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-177946972200020.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CloudReconfiguration-PT-306, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200020
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.3K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 08:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:23 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 660K 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-306-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-306-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556571065

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-306
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:16:12] [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 17:16:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:16:12] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2026-05-23 17:16:12] [INFO ] Transformed 2584 places.
[2026-05-23 17:16:12] [INFO ] Transformed 3094 transitions.
[2026-05-23 17:16:12] [INFO ] Found NUPN structural information;
[2026-05-23 17:16:12] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 247 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]
// Phase 1: matrix 3094 rows 2584 cols
[2026-05-23 17:16:12] [INFO ] Computed 4 invariants in 77 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 (109 resets) in 79 ms. (125 steps per ms)
FORMULA CloudReconfiguration-PT-306-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 130012 steps (487 resets) in 246 ms. (526 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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 17:16:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:13] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 57 ms returned sat
[2026-05-23 17:16:15] [INFO ] [Real]Absence check using state equation in 1262 ms returned sat
[2026-05-23 17:16:15] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 167 ms.
[2026-05-23 17:16:16] [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 17:16:17] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 17:16:18] [INFO ] [Nat]Absence check using state equation in 1040 ms returned sat
[2026-05-23 17:16:18] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 147 ms.
[2026-05-23 17:16:21] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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 17:16:22] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:16:23] [INFO ] [Real]Absence check using state equation in 1137 ms returned sat
[2026-05-23 17:16:23] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 149 ms.
[2026-05-23 17:16:24] [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 17:16:24] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:16:26] [INFO ] [Nat]Absence check using state equation in 1111 ms returned sat
[2026-05-23 17:16:26] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 158 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 17:16:30] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:31] [INFO ] [Real]Absence check using state equation in 1080 ms returned sat
[2026-05-23 17:16:31] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 117 ms.
[2026-05-23 17:16:32] [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 17:16:32] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:16:33] [INFO ] [Nat]Absence check using state equation in 1091 ms returned sat
[2026-05-23 17:16:34] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 140 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:37] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:38] [INFO ] [Real]Absence check using state equation in 1101 ms returned sat
[2026-05-23 17:16:39] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 122 ms.
[2026-05-23 17:16:39] [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 17:16:40] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 55 ms returned sat
[2026-05-23 17:16:41] [INFO ] [Nat]Absence check using state equation in 1074 ms returned sat
[2026-05-23 17:16:41] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 114 ms.
[2026-05-23 17:16:45] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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 17:16:45] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:16:46] [INFO ] [Real]Absence check using state equation in 1084 ms returned sat
[2026-05-23 17:16:46] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 131 ms.
[2026-05-23 17:16:47] [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 17:16:48] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:16:49] [INFO ] [Nat]Absence check using state equation in 1031 ms returned sat
[2026-05-23 17:16:49] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 114 ms.
[2026-05-23 17:16:52] [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 17:16:53] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:16:54] [INFO ] [Real]Absence check using state equation in 1054 ms returned sat
[2026-05-23 17:16:54] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 142 ms.
[2026-05-23 17:16:55] [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 17:16:55] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:16:56] [INFO ] [Nat]Absence check using state equation in 1049 ms returned sat
[2026-05-23 17:16:57] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 161 ms.
[2026-05-23 17:17:00] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 5
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.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 17:17:00] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:17:01] [INFO ] [Real]Absence check using state equation in 1025 ms returned sat
[2026-05-23 17:17:02] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 128 ms.
[2026-05-23 17:17:02] [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 17:17:03] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:17:04] [INFO ] [Nat]Absence check using state equation in 1024 ms returned sat
[2026-05-23 17:17:04] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 115 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:08] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:17:09] [INFO ] [Real]Absence check using state equation in 1106 ms returned sat
[2026-05-23 17:17:09] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 133 ms.
[2026-05-23 17:17:10] [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 17:17:11] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:17:12] [INFO ] [Nat]Absence check using state equation in 1079 ms returned sat
[2026-05-23 17:17:12] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 130 ms.
[2026-05-23 17:17:15] [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 7
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 17:17:16] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:17:17] [INFO ] [Real]Absence check using state equation in 1047 ms returned sat
[2026-05-23 17:17:17] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 138 ms.
[2026-05-23 17:17:18] [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 17:17:18] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 17:17:19] [INFO ] [Nat]Absence check using state equation in 1084 ms returned sat
[2026-05-23 17:17:20] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 132 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:23] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:17:24] [INFO ] [Real]Absence check using state equation in 1034 ms returned sat
[2026-05-23 17:17:25] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 135 ms.
[2026-05-23 17:17:26] [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 17:17:26] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:17:27] [INFO ] [Nat]Absence check using state equation in 1075 ms returned sat
[2026-05-23 17:17:27] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 140 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:31] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:17:32] [INFO ] [Real]Absence check using state equation in 1086 ms returned sat
[2026-05-23 17:17:32] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 17:17:33] [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 17:17:34] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:17:35] [INFO ] [Nat]Absence check using state equation in 1055 ms returned sat
[2026-05-23 17:17:35] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 147 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 17:17:39] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:17:40] [INFO ] [Real]Absence check using state equation in 1150 ms returned sat
[2026-05-23 17:17:40] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 136 ms.
[2026-05-23 17:17:41] [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 17:17:41] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:17:42] [INFO ] [Nat]Absence check using state equation in 1029 ms returned sat
[2026-05-23 17:17:43] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 123 ms.
[2026-05-23 17:17:46] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 11
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 17:17:46] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:17:47] [INFO ] [Real]Absence check using state equation in 1036 ms returned sat
[2026-05-23 17:17:48] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 138 ms.
[2026-05-23 17:17:49] [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 17:17:49] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 17:17:50] [INFO ] [Nat]Absence check using state equation in 1006 ms returned sat
[2026-05-23 17:17:50] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 144 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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[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]
Support contains 13 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2928 edges and 2584 vertex of which 844 / 2584 are part of one of the 61 SCC in 11 ms
Free SCC test removed 783 places
Drop transitions (Empty/Sink Transition effects.) removed 956 transitions
Reduce isomorphic transitions removed 956 transitions.
Graph (complete) has 2416 edges and 1801 vertex of which 1787 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.4 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1198 transitions
Trivial Post-agglo rules discarded 1198 transitions
Performed 1198 trivial Post agglomeration. Transition count delta: 1198
Iterating post reduction 0 with 1207 rules applied. Total rules applied 1209 place count 1787 transition count 922
Reduce places removed 1198 places and 0 transitions.
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 1 with 1340 rules applied. Total rules applied 2549 place count 589 transition count 780
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 71 rules applied. Total rules applied 2620 place count 525 transition count 773
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 2628 place count 523 transition count 767
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 2636 place count 519 transition count 763
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 2650 place count 517 transition count 751
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 14 rules applied. Total rules applied 2664 place count 505 transition count 749
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 22 Pre rules applied. Total rules applied 2664 place count 505 transition count 727
Deduced a syphon composed of 22 places in 2 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 7 with 44 rules applied. Total rules applied 2708 place count 483 transition count 727
Discarding 77 places :
Symmetric choice reduction at 7 with 77 rule applications. Total rules 2785 place count 406 transition count 650
Iterating global reduction 7 with 77 rules applied. Total rules applied 2862 place count 406 transition count 650
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 7 Pre rules applied. Total rules applied 2862 place count 406 transition count 643
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 2876 place count 399 transition count 643
Discarding 58 places :
Symmetric choice reduction at 7 with 58 rule applications. Total rules 2934 place count 341 transition count 585
Iterating global reduction 7 with 58 rules applied. Total rules applied 2992 place count 341 transition count 585
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 7 with 34 rules applied. Total rules applied 3026 place count 341 transition count 551
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 8 with 25 rules applied. Total rules applied 3051 place count 324 transition count 543
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 3055 place count 320 transition count 543
Discarding 19 places :
Symmetric choice reduction at 10 with 19 rule applications. Total rules 3074 place count 301 transition count 513
Iterating global reduction 10 with 19 rules applied. Total rules applied 3093 place count 301 transition count 513
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 3101 place count 301 transition count 505
Discarding 8 places :
Symmetric choice reduction at 11 with 8 rule applications. Total rules 3109 place count 293 transition count 489
Iterating global reduction 11 with 8 rules applied. Total rules applied 3117 place count 293 transition count 489
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3120 place count 290 transition count 483
Iterating global reduction 11 with 3 rules applied. Total rules applied 3123 place count 290 transition count 483
Performed 152 Post agglomeration using F-continuation condition with reduction of 76 identical transitions.
Deduced a syphon composed of 152 places in 1 ms
Reduce places removed 152 places and 0 transitions.
Iterating global reduction 11 with 304 rules applied. Total rules applied 3427 place count 138 transition count 255
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 3430 place count 138 transition count 252
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 12 with 4 rules applied. Total rules applied 3434 place count 136 transition count 250
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 12 with 4 rules applied. Total rules applied 3438 place count 136 transition count 246
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 13 with 4 rules applied. Total rules applied 3442 place count 134 transition count 244
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 3446 place count 134 transition count 240
Performed 35 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 35 places in 1 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 14 with 70 rules applied. Total rules applied 3516 place count 99 transition count 262
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 14 with 49 rules applied. Total rules applied 3565 place count 99 transition count 213
Discarding 23 places :
Symmetric choice reduction at 15 with 23 rule applications. Total rules 3588 place count 76 transition count 183
Iterating global reduction 15 with 23 rules applied. Total rules applied 3611 place count 76 transition count 183
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 15 with 12 rules applied. Total rules applied 3623 place count 76 transition count 171
Discarding 5 places :
Symmetric choice reduction at 16 with 5 rule applications. Total rules 3628 place count 71 transition count 161
Iterating global reduction 16 with 5 rules applied. Total rules applied 3633 place count 71 transition count 161
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 16 with 5 rules applied. Total rules applied 3638 place count 71 transition count 156
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 17 with 21 rules applied. Total rules applied 3659 place count 71 transition count 135
Discarding 2 places :
Symmetric choice reduction at 17 with 2 rule applications. Total rules 3661 place count 69 transition count 131
Iterating global reduction 17 with 2 rules applied. Total rules applied 3663 place count 69 transition count 131
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3664 place count 69 transition count 130
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3665 place count 68 transition count 129
Iterating global reduction 18 with 1 rules applied. Total rules applied 3666 place count 68 transition count 129
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 3667 place count 68 transition count 128
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 3668 place count 68 transition count 127
Free-agglomeration rule applied 4 times.
Iterating global reduction 19 with 4 rules applied. Total rules applied 3672 place count 68 transition count 123
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 19 with 4 rules applied. Total rules applied 3676 place count 64 transition count 123
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 3677 place count 64 transition count 122
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 20 with 2 rules applied. Total rules applied 3679 place count 64 transition count 122
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 3680 place count 63 transition count 121
Applied a total of 3680 rules in 437 ms. Remains 63 /2584 variables (removed 2521) and now considering 121/3094 (removed 2973) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 453 ms. Remains : 63/2584 places, 121/3094 transitions.
[2026-05-23 17:17:54] [INFO ] Flow matrix only has 117 transitions (discarded 4 similar events)
// Phase 1: matrix 117 rows 63 cols
[2026-05-23 17:17:54] [INFO ] Computed 4 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[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]
RANDOM walk for 1000000 steps (16895 resets) in 975 ms. (1024 steps per ms)
FORMULA CloudReconfiguration-PT-306-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-306-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (5226 resets) in 350 ms. (2849 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-23 17:17:55] [INFO ] Flow matrix only has 117 transitions (discarded 4 similar events)
[2026-05-23 17:17:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:55] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 17:17:55] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2026-05-23 17:17:55] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 17:17:55] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2026-05-23 17:17:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:55] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-23 17:17:56] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 17:17:56] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 5 ms to minimize.
[2026-05-23 17:17:56] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 70 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[0]
FORMULA CloudReconfiguration-PT-306-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided 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 17:17:56] [INFO ] Flatten gal took : 34 ms
[2026-05-23 17:17:56] [INFO ] Flatten gal took : 13 ms
[2026-05-23 17:17:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5185474726667587544.gal : 7 ms
[2026-05-23 17:17:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1815916216573346694.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/ReachabilityCardinality5185474726667587544.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1815916216573346694.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 104018 ms.

BK_STOP 1779556676438

--------------------
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-306"
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-306, 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-177946972200020"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-306.tgz
mv CloudReconfiguration-PT-306 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 ;