fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r231-smll-174903497500178
Last Updated
June 24, 2025

About the Execution of ITS-Tools for StigmergyElection-PT-09b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 429305.00 0.00 0.00 F normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r231-smll-174903497500178.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is StigmergyElection-PT-09b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r231-smll-174903497500178
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 38M
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 105K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 37M May 29 14:33 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 1749082488946

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=StigmergyElection-PT-09b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-06-05 00:14:51] [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]
[2025-06-05 00:14:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 00:14:54] [INFO ] Load time of PNML (sax parser for PT used): 2692 ms
[2025-06-05 00:14:54] [INFO ] Transformed 1243 places.
[2025-06-05 00:14:54] [INFO ] Transformed 41210 transitions.
[2025-06-05 00:14:54] [INFO ] Found NUPN structural information;
[2025-06-05 00:14:54] [INFO ] Parsed PT model containing 1243 places and 41210 transitions and 720585 arcs in 3209 ms.
Graph (trivial) has 1269 edges and 1243 vertex of which 189 / 1243 are part of one of the 27 SCC in 21 ms
Free SCC test removed 162 places
Structural test allowed to assert that 797 places are NOT stable. Took 219 ms.
Ensure Unique test removed 180 transitions
Reduce redundant transitions removed 180 transitions.
RANDOM walk for 40000 steps (258 resets) in 9773 ms. (4 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 20 ms. (19 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 32 ms. (12 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 34 ms. (11 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 28 ms. (13 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 28 ms. (13 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 42 ms. (9 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 29 ms. (13 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 23 ms. (16 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 394 ms. (1 steps per ms) remains 446/446 properties
BEST_FIRST walk for 401 steps (8 resets) in 55 ms. (7 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 49 ms. (8 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 44 ms. (8 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 42 ms. (9 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 26 ms. (14 steps per ms) remains 446/446 properties
BEST_FIRST walk for 402 steps (8 resets) in 32 ms. (12 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 37 ms. (10 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 38 ms. (10 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 31 ms. (12 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 26 ms. (14 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 26 ms. (14 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 34 ms. (11 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 24 ms. (16 steps per ms) remains 446/446 properties
BEST_FIRST walk for 402 steps (8 resets) in 44 ms. (8 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 34 ms. (11 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 32 ms. (12 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 31 ms. (12 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 53 ms. (7 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 35 ms. (11 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 24 ms. (16 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 21 ms. (18 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 22 ms. (17 steps per ms) remains 446/446 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 25 ms. (15 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 446/446 properties
BEST_FIRST walk for 402 steps (8 resets) in 20 ms. (19 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 35 ms. (11 steps per ms) remains 446/446 properties
BEST_FIRST walk for 401 steps (8 resets) in 30 ms. (12 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 27 ms. (14 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 33 ms. (11 steps per ms) remains 446/446 properties
BEST_FIRST walk for 401 steps (8 resets) in 47 ms. (8 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 26 ms. (14 steps per ms) remains 446/446 properties
BEST_FIRST walk for 403 steps (8 resets) in 38 ms. (10 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 40 ms. (9 steps per ms) remains 446/446 properties
BEST_FIRST walk for 404 steps (8 resets) in 24 ms. (16 steps per ms) remains 446/446 properties
BEST_FIRST walk for 402 steps (8 resets) in 25 ms. (15 steps per ms) remains 446/446 properties
BEST_FIRST walk for 402 steps (8 resets) in 26 ms. (14 steps per ms) remains 446/446 properties
[2025-06-05 00:15:04] [INFO ] Flatten gal took : 6181 ms
Interrupted probabilistic random walk after 20181 steps, run timeout after 9001 ms. (steps per millisecond=2 ) properties seen :77 out of 446
Probabilistic random walk after 20181 steps, saw 8467 distinct states, run finished after 9012 ms. (steps per millisecond=2 ) properties seen :77
[2025-06-05 00:15:08] [INFO ] Flow matrix only has 41004 transitions (discarded 26 similar events)
// Phase 1: matrix 41004 rows 1081 cols
[2025-06-05 00:15:09] [INFO ] Flatten gal took : 4378 ms
[2025-06-05 00:15:09] [INFO ] Computed 10 invariants in 1603 ms
[2025-06-05 00:15:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13809117201749475520.gal : 1101 ms
[2025-06-05 00:15:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11887980752062482038.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13809117201749475520.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11887980752062482038.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
[2025-06-05 00:15:10] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/369 variables, 369/369 constraints. Problems are: Problem set: 0 solved, 369 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 369/42085 variables, and 369 constraints, problems are : Problem set: 0 solved, 369 unsolved in 5298 ms.
Refiners :[Domain max(s): 369/1081 constraints, Positive P Invariants (semi-flows): 0/10 constraints, State Equation: 0/1081 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 369/325 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 369 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/369 variables, 369/369 constraints. Problems are: Problem set: 0 solved, 369 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 369/42085 variables, and 369 constraints, problems are : Problem set: 0 solved, 369 unsolved in 5025 ms.
Refiners :[Domain max(s): 369/1081 constraints, Positive P Invariants (semi-flows): 0/10 constraints, State Equation: 0/1081 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 44/325 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 16116ms problems are : Problem set: 0 solved, 369 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 369 out of 1081 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1081/1081 places, 41030/41030 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 533 transitions
Trivial Post-agglo rules discarded 533 transitions
Performed 533 trivial Post agglomeration. Transition count delta: 533
Iterating post reduction 0 with 560 rules applied. Total rules applied 560 place count 1081 transition count 40470
Reduce places removed 533 places and 0 transitions.
Iterating post reduction 1 with 533 rules applied. Total rules applied 1093 place count 548 transition count 40470
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 1093 place count 548 transition count 40452
Deduced a syphon composed of 18 places in 61 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 1129 place count 530 transition count 40452
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 1132 place count 527 transition count 40449
Iterating global reduction 2 with 3 rules applied. Total rules applied 1135 place count 527 transition count 40449
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 24 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 1175 place count 507 transition count 40429
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: -17
Deduced a syphon composed of 21 places in 21 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 1217 place count 486 transition count 40446
Free-agglomeration rule applied 70 times.
Iterating global reduction 2 with 70 rules applied. Total rules applied 1287 place count 486 transition count 40376
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 2 with 70 rules applied. Total rules applied 1357 place count 416 transition count 40376
Applied a total of 1357 rules in 31269 ms. Remains 416 /1081 variables (removed 665) and now considering 40376/41030 (removed 654) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31301 ms. Remains : 416/1081 places, 40376/41030 transitions.
Loading property file /tmp/ReachabilityCardinality11887980752062482038.prop.
RANDOM walk for 4438 steps (3 resets) in 120838 ms. (0 steps per ms) remains 74/369 properties
BEST_FIRST walk for 400004 steps (8 resets) in 11704 ms. (34 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10348 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10622 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10925 ms. (36 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10230 ms. (39 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10561 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10706 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10455 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10147 ms. (39 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10575 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10593 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10280 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10352 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10504 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10539 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10360 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10503 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10697 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10124 ms. (39 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10563 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10094 ms. (39 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10258 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10175 ms. (39 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10667 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10653 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10717 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10481 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10424 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10358 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10162 ms. (39 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10800 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10260 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10249 ms. (39 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10385 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10366 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10400 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10562 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10975 ms. (36 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10600 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10426 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10508 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10290 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10392 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10622 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10751 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10599 ms. (37 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10446 ms. (38 steps per ms) remains 74/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 11039 ms. (36 steps per ms) remains 73/74 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10475 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10410 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10076 ms. (39 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10243 ms. (39 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10190 ms. (39 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10538 ms. (37 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10889 ms. (36 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10269 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10687 ms. (37 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10476 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10051 ms. (39 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10890 ms. (36 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10444 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10389 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10329 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10402 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 11008 ms. (36 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10657 ms. (37 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10326 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10475 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10713 ms. (37 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10730 ms. (37 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10456 ms. (38 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10612 ms. (37 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10954 ms. (36 steps per ms) remains 73/73 properties
BEST_FIRST walk for 400004 steps (8 resets) in 10727 ms. (37 steps per ms) remains 73/73 properties
[2025-06-05 00:19:49] [INFO ] Flow matrix only has 40375 transitions (discarded 1 similar events)
// Phase 1: matrix 40375 rows 416 cols
[2025-06-05 00:19:49] [INFO ] Computed 10 invariants in 804 ms
[2025-06-05 00:19:52] [INFO ] State equation strengthened by 6614 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (OVERLAPS) 294/367 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/367 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (OVERLAPS) 49/416 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/416 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 73 unsolved
SDD proceeding with computation,369 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,369 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,369 properties remain. new max is 16
SDD size :10 after 11
SDD proceeding with computation,369 properties remain. new max is 32
SDD size :11 after 22
SDD proceeding with computation,369 properties remain. new max is 64
SDD size :22 after 37
SDD proceeding with computation,369 properties remain. new max is 128
SDD size :37 after 219
SDD proceeding with computation,369 properties remain. new max is 256
SDD size :219 after 6789
SDD proceeding with computation,369 properties remain. new max is 512
SDD size :6789 after 177174
SDD proceeding with computation,369 properties remain. new max is 1024
SDD size :177174 after 189006
SDD proceeding with computation,369 properties remain. new max is 2048
SDD size :189006 after 468998
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 40791/40791 variables, and 426 constraints, problems are : Problem set: 0 solved, 73 unsolved in 45022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 416/416 constraints, ReadFeed: 0/6614 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (OVERLAPS) 294/367 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 73 unsolved
SDD proceeding with computation,369 properties remain. new max is 4096
SDD size :468998 after 781085
SDD proceeding with computation,369 properties remain. new max is 8192
SDD size :781085 after 2.15065e+06
SDD proceeding with computation,369 properties remain. new max is 16384
SDD size :2.15065e+06 after 2.33101e+07
At refinement iteration 2 (INCLUDED_ONLY) 0/367 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (OVERLAPS) 49/416 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 00:21:54] [INFO ] Deduced a trap composed of 190 places in 45154 ms of which 3935 ms to minimize.
SMT process timed out in 125207ms, After SMT, problems are : Problem set: 0 solved, 73 unsolved
Fused 73 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 73 out of 416 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 416/416 places, 40376/40376 transitions.
Graph (complete) has 1170 edges and 416 vertex of which 406 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.147 ms
Discarding 10 places :
Also discarding 5 output transitions
Drop transitions (Output transitions of discarded places.) removed 5 transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 180 transitions
Trivial Post-agglo rules discarded 180 transitions
Performed 180 trivial Post agglomeration. Transition count delta: 180
Iterating post reduction 0 with 185 rules applied. Total rules applied 186 place count 406 transition count 40186
Reduce places removed 180 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 1 with 198 rules applied. Total rules applied 384 place count 226 transition count 40168
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 393 place count 217 transition count 40168
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 393 place count 217 transition count 40158
Deduced a syphon composed of 10 places in 13 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 413 place count 207 transition count 40158
Discarding 65 places :
Symmetric choice reduction at 3 with 65 rule applications. Total rules 478 place count 142 transition count 40093
Iterating global reduction 3 with 65 rules applied. Total rules applied 543 place count 142 transition count 40093
Ensure Unique test removed 38088 transitions
Reduce isomorphic transitions removed 38088 transitions.
Iterating post reduction 3 with 38088 rules applied. Total rules applied 38631 place count 142 transition count 2005
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 38634 place count 139 transition count 2002
Iterating global reduction 4 with 3 rules applied. Total rules applied 38637 place count 139 transition count 2002
Performed 10 Post agglomeration using F-continuation condition with reduction of 264 identical transitions.
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 38657 place count 129 transition count 1728
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 46 transitions
Reduce isomorphic transitions removed 47 transitions.
Iterating post reduction 4 with 47 rules applied. Total rules applied 38704 place count 129 transition count 1681
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 38709 place count 124 transition count 1676
Iterating global reduction 5 with 5 rules applied. Total rules applied 38714 place count 124 transition count 1676
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 38715 place count 124 transition count 1675
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 6 with 18 rules applied. Total rules applied 38733 place count 115 transition count 1666
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 9 rules applied. Total rules applied 38742 place count 115 transition count 1657
Discarding 9 places :
Symmetric choice reduction at 7 with 9 rule applications. Total rules 38751 place count 106 transition count 1648
Iterating global reduction 7 with 9 rules applied. Total rules applied 38760 place count 106 transition count 1648
Ensure Unique test removed 511 transitions
Reduce isomorphic transitions removed 511 transitions.
Iterating post reduction 7 with 511 rules applied. Total rules applied 39271 place count 106 transition count 1137
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 8 with 19 rules applied. Total rules applied 39290 place count 106 transition count 1118
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 8 with 10 rules applied. Total rules applied 39300 place count 101 transition count 1113
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 8 with 7 rules applied. Total rules applied 39307 place count 101 transition count 1106
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 8 with 3 rules applied. Total rules applied 39310 place count 101 transition count 1106
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 39311 place count 100 transition count 1105
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 39312 place count 99 transition count 1105
Performed 9 Post agglomeration using F-continuation condition with reduction of 497 identical transitions.
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 9 with 19 rules applied. Total rules applied 39331 place count 89 transition count 599
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 255 transitions
Reduce isomorphic transitions removed 263 transitions.
Iterating post reduction 9 with 263 rules applied. Total rules applied 39594 place count 89 transition count 336
Drop transitions (Redundant composition of simpler transitions.) removed 127 transitions
Redundant transition composition rules discarded 127 transitions
Iterating global reduction 10 with 127 rules applied. Total rules applied 39721 place count 89 transition count 209
Applied a total of 39721 rules in 3575 ms. Remains 89 /416 variables (removed 327) and now considering 209/40376 (removed 40167) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3576 ms. Remains : 89/416 places, 209/40376 transitions.
RANDOM walk for 1467 steps (27 resets) in 52 ms. (27 steps per ms) remains 0/73 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 448 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST BESTFIRST_WALK TOPOLOGICAL
Total runtime 426667 ms.

BK_STOP 1749082918251

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="StigmergyElection-PT-09b"
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 2-5832"
echo " Executing tool itstools"
echo " Input is StigmergyElection-PT-09b, 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 r231-smll-174903497500178"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/StigmergyElection-PT-09b.tgz
mv StigmergyElection-PT-09b 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 ;