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-177946972200031.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-318, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r079-tall-177946972200031
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.9K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 3.9K Mar 15 08:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Mar 6 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 08:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Mar 6 08:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:26 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 661K 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-318-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-318-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779556763798

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-318
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 17:19:25] [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 17:19:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:19:25] [INFO ] Load time of PNML (sax parser for PT used): 141 ms
[2026-05-23 17:19:25] [INFO ] Transformed 2587 places.
[2026-05-23 17:19:25] [INFO ] Transformed 3099 transitions.
[2026-05-23 17:19:25] [INFO ] Found NUPN structural information;
[2026-05-23 17:19:25] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 244 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 3099 rows 2587 cols
[2026-05-23 17:19:25] [INFO ] Computed 4 invariants in 70 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 (85 resets) in 54 ms. (181 steps per ms)
FORMULA CloudReconfiguration-PT-318-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100009 steps (234 resets) in 132 ms. (751 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-23 17:19:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:26] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 51 ms returned sat
[2026-05-23 17:19:27] [INFO ] [Real]Absence check using state equation in 1099 ms returned sat
[2026-05-23 17:19:28] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 322 ms.
[2026-05-23 17:19:29] [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 17:19:29] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 47 ms returned sat
[2026-05-23 17:19:30] [INFO ] [Nat]Absence check using state equation in 1071 ms returned sat
[2026-05-23 17:19:30] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 153 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:34] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:19:35] [INFO ] [Real]Absence check using state equation in 1137 ms returned sat
[2026-05-23 17:19:35] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 145 ms.
[2026-05-23 17:19:36] [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 17:19:37] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:19:38] [INFO ] [Nat]Absence check using state equation in 1080 ms returned sat
[2026-05-23 17:19:38] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 122 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:42] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:19:43] [INFO ] [Real]Absence check using state equation in 1135 ms returned sat
[2026-05-23 17:19:43] [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 17:19:43] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:19:44] [INFO ] [Nat]Absence check using state equation in 986 ms returned sat
[2026-05-23 17:19:45] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 126 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:48] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:19:49] [INFO ] [Real]Absence check using state equation in 1056 ms returned sat
[2026-05-23 17:19:50] [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 17:19:50] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 45 ms returned sat
[2026-05-23 17:19:51] [INFO ] [Nat]Absence check using state equation in 1067 ms returned sat
[2026-05-23 17:19:51] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 138 ms.
[2026-05-23 17:19:55] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:19:55] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:19:56] [INFO ] [Real]Absence check using state equation in 1237 ms returned sat
[2026-05-23 17:19:57] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 118 ms.
[2026-05-23 17:19:57] [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 17:19:58] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:19:59] [INFO ] [Nat]Absence check using state equation in 1178 ms returned sat
[2026-05-23 17:19:59] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 112 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:03] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:20:04] [INFO ] [Real]Absence check using state equation in 1059 ms returned sat
[2026-05-23 17:20:04] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 115 ms.
[2026-05-23 17:20:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:05] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:20:06] [INFO ] [Nat]Absence check using state equation in 973 ms returned sat
[2026-05-23 17:20:06] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 122 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 17:20:10] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:20:11] [INFO ] [Real]Absence check using state equation in 873 ms returned sat
[2026-05-23 17:20:11] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 123 ms.
[2026-05-23 17:20:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:13] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:20:14] [INFO ] [Nat]Absence check using state equation in 1062 ms returned sat
[2026-05-23 17:20:14] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 121 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:18] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:20:19] [INFO ] [Real]Absence check using state equation in 979 ms returned sat
[2026-05-23 17:20:19] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 109 ms.
[2026-05-23 17:20:20] [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 17:20:20] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:20:21] [INFO ] [Nat]Absence check using state equation in 1149 ms returned sat
[2026-05-23 17:20:22] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 119 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 17:20:25] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 41 ms returned sat
[2026-05-23 17:20:26] [INFO ] [Real]Absence check using state equation in 1115 ms returned sat
[2026-05-23 17:20:27] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 116 ms.
[2026-05-23 17:20:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:28] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 44 ms returned sat
[2026-05-23 17:20:29] [INFO ] [Nat]Absence check using state equation in 979 ms returned sat
[2026-05-23 17:20:29] [INFO ] Computed and/alt/rep : 3090/3829/3090 causal constraints (skipped 8 transitions) in 110 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:33] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 42 ms returned sat
[2026-05-23 17:20:34] [INFO ] [Real]Absence check using state equation in 1102 ms returned sat
[2026-05-23 17:20:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 17:20:35] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 43 ms returned sat
[2026-05-23 17:20:36] [INFO ] [Nat]Absence check using state equation in 1067 ms returned sat
[2026-05-23 17:20:36] [INFO ] Computed and/alt/rep : 3090/3829/3090 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] Max Struct:[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] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 10 out of 2587 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Graph (trivial) has 2935 edges and 2587 vertex of which 837 / 2587 are part of one of the 62 SCC in 10 ms
Free SCC test removed 775 places
Drop transitions (Empty/Sink Transition effects.) removed 947 transitions
Reduce isomorphic transitions removed 947 transitions.
Graph (complete) has 2438 edges and 1812 vertex of which 1798 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.5 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 1210 transitions
Trivial Post-agglo rules discarded 1210 transitions
Performed 1210 trivial Post agglomeration. Transition count delta: 1210
Iterating post reduction 0 with 1219 rules applied. Total rules applied 1221 place count 1798 transition count 924
Reduce places removed 1210 places and 0 transitions.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 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 1349 rules applied. Total rules applied 2570 place count 588 transition count 785
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 71 rules applied. Total rules applied 2641 place count 524 transition count 778
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 3 with 8 rules applied. Total rules applied 2649 place count 522 transition count 772
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 2657 place count 518 transition count 768
Reduce places removed 2 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 5 with 5 rules applied. Total rules applied 2662 place count 516 transition count 765
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 2665 place count 513 transition count 765
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 22 Pre rules applied. Total rules applied 2665 place count 513 transition count 743
Deduced a syphon composed of 22 places in 2 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 7 with 44 rules applied. Total rules applied 2709 place count 491 transition count 743
Discarding 82 places :
Symmetric choice reduction at 7 with 82 rule applications. Total rules 2791 place count 409 transition count 661
Iterating global reduction 7 with 82 rules applied. Total rules applied 2873 place count 409 transition count 661
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 5 rules applied. Total rules applied 2878 place count 409 transition count 656
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 2879 place count 408 transition count 656
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 9 Pre rules applied. Total rules applied 2879 place count 408 transition count 647
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 9 with 18 rules applied. Total rules applied 2897 place count 399 transition count 647
Discarding 59 places :
Symmetric choice reduction at 9 with 59 rule applications. Total rules 2956 place count 340 transition count 588
Iterating global reduction 9 with 59 rules applied. Total rules applied 3015 place count 340 transition count 588
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 9 with 34 rules applied. Total rules applied 3049 place count 340 transition count 554
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 10 with 29 rules applied. Total rules applied 3078 place count 323 transition count 542
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 3084 place count 317 transition count 542
Discarding 20 places :
Symmetric choice reduction at 12 with 20 rule applications. Total rules 3104 place count 297 transition count 511
Iterating global reduction 12 with 20 rules applied. Total rules applied 3124 place count 297 transition count 511
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 12 with 8 rules applied. Total rules applied 3132 place count 297 transition count 503
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 3141 place count 288 transition count 485
Iterating global reduction 13 with 9 rules applied. Total rules applied 3150 place count 288 transition count 485
Discarding 3 places :
Symmetric choice reduction at 13 with 3 rule applications. Total rules 3153 place count 285 transition count 479
Iterating global reduction 13 with 3 rules applied. Total rules applied 3156 place count 285 transition count 479
Performed 153 Post agglomeration using F-continuation condition with reduction of 83 identical transitions.
Deduced a syphon composed of 153 places in 1 ms
Reduce places removed 153 places and 0 transitions.
Iterating global reduction 13 with 306 rules applied. Total rules applied 3462 place count 132 transition count 243
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 3465 place count 132 transition count 240
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 14 with 6 rules applied. Total rules applied 3471 place count 129 transition count 237
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 3477 place count 129 transition count 231
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 15 with 6 rules applied. Total rules applied 3483 place count 126 transition count 228
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 3489 place count 126 transition count 222
Performed 31 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 31 places in 0 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 16 with 62 rules applied. Total rules applied 3551 place count 95 transition count 272
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 16 with 44 rules applied. Total rules applied 3595 place count 95 transition count 228
Discarding 21 places :
Symmetric choice reduction at 17 with 21 rule applications. Total rules 3616 place count 74 transition count 200
Iterating global reduction 17 with 21 rules applied. Total rules applied 3637 place count 74 transition count 200
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 17 with 11 rules applied. Total rules applied 3648 place count 74 transition count 189
Discarding 5 places :
Symmetric choice reduction at 18 with 5 rule applications. Total rules 3653 place count 69 transition count 179
Iterating global reduction 18 with 5 rules applied. Total rules applied 3658 place count 69 transition count 179
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 18 with 5 rules applied. Total rules applied 3663 place count 69 transition count 174
Drop transitions (Redundant composition of simpler transitions.) removed 32 transitions
Redundant transition composition rules discarded 32 transitions
Iterating global reduction 19 with 32 rules applied. Total rules applied 3695 place count 69 transition count 142
Discarding 3 places :
Symmetric choice reduction at 19 with 3 rule applications. Total rules 3698 place count 66 transition count 135
Iterating global reduction 19 with 3 rules applied. Total rules applied 3701 place count 66 transition count 135
Discarding 2 places :
Symmetric choice reduction at 19 with 2 rule applications. Total rules 3703 place count 64 transition count 133
Iterating global reduction 19 with 2 rules applied. Total rules applied 3705 place count 64 transition count 133
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 19 with 4 rules applied. Total rules applied 3709 place count 64 transition count 129
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 20 with 3 rules applied. Total rules applied 3712 place count 64 transition count 126
Free-agglomeration rule applied 5 times.
Iterating global reduction 20 with 5 rules applied. Total rules applied 3717 place count 64 transition count 121
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 20 with 5 rules applied. Total rules applied 3722 place count 59 transition count 121
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 21 with 1 rules applied. Total rules applied 3723 place count 59 transition count 120
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 21 with 3 rules applied. Total rules applied 3726 place count 59 transition count 120
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 21 with 1 rules applied. Total rules applied 3727 place count 58 transition count 119
Applied a total of 3727 rules in 274 ms. Remains 58 /2587 variables (removed 2529) and now considering 119/3099 (removed 2980) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 285 ms. Remains : 58/2587 places, 119/3099 transitions.
[2026-05-23 17:20:39] [INFO ] Flow matrix only has 114 transitions (discarded 5 similar events)
// Phase 1: matrix 114 rows 58 cols
[2026-05-23 17:20:39] [INFO ] Computed 4 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (10266 resets) in 930 ms. (1074 steps per ms)
FORMULA CloudReconfiguration-PT-318-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-318-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (3149 resets) in 335 ms. (2976 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-23 17:20:41] [INFO ] Flatten gal took : 34 ms
[2026-05-23 17:20:41] [INFO ] Flatten gal took : 11 ms
[2026-05-23 17:20:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13694354331632344100.gal : 7 ms
[2026-05-23 17:20:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12947248645131635372.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/ReachabilityCardinality13694354331632344100.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12947248645131635372.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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 ...330
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 76328 ms.

BK_STOP 1779556841477

--------------------
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-318"
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-318, 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-177946972200031"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-318.tgz
mv CloudReconfiguration-PT-318 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 ;