fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r072-tall-174860066700030
Last Updated
June 24, 2025

About the Execution of ITS-Tools for DLCflexbar-PT-3b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 28474.00 0.00 0.00 TTFFFFFTFFFFTFFT normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860066700030.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is DLCflexbar-PT-3b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860066700030
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.0M
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 2.5M May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-00
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-01
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-02
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-03
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-04
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-05
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-06
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-07
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-08
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-09
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-10
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-11
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-12
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-13
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-14
FORMULA_NAME DLCflexbar-PT-3b-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748648183801

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCflexbar-PT-3b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-05-30 23:36:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 23:36:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 23:36:25] [INFO ] Load time of PNML (sax parser for PT used): 395 ms
[2025-05-30 23:36:25] [INFO ] Transformed 7245 places.
[2025-05-30 23:36:25] [INFO ] Transformed 10555 transitions.
[2025-05-30 23:36:25] [INFO ] Found NUPN structural information;
[2025-05-30 23:36:25] [INFO ] Parsed PT model containing 7245 places and 10555 transitions and 28284 arcs in 721 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 24 ms.
Working with output stream class java.io.PrintStream
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2581 ms. (15 steps per ms) remains 7/14 properties
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 23:36:28] [INFO ] Flatten gal took : 1656 ms
BEST_FIRST walk for 40004 steps (8 resets) in 458 ms. (87 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 497 ms. (80 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 248 ms. (160 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 7/7 properties
[2025-05-30 23:36:28] [INFO ] Flatten gal took : 517 ms
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 7/7 properties
[2025-05-30 23:36:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14583467739316070485.gal : 189 ms
// Phase 1: matrix 10555 rows 7245 cols
[2025-05-30 23:36:29] [INFO ] Computed 355 invariants in 100 ms
Excessive predecessor constraint size, skipping predecessor.
[2025-05-30 23:36:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16486318282745811388.prop : 2 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/ReachabilityCardinality14583467739316070485.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16486318282745811388.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Loading property file /tmp/ReachabilityCardinality16486318282745811388.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6070/17800 variables, and 428 constraints, problems are : Problem set: 0 solved, 7 unsolved in 10114 ms.
Refiners :[Domain max(s): 122/7245 constraints, Positive P Invariants (semi-flows): 306/355 constraints, State Equation: 0/7245 constraints, PredecessorRefiner: 7/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 122/122 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 5948/6070 variables, 306/428 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6070 variables, 5948/6376 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 6070/17800 variables, and 6376 constraints, problems are : Problem set: 0 solved, 7 unsolved in 5016 ms.
Refiners :[Domain max(s): 6070/7245 constraints, Positive P Invariants (semi-flows): 306/355 constraints, State Equation: 0/7245 constraints, PredecessorRefiner: 1/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15499ms problems are : Problem set: 0 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 122 out of 7245 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 7245/7245 places, 10555/10555 transitions.
Graph (trivial) has 6585 edges and 7245 vertex of which 647 / 7245 are part of one of the 47 SCC in 23 ms
Free SCC test removed 600 places
Drop transitions (Empty/Sink Transition effects.) removed 676 transitions
Reduce isomorphic transitions removed 676 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3248 transitions
Trivial Post-agglo rules discarded 3248 transitions
Performed 3248 trivial Post agglomeration. Transition count delta: 3248
Iterating post reduction 0 with 3248 rules applied. Total rules applied 3249 place count 6645 transition count 6631
Reduce places removed 3248 places and 0 transitions.
Ensure Unique test removed 98 transitions
Reduce isomorphic transitions removed 98 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 91 transitions
Trivial Post-agglo rules discarded 91 transitions
Performed 91 trivial Post agglomeration. Transition count delta: 91
Iterating post reduction 1 with 3437 rules applied. Total rules applied 6686 place count 3397 transition count 6442
Reduce places removed 91 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 2 with 139 rules applied. Total rules applied 6825 place count 3306 transition count 6394
Reduce places removed 23 places and 0 transitions.
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Iterating post reduction 3 with 87 rules applied. Total rules applied 6912 place count 3283 transition count 6330
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 67 rules applied. Total rules applied 6979 place count 3219 transition count 6327
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 6980 place count 3218 transition count 6327
Performed 67 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 67 Pre rules applied. Total rules applied 6980 place count 3218 transition count 6260
Deduced a syphon composed of 67 places in 46 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 6 with 134 rules applied. Total rules applied 7114 place count 3151 transition count 6260
Discarding 798 places :
Symmetric choice reduction at 6 with 798 rule applications. Total rules 7912 place count 2353 transition count 5462
Iterating global reduction 6 with 798 rules applied. Total rules applied 8710 place count 2353 transition count 5462
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 8711 place count 2353 transition count 5461
Performed 302 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 302 Pre rules applied. Total rules applied 8711 place count 2353 transition count 5159
Deduced a syphon composed of 302 places in 76 ms
Reduce places removed 302 places and 0 transitions.
Iterating global reduction 7 with 604 rules applied. Total rules applied 9315 place count 2051 transition count 5159
Discarding 71 places :
Symmetric choice reduction at 7 with 71 rule applications. Total rules 9386 place count 1980 transition count 3934
Iterating global reduction 7 with 71 rules applied. Total rules applied 9457 place count 1980 transition count 3934
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Iterating post reduction 7 with 48 rules applied. Total rules applied 9505 place count 1980 transition count 3886
Performed 492 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 492 places in 3 ms
Reduce places removed 492 places and 0 transitions.
Iterating global reduction 8 with 984 rules applied. Total rules applied 10489 place count 1488 transition count 3391
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 8 with 5 rules applied. Total rules applied 10494 place count 1488 transition count 3386
Renaming transitions due to excessive name length > 1024 char.
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 10495 place count 1487 transition count 3352
Iterating global reduction 9 with 1 rules applied. Total rules applied 10496 place count 1487 transition count 3352
Performed 101 Post agglomeration using F-continuation condition with reduction of 110 identical transitions.
Deduced a syphon composed of 101 places in 2 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 9 with 202 rules applied. Total rules applied 10698 place count 1386 transition count 3840
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 9 with 15 rules applied. Total rules applied 10713 place count 1386 transition count 3825
Discarding 26 places :
Symmetric choice reduction at 10 with 26 rule applications. Total rules 10739 place count 1360 transition count 3563
Iterating global reduction 10 with 26 rules applied. Total rules applied 10765 place count 1360 transition count 3563
Ensure Unique test removed 108 transitions
Reduce isomorphic transitions removed 108 transitions.
Iterating post reduction 10 with 108 rules applied. Total rules applied 10873 place count 1360 transition count 3455
Performed 58 Post agglomeration using F-continuation condition.Transition count delta: -453
Deduced a syphon composed of 58 places in 2 ms
Reduce places removed 58 places and 0 transitions.
Iterating global reduction 11 with 116 rules applied. Total rules applied 10989 place count 1302 transition count 3908
Drop transitions (Empty/Sink Transition effects.) removed 93 transitions
Reduce isomorphic transitions removed 93 transitions.
Iterating post reduction 11 with 93 rules applied. Total rules applied 11082 place count 1302 transition count 3815
Drop transitions (Redundant composition of simpler transitions.) removed 134 transitions
Redundant transition composition rules discarded 134 transitions
Iterating global reduction 12 with 134 rules applied. Total rules applied 11216 place count 1302 transition count 3681
Discarding 8 places :
Symmetric choice reduction at 12 with 8 rule applications. Total rules 11224 place count 1294 transition count 3673
Iterating global reduction 12 with 8 rules applied. Total rules applied 11232 place count 1294 transition count 3673
Discarding 8 places :
Symmetric choice reduction at 12 with 8 rule applications. Total rules 11240 place count 1286 transition count 3369
Iterating global reduction 12 with 8 rules applied. Total rules applied 11248 place count 1286 transition count 3369
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 12 with 8 rules applied. Total rules applied 11256 place count 1286 transition count 3361
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 13 with 12 rules applied. Total rules applied 11268 place count 1280 transition count 3355
Discarding 5 places :
Symmetric choice reduction at 13 with 5 rule applications. Total rules 11273 place count 1275 transition count 3162
Iterating global reduction 13 with 5 rules applied. Total rules applied 11278 place count 1275 transition count 3162
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 13 with 6 rules applied. Total rules applied 11284 place count 1275 transition count 3156
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -21
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 14 with 4 rules applied. Total rules applied 11288 place count 1273 transition count 3177
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 11292 place count 1273 transition count 3173
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 15 with 14 rules applied. Total rules applied 11306 place count 1273 transition count 3159
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 15 with 4 rules applied. Total rules applied 11310 place count 1271 transition count 3177
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 11313 place count 1271 transition count 3174
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 11328 place count 1271 transition count 3159
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -17
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 11332 place count 1269 transition count 3176
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 11334 place count 1269 transition count 3174
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 17 with 15 rules applied. Total rules applied 11349 place count 1269 transition count 3159
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 17 with 4 rules applied. Total rules applied 11353 place count 1267 transition count 3177
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 11355 place count 1267 transition count 3175
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 18 with 9 rules applied. Total rules applied 11364 place count 1267 transition count 3166
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 18 with 2 rules applied. Total rules applied 11366 place count 1266 transition count 3177
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 11367 place count 1266 transition count 3176
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 11376 place count 1266 transition count 3167
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 19 with 2 rules applied. Total rules applied 11378 place count 1265 transition count 3179
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 11379 place count 1265 transition count 3178
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 20 with 9 rules applied. Total rules applied 11388 place count 1265 transition count 3169
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 11390 place count 1264 transition count 3180
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 11392 place count 1264 transition count 3178
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 11401 place count 1264 transition count 3169
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 11403 place count 1263 transition count 3180
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 11404 place count 1263 transition count 3179
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 11414 place count 1263 transition count 3169
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 22 with 2 rules applied. Total rules applied 11416 place count 1262 transition count 3180
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 11418 place count 1262 transition count 3178
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 11427 place count 1262 transition count 3169
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 11429 place count 1261 transition count 3180
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 23 with 1 rules applied. Total rules applied 11430 place count 1261 transition count 3179
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 24 with 10 rules applied. Total rules applied 11440 place count 1261 transition count 3169
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 24 with 2 rules applied. Total rules applied 11442 place count 1260 transition count 3181
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 24 with 2 rules applied. Total rules applied 11444 place count 1260 transition count 3179
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 25 with 9 rules applied. Total rules applied 11453 place count 1260 transition count 3170
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 25 with 2 rules applied. Total rules applied 11455 place count 1259 transition count 3182
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 25 with 1 rules applied. Total rules applied 11456 place count 1259 transition count 3181
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 26 with 9 rules applied. Total rules applied 11465 place count 1259 transition count 3172
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 26 with 2 rules applied. Total rules applied 11467 place count 1258 transition count 3184
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 26 with 2 rules applied. Total rules applied 11469 place count 1258 transition count 3182
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 27 with 9 rules applied. Total rules applied 11478 place count 1258 transition count 3173
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 27 with 2 rules applied. Total rules applied 11480 place count 1257 transition count 3184
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 27 with 1 rules applied. Total rules applied 11481 place count 1257 transition count 3183
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 28 with 10 rules applied. Total rules applied 11491 place count 1257 transition count 3173
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 28 with 2 rules applied. Total rules applied 11493 place count 1256 transition count 3184
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 28 with 2 rules applied. Total rules applied 11495 place count 1256 transition count 3182
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 29 with 9 rules applied. Total rules applied 11504 place count 1256 transition count 3173
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 29 with 2 rules applied. Total rules applied 11506 place count 1255 transition count 3184
Free-agglomeration rule applied 566 times with reduction of 279 identical transitions.
Iterating global reduction 29 with 566 rules applied. Total rules applied 12072 place count 1255 transition count 2339
Reduce places removed 566 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 685 transitions
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 708 transitions.
Graph (complete) has 2072 edges and 689 vertex of which 675 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.2 ms
Discarding 14 places :
Also discarding 6 output transitions
Drop transitions (Output transitions of discarded places.) removed 6 transitions
Iterating post reduction 29 with 1275 rules applied. Total rules applied 13347 place count 675 transition count 1625
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 30 with 4 rules applied. Total rules applied 13351 place count 675 transition count 1621
Discarding 62 places :
Symmetric choice reduction at 31 with 62 rule applications. Total rules 13413 place count 613 transition count 1513
Iterating global reduction 31 with 62 rules applied. Total rules applied 13475 place count 613 transition count 1513
Drop transitions (Redundant composition of simpler transitions.) removed 159 transitions
Redundant transition composition rules discarded 159 transitions
Iterating global reduction 31 with 159 rules applied. Total rules applied 13634 place count 613 transition count 1354
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 31 with 1 rules applied. Total rules applied 13635 place count 612 transition count 1354
Discarding 15 places :
Symmetric choice reduction at 32 with 15 rule applications. Total rules 13650 place count 597 transition count 1334
Iterating global reduction 32 with 15 rules applied. Total rules applied 13665 place count 597 transition count 1334
Free-agglomeration rule applied 2 times.
Iterating global reduction 32 with 2 rules applied. Total rules applied 13667 place count 597 transition count 1332
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 32 with 2 rules applied. Total rules applied 13669 place count 595 transition count 1332
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 33 with 1 rules applied. Total rules applied 13670 place count 595 transition count 1331
Free-agglomeration rule applied 1 times.
Iterating global reduction 33 with 1 rules applied. Total rules applied 13671 place count 595 transition count 1330
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 33 with 1 rules applied. Total rules applied 13672 place count 594 transition count 1330
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 34 with 1 rules applied. Total rules applied 13673 place count 594 transition count 1367
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 34 with 29 rules applied. Total rules applied 13702 place count 593 transition count 1339
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 35 with 7 rules applied. Total rules applied 13709 place count 593 transition count 1332
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 35 with 4 rules applied. Total rules applied 13713 place count 593 transition count 1332
Applied a total of 13713 rules in 4592 ms. Remains 593 /7245 variables (removed 6652) and now considering 1332/10555 (removed 9223) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4598 ms. Remains : 593/7245 places, 1332/10555 transitions.
RANDOM walk for 40000 steps (8 resets) in 1344 ms. (29 steps per ms) remains 2/7 properties
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 1034 ms. (38 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 2/2 properties
[2025-05-30 23:36:49] [INFO ] Flow matrix only has 875 transitions (discarded 457 similar events)
// Phase 1: matrix 875 rows 593 cols
[2025-05-30 23:36:49] [INFO ] Computed 264 invariants in 11 ms
[2025-05-30 23:36:49] [INFO ] State equation strengthened by 295 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 225/284 variables, 96/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/284 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 308/592 variables, 168/264 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/592 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 875/1467 variables, 592/856 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1467 variables, 295/1151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1467 variables, 0/1151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1/1468 variables, 1/1152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1468 variables, 0/1152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/1468 variables, 0/1152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1468/1468 variables, and 1152 constraints, problems are : Problem set: 0 solved, 2 unsolved in 717 ms.
Refiners :[Positive P Invariants (semi-flows): 264/264 constraints, State Equation: 593/593 constraints, ReadFeed: 295/295 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 225/284 variables, 96/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/284 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 308/592 variables, 168/264 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:50] [INFO ] Deduced a trap composed of 25 places in 77 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/592 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/592 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 875/1467 variables, 592/857 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1467 variables, 295/1152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1467 variables, 1/1153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 23:36:51] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1467 variables, 1/1154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1467 variables, 0/1154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/1468 variables, 1/1155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1468 variables, 0/1155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/1468 variables, 0/1155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1468/1468 variables, and 1155 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1730 ms.
Refiners :[Positive P Invariants (semi-flows): 264/264 constraints, State Equation: 593/593 constraints, ReadFeed: 295/295 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2506ms problems are : Problem set: 0 solved, 2 unsolved
Finished Parikh walk after 88 steps, including 0 resets, run visited all 2 properties in 4 ms. (steps per millisecond=22 )
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-10 FALSE TECHNIQUES PARIKH_WALK
FORMULA DLCflexbar-PT-3b-ReachabilityCardinality-2025-04 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 2 properties in 10 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 27194 ms.

BK_STOP 1748648212275

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="DLCflexbar-PT-3b"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5832"
echo " Executing tool itstools"
echo " Input is DLCflexbar-PT-3b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r072-tall-174860066700030"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-3b.tgz
mv DLCflexbar-PT-3b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;