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.r063-smll-177946904300064.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CloudDeployment-PT-6b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r063-smll-177946904300064
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.3M
-rw-r--r-- 1 mcc users 8.2K Mar 6 11:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 11:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 11:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 11:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 11:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 128K Mar 6 11:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 11:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 6 11:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 4.8M 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 CloudDeployment-PT-6b-UpperBounds-00
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-01
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-02
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-03
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-04
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-05
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-06
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-07
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-08
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-09
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-10
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-11
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-12
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-13
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-14
FORMULA_NAME CloudDeployment-PT-6b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779480445025

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-6b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 20:07:27] [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]
[2026-05-22 20:07:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:07:28] [INFO ] Load time of PNML (sax parser for PT used): 1020 ms
[2026-05-22 20:07:28] [INFO ] Transformed 1888 places.
[2026-05-22 20:07:28] [INFO ] Transformed 6804 transitions.
[2026-05-22 20:07:28] [INFO ] Found NUPN structural information;
[2026-05-22 20:07:29] [INFO ] Parsed PT model containing 1888 places and 6804 transitions and 91831 arcs in 1319 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 13 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 6804 rows 1888 cols
[2026-05-22 20:07:29] [INFO ] Computed 25 invariants in 269 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 (53 resets) in 169 ms. (58 steps per ms)
FORMULA CloudDeployment-PT-6b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60006 steps (33 resets) in 198 ms. (301 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
[2026-05-22 20:07:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:07:31] [INFO ] [Real]Absence check using 0 positive and 25 generalized place invariants in 169 ms returned sat
[2026-05-22 20:07:35] [INFO ] [Real]Absence check using state equation in 3439 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:07:36] [INFO ] [Real]Absence check using 0 positive and 25 generalized place invariants in 152 ms returned sat
[2026-05-22 20:07:39] [INFO ] [Real]Absence check using state equation in 3329 ms returned sat
[2026-05-22 20:07:40] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:957)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 20:07:40] [INFO ] [Real]Absence check using 0 positive and 25 generalized place invariants in 161 ms returned sat
[2026-05-22 20:07:44] [INFO ] [Real]Absence check using state equation in 3416 ms returned sat
[2026-05-22 20:07:45] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:957)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 20:07:46] [INFO ] [Real]Absence check using 0 positive and 25 generalized place invariants in 155 ms returned sat
[2026-05-22 20:07:49] [INFO ] [Real]Absence check using state equation in 3215 ms returned sat
[2026-05-22 20:07:50] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")... while checking expression at index 3
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: 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:957)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
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
[2026-05-22 20:07:51] [INFO ] [Real]Absence check using 0 positive and 25 generalized place invariants in 150 ms returned sat
[2026-05-22 20:07:54] [INFO ] [Real]Absence check using state equation in 3314 ms returned sat
[2026-05-22 20:07:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:07:55] [INFO ] [Nat]Absence check using 0 positive and 25 generalized place invariants in 136 ms returned sat
[2026-05-22 20:07:58] [INFO ] [Nat]Absence check using state equation in 2842 ms returned sat
[2026-05-22 20:08:02] [INFO ] Computed and/alt/rep : 2212/3880/2212 causal constraints (skipped 4591 transitions) in 3462 ms.
[2026-05-22 20:08:02] [INFO ] Added : 0 causal constraints over 0 iterations in 3470 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 20:08:02] [INFO ] [Real]Absence check using 0 positive and 25 generalized place invariants in 149 ms returned sat
[2026-05-22 20:08:05] [INFO ] [Real]Absence check using state equation in 3094 ms returned sat
[2026-05-22 20:08:09] [INFO ] Computed and/alt/rep : 2212/3880/2212 causal constraints (skipped 4591 transitions) in 3388 ms.
[2026-05-22 20:08:09] [INFO ] Added : 0 causal constraints over 0 iterations in 3390 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
Support contains 6 out of 1888 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1888/1888 places, 6804/6804 transitions.
Graph (trivial) has 1897 edges and 1888 vertex of which 490 / 1888 are part of one of the 48 SCC in 12 ms
Free SCC test removed 442 places
Drop transitions (Empty/Sink Transition effects.) removed 4637 transitions
Reduce isomorphic transitions removed 4637 transitions.
Graph (complete) has 4319 edges and 1446 vertex of which 1402 are kept as prefixes of interest. Removing 44 places using SCC suffix rule.19 ms
Discarding 44 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 676 transitions
Trivial Post-agglo rules discarded 676 transitions
Performed 676 trivial Post agglomeration. Transition count delta: 676
Iterating post reduction 0 with 700 rules applied. Total rules applied 702 place count 1402 transition count 1461
Reduce places removed 676 places and 0 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 1 with 682 rules applied. Total rules applied 1384 place count 726 transition count 1455
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 1391 place count 720 transition count 1454
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 23 Pre rules applied. Total rules applied 1391 place count 720 transition count 1431
Deduced a syphon composed of 23 places in 4 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 3 with 46 rules applied. Total rules applied 1437 place count 697 transition count 1431
Discarding 321 places :
Symmetric choice reduction at 3 with 321 rule applications. Total rules 1758 place count 376 transition count 1110
Iterating global reduction 3 with 321 rules applied. Total rules applied 2079 place count 376 transition count 1110
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 3 with 30 rules applied. Total rules applied 2109 place count 376 transition count 1080
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 30 Pre rules applied. Total rules applied 2109 place count 376 transition count 1050
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 4 with 60 rules applied. Total rules applied 2169 place count 346 transition count 1050
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 2173 place count 342 transition count 1046
Iterating global reduction 4 with 4 rules applied. Total rules applied 2177 place count 342 transition count 1046
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 2180 place count 339 transition count 1043
Iterating global reduction 4 with 3 rules applied. Total rules applied 2183 place count 339 transition count 1043
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 2185 place count 337 transition count 1041
Iterating global reduction 4 with 2 rules applied. Total rules applied 2187 place count 337 transition count 1041
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 2188 place count 336 transition count 1040
Iterating global reduction 4 with 1 rules applied. Total rules applied 2189 place count 336 transition count 1040
Performed 86 Post agglomeration using F-continuation condition.Transition count delta: 86
Deduced a syphon composed of 86 places in 2 ms
Reduce places removed 86 places and 0 transitions.
Iterating global reduction 4 with 172 rules applied. Total rules applied 2361 place count 250 transition count 954
Performed 37 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 37 places in 2 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 4 with 74 rules applied. Total rules applied 2435 place count 213 transition count 1182
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 4 with 25 rules applied. Total rules applied 2460 place count 213 transition count 1157
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -60
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 2472 place count 207 transition count 1217
Drop transitions (Redundant composition of simpler transitions.) removed 225 transitions
Redundant transition composition rules discarded 225 transitions
Iterating global reduction 5 with 225 rules applied. Total rules applied 2697 place count 207 transition count 992
Free-agglomeration rule applied 58 times with reduction of 30 identical transitions.
Iterating global reduction 5 with 58 rules applied. Total rules applied 2755 place count 207 transition count 904
Reduce places removed 58 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 136 transitions
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 190 transitions.
Graph (complete) has 1241 edges and 149 vertex of which 148 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 5 with 249 rules applied. Total rules applied 3004 place count 148 transition count 714
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 3005 place count 148 transition count 713
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 3008 place count 145 transition count 692
Iterating global reduction 7 with 3 rules applied. Total rules applied 3011 place count 145 transition count 692
Drop transitions (Redundant composition of simpler transitions.) removed 114 transitions
Redundant transition composition rules discarded 114 transitions
Iterating global reduction 7 with 114 rules applied. Total rules applied 3125 place count 145 transition count 578
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 3126 place count 145 transition count 578
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 3127 place count 144 transition count 577
Applied a total of 3127 rules in 811 ms. Remains 144 /1888 variables (removed 1744) and now considering 577/6804 (removed 6227) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 824 ms. Remains : 144/1888 places, 577/6804 transitions.
[2026-05-22 20:08:10] [INFO ] Flow matrix only has 277 transitions (discarded 300 similar events)
// Phase 1: matrix 277 rows 144 cols
[2026-05-22 20:08:10] [INFO ] Computed 23 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (12099 resets) in 2678 ms. (373 steps per ms)
FORMULA CloudDeployment-PT-6b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-6b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (1626 resets) in 1090 ms. (916 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 )
[2026-05-22 20:08:14] [INFO ] Flatten gal took : 185 ms
[2026-05-22 20:08:15] [INFO ] Flatten gal took : 101 ms
[2026-05-22 20:08:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8568725675837861975.gal : 42 ms
[2026-05-22 20:08:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14879910947832609047.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/ReachabilityCardinality8568725675837861975.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14879910947832609047.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 ...329
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 47588 ms.

BK_STOP 1779480495299

--------------------
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="CloudDeployment-PT-6b"
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 CloudDeployment-PT-6b, 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 r063-smll-177946904300064"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-6b.tgz
mv CloudDeployment-PT-6b 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 ;