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.r098-tall-177955695600533.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 DLCround-PT-04b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600533
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 932K
-rw-r--r-- 1 mcc users 8.4K Mar 6 17:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 17:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 17:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 17:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.8K Mar 6 17:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 51K Mar 6 17:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 17:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 17:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 547K 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 DLCround-PT-04b-UpperBounds-00
FORMULA_NAME DLCround-PT-04b-UpperBounds-01
FORMULA_NAME DLCround-PT-04b-UpperBounds-02
FORMULA_NAME DLCround-PT-04b-UpperBounds-03
FORMULA_NAME DLCround-PT-04b-UpperBounds-04
FORMULA_NAME DLCround-PT-04b-UpperBounds-05
FORMULA_NAME DLCround-PT-04b-UpperBounds-06
FORMULA_NAME DLCround-PT-04b-UpperBounds-07
FORMULA_NAME DLCround-PT-04b-UpperBounds-08
FORMULA_NAME DLCround-PT-04b-UpperBounds-09
FORMULA_NAME DLCround-PT-04b-UpperBounds-10
FORMULA_NAME DLCround-PT-04b-UpperBounds-11
FORMULA_NAME DLCround-PT-04b-UpperBounds-12
FORMULA_NAME DLCround-PT-04b-UpperBounds-13
FORMULA_NAME DLCround-PT-04b-UpperBounds-14
FORMULA_NAME DLCround-PT-04b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779629263894

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCround-PT-04b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 13:27:45] [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]
[2026-05-24 13:27:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:27:45] [INFO ] Load time of PNML (sax parser for PT used): 144 ms
[2026-05-24 13:27:45] [INFO ] Transformed 1680 places.
[2026-05-24 13:27:45] [INFO ] Transformed 2364 transitions.
[2026-05-24 13:27:45] [INFO ] Found NUPN structural information;
[2026-05-24 13:27:45] [INFO ] Parsed PT model containing 1680 places and 2364 transitions and 6156 arcs in 253 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-342865968882705338.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2877547210423658539.kers'
[2026-05-24 13:27:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-342865968882705338.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2877547210423658539.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2364 rows 1680 cols 6156 entries
Finished phase 1 with 1611 SingleSign rule and 0 generalized
[2026-05-24 13:27:45] [INFO ] Computed 69 invariants in 12 ms
Computed 69 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-2877547210423658539.kers
Total runtime 14 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 (2 resets) in 73 ms. (135 steps per ms)
FORMULA DLCround-PT-04b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
[2026-05-24 13:27:45] [INFO ] Invariant cache hit.
[2026-05-24 13:27:46] [INFO ] [Real]Absence check using 69 positive place invariants in 71 ms returned sat
[2026-05-24 13:27:46] [INFO ] [Real]Absence check using state equation in 686 ms returned sat
[2026-05-24 13:27:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:27:48] [INFO ] [Nat]Absence check using 69 positive place invariants in 72 ms returned sat
[2026-05-24 13:27:48] [INFO ] [Nat]Absence check using state equation in 600 ms returned sat
[2026-05-24 13:27:48] [INFO ] Computed and/alt/rep : 2287/4601/2287 causal constraints (skipped 76 transitions) in 94 ms.
Maximisation of solution failed !
Minimization took 7 ms.
[2026-05-24 13:27:53] [INFO ] [Real]Absence check using 69 positive place invariants in 103 ms returned sat
[2026-05-24 13:27:53] [INFO ] [Real]Absence check using state equation in 677 ms returned sat
[2026-05-24 13:27:54] [INFO ] Computed and/alt/rep : 2287/4601/2287 causal constraints (skipped 76 transitions) in 116 ms.
[2026-05-24 13:27:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:27:54] [INFO ] [Nat]Absence check using 69 positive place invariants in 108 ms returned sat
[2026-05-24 13:27:55] [INFO ] [Nat]Absence check using state equation in 701 ms returned sat
[2026-05-24 13:27:55] [INFO ] Computed and/alt/rep : 2287/4601/2287 causal constraints (skipped 76 transitions) in 128 ms.
[2026-05-24 13:27:59] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")... while checking expression at index 1
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Timeout of Z3 solver reached")...
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)
[2026-05-24 13:27:59] [INFO ] [Real]Absence check using 69 positive place invariants in 99 ms returned sat
[2026-05-24 13:28:00] [INFO ] [Real]Absence check using state equation in 645 ms returned sat
[2026-05-24 13:28:00] [INFO ] Computed and/alt/rep : 2287/4601/2287 causal constraints (skipped 76 transitions) in 115 ms.
[2026-05-24 13:28:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:28:01] [INFO ] [Nat]Absence check using 69 positive place invariants in 99 ms returned sat
[2026-05-24 13:28:02] [INFO ] [Nat]Absence check using state equation in 685 ms returned sat
[2026-05-24 13:28:02] [INFO ] Computed and/alt/rep : 2287/4601/2287 causal constraints (skipped 76 transitions) in 113 ms.
Maximisation of solution failed !
Minimization took 1 ms.
[2026-05-24 13:28:06] [INFO ] [Real]Absence check using 69 positive place invariants in 60 ms returned sat
[2026-05-24 13:28:07] [INFO ] [Real]Absence check using state equation in 669 ms returned sat
[2026-05-24 13:28:07] [INFO ] Computed and/alt/rep : 2287/4601/2287 causal constraints (skipped 76 transitions) in 114 ms.
[2026-05-24 13:28:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 13:28:08] [INFO ] [Nat]Absence check using 69 positive place invariants in 85 ms returned sat
[2026-05-24 13:28:08] [INFO ] [Nat]Absence check using state equation in 655 ms returned sat
[2026-05-24 13:28:09] [INFO ] Computed and/alt/rep : 2287/4601/2287 causal constraints (skipped 76 transitions) in 111 ms.
[2026-05-24 13:28:12] [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: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] Max Struct:[1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
Support contains 4 out of 1680 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1680/1680 places, 2364/2364 transitions.
Graph (trivial) has 1606 edges and 1680 vertex of which 338 / 1680 are part of one of the 23 SCC in 17 ms
Free SCC test removed 315 places
Drop transitions (Empty/Sink Transition effects.) removed 352 transitions
Reduce isomorphic transitions removed 352 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 651 transitions
Trivial Post-agglo rules discarded 651 transitions
Performed 651 trivial Post agglomeration. Transition count delta: 651
Iterating post reduction 0 with 651 rules applied. Total rules applied 652 place count 1365 transition count 1361
Reduce places removed 651 places and 0 transitions.
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 697 rules applied. Total rules applied 1349 place count 714 transition count 1315
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 2 with 28 rules applied. Total rules applied 1377 place count 694 transition count 1307
Reduce places removed 4 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 3 with 7 rules applied. Total rules applied 1384 place count 690 transition count 1304
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1387 place count 687 transition count 1304
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 7 Pre rules applied. Total rules applied 1387 place count 687 transition count 1297
Deduced a syphon composed of 7 places in 3 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 5 with 14 rules applied. Total rules applied 1401 place count 680 transition count 1297
Discarding 193 places :
Symmetric choice reduction at 5 with 193 rule applications. Total rules 1594 place count 487 transition count 1104
Iterating global reduction 5 with 193 rules applied. Total rules applied 1787 place count 487 transition count 1104
Performed 78 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 78 Pre rules applied. Total rules applied 1787 place count 487 transition count 1026
Deduced a syphon composed of 78 places in 5 ms
Reduce places removed 78 places and 0 transitions.
Iterating global reduction 5 with 156 rules applied. Total rules applied 1943 place count 409 transition count 1026
Discarding 41 places :
Symmetric choice reduction at 5 with 41 rule applications. Total rules 1984 place count 368 transition count 722
Iterating global reduction 5 with 41 rules applied. Total rules applied 2025 place count 368 transition count 722
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 5 with 18 rules applied. Total rules applied 2043 place count 368 transition count 704
Performed 97 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 97 places in 1 ms
Reduce places removed 97 places and 0 transitions.
Iterating global reduction 6 with 194 rules applied. Total rules applied 2237 place count 271 transition count 604
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 2242 place count 271 transition count 599
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 2243 place count 270 transition count 591
Iterating global reduction 7 with 1 rules applied. Total rules applied 2244 place count 270 transition count 591
Performed 30 Post agglomeration using F-continuation condition with reduction of 20 identical transitions.
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 7 with 60 rules applied. Total rules applied 2304 place count 240 transition count 765
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 7 with 14 rules applied. Total rules applied 2318 place count 240 transition count 751
Discarding 12 places :
Symmetric choice reduction at 8 with 12 rule applications. Total rules 2330 place count 228 transition count 578
Iterating global reduction 8 with 12 rules applied. Total rules applied 2342 place count 228 transition count 578
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 8 with 29 rules applied. Total rules applied 2371 place count 228 transition count 549
Drop transitions (Redundant composition of simpler transitions.) removed 61 transitions
Redundant transition composition rules discarded 61 transitions
Iterating global reduction 9 with 61 rules applied. Total rules applied 2432 place count 228 transition count 488
Discarding 5 places :
Symmetric choice reduction at 9 with 5 rule applications. Total rules 2437 place count 223 transition count 447
Iterating global reduction 9 with 5 rules applied. Total rules applied 2442 place count 223 transition count 447
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 9 with 6 rules applied. Total rules applied 2448 place count 223 transition count 441
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 10 with 8 rules applied. Total rules applied 2456 place count 219 transition count 468
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 10 with 5 rules applied. Total rules applied 2461 place count 219 transition count 463
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 11 with 22 rules applied. Total rules applied 2483 place count 219 transition count 441
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 11 with 8 rules applied. Total rules applied 2491 place count 215 transition count 468
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 2497 place count 215 transition count 462
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 12 with 21 rules applied. Total rules applied 2518 place count 215 transition count 441
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 12 with 8 rules applied. Total rules applied 2526 place count 211 transition count 468
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 2532 place count 211 transition count 462
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 13 with 21 rules applied. Total rules applied 2553 place count 211 transition count 441
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 13 with 8 rules applied. Total rules applied 2561 place count 207 transition count 470
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 2567 place count 207 transition count 464
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 14 with 21 rules applied. Total rules applied 2588 place count 207 transition count 443
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 14 with 8 rules applied. Total rules applied 2596 place count 203 transition count 472
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 2602 place count 203 transition count 466
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 15 with 21 rules applied. Total rules applied 2623 place count 203 transition count 445
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 15 with 8 rules applied. Total rules applied 2631 place count 199 transition count 474
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 2637 place count 199 transition count 468
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 16 with 21 rules applied. Total rules applied 2658 place count 199 transition count 447
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 16 with 8 rules applied. Total rules applied 2666 place count 195 transition count 476
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 16 with 6 rules applied. Total rules applied 2672 place count 195 transition count 470
Renaming transitions due to excessive name length > 1024 char.
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 17 with 21 rules applied. Total rules applied 2693 place count 195 transition count 449
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 17 with 8 rules applied. Total rules applied 2701 place count 191 transition count 478
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 17 with 6 rules applied. Total rules applied 2707 place count 191 transition count 472
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 18 with 21 rules applied. Total rules applied 2728 place count 191 transition count 451
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -29
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 18 with 8 rules applied. Total rules applied 2736 place count 187 transition count 480
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 18 with 6 rules applied. Total rules applied 2742 place count 187 transition count 474
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 19 with 21 rules applied. Total rules applied 2763 place count 187 transition count 453
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 19 with 8 rules applied. Total rules applied 2771 place count 183 transition count 472
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 19 with 4 rules applied. Total rules applied 2775 place count 183 transition count 468
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 20 with 19 rules applied. Total rules applied 2794 place count 183 transition count 449
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 20 with 8 rules applied. Total rules applied 2802 place count 179 transition count 468
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 20 with 4 rules applied. Total rules applied 2806 place count 179 transition count 464
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 21 with 19 rules applied. Total rules applied 2825 place count 179 transition count 445
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 21 with 8 rules applied. Total rules applied 2833 place count 175 transition count 468
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 21 with 4 rules applied. Total rules applied 2837 place count 175 transition count 464
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 22 with 19 rules applied. Total rules applied 2856 place count 175 transition count 445
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 22 with 8 rules applied. Total rules applied 2864 place count 171 transition count 468
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 22 with 4 rules applied. Total rules applied 2868 place count 171 transition count 464
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 23 with 19 rules applied. Total rules applied 2887 place count 171 transition count 445
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 23 with 8 rules applied. Total rules applied 2895 place count 167 transition count 468
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 23 with 4 rules applied. Total rules applied 2899 place count 167 transition count 464
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 24 with 19 rules applied. Total rules applied 2918 place count 167 transition count 445
Free-agglomeration rule applied 24 times.
Iterating global reduction 24 with 24 rules applied. Total rules applied 2942 place count 167 transition count 421
Reduce places removed 24 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Graph (complete) has 433 edges and 143 vertex of which 135 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 0 output transitions
Iterating post reduction 24 with 157 rules applied. Total rules applied 3099 place count 135 transition count 289
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 25 with 8 rules applied. Total rules applied 3107 place count 135 transition count 281
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 26 with 21 rules applied. Total rules applied 3128 place count 135 transition count 260
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 26 with 1 rules applied. Total rules applied 3129 place count 135 transition count 274
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 26 with 9 rules applied. Total rules applied 3138 place count 134 transition count 266
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 27 with 8 rules applied. Total rules applied 3146 place count 134 transition count 258
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 27 with 1 rules applied. Total rules applied 3147 place count 133 transition count 257
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 27 with 1 rules applied. Total rules applied 3148 place count 132 transition count 257
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 28 with 12 rules applied. Total rules applied 3160 place count 124 transition count 253
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 28 with 8 rules applied. Total rules applied 3168 place count 124 transition count 245
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 29 with 24 rules applied. Total rules applied 3192 place count 108 transition count 237
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 15 transitions.
Graph (trivial) has 12 edges and 108 vertex of which 8 / 108 are part of one of the 4 SCC in 0 ms
Free SCC test removed 4 places
Iterating post reduction 29 with 16 rules applied. Total rules applied 3208 place count 104 transition count 222
Reduce places removed 4 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 40 transitions
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 72 transitions.
Graph (complete) has 192 edges and 100 vertex of which 68 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.0 ms
Discarding 32 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Iterating post reduction 30 with 77 rules applied. Total rules applied 3285 place count 68 transition count 134
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 31 with 16 rules applied. Total rules applied 3301 place count 68 transition count 118
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 32 with 48 rules applied. Total rules applied 3349 place count 36 transition count 102
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 44 transitions.
Iterating post reduction 32 with 44 rules applied. Total rules applied 3393 place count 36 transition count 58
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 33 with 19 rules applied. Total rules applied 3412 place count 36 transition count 39
Graph (complete) has 66 edges and 36 vertex of which 18 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.0 ms
Discarding 18 places :
Also discarding 0 output transitions
Iterating post reduction 33 with 1 rules applied. Total rules applied 3413 place count 18 transition count 39
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 34 with 21 rules applied. Total rules applied 3434 place count 18 transition count 18
Free-agglomeration rule applied 3 times.
Iterating global reduction 35 with 3 rules applied. Total rules applied 3437 place count 18 transition count 15
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 35 with 3 rules applied. Total rules applied 3440 place count 15 transition count 15
Applied a total of 3440 rules in 528 ms. Remains 15 /1680 variables (removed 1665) and now considering 15/2364 (removed 2349) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 536 ms. Remains : 15/1680 places, 15/2364 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12171705758454266967.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2899137165661113008.kers'
[2026-05-24 13:28:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12171705758454266967.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2899137165661113008.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 15 rows 9 cols 24 entries
Finished phase 1 with 8 SingleSign rule and 0 generalized
[2026-05-24 13:28:13] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2899137165661113008.kers
Total runtime 0 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 781 ms. (1278 steps per ms)
FORMULA DLCround-PT-04b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-04b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 239 ms. (4166 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 29434 ms.

BK_STOP 1779629294537

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="DLCround-PT-04b"
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 DLCround-PT-04b, 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 r098-tall-177955695600533"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-04b.tgz
mv DLCround-PT-04b 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 ;