fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r050-smll-177946901000046
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Champagne-PT-H05T2O

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
525.384 15163.00 43334.00 148.20 TFFTFTFFTFTTFTTT normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r050-smll-177946901000046.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Champagne-PT-H05T2O, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r050-smll-177946901000046
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 7.7K Mar 6 10:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 6 10:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 10:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 10:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 10:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 6 10:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 10:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 10:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:58 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 149K 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 booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-00
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-01
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-02
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-03
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-04
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-05
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-06
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-07
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-08
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-09
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-10
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-11
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-12
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-13
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-14
FORMULA_NAME Champagne-PT-H05T2O-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779489783906

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Champagne-PT-H05T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 22:43:06] [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]
[2026-05-22 22:43:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:43:06] [INFO ] Load time of PNML (sax parser for PT used): 148 ms
[2026-05-22 22:43:06] [INFO ] Transformed 569 places.
[2026-05-22 22:43:06] [INFO ] Transformed 686 transitions.
[2026-05-22 22:43:06] [INFO ] Found NUPN structural information;
[2026-05-22 22:43:06] [INFO ] Parsed PT model containing 569 places and 686 transitions and 1566 arcs in 327 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 33 ms.
Working with output stream class java.io.PrintStream
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (105 resets) in 2298 ms. (17 steps per ms) remains 5/13 properties
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (13 resets) in 736 ms. (54 steps per ms) remains 5/5 properties
[2026-05-22 22:43:07] [INFO ] Flatten gal took : 275 ms
BEST_FIRST walk for 40004 steps (12 resets) in 398 ms. (100 steps per ms) remains 5/5 properties
[2026-05-22 22:43:07] [INFO ] Flatten gal took : 111 ms
BEST_FIRST walk for 40004 steps (9 resets) in 204 ms. (195 steps per ms) remains 5/5 properties
[2026-05-22 22:43:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16245784420922610756.gal : 79 ms
[2026-05-22 22:43:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9258622419965048106.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16245784420922610756.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9258622419965048106.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

BEST_FIRST walk for 40003 steps (14 resets) in 641 ms. (62 steps per ms) remains 5/5 properties
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9258622419965048106.prop.
BEST_FIRST walk for 40003 steps (13 resets) in 1019 ms. (39 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :5 after 12
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :12 after 20
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :20 after 22
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :22 after 33
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :33 after 845
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-562569992199765588.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12747915630884474736.kers'
[2026-05-22 22:43:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-562569992199765588.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12747915630884474736.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 686 rows 569 cols 1566 entries
Finished phase 1 with 554 SingleSign rule and 0 generalized
[2026-05-22 22:43:08] [INFO ] Computed 15 invariants in 5 ms
Computed 15 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-12747915630884474736.kers
Total runtime 7 ms.
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :845 after 537220
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 93/93 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem Champagne-PT-H05T2O-ReachabilityCardinality-2024-04 is UNSAT
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 476/569 variables, 15/108 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/569 variables, 476/584 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/569 variables, 0/584 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 686/1255 variables, 569/1153 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1255 variables, 0/1153 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/1255 variables, 0/1153 constraints. Problems are: Problem set: 1 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1255/1255 variables, and 1153 constraints, problems are : Problem set: 1 solved, 4 unsolved in 1566 ms.
Refiners :[Domain max(s): 569/569 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 569/569 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 76/76 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/76 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Problem Champagne-PT-H05T2O-ReachabilityCardinality-2024-05 is UNSAT
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem Champagne-PT-H05T2O-ReachabilityCardinality-2024-14 is UNSAT
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 493/569 variables, 15/91 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/569 variables, 493/584 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/569 variables, 4/588 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/569 variables, 0/588 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 686/1255 variables, 569/1157 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1255 variables, 2/1159 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1255 variables, 0/1159 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/1255 variables, 0/1159 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1255/1255 variables, and 1159 constraints, problems are : Problem set: 3 solved, 2 unsolved in 3563 ms.
Refiners :[Domain max(s): 569/569 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 569/569 constraints, PredecessorRefiner: 2/5 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5348ms problems are : Problem set: 3 solved, 2 unsolved
Parikh walk visited 0 properties in 485 ms.
Support contains 33 out of 569 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 569/569 places, 686/686 transitions.
Graph (trivial) has 523 edges and 569 vertex of which 186 / 569 are part of one of the 15 SCC in 9 ms
Free SCC test removed 171 places
Drop transitions (Empty/Sink Transition effects.) removed 196 transitions
Reduce isomorphic transitions removed 196 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 162 transitions
Trivial Post-agglo rules discarded 162 transitions
Performed 162 trivial Post agglomeration. Transition count delta: 162
Iterating post reduction 0 with 162 rules applied. Total rules applied 163 place count 398 transition count 328
Reduce places removed 162 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 1 with 178 rules applied. Total rules applied 341 place count 236 transition count 312
Reduce places removed 8 places and 0 transitions.
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Iterating post reduction 2 with 25 rules applied. Total rules applied 366 place count 228 transition count 295
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 3 with 17 rules applied. Total rules applied 383 place count 211 transition count 295
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 15 Pre rules applied. Total rules applied 383 place count 211 transition count 280
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 413 place count 196 transition count 280
Discarding 36 places :
Symmetric choice reduction at 4 with 36 rule applications. Total rules 449 place count 160 transition count 244
Iterating global reduction 4 with 36 rules applied. Total rules applied 485 place count 160 transition count 244
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 487 place count 160 transition count 242
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 5 Pre rules applied. Total rules applied 487 place count 160 transition count 237
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 497 place count 155 transition count 237
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 500 place count 152 transition count 225
Iterating global reduction 5 with 3 rules applied. Total rules applied 503 place count 152 transition count 225
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 506 place count 152 transition count 222
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 34
Deduced a syphon composed of 34 places in 1 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 6 with 68 rules applied. Total rules applied 574 place count 118 transition count 188
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -47
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 6 with 18 rules applied. Total rules applied 592 place count 109 transition count 235
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 605 place count 109 transition count 222
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 7 with 6 rules applied. Total rules applied 611 place count 109 transition count 216
Free-agglomeration rule applied 27 times.
Iterating global reduction 7 with 27 rules applied. Total rules applied 638 place count 109 transition count 189
Reduce places removed 27 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 7 with 43 rules applied. Total rules applied 681 place count 82 transition count 173
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 8 with 5 rules applied. Total rules applied 686 place count 82 transition count 173
Applied a total of 686 rules in 182 ms. Remains 82 /569 variables (removed 487) and now considering 173/686 (removed 513) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 82/569 places, 173/686 transitions.
RANDOM walk for 40000 steps (8 resets) in 955 ms. (41 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/2 properties
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
[2026-05-22 22:43:14] [INFO ] Flow matrix only has 140 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4921136021605631923.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17244624115728845655.kers'
[2026-05-22 22:43:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4921136021605631923.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17244624115728845655.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 140 rows 80 cols 396 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-22 22:43:14] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17244624115728845655.kers
Total runtime 1 ms.
[2026-05-22 22:43:14] [INFO ] State equation strengthened by 22 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/77 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/82 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 140/222 variables, 82/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 22/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/222 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/222 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 82/82 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/77 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/77 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/77 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 5/82 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 140/222 variables, 82/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/222 variables, 22/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/222 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/222 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/222 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 222/222 variables, and 122 constraints, problems are : Problem set: 0 solved, 1 unsolved in 350 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 82/82 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 491ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 26 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 173/173 transitions.
Graph (trivial) has 27 edges and 82 vertex of which 8 / 82 are part of one of the 4 SCC in 0 ms
Free SCC test removed 4 places
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 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 0 with 3 rules applied. Total rules applied 4 place count 78 transition count 162
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 75 transition count 162
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 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 15 place count 71 transition count 158
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 26 place count 71 transition count 147
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 28 place count 70 transition count 155
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 3 with 15 rules applied. Total rules applied 43 place count 70 transition count 140
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 4 with 3 rules applied. Total rules applied 46 place count 70 transition count 137
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 49 place count 70 transition count 134
Reduce places removed 3 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 57 place count 67 transition count 129
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 58 place count 67 transition count 129
Applied a total of 58 rules in 28 ms. Remains 67 /82 variables (removed 15) and now considering 129/173 (removed 44) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 67/82 places, 129/173 transitions.
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :537220 after 1.36248e+07
RANDOM walk for 40000 steps (8 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1769511 steps, run timeout after 3001 ms. (steps per millisecond=589 ) properties seen :0 out of 1
Probabilistic random walk after 1769511 steps, saw 599924 distinct states, run finished after 3009 ms. (steps per millisecond=588 ) properties seen :0
[2026-05-22 22:43:18] [INFO ] Flow matrix only has 101 transitions (discarded 28 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11764310769426507027.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1944694305337409259.kers'
[2026-05-22 22:43:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11764310769426507027.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1944694305337409259.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 101 rows 64 cols 282 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-22 22:43:18] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-1944694305337409259.kers
Total runtime 3 ms.
[2026-05-22 22:43:18] [INFO ] State equation strengthened by 17 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/64 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 3/67 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 101/168 variables, 67/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/168 variables, 17/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/168 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/168 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 168/168 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 67/67 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 38/64 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 3/67 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 101/168 variables, 67/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/168 variables, 17/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/168 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/168 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/168 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 168/168 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 244 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 67/67 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 427ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 10 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=5 )
FORMULA Champagne-PT-H05T2O-ReachabilityCardinality-2024-15 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 7 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 12781 ms.

BK_STOP 1779489799069

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination 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="Champagne-PT-H05T2O"
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 2-5973"
echo " Executing tool itstools"
echo " Input is Champagne-PT-H05T2O, 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 r050-smll-177946901000046"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H05T2O.tgz
mv Champagne-PT-H05T2O 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 ;