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.r050-smll-177946901300461.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 itstools
Input is CloudDeployment-PT-3b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901300461
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 688K
-rw-r--r-- 1 mcc users 5.9K Mar 6 11:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K Mar 6 11:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 11:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 11:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 11:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 6 11:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 11:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 6 11:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:14 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 308K 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-3b-UpperBounds-00
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-01
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-02
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-03
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-04
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-05
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-06
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-07
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-08
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-09
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-10
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-11
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-12
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-13
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-14
FORMULA_NAME CloudDeployment-PT-3b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779725992302

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-3b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 16:19:54] [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]
[2026-05-25 16:19:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 16:19:55] [INFO ] Load time of PNML (sax parser for PT used): 293 ms
[2026-05-25 16:19:55] [INFO ] Transformed 859 places.
[2026-05-25 16:19:55] [INFO ] Transformed 1152 transitions.
[2026-05-25 16:19:55] [INFO ] Found NUPN structural information;
[2026-05-25 16:19:55] [INFO ] Parsed PT model containing 859 places and 1152 transitions and 4030 arcs in 530 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 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]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1672994535377573216.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17642825999142289352.kers'
[2026-05-25 16:19:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1672994535377573216.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17642825999142289352.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 2 ms.
// Phase 1: matrix 1152 rows 858 cols 3965 entries
Finished phase 1 with 843 SingleSign rule and 3 generalized
[2026-05-25 16:19:55] [INFO ] Computed 13 invariants in 11 ms
Computed 13 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-17642825999142289352.kers
Total runtime 15 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 (104 resets) in 96 ms. (103 steps per ms)
FORMULA CloudDeployment-PT-3b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80007 steps (148 resets) in 154 ms. (516 steps per ms)
FORMULA CloudDeployment-PT-3b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2026-05-25 16:19:56] [INFO ] Invariant cache hit.
[2026-05-25 16:19:57] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 103 ms returned sat
[2026-05-25 16:19:58] [INFO ] [Real]Absence check using state equation in 1042 ms returned sat
[2026-05-25 16:19:58] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 236 ms.
[2026-05-25 16:19:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:19:59] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 64 ms returned sat
[2026-05-25 16:19:59] [INFO ] [Nat]Absence check using state equation in 705 ms returned sat
[2026-05-25 16:20:00] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 135 ms.
Maximisation of solution failed !
Minimization took 2 ms.
[2026-05-25 16:20:04] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 74 ms returned sat
[2026-05-25 16:20:05] [INFO ] [Real]Absence check using state equation in 754 ms returned sat
[2026-05-25 16:20:05] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 126 ms.
[2026-05-25 16:20:06] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:20:06] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 55 ms returned sat
[2026-05-25 16:20:07] [INFO ] [Nat]Absence check using state equation in 753 ms returned sat
[2026-05-25 16:20:07] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 115 ms.
[2026-05-25 16:20:11] [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 1
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:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
[2026-05-25 16:20:11] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 83 ms returned sat
[2026-05-25 16:20:12] [INFO ] [Real]Absence check using state equation in 786 ms returned sat
[2026-05-25 16:20:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:20:12] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 75 ms returned sat
[2026-05-25 16:20:13] [INFO ] [Nat]Absence check using state equation in 739 ms returned sat
[2026-05-25 16:20:13] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 106 ms.
[2026-05-25 16:20:17] [INFO ] Added : 85 causal constraints over 17 iterations in 3794 ms. Result :unknown
[2026-05-25 16:20:17] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 55 ms returned sat
[2026-05-25 16:20:18] [INFO ] [Real]Absence check using state equation in 779 ms returned sat
[2026-05-25 16:20:18] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 129 ms.
[2026-05-25 16:20:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:20:19] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 51 ms returned sat
[2026-05-25 16:20:20] [INFO ] [Nat]Absence check using state equation in 569 ms returned sat
[2026-05-25 16:20:20] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 121 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-25 16:20:24] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 70 ms returned sat
[2026-05-25 16:20:25] [INFO ] [Real]Absence check using state equation in 777 ms returned sat
[2026-05-25 16:20:25] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:20:25] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 44 ms returned sat
[2026-05-25 16:20:26] [INFO ] [Nat]Absence check using state equation in 532 ms returned sat
[2026-05-25 16:20:26] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 85 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-25 16:20:31] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 73 ms returned sat
[2026-05-25 16:20:31] [INFO ] [Real]Absence check using state equation in 683 ms returned sat
[2026-05-25 16:20:31] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 82 ms.
[2026-05-25 16:20:32] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:20:32] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 50 ms returned sat
[2026-05-25 16:20:33] [INFO ] [Nat]Absence check using state equation in 619 ms returned sat
[2026-05-25 16:20:33] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 123 ms.
[2026-05-25 16:20:37] [INFO ] Added : 130 causal constraints over 26 iterations in 4058 ms. Result :unknown
[2026-05-25 16:20:37] [INFO ] [Real]Absence check using 0 positive and 13 generalized place invariants in 47 ms returned sat
[2026-05-25 16:20:37] [INFO ] [Real]Absence check using state equation in 521 ms returned sat
[2026-05-25 16:20:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 16:20:38] [INFO ] [Nat]Absence check using 0 positive and 13 generalized place invariants in 71 ms returned sat
[2026-05-25 16:20:39] [INFO ] [Nat]Absence check using state equation in 758 ms returned sat
[2026-05-25 16:20:39] [INFO ] Computed and/alt/rep : 1070/2452/1070 causal constraints (skipped 81 transitions) in 106 ms.
[2026-05-25 16:20:43] [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 6
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:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2280)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:207)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:803)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
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:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 1, 1, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
FORMULA CloudDeployment-PT-3b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL PARIKH_GUIDED_WALK
Support contains 5 out of 859 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 859/859 places, 1152/1152 transitions.
Graph (trivial) has 863 edges and 859 vertex of which 245 / 859 are part of one of the 23 SCC in 15 ms
Free SCC test removed 222 places
Drop transitions (Empty/Sink Transition effects.) removed 336 transitions
Reduce isomorphic transitions removed 336 transitions.
Graph (complete) has 1579 edges and 637 vertex of which 614 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.5 ms
Discarding 23 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 307 transitions
Trivial Post-agglo rules discarded 307 transitions
Performed 307 trivial Post agglomeration. Transition count delta: 307
Iterating post reduction 0 with 319 rules applied. Total rules applied 321 place count 614 transition count 494
Reduce places removed 307 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 1 with 311 rules applied. Total rules applied 632 place count 307 transition count 490
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 636 place count 303 transition count 490
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 14 Pre rules applied. Total rules applied 636 place count 303 transition count 476
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 664 place count 289 transition count 476
Discarding 106 places :
Symmetric choice reduction at 3 with 106 rule applications. Total rules 770 place count 183 transition count 370
Iterating global reduction 3 with 106 rules applied. Total rules applied 876 place count 183 transition count 370
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 882 place count 183 transition count 364
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 14 Pre rules applied. Total rules applied 882 place count 183 transition count 350
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 4 with 28 rules applied. Total rules applied 910 place count 169 transition count 350
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 911 place count 168 transition count 349
Iterating global reduction 4 with 1 rules applied. Total rules applied 912 place count 168 transition count 349
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 44
Deduced a syphon composed of 44 places in 0 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 4 with 88 rules applied. Total rules applied 1000 place count 124 transition count 305
Performed 20 Post agglomeration using F-continuation condition with reduction of 30 identical transitions.
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 4 with 40 rules applied. Total rules applied 1040 place count 104 transition count 358
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 1048 place count 104 transition count 350
Drop transitions (Redundant composition of simpler transitions.) removed 50 transitions
Redundant transition composition rules discarded 50 transitions
Iterating global reduction 5 with 50 rules applied. Total rules applied 1098 place count 104 transition count 300
Free-agglomeration rule applied 30 times with reduction of 6 identical transitions.
Iterating global reduction 5 with 30 rules applied. Total rules applied 1128 place count 104 transition count 264
Reduce places removed 30 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 33 transitions
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 51 transitions.
Graph (complete) has 420 edges and 74 vertex of which 73 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 5 with 82 rules applied. Total rules applied 1210 place count 73 transition count 213
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 1211 place count 73 transition count 212
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 1214 place count 70 transition count 200
Iterating global reduction 7 with 3 rules applied. Total rules applied 1217 place count 70 transition count 200
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 7 with 24 rules applied. Total rules applied 1241 place count 70 transition count 176
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 1242 place count 69 transition count 175
Applied a total of 1242 rules in 261 ms. Remains 69 /859 variables (removed 790) and now considering 175/1152 (removed 977) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 274 ms. Remains : 69/859 places, 175/1152 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14025620211353463755.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12593349603513620735.kers'
[2026-05-25 16:20:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14025620211353463755.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12593349603513620735.kers]
Normalized transition count is 115 out of 175 initially.
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 115 rows 64 cols 325 entries
Finished phase 1 with 57 SingleSign rule and 1 generalized
[2026-05-25 16:20:43] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12593349603513620735.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (20272 resets) in 1426 ms. (700 steps per ms)
FORMULA CloudDeployment-PT-3b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudDeployment-PT-3b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (4302 resets) in 582 ms. (1715 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 50898 ms.

BK_STOP 1779726045814

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-3b"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is CloudDeployment-PT-3b, 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 r050-smll-177946901300461"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-3b.tgz
mv CloudDeployment-PT-3b 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 ;