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-177946972200017.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-303, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.8K Mar 6 08:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 6 08:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 08:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K 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 4.0K Mar 15 08:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 6 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Mar 6 08:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:22 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-303-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-303-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556551711

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-303
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:15:53] [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 17:15:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:15:53] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2026-05-23 17:15:53] [INFO ] Transformed 2584 places.
[2026-05-23 17:15:53] [INFO ] Transformed 3094 transitions.
[2026-05-23 17:15:53] [INFO ] Found NUPN structural information;
[2026-05-23 17:15:53] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 253 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 17:15:53] [INFO ] Computed 4 invariants in 63 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 (112 resets) in 51 ms. (192 steps per ms)
FORMULA CloudReconfiguration-PT-303-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 140013 steps (523 resets) in 196 ms. (710 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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 17:15:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:15:54] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 53 ms returned sat
[2026-05-23 17:15:55] [INFO ] [Real]Absence check using state equation in 1141 ms returned sat
[2026-05-23 17:15:56] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 166 ms.
[2026-05-23 17:15:57] [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 17:15:57] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 17:15:58] [INFO ] [Nat]Absence check using state equation in 1197 ms returned sat
[2026-05-23 17:15:59] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 148 ms.
[2026-05-23 17:16:02] [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: 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 17:16:02] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:16:03] [INFO ] [Real]Absence check using state equation in 1022 ms returned sat
[2026-05-23 17:16:04] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 188 ms.
[2026-05-23 17:16:04] [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 17:16:05] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:16:06] [INFO ] [Nat]Absence check using state equation in 1165 ms returned sat
[2026-05-23 17:16:06] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 142 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 17:16:10] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:16:11] [INFO ] [Real]Absence check using state equation in 1125 ms returned sat
[2026-05-23 17:16:11] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 145 ms.
[2026-05-23 17:16:12] [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 17:16:13] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:16:14] [INFO ] [Nat]Absence check using state equation in 1059 ms returned sat
[2026-05-23 17:16:14] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 152 ms.
[2026-05-23 17:16:17] [INFO ] Added : 130 causal constraints over 26 iterations in 3420 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:18] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:16:19] [INFO ] [Real]Absence check using state equation in 1065 ms returned sat
[2026-05-23 17:16:19] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 161 ms.
[2026-05-23 17:16:20] [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 17:16:20] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:16:21] [INFO ] [Nat]Absence check using state equation in 1003 ms returned sat
[2026-05-23 17:16:22] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 130 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 17:16:25] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:27] [INFO ] [Real]Absence check using state equation in 1093 ms returned sat
[2026-05-23 17:16:27] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 131 ms.
[2026-05-23 17:16:28] [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 17:16:28] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:16:29] [INFO ] [Nat]Absence check using state equation in 1113 ms returned sat
[2026-05-23 17:16:30] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 140 ms.
[2026-05-23 17:16:33] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... 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: 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 17:16:33] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:16:34] [INFO ] [Real]Absence check using state equation in 1104 ms returned sat
[2026-05-23 17:16:35] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 125 ms.
[2026-05-23 17:16:35] [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 17:16:36] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:16:37] [INFO ] [Nat]Absence check using state equation in 1069 ms returned sat
[2026-05-23 17:16:37] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 124 ms.
0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:41] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:16:42] [INFO ] [Real]Absence check using state equation in 1091 ms returned sat
[2026-05-23 17:16:43] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 164 ms.
[2026-05-23 17:16:43] [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 17:16:44] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 57 ms returned sat
[2026-05-23 17:16:45] [INFO ] [Nat]Absence check using state equation in 1139 ms returned sat
[2026-05-23 17:16:45] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 142 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 17:16:49] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:16:50] [INFO ] [Real]Absence check using state equation in 1017 ms returned sat
[2026-05-23 17:16:50] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 119 ms.
[2026-05-23 17:16:51] [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 17:16:52] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:16:53] [INFO ] [Nat]Absence check using state equation in 1073 ms returned sat
[2026-05-23 17:16:53] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 120 ms.
[2026-05-23 17:16:56] [INFO ] Added : 135 causal constraints over 27 iterations in 3449 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:16:57] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:16:58] [INFO ] [Real]Absence check using state equation in 1065 ms returned sat
[2026-05-23 17:16:58] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 122 ms.
[2026-05-23 17:16:59] [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 17:16:59] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:17:00] [INFO ] [Nat]Absence check using state equation in 1065 ms returned sat
[2026-05-23 17:17:00] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 119 ms.
[2026-05-23 17:17:04] [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 17:17:04] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:17:05] [INFO ] [Real]Absence check using state equation in 1047 ms returned sat
[2026-05-23 17:17:06] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 154 ms.
[2026-05-23 17:17:06] [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 17:17:07] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 50 ms returned sat
[2026-05-23 17:17:08] [INFO ] [Nat]Absence check using state equation in 1089 ms returned sat
[2026-05-23 17:17:08] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 131 ms.
[2026-05-23 17:17:11] [INFO ] Added : 125 causal constraints over 25 iterations in 3412 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:12] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 17:17:13] [INFO ] [Real]Absence check using state equation in 1082 ms returned sat
[2026-05-23 17:17:13] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 143 ms.
[2026-05-23 17:17:14] [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 17:17:15] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:17:16] [INFO ] [Nat]Absence check using state equation in 1054 ms returned sat
[2026-05-23 17:17:16] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 118 ms.
0timeout
^^^^^^^^
(error "Invalid token: 0timeout")
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:17:20] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:17:21] [INFO ] [Real]Absence check using state equation in 1254 ms returned sat
[2026-05-23 17:17:21] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 146 ms.
[2026-05-23 17:17:22] [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 17:17:22] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 48 ms returned sat
[2026-05-23 17:17:23] [INFO ] [Nat]Absence check using state equation in 1070 ms returned sat
[2026-05-23 17:17:24] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 123 ms.
[2026-05-23 17:17:27] [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 11
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 17:17:27] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 17:17:28] [INFO ] [Real]Absence check using state equation in 1019 ms returned sat
[2026-05-23 17:17:29] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 118 ms.
[2026-05-23 17:17:30] [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 17:17:30] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:17:31] [INFO ] [Nat]Absence check using state equation in 1044 ms returned sat
[2026-05-23 17:17:31] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 164 ms.
[2026-05-23 17:17:35] [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: 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 17:17:35] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:17:36] [INFO ] [Real]Absence check using state equation in 1000 ms returned sat
[2026-05-23 17:17:36] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 123 ms.
[2026-05-23 17:17:37] [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 17:17:38] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:17:39] [INFO ] [Nat]Absence check using state equation in 1028 ms returned sat
[2026-05-23 17:17:39] [INFO ] Computed and/alt/rep : 3085/3789/3085 causal constraints (skipped 8 transitions) in 121 ms.
[2026-05-23 17:17:42] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 13
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)
Current structural bounds on expressions (after SMT) : Max Seen:[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]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[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]
Support contains 14 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2927 edges and 2584 vertex of which 859 / 2584 are part of one of the 61 SCC in 39 ms
Free SCC test removed 798 places
Drop transitions (Empty/Sink Transition effects.) removed 975 transitions
Reduce isomorphic transitions removed 975 transitions.
Graph (complete) has 2397 edges and 1786 vertex of which 1772 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 1182 transitions
Trivial Post-agglo rules discarded 1182 transitions
Performed 1182 trivial Post agglomeration. Transition count delta: 1182
Iterating post reduction 0 with 1191 rules applied. Total rules applied 1193 place count 1772 transition count 919
Reduce places removed 1182 places and 0 transitions.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 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 1322 rules applied. Total rules applied 2515 place count 590 transition count 779
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 73 rules applied. Total rules applied 2588 place count 526 transition count 770
Reduce places removed 3 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 9 rules applied. Total rules applied 2597 place count 523 transition count 764
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 2605 place count 519 transition count 760
Reduce places removed 2 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 5 with 10 rules applied. Total rules applied 2615 place count 517 transition count 752
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 2623 place count 509 transition count 752
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 20 Pre rules applied. Total rules applied 2623 place count 509 transition count 732
Deduced a syphon composed of 20 places in 2 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 7 with 40 rules applied. Total rules applied 2663 place count 489 transition count 732
Discarding 77 places :
Symmetric choice reduction at 7 with 77 rule applications. Total rules 2740 place count 412 transition count 655
Iterating global reduction 7 with 77 rules applied. Total rules applied 2817 place count 412 transition count 655
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 8 Pre rules applied. Total rules applied 2817 place count 412 transition count 647
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 7 with 16 rules applied. Total rules applied 2833 place count 404 transition count 647
Discarding 60 places :
Symmetric choice reduction at 7 with 60 rule applications. Total rules 2893 place count 344 transition count 587
Iterating global reduction 7 with 60 rules applied. Total rules applied 2953 place count 344 transition count 587
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 2987 place count 344 transition count 553
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 8 with 29 rules applied. Total rules applied 3016 place count 327 transition count 541
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 3022 place count 321 transition count 541
Discarding 19 places :
Symmetric choice reduction at 10 with 19 rule applications. Total rules 3041 place count 302 transition count 511
Iterating global reduction 10 with 19 rules applied. Total rules applied 3060 place count 302 transition count 511
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 10 with 7 rules applied. Total rules applied 3067 place count 302 transition count 504
Discarding 8 places :
Symmetric choice reduction at 11 with 8 rule applications. Total rules 3075 place count 294 transition count 488
Iterating global reduction 11 with 8 rules applied. Total rules applied 3083 place count 294 transition count 488
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 3086 place count 291 transition count 482
Iterating global reduction 11 with 3 rules applied. Total rules applied 3089 place count 291 transition count 482
Performed 148 Post agglomeration using F-continuation condition with reduction of 79 identical transitions.
Deduced a syphon composed of 148 places in 0 ms
Reduce places removed 148 places and 0 transitions.
Iterating global reduction 11 with 296 rules applied. Total rules applied 3385 place count 143 transition count 255
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 3387 place count 143 transition count 253
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 12 with 6 rules applied. Total rules applied 3393 place count 140 transition count 250
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 3399 place count 140 transition count 244
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 3403 place count 138 transition count 242
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 3407 place count 138 transition count 238
Performed 36 Post agglomeration using F-continuation condition with reduction of 9 identical transitions.
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 14 with 72 rules applied. Total rules applied 3479 place count 102 transition count 271
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 14 with 52 rules applied. Total rules applied 3531 place count 102 transition count 219
Discarding 23 places :
Symmetric choice reduction at 15 with 23 rule applications. Total rules 3554 place count 79 transition count 189
Iterating global reduction 15 with 23 rules applied. Total rules applied 3577 place count 79 transition count 189
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 15 with 13 rules applied. Total rules applied 3590 place count 79 transition count 176
Discarding 5 places :
Symmetric choice reduction at 16 with 5 rule applications. Total rules 3595 place count 74 transition count 166
Iterating global reduction 16 with 5 rules applied. Total rules applied 3600 place count 74 transition count 166
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 3604 place count 74 transition count 162
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 17 with 14 rules applied. Total rules applied 3618 place count 74 transition count 148
Discarding 1 places :
Symmetric choice reduction at 17 with 1 rule applications. Total rules 3619 place count 73 transition count 145
Iterating global reduction 17 with 1 rules applied. Total rules applied 3620 place count 73 transition count 145
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3621 place count 73 transition count 144
Free-agglomeration rule applied 6 times.
Iterating global reduction 18 with 6 rules applied. Total rules applied 3627 place count 73 transition count 138
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 7 rules applied. Total rules applied 3634 place count 67 transition count 137
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 3636 place count 67 transition count 135
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 19 with 3 rules applied. Total rules applied 3639 place count 67 transition count 135
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 19 with 1 rules applied. Total rules applied 3640 place count 66 transition count 134
Applied a total of 3640 rules in 533 ms. Remains 66 /2584 variables (removed 2518) and now considering 134/3094 (removed 2960) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 562 ms. Remains : 66/2584 places, 134/3094 transitions.
[2026-05-23 17:17:43] [INFO ] Flow matrix only has 129 transitions (discarded 5 similar events)
// Phase 1: matrix 129 rows 66 cols
[2026-05-23 17:17:43] [INFO ] Computed 4 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[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]
RANDOM walk for 1000000 steps (23262 resets) in 1202 ms. (831 steps per ms)
FORMULA CloudReconfiguration-PT-303-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3000002 steps (18693 resets) in 966 ms. (3102 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-23 17:17:45] [INFO ] Flow matrix only has 129 transitions (discarded 5 similar events)
[2026-05-23 17:17:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:45] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:17:45] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-23 17:17:45] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 17:17:45] [INFO ] [Real]Added 2 Read/Feed constraints in 2 ms returned sat
[2026-05-23 17:17:45] [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 17:17:45] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:17:45] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2026-05-23 17:17:45] [INFO ] [Nat]Added 2 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 17:17:45] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 4 ms to minimize.
[2026-05-23 17:17:45] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 78 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:46] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:17:46] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-23 17:17:46] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2026-05-23 17:17:46] [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 17:17:46] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2026-05-23 17:17:46] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-23 17:17:46] [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 17:17:46] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 2 ms to minimize.
[2026-05-23 17:17:46] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 46 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 17:17:46] [INFO ] [Real]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:17:46] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-23 17:17:46] [INFO ] [Real]Added 2 Read/Feed constraints in 1 ms returned sat
[2026-05-23 17:17:46] [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 17:17:46] [INFO ] [Nat]Absence check using 4 positive place invariants in 1 ms returned sat
[2026-05-23 17:17:46] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2026-05-23 17:17:46] [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 17:17:46] [INFO ] Deduced a trap composed of 9 places in 43 ms of which 2 ms to minimize.
[2026-05-23 17:17:46] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 60 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[0, 0, 0]
FORMULA CloudReconfiguration-PT-303-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CloudReconfiguration-PT-303-UpperBounds-04 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 17:17:46] [INFO ] Flatten gal took : 41 ms
[2026-05-23 17:17:46] [INFO ] Flatten gal took : 27 ms
[2026-05-23 17:17:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2061735160669176183.gal : 9 ms
[2026-05-23 17:17:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1088362293543418655.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2061735160669176183.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1088362293543418655.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
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 113616 ms.

BK_STOP 1779556666839

--------------------
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-303"
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-303, 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-177946972200017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-303.tgz
mv CloudReconfiguration-PT-303 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 ;