196 resets) in 218 ms. (684 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[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]
[2026-05-23 17:20:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:08] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 69 ms returned sat
[2026-05-23 17:20:10] [INFO ] [Real]Absence check using state equation in 1667 ms returned sat
[2026-05-23 17:20:10] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 220 ms.
[2026-05-23 17:20:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:13] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 66 ms returned sat
[2026-05-23 17:20:14] [INFO ] [Nat]Absence check using state equation in 1553 ms returned sat
[2026-05-23 17:20:15] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 196 ms.
[2026-05-23 17:20:17] [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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:18] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 61 ms returned sat
[2026-05-23 17:20:19] [INFO ] [Real]Absence check using state equation in 1551 ms returned sat
[2026-05-23 17:20:20] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 186 ms.
[2026-05-23 17:20:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:22] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 72 ms returned sat
[2026-05-23 17:20:23] [INFO ] [Nat]Absence check using state equation in 1543 ms returned sat
[2026-05-23 17:20:24] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 210 ms.
[2026-05-23 17:20:26] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:27] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 65 ms returned sat
[2026-05-23 17:20:28] [INFO ] [Real]Absence check using state equation in 1533 ms returned sat
[2026-05-23 17:20:29] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 203 ms.
[2026-05-23 17:20:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:31] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 67 ms returned sat
[2026-05-23 17:20:32] [INFO ] [Nat]Absence check using state equation in 1554 ms returned sat
[2026-05-23 17:20:32] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 156 ms.
[2026-05-23 17:20:35] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 2
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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:36] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 66 ms returned sat
[2026-05-23 17:20:37] [INFO ] [Real]Absence check using state equation in 1566 ms returned sat
[2026-05-23 17:20:38] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 195 ms.
[2026-05-23 17:20:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:40] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 68 ms returned sat
[2026-05-23 17:20:41] [INFO ] [Nat]Absence check using state equation in 1561 ms returned sat
[2026-05-23 17:20:41] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 162 ms.
[2026-05-23 17:20:44] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:45] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 61 ms returned sat
[2026-05-23 17:20:46] [INFO ] [Real]Absence check using state equation in 1690 ms returned sat
[2026-05-23 17:20:47] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 202 ms.
[2026-05-23 17:20:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:49] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 70 ms returned sat
[2026-05-23 17:20:50] [INFO ] [Nat]Absence check using state equation in 1630 ms returned sat
[2026-05-23 17:20:51] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 179 ms.
[2026-05-23 17:20:53] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:54] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 60 ms returned sat
[2026-05-23 17:20:55] [INFO ] [Real]Absence check using state equation in 1571 ms returned sat
[2026-05-23 17:20:56] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 170 ms.
[2026-05-23 17:20:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:58] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 64 ms returned sat
[2026-05-23 17:20:59] [INFO ] [Nat]Absence check using state equation in 1593 ms returned sat
[2026-05-23 17:21:00] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 159 ms.
[2026-05-23 17:21:02] [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 5
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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:03] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 66 ms returned sat
[2026-05-23 17:21:04] [INFO ] [Real]Absence check using state equation in 1616 ms returned sat
[2026-05-23 17:21:05] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 181 ms.
[2026-05-23 17:21:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:07] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 67 ms returned sat
[2026-05-23 17:21:08] [INFO ] [Nat]Absence check using state equation in 1602 ms returned sat
[2026-05-23 17:21:09] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 185 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:12] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 62 ms returned sat
[2026-05-23 17:21:13] [INFO ] [Real]Absence check using state equation in 1659 ms returned sat
[2026-05-23 17:21:14] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 199 ms.
[2026-05-23 17:21:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:16] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 65 ms returned sat
[2026-05-23 17:21:17] [INFO ] [Nat]Absence check using state equation in 1550 ms returned sat
[2026-05-23 17:21:18] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 176 ms.
[2026-05-23 17:21:20] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:21] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 62 ms returned sat
[2026-05-23 17:21:22] [INFO ] [Real]Absence check using state equation in 1588 ms returned sat
[2026-05-23 17:21:23] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 165 ms.
[2026-05-23 17:21:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:25] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 68 ms returned sat
[2026-05-23 17:21:26] [INFO ] [Nat]Absence check using state equation in 1621 ms returned sat
[2026-05-23 17:21:27] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 168 ms.
[2026-05-23 17:21:29] [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 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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:30] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 66 ms returned sat
[2026-05-23 17:21:32] [INFO ] [Real]Absence check using state equation in 1830 ms returned sat
[2026-05-23 17:21:32] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 170 ms.
[2026-05-23 17:21:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:34] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 66 ms returned sat
[2026-05-23 17:21:35] [INFO ] [Nat]Absence check using state equation in 1571 ms returned sat
[2026-05-23 17:21:36] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 186 ms.
[2026-05-23 17:21:38] [INFO ] Added : 70 causal constraints over 14 iterations in 2718 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:39] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 64 ms returned sat
[2026-05-23 17:21:41] [INFO ] [Real]Absence check using state equation in 1693 ms returned sat
[2026-05-23 17:21:41] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 186 ms.
[2026-05-23 17:21:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:43] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 64 ms returned sat
[2026-05-23 17:21:45] [INFO ] [Nat]Absence check using state equation in 1655 ms returned sat
[2026-05-23 17:21:45] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 172 ms.
[2026-05-23 17:21:47] [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 10
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.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:48] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 60 ms returned sat
[2026-05-23 17:21:50] [INFO ] [Real]Absence check using state equation in 1505 ms returned sat
[2026-05-23 17:21:50] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 166 ms.
[2026-05-23 17:21:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:52] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 62 ms returned sat
[2026-05-23 17:21:54] [INFO ] [Nat]Absence check using state equation in 1654 ms returned sat
[2026-05-23 17:21:54] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 159 ms.
[2026-05-23 17:21:56] [INFO ] Added : 75 causal constraints over 15 iterations in 2621 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:21:57] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 61 ms returned sat
[2026-05-23 17:21:58] [INFO ] [Real]Absence check using state equation in 1536 ms returned sat
[2026-05-23 17:21:59] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 164 ms.
[2026-05-23 17:22:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:22:01] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 65 ms returned sat
[2026-05-23 17:22:02] [INFO ] [Nat]Absence check using state equation in 1588 ms returned sat
[2026-05-23 17:22:03] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 180 ms.
[2026-05-23 17:22:05] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 12
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
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 5.0 s and query timeout 500.0 ms
[2026-05-23 17:22:06] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 63 ms returned sat
[2026-05-23 17:22:07] [INFO ] [Real]Absence check using state equation in 1592 ms returned sat
[2026-05-23 17:22:08] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 154 ms.
[2026-05-23 17:22:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:22:10] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 67 ms returned sat
[2026-05-23 17:22:11] [INFO ] [Nat]Absence check using state equation in 1613 ms returned sat
[2026-05-23 17:22:12] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 166 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:22:15] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 64 ms returned sat
[2026-05-23 17:22:16] [INFO ] [Real]Absence check using state equation in 1654 ms returned sat
[2026-05-23 17:22:17] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 172 ms.
[2026-05-23 17:22:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:22:19] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 66 ms returned sat
[2026-05-23 17:22:20] [INFO ] [Nat]Absence check using state equation in 1654 ms returned sat
[2026-05-23 17:22:21] [INFO ] Computed and/alt/rep : 4252/5222/4252 causal constraints (skipped 10 transitions) in 188 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[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]
FORMULA CloudReconfiguration-PT-402-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 14 out of 3554 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3554/3554 places, 4263/4263 transitions.
Graph (trivial) has 4052 edges and 3554 vertex of which 1212 / 3554 are part of one of the 86 SCC in 15 ms
Free SCC test removed 1126 places
Drop transitions (Empty/Sink Transition effects.) removed 1380 transitions
Reduce isomorphic transitions removed 1380 transitions.
Graph (complete) has 3255 edges and 2428 vertex of which 2410 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.6 ms
Discarding 18 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1618 transitions
Trivial Post-agglo rules discarded 1618 transitions
Performed 1618 trivial Post agglomeration. Transition count delta: 1618
Iterating post reduction 0 with 1630 rules applied. Total rules applied 1632 place count 2410 transition count 1241
Reduce places removed 1618 places and 0 transitions.
Ensure Unique test removed 105 transitions
Reduce isomorphic transitions removed 105 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 88 transitions
Trivial Post-agglo rules discarded 88 transitions
Performed 88 trivial Post agglomeration. Transition count delta: 88
Iterating post reduction 1 with 1811 rules applied. Total rules applied 3443 place count 792 transition count 1048
Reduce places removed 88 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 96 rules applied. Total rules applied 3539 place count 704 transition count 1040
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 3 with 8 rules applied. Total rules applied 3547 place count 702 transition count 1034
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 8 rules applied. Total rules applied 3555 place count 698 transition count 1030
Reduce places removed 2 places and 0 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 5 with 14 rules applied. Total rules applied 3569 place count 696 transition count 1018
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 14 rules applied. Total rules applied 3583 place count 684 transition count 1016
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 3584 place count 683 transition count 1016
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 29 Pre rules applied. Total rules applied 3584 place count 683 transition count 987
Deduced a syphon composed of 29 places in 2 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 8 with 58 rules applied. Total rules applied 3642 place count 654 transition count 987
Discarding 103 places :
Symmetric choice reduction at 8 with 103 rule applications. Total rules 3745 place count 551 transition count 884
Iterating global reduction 8 with 103 rules applied. Total rules applied 3848 place count 551 transition count 884
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 12 Pre rules applied. Total rules applied 3848 place count 551 transition count 872
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 8 with 24 rules applied. Total rules applied 3872 place count 539 transition count 872
Discarding 78 places :
Symmetric choice reduction at 8 with 78 rule applications. Total rules 3950 place count 461 transition count 794
Iterating global reduction 8 with 78 rules applied. Total rules applied 4028 place count 461 transition count 794
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 8 with 44 rules applied. Total rules applied 4072 place count 461 transition count 750
Reduce places removed 22 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 9 with 36 rules applied. Total rules applied 4108 place count 439 transition count 736
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 10 with 7 rules applied. Total rules applied 4115 place count 432 transition count 736
Discarding 26 places :
Symmetric choice reduction at 11 with 26 rule applications. Total rules 4141 place count 406 transition count 696
Iterating global reduction 11 with 26 rules applied. Total rules applied 4167 place count 406 transition count 696
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 11 with 11 rules applied. Total rules applied 4178 place count 406 transition count 685
Discarding 11 places :
Symmetric choice reduction at 12 with 11 rule applications. Total rules 4189 place count 395 transition count 663
Iterating global reduction 12 with 11 rules applied. Total rules applied 4200 place count 395 transition count 663
Discarding 4 places :
Symmetric choice reduction at 12 with 4 rule applications. Total rules 4204 place count 391 transition count 655
Iterating global reduction 12 with 4 rules applied. Total rules applied 4208 place count 391 transition count 655
Performed 208 Post agglomeration using F-continuation condition with reduction of 112 identical transitions.
Deduced a syphon composed of 208 places in 1 ms
Reduce places removed 208 places and 0 transitions.
Iterating global reduction 12 with 416 rules applied. Total rules applied 4624 place count 183 transition count 335
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 4629 place count 183 transition count 330
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 13 with 8 rules applied. Total rules applied 4637 place count 179 transition count 326
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 13 with 8 rules applied. Total rules applied 4645 place count 179 transition count 318
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 14 with 8 rules applied. Total rules applied 4653 place count 175 transition count 314
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 14 with 8 rules applied. Total rules applied 4661 place count 175 transition count 306
Performed 49 Post agglomeration using F-continuation condition with reduction of 22 identical transitions.
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 15 with 98 rules applied. Total rules applied 4759 place count 126 transition count 353
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 15 with 56 rules applied. Total rules applied 4815 place count 126 transition count 297
Discarding 29 places :
Symmetric choice reduction at 16 with 29 rule applications. Total rules 4844 place count 97 transition count 254
Iterating global reduction 16 with 29 rules applied. Total rules applied 4873 place count 97 transition count 254
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 16 with 16 rules applied. Total rules applied 4889 place count 97 transition count 238
Discarding 5 places :
Symmetric choice reduction at 17 with 5 rule applications. Total rules 4894 place count 92 transition count 228
Iterating global reduction 17 with 5 rules applied. Total rules applied 4899 place count 92 transition count 228
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 17 with 5 rules applied. Total rules applied 4904 place count 92 transition count 223
Drop transitions (Redundant composition of simpler transitions.) removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 18 with 29 rules applied. Total rules applied 4933 place count 92 transition count 194
Discarding 2 places :
Symmetric choice reduction at 18 with 2 rule applications. Total rules 4935 place count 90 transition count 188
Iterating global reduction 18 with 2 rules applied. Total rules applied 4937 place count 90 transition count 188
Discarding 2 places :
Symmetric choice reduction at 18 with 2 rule applications. Total rules 4939 place count 88 transition count 186
Iterating global reduction 18 with 2 rules applied. Total rules applied 4941 place count 88 transition count 186
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 2 rules applied. Total rules applied 4943 place count 88 transition count 184
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 19 with 2 rules applied. Total rules applied 4945 place count 88 transition count 182
Free-agglomeration rule applied 6 times.
Iterating global reduction 19 with 6 rules applied. Total rules applied 4951 place count 88 transition count 176
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 19 with 8 rules applied. Total rules applied 4959 place count 82 transition count 174
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 20 with 2 rules applied. Total rules applied 4961 place count 82 transition count 172
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 20 with 4 rules applied. Total rules applied 4965 place count 82 transition count 172
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 4966 place count 82 transition count 171
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 4967 place count 81 transition count 170
Applied a total of 4967 rules in 429 ms. Remains 81 /3554 variables (removed 3473) and now considering 170/4263 (removed 4093) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 447 ms. Remains : 81/3554 places, 170/4263 transitions.
[2026-05-23 17:22:24] [INFO ] Flow matrix only has 161 transitions (discarded 9 similar events)
// Phase 1: matrix 161 rows 81 cols
[2026-05-23 17:22:24] [INFO ] Computed 5 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CloudReconfiguration-PT-402-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (12410 resets) in 1244 ms. (803 steps per ms)
FORMULA CloudReconfiguration-PT-402-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-402-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2870 resets) in 415 ms. (2403 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-23 17:22:26] [INFO ] Flatten gal took : 43 ms
[2026-05-23 17:22:26] [INFO ] Flatten gal took : 17 ms
[2026-05-23 17:22:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5714463574531961307.gal : 8 ms
[2026-05-23 17:22:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11985064775746587822.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/ReachabilityCardinality5714463574531961307.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11985064775746587822.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

its-reach command run as :

ITS tools runner thread asked to quit. Dying gracefully.
/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
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 139357 ms.

BK_STOP 1779556946266

--------------------
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="CloudReconfiguration-PT-402"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is CloudReconfiguration-PT-402, 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 r079-tall-177946972200035"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-402.tgz
mv CloudReconfiguration-PT-402 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 ;