fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r008-oct2-177944369700113
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Anderson-PT-08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
3721.027 152088.00 535939.00 94.60 F normal

Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r008-oct2-177944369700113.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Anderson-PT-08, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369700113
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.1K Mar 4 18:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 4 18:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 4 18:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 4 18:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 07:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 07:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Mar 4 18:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 4 18:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 4 18:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 4 18:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 667K 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779653953585

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Anderson-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 20:19:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 20:19:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:19:15] [INFO ] Load time of PNML (sax parser for PT used): 119 ms
[2026-05-24 20:19:15] [INFO ] Transformed 401 places.
[2026-05-24 20:19:15] [INFO ] Transformed 1328 transitions.
[2026-05-24 20:19:15] [INFO ] Found NUPN structural information;
[2026-05-24 20:19:15] [INFO ] Parsed PT model containing 401 places and 1328 transitions and 5088 arcs in 264 ms.
[2026-05-24 20:19:16] [INFO ] Flatten gal took : 336 ms
RANDOM walk for 40000 steps (8 resets) in 2994 ms. (13 steps per ms) remains 41/401 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 41/41 properties
[2026-05-24 20:19:16] [INFO ] Flatten gal took : 155 ms
BEST_FIRST walk for 4004 steps (8 resets) in 123 ms. (32 steps per ms) remains 41/41 properties
[2026-05-24 20:19:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17525885475584698137.gal : 50 ms
BEST_FIRST walk for 4003 steps (8 resets) in 89 ms. (44 steps per ms) remains 41/41 properties
[2026-05-24 20:19:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15672900498237052693.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17525885475584698137.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15672900498237052693.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4002 steps (8 resets) in 97 ms. (40 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4003 steps (8 resets) in 108 ms. (36 steps per ms) remains 41/41 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 4003 steps (8 resets) in 50 ms. (78 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4001 steps (8 resets) in 47 ms. (83 steps per ms) remains 41/41 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 40/41 properties
BEST_FIRST walk for 4001 steps (8 resets) in 16 ms. (235 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4001 steps (8 resets) in 26 ms. (148 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 40/40 properties
Loading property file /tmp/ReachabilityCardinality15672900498237052693.prop.
BEST_FIRST walk for 4002 steps (8 resets) in 23 ms. (166 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (8 resets) in 38 ms. (102 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (8 resets) in 44 ms. (88 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (8 resets) in 63 ms. (62 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 40/40 properties
SDD proceeding with computation,41 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,41 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,41 properties remain. new max is 16
BEST_FIRST walk for 4001 steps (8 resets) in 40 ms. (97 steps per ms) remains 35/40 properties
SDD size :8 after 11
SDD proceeding with computation,41 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,41 properties remain. new max is 64
SDD size :12 after 19
BEST_FIRST walk for 4002 steps (8 resets) in 25 ms. (153 steps per ms) remains 35/35 properties
SDD proceeding with computation,41 properties remain. new max is 128
SDD size :19 after 55
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 35/35 properties
SDD proceeding with computation,41 properties remain. new max is 256
SDD size :55 after 76
BEST_FIRST walk for 4002 steps (8 resets) in 28 ms. (138 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 35/35 properties
SDD proceeding with computation,41 properties remain. new max is 512
SDD size :76 after 391
BEST_FIRST walk for 4002 steps (8 resets) in 16 ms. (235 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4002 steps (8 resets) in 29 ms. (133 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4001 steps (8 resets) in 23 ms. (166 steps per ms) remains 35/35 properties
SDD proceeding with computation,41 properties remain. new max is 1024
SDD size :391 after 841
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4001 steps (8 resets) in 27 ms. (142 steps per ms) remains 35/35 properties
BEST_FIRST walk for 4002 steps (8 resets) in 30 ms. (129 steps per ms) remains 35/35 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-39926509470820409.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-498970953811637713.kers'
[2026-05-24 20:19:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-39926509470820409.kers, --Pflows, --basisKERS=/tmp/petrispot-output-498970953811637713.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1328 rows 401 cols 4960 entries
Finished phase 1 with 232 SingleSign rule and 150 generalized
[2026-05-24 20:19:17] [INFO ] Computed 19 invariants in 5 ms
Computed 19 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-498970953811637713.kers
Total runtime 6 ms.
[2026-05-24 20:19:17] [INFO ] State equation strengthened by 56 read => feed constraints.
SDD proceeding with computation,41 properties remain. new max is 2048
SDD size :841 after 4198
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/35 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 2 (OVERLAPS) 300/335 variables, 7/42 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/335 variables, 300/342 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/335 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 5 (OVERLAPS) 9/344 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/344 variables, 9/352 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/344 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 8 (OVERLAPS) 56/400 variables, 10/362 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/400 variables, 56/418 constraints. Problems are: Problem set: 0 solved, 35 unsolved
SDD proceeding with computation,41 properties remain. new max is 4096
SDD size :4198 after 28393
At refinement iteration 10 (INCLUDED_ONLY) 0/400 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 11 (OVERLAPS) 1/401 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/401 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/401 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 14 (OVERLAPS) 1328/1729 variables, 401/821 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1729 variables, 56/877 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1729 variables, 0/877 constraints. Problems are: Problem set: 0 solved, 35 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1729/1729 variables, and 877 constraints, problems are : Problem set: 0 solved, 35 unsolved in 5061 ms.
Refiners :[Domain max(s): 401/401 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 401/401 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 35/35 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 35 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 35 unsolved
SDD proceeding with computation,41 properties remain. new max is 8192
SDD size :28393 after 188444
At refinement iteration 1 (INCLUDED_ONLY) 0/35 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 2 (OVERLAPS) 300/335 variables, 7/42 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/335 variables, 300/342 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/335 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 5 (OVERLAPS) 9/344 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/344 variables, 9/352 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/344 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 8 (OVERLAPS) 56/400 variables, 10/362 constraints. Problems are: Problem set: 0 solved, 35 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/400 variables, 56/418 constraints. Problems are: Problem set: 0 solved, 35 unsolved
SMT process timed out in 10435ms, After SMT, problems are : Problem set: 0 solved, 35 unsolved
Fused 35 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 35 out of 401 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 401/401 places, 1328/1328 transitions.
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 23 Pre rules applied. Total rules applied 0 place count 401 transition count 1305
Deduced a syphon composed of 23 places in 18 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 0 with 46 rules applied. Total rules applied 46 place count 378 transition count 1305
Discarding 79 places :
Symmetric choice reduction at 0 with 79 rule applications. Total rules 125 place count 299 transition count 442
Iterating global reduction 0 with 79 rules applied. Total rules applied 204 place count 299 transition count 442
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 1 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 0 with 66 rules applied. Total rules applied 270 place count 266 transition count 409
Applied a total of 270 rules in 191 ms. Remains 266 /401 variables (removed 135) and now considering 409/1328 (removed 919) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 202 ms. Remains : 266/401 places, 409/1328 transitions.
RANDOM walk for 4000000 steps (8 resets) in 26681 ms. (149 steps per ms) remains 16/35 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1146 ms. (348 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1309 ms. (305 steps per ms) remains 15/16 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1351 ms. (295 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1369 ms. (291 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1190 ms. (335 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1280 ms. (312 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1226 ms. (326 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1391 ms. (287 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1741 ms. (229 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1099 ms. (363 steps per ms) remains 14/15 properties
SDD proceeding with computation,41 properties remain. new max is 16384
SDD size :188444 after 5.94293e+06
BEST_FIRST walk for 400004 steps (8 resets) in 1245 ms. (321 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1122 ms. (356 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1395 ms. (286 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1105 ms. (361 steps per ms) remains 14/14 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5437686340277518913.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10586805847131328496.kers'
[2026-05-24 20:19:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5437686340277518913.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10586805847131328496.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 409 rows 266 cols 1442 entries
Finished phase 1 with 97 SingleSign rule and 150 generalized
[2026-05-24 20:19:42] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10586805847131328496.kers
Total runtime 4 ms.
[2026-05-24 20:19:42] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 233/247 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/247 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 9/256 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 10/266 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/266 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 409/675 variables, 266/285 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/675 variables, 56/341 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/675 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (OVERLAPS) 0/675 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 675/675 variables, and 341 constraints, problems are : Problem set: 0 solved, 14 unsolved in 1255 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 266/266 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 233/247 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/247 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 9/256 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/256 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 10/266 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/266 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/266 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 409/675 variables, 266/287 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/675 variables, 56/343 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/675 variables, 14/357 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,41 properties remain. new max is 32768
SDD size :5.94293e+06 after 6.63089e+06
At refinement iteration 11 (INCLUDED_ONLY) 0/675 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (OVERLAPS) 0/675 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 675/675 variables, and 357 constraints, problems are : Problem set: 0 solved, 14 unsolved in 4171 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 266/266 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5470ms problems are : Problem set: 0 solved, 14 unsolved
Parikh walk visited 0 properties in 1492 ms.
Support contains 14 out of 266 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 266/266 places, 409/409 transitions.
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 38 place count 247 transition count 390
Applied a total of 38 rules in 27 ms. Remains 247 /266 variables (removed 19) and now considering 390/409 (removed 19) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 247/266 places, 390/409 transitions.
RANDOM walk for 4000000 steps (8 resets) in 20521 ms. (194 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 11292 ms. (354 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 10697 ms. (373 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 10410 ms. (384 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 11578 ms. (345 steps per ms) remains 11/13 properties
BEST_FIRST walk for 3977494 steps (8 resets) in 12564 ms. (316 steps per ms) remains 9/11 properties
BEST_FIRST walk for 4000000 steps (8 resets) in 8404 ms. (475 steps per ms) remains 9/9 properties
SDD proceeding with computation,41 properties remain. new max is 65536
SDD size :6.63089e+06 after 1.17824e+07
BEST_FIRST walk for 4000002 steps (8 resets) in 11859 ms. (337 steps per ms) remains 8/9 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 7769 ms. (514 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 8199 ms. (487 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 10021 ms. (399 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 7482 ms. (534 steps per ms) remains 7/8 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5993391748323461744.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17680784510712180520.kers'
[2026-05-24 20:20:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5993391748323461744.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17680784510712180520.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 390 rows 247 cols 1404 entries
Finished phase 1 with 78 SingleSign rule and 150 generalized
[2026-05-24 20:20:34] [INFO ] Computed 19 invariants in 1 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17680784510712180520.kers
Total runtime 2 ms.
[2026-05-24 20:20:34] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 133/140 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/140 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 11/151 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 54/205 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 41/246 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 1/247 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 390/637 variables, 247/266 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/637 variables, 56/322 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/637 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (OVERLAPS) 0/637 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 637/637 variables, and 322 constraints, problems are : Problem set: 0 solved, 7 unsolved in 477 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 247/247 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 133/140 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/140 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 11/151 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 54/205 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/205 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 41/246 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 1/247 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 390/637 variables, 247/266 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/637 variables, 56/322 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/637 variables, 7/329 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/637 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 0/637 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 637/637 variables, and 329 constraints, problems are : Problem set: 0 solved, 7 unsolved in 1871 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 247/247 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2364ms problems are : Problem set: 0 solved, 7 unsolved
Parikh walk visited 0 properties in 482 ms.
Support contains 7 out of 247 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 247/247 places, 390/390 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 240 transition count 383
Applied a total of 14 rules in 24 ms. Remains 240 /247 variables (removed 7) and now considering 383/390 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 240/247 places, 383/390 transitions.
RANDOM walk for 4000000 steps (8 resets) in 16191 ms. (247 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 7283 ms. (549 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 8288 ms. (482 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 6967 ms. (574 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 7095 ms. (563 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000000 steps (8 resets) in 6845 ms. (584 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 7046 ms. (567 steps per ms) remains 6/6 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15979299955513661366.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17598915660680435141.kers'
[2026-05-24 20:20:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15979299955513661366.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17598915660680435141.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 383 rows 240 cols 1390 entries
Finished phase 1 with 71 SingleSign rule and 150 generalized
[2026-05-24 20:20:56] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17598915660680435141.kers
Total runtime 2 ms.
[2026-05-24 20:20:56] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 104/110 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/122 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 76/198 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 41/239 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 1/240 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/240 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 383/623 variables, 240/259 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/623 variables, 56/315 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/623 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 0/623 variables, 0/315 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 623/623 variables, and 315 constraints, problems are : Problem set: 0 solved, 6 unsolved in 437 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 240/240 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 104/110 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 12/122 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 76/198 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 41/239 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 1/240 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/240 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 383/623 variables, 240/259 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/623 variables, 56/315 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/623 variables, 6/321 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/623 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 0/623 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 623/623 variables, and 321 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1816 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 240/240 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2279ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 1117 ms.
Support contains 6 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 383/383 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 239 transition count 382
Applied a total of 2 rules in 33 ms. Remains 239 /240 variables (removed 1) and now considering 382/383 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 239/240 places, 382/383 transitions.
RANDOM walk for 4000000 steps (8 resets) in 14036 ms. (284 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 7066 ms. (566 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 7346 ms. (544 steps per ms) remains 5/6 properties
SDD proceeding with computation,41 properties remain. new max is 131072
SDD size :1.17824e+07 after 1.82384e+07
BEST_FIRST walk for 4000002 steps (8 resets) in 6959 ms. (574 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 6489 ms. (616 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 7970 ms. (501 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13122826805807795266.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1664675756256213184.kers'
[2026-05-24 20:21:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13122826805807795266.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1664675756256213184.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 382 rows 239 cols 1388 entries
Finished phase 1 with 70 SingleSign rule and 150 generalized
[2026-05-24 20:21:14] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1664675756256213184.kers
Total runtime 3 ms.
[2026-05-24 20:21:14] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 104/109 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 12/121 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 75/196 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 42/238 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 1/239 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 382/621 variables, 239/258 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/621 variables, 56/314 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/621 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 0/621 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 621/621 variables, and 314 constraints, problems are : Problem set: 0 solved, 5 unsolved in 461 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 239/239 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 104/109 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 12/121 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 75/196 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 42/238 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 1/239 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 382/621 variables, 239/258 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/621 variables, 56/314 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/621 variables, 5/319 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/621 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 0/621 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 621/621 variables, and 319 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1449 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 239/239 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1923ms problems are : Problem set: 0 solved, 5 unsolved
Parikh walk visited 0 properties in 347 ms.
Support contains 5 out of 239 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 239/239 places, 382/382 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 238 transition count 381
Applied a total of 2 rules in 17 ms. Remains 238 /239 variables (removed 1) and now considering 381/382 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 238/239 places, 381/382 transitions.
RANDOM walk for 4000000 steps (8 resets) in 13487 ms. (296 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 7218 ms. (554 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 6796 ms. (588 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 6900 ms. (579 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000000 steps (8 resets) in 6981 ms. (572 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 6677 ms. (598 steps per ms) remains 4/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15545416745127994532.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7416577824534188416.kers'
[2026-05-24 20:21:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15545416745127994532.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7416577824534188416.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 381 rows 238 cols 1386 entries
Finished phase 1 with 69 SingleSign rule and 150 generalized
[2026-05-24 20:21:30] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7416577824534188416.kers
Total runtime 2 ms.
[2026-05-24 20:21:30] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 104/108 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 75/195 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 42/237 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 1/238 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 381/619 variables, 238/257 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/619 variables, 56/313 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/619 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/619 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 619/619 variables, and 313 constraints, problems are : Problem set: 0 solved, 4 unsolved in 514 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 238/238 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 104/108 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/108 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/120 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/120 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 75/195 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 42/237 variables, 10/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 1/238 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/238 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 381/619 variables, 238/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/619 variables, 56/314 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/619 variables, 4/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/619 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 0/619 variables, 0/318 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 619/619 variables, and 318 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1361 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 238/238 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1891ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 341 ms.
Support contains 4 out of 238 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 238/238 places, 381/381 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 237 transition count 380
Applied a total of 2 rules in 14 ms. Remains 237 /238 variables (removed 1) and now considering 380/381 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 237/238 places, 380/381 transitions.
RANDOM walk for 4000000 steps (8 resets) in 12431 ms. (321 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 6524 ms. (613 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 7306 ms. (547 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 6271 ms. (637 steps per ms) remains 4/4 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 6272 ms. (637 steps per ms) remains 4/4 properties
Finished probabilistic random walk after 107547 steps, run visited all 4 properties in 763 ms. (steps per millisecond=140 )
Probabilistic random walk after 107547 steps, saw 65546 distinct states, run finished after 768 ms. (steps per millisecond=140 ) properties seen :4
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 401 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 150203 ms.

BK_STOP 1779654105673

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="Anderson-PT-08"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 Anderson-PT-08, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r008-oct2-177944369700113"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-08.tgz
mv Anderson-PT-08 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;