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-177946972200027.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-313, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200027
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 5.8K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 08:54 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 08:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 08:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 6 08:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 08:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 08:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:25 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-313-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-313-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556690108

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-313
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:18:11] [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 17:18:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:18:11] [INFO ] Load time of PNML (sax parser for PT used): 151 ms
[2026-05-23 17:18:11] [INFO ] Transformed 2585 places.
[2026-05-23 17:18:11] [INFO ] Transformed 3095 transitions.
[2026-05-23 17:18:11] [INFO ] Found NUPN structural information;
[2026-05-23 17:18:11] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 260 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 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 3095 rows 2585 cols
[2026-05-23 17:18:11] [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 (76 resets) in 54 ms. (181 steps per ms)
FORMULA CloudReconfiguration-PT-313-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110007 steps (213 resets) in 139 ms. (785 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 17:18:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:12] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 49 ms returned sat
[2026-05-23 17:18:13] [INFO ] [Real]Absence check using state equation in 999 ms returned sat
[2026-05-23 17:18:14] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 168 ms.
[2026-05-23 17:18:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:15] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 52 ms returned sat
[2026-05-23 17:18:16] [INFO ] [Nat]Absence check using state equation in 1080 ms returned sat
[2026-05-23 17:18:17] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 150 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:18:20] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:18:21] [INFO ] [Real]Absence check using state equation in 1205 ms returned sat
[2026-05-23 17:18:22] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 144 ms.
[2026-05-23 17:18:23] [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 17:18:23] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:18:24] [INFO ] [Nat]Absence check using state equation in 1196 ms returned sat
[2026-05-23 17:18:24] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 138 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 17:18:28] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:18:29] [INFO ] [Real]Absence check using state equation in 1000 ms returned sat
[2026-05-23 17:18:29] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 137 ms.
[2026-05-23 17:18:30] [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 17:18:31] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:18:32] [INFO ] [Nat]Absence check using state equation in 1072 ms returned sat
[2026-05-23 17:18:32] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 150 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 17:18:36] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:18:37] [INFO ] [Real]Absence check using state equation in 1188 ms returned sat
[2026-05-23 17:18:37] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 112 ms.
[2026-05-23 17:18:38] [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 17:18:38] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:18:40] [INFO ] [Nat]Absence check using state equation in 1165 ms returned sat
[2026-05-23 17:18:40] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 114 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 17:18:43] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:18:44] [INFO ] [Real]Absence check using state equation in 1032 ms returned sat
[2026-05-23 17:18:45] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 133 ms.
[2026-05-23 17:18:46] [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 17:18:46] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:18:47] [INFO ] [Nat]Absence check using state equation in 1084 ms returned sat
[2026-05-23 17:18:47] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 116 ms.
[2026-05-23 17:18:51] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 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 17:18:51] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:18:52] [INFO ] [Real]Absence check using state equation in 1087 ms returned sat
[2026-05-23 17:18:52] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 129 ms.
[2026-05-23 17:18:53] [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 17:18:54] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 46 ms returned sat
[2026-05-23 17:18:55] [INFO ] [Nat]Absence check using state equation in 982 ms returned sat
[2026-05-23 17:18:55] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 173 ms.
[2026-05-23 17:18:58] [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 17:18:59] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:19:00] [INFO ] [Real]Absence check using state equation in 1059 ms returned sat
[2026-05-23 17:19:00] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 136 ms.
[2026-05-23 17:19:01] [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 17:19:01] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:19:02] [INFO ] [Nat]Absence check using state equation in 1033 ms returned sat
[2026-05-23 17:19:03] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 123 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 17:19:06] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:19:07] [INFO ] [Real]Absence check using state equation in 943 ms returned sat
[2026-05-23 17:19:08] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 131 ms.
[2026-05-23 17:19:08] [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 17:19:09] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:19:10] [INFO ] [Nat]Absence check using state equation in 996 ms returned sat
[2026-05-23 17:19:10] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 109 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 17:19:14] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:19:15] [INFO ] [Real]Absence check using state equation in 1015 ms returned sat
[2026-05-23 17:19:15] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 133 ms.
[2026-05-23 17:19:16] [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 17:19:16] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:19:17] [INFO ] [Nat]Absence check using state equation in 993 ms returned sat
[2026-05-23 17:19:18] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 137 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 17:19:21] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:19:23] [INFO ] [Real]Absence check using state equation in 1056 ms returned sat
[2026-05-23 17:19:23] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 132 ms.
[2026-05-23 17:19:24] [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 17:19:24] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 17:19:25] [INFO ] [Nat]Absence check using state equation in 1151 ms returned sat
[2026-05-23 17:19:25] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 134 ms.
[2026-05-23 17:19:29] [INFO ] Added : 123 causal constraints over 25 iterations in 3336 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:29] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:19:30] [INFO ] [Real]Absence check using state equation in 1099 ms returned sat
[2026-05-23 17:19:31] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 119 ms.
[2026-05-23 17:19:31] [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 17:19:32] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:19:33] [INFO ] [Nat]Absence check using state equation in 1122 ms returned sat
[2026-05-23 17:19:33] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 119 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] Max Struct:[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, 1, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 11 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2930 edges and 2585 vertex of which 828 / 2585 are part of one of the 62 SCC in 14 ms
Free SCC test removed 766 places
Drop transitions (Empty/Sink Transition effects.) removed 935 transitions
Reduce isomorphic transitions removed 935 transitions.
Graph (complete) has 2440 edges and 1819 vertex of which 1805 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 1208 transitions
Trivial Post-agglo rules discarded 1208 transitions
Performed 1208 trivial Post agglomeration. Transition count delta: 1208
Iterating post reduction 0 with 1217 rules applied. Total rules applied 1219 place count 1805 transition count 934
Reduce places removed 1208 places and 0 transitions.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 59 transitions
Trivial Post-agglo rules discarded 59 transitions
Performed 59 trivial Post agglomeration. Transition count delta: 59
Iterating post reduction 1 with 1342 rules applied. Total rules applied 2561 place count 597 transition count 800
Reduce places removed 59 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 68 rules applied. Total rules applied 2629 place count 538 transition count 791
Reduce places removed 3 places and 0 transitions.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Iterating post reduction 3 with 14 rules applied. Total rules applied 2643 place count 535 transition count 780
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 15 rules applied. Total rules applied 2658 place count 524 transition count 776
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 2659 place count 523 transition count 776
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 25 Pre rules applied. Total rules applied 2659 place count 523 transition count 751
Deduced a syphon composed of 25 places in 2 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 6 with 50 rules applied. Total rules applied 2709 place count 498 transition count 751
Discarding 80 places :
Symmetric choice reduction at 6 with 80 rule applications. Total rules 2789 place count 418 transition count 671
Iterating global reduction 6 with 80 rules applied. Total rules applied 2869 place count 418 transition count 671
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 9 Pre rules applied. Total rules applied 2869 place count 418 transition count 662
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 6 with 18 rules applied. Total rules applied 2887 place count 409 transition count 662
Discarding 59 places :
Symmetric choice reduction at 6 with 59 rule applications. Total rules 2946 place count 350 transition count 603
Iterating global reduction 6 with 59 rules applied. Total rules applied 3005 place count 350 transition count 603
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 6 with 36 rules applied. Total rules applied 3041 place count 350 transition count 567
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 7 with 28 rules applied. Total rules applied 3069 place count 332 transition count 557
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 8 with 5 rules applied. Total rules applied 3074 place count 327 transition count 557
Discarding 20 places :
Symmetric choice reduction at 9 with 20 rule applications. Total rules 3094 place count 307 transition count 526
Iterating global reduction 9 with 20 rules applied. Total rules applied 3114 place count 307 transition count 526
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 9 with 9 rules applied. Total rules applied 3123 place count 307 transition count 517
Discarding 8 places :
Symmetric choice reduction at 10 with 8 rule applications. Total rules 3131 place count 299 transition count 501
Iterating global reduction 10 with 8 rules applied. Total rules applied 3139 place count 299 transition count 501
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 3142 place count 296 transition count 495
Iterating global reduction 10 with 3 rules applied. Total rules applied 3145 place count 296 transition count 495
Performed 160 Post agglomeration using F-continuation condition with reduction of 85 identical transitions.
Deduced a syphon composed of 160 places in 1 ms
Reduce places removed 160 places and 0 transitions.
Iterating global reduction 10 with 320 rules applied. Total rules applied 3465 place count 136 transition count 250
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 10 with 3 rules applied. Total rules applied 3468 place count 136 transition count 247
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 11 with 6 rules applied. Total rules applied 3474 place count 133 transition count 244
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 3480 place count 133 transition count 238
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 3486 place count 130 transition count 235
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 3492 place count 130 transition count 229
Performed 32 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 32 places in 1 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 13 with 64 rules applied. Total rules applied 3556 place count 98 transition count 265
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 13 with 25 rules applied. Total rules applied 3581 place count 98 transition count 240
Discarding 18 places :
Symmetric choice reduction at 14 with 18 rule applications. Total rules 3599 place count 80 transition count 204
Iterating global reduction 14 with 18 rules applied. Total rules applied 3617 place count 80 transition count 204
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 14 with 9 rules applied. Total rules applied 3626 place count 80 transition count 195
Discarding 4 places :
Symmetric choice reduction at 15 with 4 rule applications. Total rules 3630 place count 76 transition count 187
Iterating global reduction 15 with 4 rules applied. Total rules applied 3634 place count 76 transition count 187
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 3638 place count 76 transition count 183
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 16 with 4 rules applied. Total rules applied 3642 place count 76 transition count 179
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 16 with 2 rules applied. Total rules applied 3644 place count 75 transition count 178
Free-agglomeration rule applied 5 times.
Iterating global reduction 16 with 5 rules applied. Total rules applied 3649 place count 75 transition count 173
Reduce places removed 5 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 7 rules applied. Total rules applied 3656 place count 70 transition count 171
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 3657 place count 70 transition count 170
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 3659 place count 70 transition count 170
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 17 with 1 rules applied. Total rules applied 3660 place count 70 transition count 169
Discarding 1 places :
Symmetric choice reduction at 17 with 1 rule applications. Total rules 3661 place count 69 transition count 168
Iterating global reduction 17 with 1 rules applied. Total rules applied 3662 place count 69 transition count 168
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 17 with 1 rules applied. Total rules applied 3663 place count 68 transition count 167
Applied a total of 3663 rules in 410 ms. Remains 68 /2585 variables (removed 2517) and now considering 167/3095 (removed 2928) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 430 ms. Remains : 68/2585 places, 167/3095 transitions.
[2026-05-23 17:19:37] [INFO ] Flow matrix only has 154 transitions (discarded 13 similar events)
// Phase 1: matrix 154 rows 68 cols
[2026-05-23 17:19:37] [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, 1, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA CloudReconfiguration-PT-313-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (10666 resets) in 1200 ms. (832 steps per ms)
FORMULA CloudReconfiguration-PT-313-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-313-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 489 ms. (2040 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 5 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 17:19:39] [INFO ] Flatten gal took : 46 ms
[2026-05-23 17:19:39] [INFO ] Flatten gal took : 32 ms
[2026-05-23 17:19:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10697270770723882566.gal : 8 ms
[2026-05-23 17:19:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2724179519538419026.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/ReachabilityCardinality10697270770723882566.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2724179519538419026.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 87998 ms.

BK_STOP 1779556779498

--------------------
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-313"
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-313, 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-177946972200027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-313.tgz
mv CloudReconfiguration-PT-313 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 ;