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-177955700900075.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 DLCround-PT-08b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700900075
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 9.8K Mar 6 17:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 6 17:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 17:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 17:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 17:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 6 17:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:25 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 1.1M 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-08b-UpperBounds-00
FORMULA_NAME DLCround-PT-08b-UpperBounds-01
FORMULA_NAME DLCround-PT-08b-UpperBounds-02
FORMULA_NAME DLCround-PT-08b-UpperBounds-03
FORMULA_NAME DLCround-PT-08b-UpperBounds-04
FORMULA_NAME DLCround-PT-08b-UpperBounds-05
FORMULA_NAME DLCround-PT-08b-UpperBounds-06
FORMULA_NAME DLCround-PT-08b-UpperBounds-07
FORMULA_NAME DLCround-PT-08b-UpperBounds-08
FORMULA_NAME DLCround-PT-08b-UpperBounds-09
FORMULA_NAME DLCround-PT-08b-UpperBounds-10
FORMULA_NAME DLCround-PT-08b-UpperBounds-11
FORMULA_NAME DLCround-PT-08b-UpperBounds-12
FORMULA_NAME DLCround-PT-08b-UpperBounds-13
FORMULA_NAME DLCround-PT-08b-UpperBounds-14
FORMULA_NAME DLCround-PT-08b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779627848038

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCround-PT-08b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 13:04:09] [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 13:04:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:04:09] [INFO ] Load time of PNML (sax parser for PT used): 193 ms
[2026-05-24 13:04:09] [INFO ] Transformed 3088 places.
[2026-05-24 13:04:09] [INFO ] Transformed 4732 transitions.
[2026-05-24 13:04:09] [INFO ] Found NUPN structural information;
[2026-05-24 13:04:09] [INFO ] Parsed PT model containing 3088 places and 4732 transitions and 13004 arcs in 365 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 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 4732 rows 3088 cols
[2026-05-24 13:04:10] [INFO ] Computed 157 invariants in 64 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 96 ms. (103 steps per ms)
FORMULA DLCround-PT-08b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DLCround-PT-08b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-24 13:04:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:04:11] [INFO ] [Real]Absence check using 157 positive place invariants in 305 ms returned sat
[2026-05-24 13:04:12] [INFO ] [Real]Absence check using state equation in 1446 ms returned sat
[2026-05-24 13:04:13] [INFO ] Computed and/alt/rep : 4436/8589/4436 causal constraints (skipped 295 transitions) in 254 ms.
[2026-05-24 13:04:14] [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 13:04:14] [INFO ] [Nat]Absence check using 157 positive place invariants in 293 ms returned sat
[2026-05-24 13:04:16] [INFO ] [Nat]Absence check using state equation in 1556 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:04:17] [INFO ] Deduced a trap composed of 133 places in 686 ms of which 186 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:04:17] [INFO ] Deduced a trap composed of 230 places in 566 ms of which 112 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 13:04:18] [INFO ] Deduced a trap composed of 244 places in 406 ms of which 18 ms to minimize.
[2026-05-24 13:04:18] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2296 ms
[2026-05-24 13:04:18] [INFO ] Computed and/alt/rep : 4436/8589/4436 causal constraints (skipped 295 transitions) in 253 ms.
[2026-05-24 13:04:19] [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 0
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] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 3088 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p401) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 3088/3088 places, 4731/4731 transitions.
Graph (trivial) has 2882 edges and 3088 vertex of which 568 / 3088 are part of one of the 40 SCC in 11 ms
Free SCC test removed 528 places
Drop transitions (Empty/Sink Transition effects.) removed 590 transitions
Reduce isomorphic transitions removed 590 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1123 transitions
Trivial Post-agglo rules discarded 1123 transitions
Performed 1123 trivial Post agglomeration. Transition count delta: 1123
Iterating post reduction 0 with 1124 rules applied. Total rules applied 1125 place count 2559 transition count 3017
Reduce places removed 1123 places and 0 transitions.
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 29 transitions
Trivial Post-agglo rules discarded 29 transitions
Performed 29 trivial Post agglomeration. Transition count delta: 29
Iterating post reduction 1 with 1190 rules applied. Total rules applied 2315 place count 1436 transition count 2950
Reduce places removed 29 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 35 rules applied. Total rules applied 2350 place count 1407 transition count 2944
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 2353 place count 1404 transition count 2944
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 5 Pre rules applied. Total rules applied 2353 place count 1404 transition count 2939
Deduced a syphon composed of 5 places in 11 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 2363 place count 1399 transition count 2939
Discarding 401 places :
Symmetric choice reduction at 4 with 401 rule applications. Total rules 2764 place count 998 transition count 2538
Iterating global reduction 4 with 401 rules applied. Total rules applied 3165 place count 998 transition count 2538
Performed 174 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 174 Pre rules applied. Total rules applied 3165 place count 998 transition count 2364
Deduced a syphon composed of 174 places in 23 ms
Reduce places removed 174 places and 0 transitions.
Iterating global reduction 4 with 348 rules applied. Total rules applied 3513 place count 824 transition count 2364
Discarding 71 places :
Symmetric choice reduction at 4 with 71 rule applications. Total rules 3584 place count 753 transition count 1536
Iterating global reduction 4 with 71 rules applied. Total rules applied 3655 place count 753 transition count 1536
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 4 with 26 rules applied. Total rules applied 3681 place count 753 transition count 1510
Performed 200 Post agglomeration using F-continuation condition with reduction of 9 identical transitions.
Deduced a syphon composed of 200 places in 1 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 5 with 400 rules applied. Total rules applied 4081 place count 553 transition count 1301
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 4090 place count 553 transition count 1292
Renaming transitions due to excessive name length > 1024 char.
Performed 40 Post agglomeration using F-continuation condition.Transition count delta: -379
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 6 with 80 rules applied. Total rules applied 4170 place count 513 transition count 1671
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 6 with 17 rules applied. Total rules applied 4187 place count 513 transition count 1654
Discarding 22 places :
Symmetric choice reduction at 7 with 22 rule applications. Total rules 4209 place count 491 transition count 1145
Iterating global reduction 7 with 22 rules applied. Total rules applied 4231 place count 491 transition count 1145
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 7 with 22 rules applied. Total rules applied 4253 place count 491 transition count 1123
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 8 with 8 rules applied. Total rules applied 4261 place count 487 transition count 1152
Drop transitions (Redundant composition of simpler transitions.) removed 137 transitions
Redundant transition composition rules discarded 137 transitions
Iterating global reduction 8 with 137 rules applied. Total rules applied 4398 place count 487 transition count 1015
Discarding 9 places :
Symmetric choice reduction at 8 with 9 rule applications. Total rules 4407 place count 478 transition count 906
Iterating global reduction 8 with 9 rules applied. Total rules applied 4416 place count 478 transition count 906
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 8 with 9 rules applied. Total rules applied 4425 place count 478 transition count 897
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 9 with 8 rules applied. Total rules applied 4433 place count 474 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 9 with 4 rules applied. Total rules applied 4437 place count 474 transition count 920
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 10 with 19 rules applied. Total rules applied 4456 place count 474 transition count 901
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 10 with 6 rules applied. Total rules applied 4462 place count 471 transition count 924
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 4467 place count 471 transition count 919
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 11 with 18 rules applied. Total rules applied 4485 place count 471 transition count 901
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 11 with 6 rules applied. Total rules applied 4491 place count 468 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 11 with 4 rules applied. Total rules applied 4495 place count 468 transition count 920
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 12 with 19 rules applied. Total rules applied 4514 place count 468 transition count 901
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 12 with 6 rules applied. Total rules applied 4520 place count 465 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 12 with 4 rules applied. Total rules applied 4524 place count 465 transition count 920
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 13 with 14 rules applied. Total rules applied 4538 place count 465 transition count 906
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 13 with 4 rules applied. Total rules applied 4542 place count 463 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 4545 place count 463 transition count 921
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 14 with 15 rules applied. Total rules applied 4560 place count 463 transition count 906
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 14 with 4 rules applied. Total rules applied 4564 place count 461 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 14 with 3 rules applied. Total rules applied 4567 place count 461 transition count 921
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 15 with 15 rules applied. Total rules applied 4582 place count 461 transition count 906
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 15 with 4 rules applied. Total rules applied 4586 place count 459 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 15 with 3 rules applied. Total rules applied 4589 place count 459 transition count 921
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 16 with 15 rules applied. Total rules applied 4604 place count 459 transition count 906
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 16 with 4 rules applied. Total rules applied 4608 place count 457 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 4610 place count 457 transition count 922
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 17 with 9 rules applied. Total rules applied 4619 place count 457 transition count 913
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 17 with 2 rules applied. Total rules applied 4621 place count 456 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 4622 place count 456 transition count 923
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 18 with 10 rules applied. Total rules applied 4632 place count 456 transition count 913
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 18 with 2 rules applied. Total rules applied 4634 place count 455 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 2 rules applied. Total rules applied 4636 place count 455 transition count 922
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 19 with 9 rules applied. Total rules applied 4645 place count 455 transition count 913
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 19 with 2 rules applied. Total rules applied 4647 place count 454 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 4648 place count 454 transition count 923
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 20 with 10 rules applied. Total rules applied 4658 place count 454 transition count 913
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 20 with 2 rules applied. Total rules applied 4660 place count 453 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 20 with 2 rules applied. Total rules applied 4662 place count 453 transition count 922
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 21 with 9 rules applied. Total rules applied 4671 place count 453 transition count 913
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 21 with 2 rules applied. Total rules applied 4673 place count 452 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 21 with 1 rules applied. Total rules applied 4674 place count 452 transition count 923
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 22 with 10 rules applied. Total rules applied 4684 place count 452 transition count 913
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 22 with 2 rules applied. Total rules applied 4686 place count 451 transition count 924
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 22 with 2 rules applied. Total rules applied 4688 place count 451 transition count 922
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 23 with 9 rules applied. Total rules applied 4697 place count 451 transition count 913
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 23 with 2 rules applied. Total rules applied 4699 place count 450 transition count 924
Free-agglomeration rule applied 254 times with reduction of 127 identical transitions.
Iterating global reduction 23 with 254 rules applied. Total rules applied 4953 place count 450 transition count 543
Reduce places removed 254 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 324 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 328 transitions.
Graph (complete) has 397 edges and 196 vertex of which 35 are kept as prefixes of interest. Removing 161 places using SCC suffix rule.0 ms
Discarding 161 places :
Also discarding 114 output transitions
Drop transitions (Output transitions of discarded places.) removed 114 transitions
Iterating post reduction 23 with 583 rules applied. Total rules applied 5536 place count 35 transition count 101
Drop transitions (Empty/Sink Transition effects.) removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 24 with 24 rules applied. Total rules applied 5560 place count 35 transition count 77
Discarding 8 places :
Symmetric choice reduction at 25 with 8 rule applications. Total rules 5568 place count 27 transition count 65
Iterating global reduction 25 with 8 rules applied. Total rules applied 5576 place count 27 transition count 65
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 25 with 16 rules applied. Total rules applied 5592 place count 27 transition count 49
Applied a total of 5592 rules in 1210 ms. Remains 27 /3088 variables (removed 3061) and now considering 49/4731 (removed 4682) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1217 ms. Remains : 27/3088 places, 49/4731 transitions.
[2026-05-24 13:04:20] [INFO ] Flow matrix only has 33 transitions (discarded 16 similar events)
// Phase 1: matrix 33 rows 27 cols
[2026-05-24 13:04:20] [INFO ] Computed 15 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (35234 resets) in 1357 ms. (736 steps per ms)
FORMULA DLCround-PT-08b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (7718 resets) in 373 ms. (2673 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 13:04:22] [INFO ] Flatten gal took : 24 ms
[2026-05-24 13:04:22] [INFO ] Flatten gal took : 8 ms
[2026-05-24 13:04:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11619403877264379631.gal : 5 ms
[2026-05-24 13:04:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9225357787983000606.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/ReachabilityCardinality11619403877264379631.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9225357787983000606.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

ITS tools runner thread asked to quit. Dying gracefully.
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 12851 ms.

BK_STOP 1779627862269

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.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="DLCround-PT-08b"
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 DLCround-PT-08b, 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-177955700900075"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-08b.tgz
mv DLCround-PT-08b 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 ;