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.r111-tall-177955700900087.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DLCshifumi-PT-2b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700900087
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.5K Mar 6 18:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 6 18:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 18:09 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 09:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 6 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 6 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:29 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 729K 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 DLCshifumi-PT-2b-UpperBounds-00
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-01
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-02
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-03
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-04
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-05
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-06
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-07
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-08
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-09
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-10
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-11
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-12
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-13
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-14
FORMULA_NAME DLCshifumi-PT-2b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779627933022

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCshifumi-PT-2b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 13:05:34] [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 13:05:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:05:34] [INFO ] Load time of PNML (sax parser for PT used): 155 ms
[2026-05-24 13:05:34] [INFO ] Transformed 2483 places.
[2026-05-24 13:05:34] [INFO ] Transformed 3183 transitions.
[2026-05-24 13:05:34] [INFO ] Found NUPN structural information;
[2026-05-24 13:05:34] [INFO ] Parsed PT model containing 2483 places and 3183 transitions and 7756 arcs in 274 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 3183 rows 2483 cols
[2026-05-24 13:05:34] [INFO ] Computed 79 invariants in 51 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 85 ms. (116 steps per ms)
FORMULA DLCshifumi-PT-2b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30003 steps (6 resets) in 33 ms. (882 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
[2026-05-24 13:05:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:05:35] [INFO ] [Real]Absence check using 79 positive place invariants in 91 ms returned sat
[2026-05-24 13:05:36] [INFO ] [Real]Absence check using state equation in 965 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:37] [INFO ] Deduced a trap composed of 61 places in 753 ms of which 100 ms to minimize.
[2026-05-24 13:05:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:05:38] [INFO ] [Nat]Absence check using 79 positive place invariants in 89 ms returned sat
[2026-05-24 13:05:39] [INFO ] [Nat]Absence check using state equation in 959 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:39] [INFO ] Deduced a trap composed of 62 places in 456 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:40] [INFO ] Deduced a trap composed of 67 places in 446 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:41] [INFO ] Deduced a trap composed of 69 places in 406 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:41] [INFO ] Deduced a trap composed of 70 places in 336 ms of which 19 ms to minimize.
[2026-05-24 13:05:41] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2140 ms
[2026-05-24 13:05:41] [INFO ] Computed and/alt/rep : 3030/4725/3030 causal constraints (skipped 152 transitions) in 153 ms.
Maximisation of solution failed !
Minimization took 1 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:05:43] [INFO ] [Real]Absence check using 79 positive place invariants in 84 ms returned sat
[2026-05-24 13:05:44] [INFO ] [Real]Absence check using state equation in 957 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:44] [INFO ] Deduced a trap composed of 62 places in 435 ms of which 74 ms to minimize.
[2026-05-24 13:05:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:05:45] [INFO ] [Nat]Absence check using 79 positive place invariants in 77 ms returned sat
[2026-05-24 13:05:46] [INFO ] [Nat]Absence check using state equation in 978 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:46] [INFO ] Deduced a trap composed of 62 places in 389 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:47] [INFO ] Deduced a trap composed of 69 places in 367 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:47] [INFO ] Deduced a trap composed of 70 places in 291 ms of which 18 ms to minimize.
[2026-05-24 13:05:47] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1388 ms
[2026-05-24 13:05:48] [INFO ] Computed and/alt/rep : 3030/4725/3030 causal constraints (skipped 152 transitions) in 131 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:05:50] [INFO ] [Real]Absence check using 79 positive place invariants in 77 ms returned sat
[2026-05-24 13:05:51] [INFO ] [Real]Absence check using state equation in 980 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:52] [INFO ] Deduced a trap composed of 62 places in 366 ms of which 63 ms to minimize.
[2026-05-24 13:05:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:05:52] [INFO ] [Nat]Absence check using 79 positive place invariants in 89 ms returned sat
[2026-05-24 13:05:53] [INFO ] [Nat]Absence check using state equation in 1029 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:54] [INFO ] Deduced a trap composed of 58 places in 321 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:05:54] [INFO ] Deduced a trap composed of 70 places in 244 ms of which 15 ms to minimize.
[2026-05-24 13:05:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 843 ms
[2026-05-24 13:05:54] [INFO ] Computed and/alt/rep : 3030/4725/3030 causal constraints (skipped 152 transitions) in 147 ms.
[2026-05-24 13:05:57] [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 2
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1140)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:878)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
Support contains 3 out of 2483 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2483/2483 places, 3183/3183 transitions.
Graph (trivial) has 2443 edges and 2483 vertex of which 352 / 2483 are part of one of the 23 SCC in 9 ms
Free SCC test removed 329 places
Drop transitions (Empty/Sink Transition effects.) removed 371 transitions
Reduce isomorphic transitions removed 371 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1252 transitions
Trivial Post-agglo rules discarded 1252 transitions
Performed 1252 trivial Post agglomeration. Transition count delta: 1252
Iterating post reduction 0 with 1252 rules applied. Total rules applied 1253 place count 2154 transition count 1560
Reduce places removed 1252 places and 0 transitions.
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 46 transitions
Trivial Post-agglo rules discarded 46 transitions
Performed 46 trivial Post agglomeration. Transition count delta: 46
Iterating post reduction 1 with 1346 rules applied. Total rules applied 2599 place count 902 transition count 1466
Reduce places removed 46 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 2 with 72 rules applied. Total rules applied 2671 place count 856 transition count 1440
Reduce places removed 13 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 14 rules applied. Total rules applied 2685 place count 843 transition count 1439
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 2686 place count 842 transition count 1439
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 17 Pre rules applied. Total rules applied 2686 place count 842 transition count 1422
Deduced a syphon composed of 17 places in 8 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 5 with 34 rules applied. Total rules applied 2720 place count 825 transition count 1422
Discarding 232 places :
Symmetric choice reduction at 5 with 232 rule applications. Total rules 2952 place count 593 transition count 1190
Iterating global reduction 5 with 232 rules applied. Total rules applied 3184 place count 593 transition count 1190
Performed 81 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 81 Pre rules applied. Total rules applied 3184 place count 593 transition count 1109
Deduced a syphon composed of 81 places in 5 ms
Reduce places removed 81 places and 0 transitions.
Iterating global reduction 5 with 162 rules applied. Total rules applied 3346 place count 512 transition count 1109
Discarding 44 places :
Symmetric choice reduction at 5 with 44 rule applications. Total rules 3390 place count 468 transition count 825
Iterating global reduction 5 with 44 rules applied. Total rules applied 3434 place count 468 transition count 825
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 5 with 34 rules applied. Total rules applied 3468 place count 468 transition count 791
Performed 119 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 119 places in 0 ms
Reduce places removed 119 places and 0 transitions.
Iterating global reduction 6 with 238 rules applied. Total rules applied 3706 place count 349 transition count 670
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 3710 place count 349 transition count 666
Performed 52 Post agglomeration using F-continuation condition with reduction of 30 identical transitions.
Deduced a syphon composed of 52 places in 1 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 7 with 104 rules applied. Total rules applied 3814 place count 297 transition count 734
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 10 rules applied. Total rules applied 3824 place count 297 transition count 724
Discarding 15 places :
Symmetric choice reduction at 8 with 15 rule applications. Total rules 3839 place count 282 transition count 661
Iterating global reduction 8 with 15 rules applied. Total rules applied 3854 place count 282 transition count 661
Ensure Unique test removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Iterating post reduction 8 with 31 rules applied. Total rules applied 3885 place count 282 transition count 630
Drop transitions (Redundant composition of simpler transitions.) removed 26 transitions
Redundant transition composition rules discarded 26 transitions
Iterating global reduction 9 with 26 rules applied. Total rules applied 3911 place count 282 transition count 604
Discarding 4 places :
Symmetric choice reduction at 9 with 4 rule applications. Total rules 3915 place count 278 transition count 600
Iterating global reduction 9 with 4 rules applied. Total rules applied 3919 place count 278 transition count 600
Discarding 4 places :
Symmetric choice reduction at 9 with 4 rule applications. Total rules 3923 place count 274 transition count 534
Iterating global reduction 9 with 4 rules applied. Total rules applied 3927 place count 274 transition count 534
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 3931 place count 274 transition count 530
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 10 with 4 rules applied. Total rules applied 3935 place count 272 transition count 528
Discarding 2 places :
Symmetric choice reduction at 10 with 2 rule applications. Total rules 3937 place count 270 transition count 495
Iterating global reduction 10 with 2 rules applied. Total rules applied 3939 place count 270 transition count 495
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 10 with 2 rules applied. Total rules applied 3941 place count 270 transition count 493
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 11 with 8 rules applied. Total rules applied 3949 place count 266 transition count 520
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 11 with 5 rules applied. Total rules applied 3954 place count 266 transition count 515
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 12 with 22 rules applied. Total rules applied 3976 place count 266 transition count 493
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -28
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 3984 place count 262 transition count 521
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 3990 place count 262 transition count 515
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 4011 place count 262 transition count 494
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 13 with 8 rules applied. Total rules applied 4019 place count 258 transition count 521
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 4025 place count 258 transition count 515
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 4046 place count 258 transition count 494
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
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 4054 place count 254 transition count 521
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 4060 place count 254 transition count 515
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 4081 place count 254 transition count 494
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 15 with 8 rules applied. Total rules applied 4089 place count 250 transition count 523
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 4095 place count 250 transition count 517
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 16 with 21 rules applied. Total rules applied 4116 place count 250 transition count 496
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 16 with 8 rules applied. Total rules applied 4124 place count 246 transition count 523
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 4130 place count 246 transition count 517
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 4151 place count 246 transition count 496
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 17 with 8 rules applied. Total rules applied 4159 place count 242 transition count 523
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 4165 place count 242 transition count 517
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 4186 place count 242 transition count 496
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 18 with 8 rules applied. Total rules applied 4194 place count 238 transition count 523
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 4200 place count 238 transition count 517
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 4221 place count 238 transition count 496
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -28
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 4229 place count 234 transition count 524
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 19 with 6 rules applied. Total rules applied 4235 place count 234 transition count 518
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 20 with 21 rules applied. Total rules applied 4256 place count 234 transition count 497
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 20 with 8 rules applied. Total rules applied 4264 place count 230 transition count 524
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 20 with 6 rules applied. Total rules applied 4270 place count 230 transition count 518
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 21 with 21 rules applied. Total rules applied 4291 place count 230 transition count 497
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 21 with 8 rules applied. Total rules applied 4299 place count 226 transition count 524
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 21 with 6 rules applied. Total rules applied 4305 place count 226 transition count 518
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 22 with 21 rules applied. Total rules applied 4326 place count 226 transition count 497
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 22 with 8 rules applied. Total rules applied 4334 place count 222 transition count 524
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 22 with 6 rules applied. Total rules applied 4340 place count 222 transition count 518
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 23 with 21 rules applied. Total rules applied 4361 place count 222 transition count 497
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 23 with 8 rules applied. Total rules applied 4369 place count 218 transition count 526
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 23 with 6 rules applied. Total rules applied 4375 place count 218 transition count 520
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 24 with 21 rules applied. Total rules applied 4396 place count 218 transition count 499
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 24 with 8 rules applied. Total rules applied 4404 place count 214 transition count 526
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 24 with 6 rules applied. Total rules applied 4410 place count 214 transition count 520
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 25 with 21 rules applied. Total rules applied 4431 place count 214 transition count 499
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 25 with 4 rules applied. Total rules applied 4435 place count 212 transition count 504
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 25 with 2 rules applied. Total rules applied 4437 place count 212 transition count 502
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 26 with 5 rules applied. Total rules applied 4442 place count 212 transition count 497
Free-agglomeration rule applied 49 times.
Iterating global reduction 26 with 49 rules applied. Total rules applied 4491 place count 212 transition count 448
Reduce places removed 49 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 154 transitions
Reduce isomorphic transitions removed 154 transitions.
Graph (complete) has 463 edges and 163 vertex of which 29 are kept as prefixes of interest. Removing 134 places using SCC suffix rule.0 ms
Discarding 134 places :
Also discarding 182 output transitions
Drop transitions (Output transitions of discarded places.) removed 182 transitions
Iterating post reduction 26 with 204 rules applied. Total rules applied 4695 place count 29 transition count 112
Drop transitions (Empty/Sink Transition effects.) removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 27 with 56 rules applied. Total rules applied 4751 place count 29 transition count 56
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 28 with 4 rules applied. Total rules applied 4755 place count 29 transition count 52
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 28 with 1 rules applied. Total rules applied 4756 place count 28 transition count 51
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 28 with 2 rules applied. Total rules applied 4758 place count 26 transition count 51
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 29 with 12 rules applied. Total rules applied 4770 place count 18 transition count 47
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 29 with 19 rules applied. Total rules applied 4789 place count 18 transition count 28
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 30 with 12 rules applied. Total rules applied 4801 place count 10 transition count 24
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 10 transitions.
Graph (trivial) has 7 edges and 10 vertex of which 4 / 10 are part of one of the 2 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 30 with 11 rules applied. Total rules applied 4812 place count 8 transition count 14
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 31 with 4 rules applied. Total rules applied 4816 place count 8 transition count 10
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 32 with 1 Pre rules applied. Total rules applied 4816 place count 8 transition count 9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 32 with 2 rules applied. Total rules applied 4818 place count 7 transition count 9
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 32 with 1 rules applied. Total rules applied 4819 place count 7 transition count 8
Free-agglomeration rule applied 2 times.
Iterating global reduction 32 with 2 rules applied. Total rules applied 4821 place count 7 transition count 6
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 32 with 2 rules applied. Total rules applied 4823 place count 5 transition count 6
Applied a total of 4823 rules in 641 ms. Remains 5 /2483 variables (removed 2478) and now considering 6/3183 (removed 3177) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 648 ms. Remains : 5/2483 places, 6/3183 transitions.
// Phase 1: matrix 6 rows 5 cols
[2026-05-24 13:05:57] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 437 ms. (2283 steps per ms)
FORMULA DLCshifumi-PT-2b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCshifumi-PT-2b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000000 steps (2 resets) in 182 ms. (5464 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 )
[2026-05-24 13:05:58] [INFO ] Flatten gal took : 126 ms
[2026-05-24 13:05:58] [INFO ] Flatten gal took : 2 ms
[2026-05-24 13:05:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1937910972058458505.gal : 3 ms
[2026-05-24 13:05:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4549814980729087330.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/ReachabilityCardinality1937910972058458505.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4549814980729087330.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 24333 ms.

BK_STOP 1779627958813

--------------------
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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ 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="DLCshifumi-PT-2b"
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 DLCshifumi-PT-2b, 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 r111-tall-177955700900087"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-2b.tgz
mv DLCshifumi-PT-2b 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 ;