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-oct2-177944369700118.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is Anderson-PT-09, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369700118
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.0K Mar 4 18:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 4 18:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 4 18:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 4 18:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Mar 4 18:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 4 18:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 4 18:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K 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 3.7K 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 927K 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 1779653968792

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-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 20:19:31] [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 20:19:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:19:31] [INFO ] Load time of PNML (sax parser for PT used): 250 ms
[2026-05-24 20:19:31] [INFO ] Transformed 505 places.
[2026-05-24 20:19:31] [INFO ] Transformed 1845 transitions.
[2026-05-24 20:19:31] [INFO ] Found NUPN structural information;
[2026-05-24 20:19:31] [INFO ] Parsed PT model containing 505 places and 1845 transitions and 7092 arcs in 405 ms.
RANDOM walk for 40000 steps (8 resets) in 3466 ms. (11 steps per ms) remains 57/505 properties
BEST_FIRST walk for 4003 steps (8 resets) in 94 ms. (42 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 60 ms. (65 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4003 steps (8 resets) in 73 ms. (54 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 57/57 properties
[2026-05-24 20:19:32] [INFO ] Flatten gal took : 248 ms
BEST_FIRST walk for 4003 steps (8 resets) in 53 ms. (74 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4003 steps (8 resets) in 67 ms. (58 steps per ms) remains 57/57 properties
BEST_FIRST walk for 4002 steps (8 resets) in 35 ms. (111 steps per ms) remains 56/57 properties
BEST_FIRST walk for 4001 steps (8 resets) in 39 ms. (100 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4002 steps (8 resets) in 28 ms. (138 steps per ms) remains 56/56 properties
BEST_FIRST walk for 4002 steps (8 resets) in 32 ms. (121 steps per ms) remains 55/56 properties
BEST_FIRST walk for 4002 steps (8 resets) in 35 ms. (111 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 61 ms. (64 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 55/55 properties
[2026-05-24 20:19:33] [INFO ] Flatten gal took : 256 ms
BEST_FIRST walk for 4002 steps (8 resets) in 145 ms. (27 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4000 steps (8 resets) in 26 ms. (148 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (8 resets) in 27 ms. (142 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4001 steps (8 resets) in 37 ms. (105 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 47 ms. (83 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 16 ms. (235 steps per ms) remains 55/55 properties
[2026-05-24 20:19:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9490986976899087584.gal : 82 ms
BEST_FIRST walk for 4001 steps (8 resets) in 42 ms. (93 steps per ms) remains 55/55 properties
[2026-05-24 20:19:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6206082857912662481.prop : 1 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/ReachabilityCardinality9490986976899087584.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6206082857912662481.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4002 steps (8 resets) in 36 ms. (108 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 24 ms. (160 steps per ms) remains 55/55 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 ...328
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 32 ms. (121 steps per ms) remains 55/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 54/55 properties
BEST_FIRST walk for 4002 steps (8 resets) in 33 ms. (117 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4002 steps (8 resets) in 42 ms. (93 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4001 steps (8 resets) in 32 ms. (121 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4002 steps (8 resets) in 40 ms. (97 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4002 steps (8 resets) in 31 ms. (125 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4001 steps (8 resets) in 25 ms. (153 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 54/54 properties
BEST_FIRST walk for 4002 steps (8 resets) in 31 ms. (125 steps per ms) remains 53/54 properties
BEST_FIRST walk for 4001 steps (8 resets) in 25 ms. (153 steps per ms) remains 53/53 properties
Loading property file /tmp/ReachabilityCardinality6206082857912662481.prop.
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4002 steps (8 resets) in 24 ms. (160 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4002 steps (8 resets) in 34 ms. (114 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4002 steps (8 resets) in 28 ms. (138 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4002 steps (8 resets) in 54 ms. (72 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4002 steps (8 resets) in 20 ms. (190 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4001 steps (8 resets) in 28 ms. (137 steps per ms) remains 53/53 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 53/53 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1357092610925434741.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6424109928489255745.kers'
[2026-05-24 20:19:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1357092610925434741.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6424109928489255745.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1845 rows 505 cols 6930 entries
Finished phase 1 with 297 SingleSign rule and 187 generalized
[2026-05-24 20:19:33] [INFO ] Computed 21 invariants in 9 ms
Computed 21 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-6424109928489255745.kers
Total runtime 12 ms.
[2026-05-24 20:19:33] [INFO ] State equation strengthened by 72 read => feed constraints.
SDD proceeding with computation,55 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,55 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,55 properties remain. new max is 16
SDD size :8 after 11
SDD proceeding with computation,55 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,55 properties remain. new max is 64
SDD size :12 after 19
SDD proceeding with computation,55 properties remain. new max is 128
SDD size :19 after 51
SDD proceeding with computation,55 properties remain. new max is 256
SDD size :51 after 68
SDD proceeding with computation,55 properties remain. new max is 512
SDD size :68 after 118
SDD proceeding with computation,55 properties remain. new max is 1024
SDD size :118 after 541
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 53/53 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 381/434 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/434 variables, 381/442 constraints. Problems are: Problem set: 0 solved, 53 unsolved
SDD proceeding with computation,55 properties remain. new max is 2048
SDD size :541 after 3640
At refinement iteration 4 (INCLUDED_ONLY) 0/434 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 10/444 variables, 1/443 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/444 variables, 10/453 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/444 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (OVERLAPS) 60/504 variables, 11/464 constraints. Problems are: Problem set: 0 solved, 53 unsolved
SDD proceeding with computation,55 properties remain. new max is 4096
SDD size :3640 after 24656
At refinement iteration 9 (INCLUDED_ONLY) 0/504 variables, 60/524 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/504 variables, 0/524 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 11 (OVERLAPS) 1/505 variables, 1/525 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/505 variables, 1/526 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 505/2350 variables, and 526 constraints, problems are : Problem set: 0 solved, 53 unsolved in 5103 ms.
Refiners :[Domain max(s): 505/505 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/505 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 53/53 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 53 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 53/53 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 2 (OVERLAPS) 381/434 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/434 variables, 381/442 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/434 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 5 (OVERLAPS) 10/444 variables, 1/443 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/444 variables, 10/453 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/444 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 53 unsolved
At refinement iteration 8 (OVERLAPS) 60/504 variables, 11/464 constraints. Problems are: Problem set: 0 solved, 53 unsolved
SDD proceeding with computation,55 properties remain. new max is 8192
SDD size :24656 after 184109
At refinement iteration 9 (INCLUDED_ONLY) 0/504 variables, 60/524 constraints. Problems are: Problem set: 0 solved, 53 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 504/2350 variables, and 525 constraints, problems are : Problem set: 0 solved, 53 unsolved in 5017 ms.
Refiners :[Domain max(s): 504/505 constraints, Positive P Invariants (semi-flows): 9/10 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/505 constraints, ReadFeed: 0/72 constraints, PredecessorRefiner: 0/53 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10339ms problems are : Problem set: 0 solved, 53 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 53 out of 505 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 505/505 places, 1845/1845 transitions.
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 24 Pre rules applied. Total rules applied 0 place count 505 transition count 1821
Deduced a syphon composed of 24 places in 5 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 481 transition count 1821
Discarding 96 places :
Symmetric choice reduction at 0 with 96 rule applications. Total rules 144 place count 385 transition count 573
Iterating global reduction 0 with 96 rules applied. Total rules applied 240 place count 385 transition count 573
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 336 place count 337 transition count 525
Applied a total of 336 rules in 171 ms. Remains 337 /505 variables (removed 168) and now considering 525/1845 (removed 1320) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 181 ms. Remains : 337/505 places, 525/1845 transitions.
RANDOM walk for 4000000 steps (8 resets) in 33231 ms. (120 steps per ms) remains 29/53 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1394 ms. (286 steps per ms) remains 29/29 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1863 ms. (214 steps per ms) remains 29/29 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1507 ms. (265 steps per ms) remains 29/29 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1805 ms. (221 steps per ms) remains 28/29 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1405 ms. (284 steps per ms) remains 28/28 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1487 ms. (268 steps per ms) remains 27/28 properties
BEST_FIRST walk for 400002 steps (8 resets) in 2034 ms. (196 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400004 steps (8 resets) in 2190 ms. (182 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1454 ms. (274 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1693 ms. (236 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1416 ms. (282 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1337 ms. (298 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1600 ms. (249 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1552 ms. (257 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1600 ms. (249 steps per ms) remains 27/27 properties
SDD proceeding with computation,55 properties remain. new max is 16384
SDD size :184109 after 993475
BEST_FIRST walk for 400000 steps (8 resets) in 1387 ms. (288 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1625 ms. (246 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1510 ms. (264 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1578 ms. (253 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1611 ms. (248 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1391 ms. (287 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1367 ms. (292 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1550 ms. (257 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1737 ms. (230 steps per ms) remains 26/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1449 ms. (275 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1383 ms. (289 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1426 ms. (280 steps per ms) remains 26/26 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1684929441781555226.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14590977297908520990.kers'
[2026-05-24 20:20:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1684929441781555226.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14590977297908520990.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 525 rows 337 cols 1842 entries
Finished phase 1 with 129 SingleSign rule and 187 generalized
[2026-05-24 20:20:08] [INFO ] Computed 21 invariants in 3 ms
Computed 21 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-14590977297908520990.kers
Total runtime 4 ms.
[2026-05-24 20:20:08] [INFO ] State equation strengthened by 72 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 291/317 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 10/327 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/327 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/327 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 10/337 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/337 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 525/862 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/862 variables, 72/430 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/862 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (OVERLAPS) 0/862 variables, 0/430 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 862/862 variables, and 430 constraints, problems are : Problem set: 0 solved, 26 unsolved in 3146 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 337/337 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (OVERLAPS) 291/317 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (OVERLAPS) 10/327 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/327 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/327 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 10/337 variables, 9/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/337 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 525/862 variables, 337/358 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/862 variables, 72/430 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/862 variables, 26/456 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/862 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 0/862 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 862/862 variables, and 456 constraints, problems are : Problem set: 0 solved, 26 unsolved in 9463 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 337/337 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12653ms problems are : Problem set: 0 solved, 26 unsolved
Parikh walk visited 24 properties in 3086 ms.
Support contains 2 out of 337 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 337/337 places, 525/525 transitions.
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 46
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 0 with 92 rules applied. Total rules applied 92 place count 291 transition count 479
Applied a total of 92 rules in 45 ms. Remains 291 /337 variables (removed 46) and now considering 479/525 (removed 46) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 291/337 places, 479/525 transitions.
RANDOM walk for 4000000 steps (8 resets) in 12846 ms. (311 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 5937 ms. (673 steps per ms) remains 1/2 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6512627517443343582.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4846892156111707984.kers'
[2026-05-24 20:20:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6512627517443343582.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4846892156111707984.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 479 rows 291 cols 1750 entries
Finished phase 1 with 83 SingleSign rule and 187 generalized
[2026-05-24 20:20:29] [INFO ] Computed 21 invariants in 2 ms
Computed 21 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4846892156111707984.kers
Total runtime 4 ms.
[2026-05-24 20:20:29] [INFO ] State equation strengthened by 72 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/276 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/276 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/291 variables, 8/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 479/770 variables, 291/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/770 variables, 72/384 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/770 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/770 variables, 0/384 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 770/770 variables, and 384 constraints, problems are : Problem set: 0 solved, 1 unsolved in 223 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 291/291 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/276 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/276 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/291 variables, 8/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/291 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 479/770 variables, 291/312 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/770 variables, 72/384 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/770 variables, 1/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/770 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/770 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 770/770 variables, and 385 constraints, problems are : Problem set: 0 solved, 1 unsolved in 461 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 291/291 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 715ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 1 out of 291 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 291/291 places, 479/479 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 290 transition count 478
Applied a total of 2 rules in 52 ms. Remains 290 /291 variables (removed 1) and now considering 478/479 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 290/291 places, 478/479 transitions.
RANDOM walk for 4000000 steps (8 resets) in 10068 ms. (397 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 5372 ms. (744 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 47598 steps, run visited all 1 properties in 242 ms. (steps per millisecond=196 )
Probabilistic random walk after 47598 steps, saw 29941 distinct states, run finished after 248 ms. (steps per millisecond=191 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 505 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 63650 ms.

BK_STOP 1779654034728

--------------------
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
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ sed s/.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-09"
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-09, 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-oct2-177944369700118"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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