Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809000278.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FireWire-PT-17, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000278
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 5.3K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 10:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 180K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:09 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 153K Mar 3 18:30 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-00
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-01
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-02
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-03
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-04
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-05
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-06
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-07
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-08
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-09
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-10
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-11
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-12
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-13
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-14
FORMULA_NAME FireWire-PT-17-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779838552241

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FireWire-PT-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-26 23:35:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 23:35:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 23:35:55] [INFO ] Load time of PNML (sax parser for PT used): 216 ms
[2026-05-26 23:35:55] [INFO ] Transformed 428 places.
[2026-05-26 23:35:55] [INFO ] Transformed 656 transitions.
[2026-05-26 23:35:55] [INFO ] Found NUPN structural information;
[2026-05-26 23:35:55] [INFO ] Parsed PT model containing 428 places and 656 transitions and 1904 arcs in 445 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 34 ms.
Working with output stream class java.io.PrintStream
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (12 resets) in 2025 ms. (19 steps per ms) remains 14/15 properties
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40000 steps (11 resets) in 1046 ms. (38 steps per ms) remains 14/14 properties
[2026-05-26 23:35:56] [INFO ] Flatten gal took : 524 ms
BEST_FIRST walk for 40000 steps (10 resets) in 1092 ms. (36 steps per ms) remains 14/14 properties
[2026-05-26 23:35:56] [INFO ] Flatten gal took : 219 ms
[2026-05-26 23:35:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17971693580289506798.gal : 63 ms
BEST_FIRST walk for 40001 steps (16 resets) in 698 ms. (57 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (10 resets) in 301 ms. (132 steps per ms) remains 14/14 properties
[2026-05-26 23:35:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12431928844642528263.prop : 12 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/ReachabilityCardinality17971693580289506798.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12431928844642528263.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

BEST_FIRST walk for 40000 steps (21 resets) in 496 ms. (80 steps per ms) remains 14/14 properties
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12431928844642528263.prop.
BEST_FIRST walk for 40000 steps (8 resets) in 489 ms. (81 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (15 resets) in 221 ms. (180 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40000 steps (13 resets) in 435 ms. (91 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40000 steps (8 resets) in 372 ms. (107 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :7 after 13
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :13 after 19
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :19 after 80
BEST_FIRST walk for 40000 steps (10 resets) in 388 ms. (102 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :80 after 97
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :97 after 141
Reachability property FireWire-PT-17-ReachabilityCardinality-2024-00 is true.
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :141 after 313
BEST_FIRST walk for 40000 steps (11 resets) in 388 ms. (102 steps per ms) remains 14/14 properties
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :313 after 381
BEST_FIRST walk for 40000 steps (14 resets) in 495 ms. (80 steps per ms) remains 14/14 properties
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :381 after 731
BEST_FIRST walk for 40000 steps (14 resets) in 469 ms. (85 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40000 steps (11 resets) in 367 ms. (108 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 1073331 steps, run timeout after 9001 ms. (steps per millisecond=119 ) properties seen :6 out of 14
Probabilistic random walk after 1073331 steps, saw 247449 distinct states, run finished after 9008 ms. (steps per millisecond=119 ) properties seen :6
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17757448200919978188.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14834172510909629228.kers'
[2026-05-26 23:36:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17757448200919978188.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14834172510909629228.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 656 rows 428 cols 1904 entries
Finished phase 1 with 419 SingleSign rule and 0 generalized
[2026-05-26 23:36:07] [INFO ] Computed 9 invariants in 3 ms
Computed 9 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-14834172510909629228.kers
Total runtime 4 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 160/160 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem FireWire-PT-17-ReachabilityCardinality-2024-03 is UNSAT
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 268/428 variables, 9/169 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/428 variables, 268/437 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Reachability property FireWire-PT-17-ReachabilityCardinality-2024-04 is true.
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :731 after 178638
At refinement iteration 4 (INCLUDED_ONLY) 0/428 variables, 0/437 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 656/1084 variables, 428/865 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1084 variables, 0/865 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/1084 variables, 0/865 constraints. Problems are: Problem set: 1 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1084/1084 variables, and 865 constraints, problems are : Problem set: 1 solved, 7 unsolved in 3657 ms.
Refiners :[Domain max(s): 428/428 constraints, Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 428/428 constraints, PredecessorRefiner: 8/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 150/150 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 0/150 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Problem FireWire-PT-17-ReachabilityCardinality-2024-09 is UNSAT
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-17-ReachabilityCardinality-2024-15 is UNSAT
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 278/428 variables, 9/159 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/428 variables, 278/437 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/428 variables, 6/443 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/428 variables, 0/443 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 656/1084 variables, 428/871 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1084 variables, 3/874 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1084/1084 variables, and 874 constraints, problems are : Problem set: 3 solved, 5 unsolved in 5011 ms.
Refiners :[Domain max(s): 428/428 constraints, Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 428/428 constraints, PredecessorRefiner: 6/5 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8829ms problems are : Problem set: 3 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 119 out of 428 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 428/428 places, 656/656 transitions.
Graph (complete) has 1103 edges and 428 vertex of which 423 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.6 ms
Discarding 5 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 0 with 50 rules applied. Total rules applied 51 place count 423 transition count 606
Reduce places removed 49 places and 0 transitions.
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Iterating post reduction 1 with 63 rules applied. Total rules applied 114 place count 374 transition count 592
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 128 place count 360 transition count 592
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 128 place count 360 transition count 582
Deduced a syphon composed of 10 places in 4 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 148 place count 350 transition count 582
Discarding 32 places :
Symmetric choice reduction at 3 with 32 rule applications. Total rules 180 place count 318 transition count 550
Iterating global reduction 3 with 32 rules applied. Total rules applied 212 place count 318 transition count 550
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 213 place count 318 transition count 549
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 213 place count 318 transition count 545
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 221 place count 314 transition count 545
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 223 place count 312 transition count 505
Iterating global reduction 4 with 2 rules applied. Total rules applied 225 place count 312 transition count 505
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 4 with 40 rules applied. Total rules applied 265 place count 292 transition count 485
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 283 place count 283 transition count 500
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 284 place count 283 transition count 499
Free-agglomeration rule applied 29 times.
Iterating global reduction 4 with 29 rules applied. Total rules applied 313 place count 283 transition count 470
Reduce places removed 29 places and 0 transitions.
Iterating post reduction 4 with 29 rules applied. Total rules applied 342 place count 254 transition count 470
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 344 place count 254 transition count 468
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 352 place count 254 transition count 468
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 353 place count 254 transition count 468
Applied a total of 353 rules in 332 ms. Remains 254 /428 variables (removed 174) and now considering 468/656 (removed 188) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 343 ms. Remains : 254/428 places, 468/656 transitions.
RANDOM walk for 40000 steps (42 resets) in 864 ms. (46 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (23 resets) in 611 ms. (65 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (28 resets) in 246 ms. (161 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40000 steps (30 resets) in 290 ms. (137 steps per ms) remains 3/5 properties
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40000 steps (21 resets) in 88 ms. (449 steps per ms) remains 3/3 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8114047208714566796.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9460108358199672179.kers'
[2026-05-26 23:36:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8114047208714566796.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9460108358199672179.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 468 rows 254 cols 1516 entries
Finished phase 1 with 247 SingleSign rule and 0 generalized
[2026-05-26 23:36:17] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9460108358199672179.kers
Total runtime 3 ms.
[2026-05-26 23:36:17] [INFO ] State equation strengthened by 3 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 150/238 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/238 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 462/700 variables, 238/245 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/700 variables, 3/248 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/700 variables, 0/248 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 21/721 variables, 15/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/721 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 1/722 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/722 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 0/722 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 722/722 variables, and 264 constraints, problems are : Problem set: 0 solved, 3 unsolved in 751 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 254/254 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 150/238 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/238 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/238 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/238 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 462/700 variables, 238/250 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/700 variables, 3/253 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/700 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/700 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 21/721 variables, 15/269 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/721 variables, 1/270 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/721 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1/722 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/722 variables, 1/272 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/722 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/722 variables, 1/274 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :178638 after 189275
Reachability property FireWire-PT-17-ReachabilityCardinality-2024-11 is true.
At refinement iteration 17 (INCLUDED_ONLY) 0/722 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/722 variables, 1/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/722 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 0/722 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 722/722 variables, and 276 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5734 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 254/254 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 6517ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1157 ms.
Support contains 88 out of 254 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 254/254 places, 468/468 transitions.
Graph (trivial) has 45 edges and 254 vertex of which 2 / 254 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Graph (complete) has 832 edges and 253 vertex of which 252 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 9 place count 252 transition count 458
Reduce places removed 7 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 1 with 10 rules applied. Total rules applied 19 place count 245 transition count 455
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 22 place count 242 transition count 455
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 22 place count 242 transition count 450
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 32 place count 237 transition count 450
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 37 place count 232 transition count 445
Iterating global reduction 3 with 5 rules applied. Total rules applied 42 place count 232 transition count 445
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 3 with 14 rules applied. Total rules applied 56 place count 225 transition count 438
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 60 place count 223 transition count 445
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 63 place count 223 transition count 442
Free-agglomeration rule applied 6 times.
Iterating global reduction 3 with 6 rules applied. Total rules applied 69 place count 223 transition count 436
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 75 place count 217 transition count 436
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 76 place count 217 transition count 436
Applied a total of 76 rules in 87 ms. Remains 217 /254 variables (removed 37) and now considering 436/468 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 217/254 places, 436/468 transitions.
RANDOM walk for 40000 steps (63 resets) in 127 ms. (312 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (24 resets) in 156 ms. (254 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (11 resets) in 252 ms. (158 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (13 resets) in 148 ms. (268 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 465735 steps, run timeout after 3001 ms. (steps per millisecond=155 ) properties seen :0 out of 3
Probabilistic random walk after 465735 steps, saw 110594 distinct states, run finished after 3001 ms. (steps per millisecond=155 ) properties seen :0
[2026-05-26 23:36:28] [INFO ] Flow matrix only has 433 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9244216786798917020.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9205266867299744711.kers'
[2026-05-26 23:36:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9244216786798917020.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9205266867299744711.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 433 rows 217 cols 1455 entries
Finished phase 1 with 210 SingleSign rule and 0 generalized
[2026-05-26 23:36:28] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9205266867299744711.kers
Total runtime 3 ms.
[2026-05-26 23:36:28] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 120/208 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 433/641 variables, 208/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/641 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/641 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 9/650 variables, 9/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/650 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 650/650 variables, and 228 constraints, problems are : Problem set: 0 solved, 3 unsolved in 711 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 217/217 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 120/208 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 433/641 variables, 208/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/641 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/641 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/641 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/641 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 9/650 variables, 9/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/650 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/650 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/650 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/650 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 650/650 variables, and 235 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2172 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 217/217 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2908ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1044 ms.
Support contains 88 out of 217 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 217/217 places, 436/436 transitions.
Applied a total of 0 rules in 12 ms. Remains 217 /217 variables (removed 0) and now considering 436/436 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 217/217 places, 436/436 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 217/217 places, 436/436 transitions.
Applied a total of 0 rules in 10 ms. Remains 217 /217 variables (removed 0) and now considering 436/436 (removed 0) transitions.
[2026-05-26 23:36:32] [INFO ] Flow matrix only has 433 transitions (discarded 3 similar events)
[2026-05-26 23:36:32] [INFO ] Invariant cache hit.
[2026-05-26 23:36:32] [INFO ] Implicit Places using invariants in 136 ms returned []
[2026-05-26 23:36:32] [INFO ] Flow matrix only has 433 transitions (discarded 3 similar events)
[2026-05-26 23:36:32] [INFO ] Invariant cache hit.
[2026-05-26 23:36:32] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:36:32] [INFO ] Implicit Places using invariants and state equation in 337 ms returned []
Implicit Place search using SMT with State Equation took 488 ms to find 0 implicit places.
[2026-05-26 23:36:32] [INFO ] Redundant transitions in 46 ms returned [349]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 434 sub problems to find dead transitions.
[2026-05-26 23:36:32] [INFO ] Flow matrix only has 432 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3640013888620760301.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11491571917386629552.kers'
[2026-05-26 23:36:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3640013888620760301.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11491571917386629552.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 432 rows 217 cols 1451 entries
Finished phase 1 with 210 SingleSign rule and 0 generalized
[2026-05-26 23:36:32] [INFO ] Computed 7 invariants in 8 ms
Computed 7 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-11491571917386629552.kers
Total runtime 11 ms.
[2026-05-26 23:36:32] [INFO ] State equation strengthened by 4 read => feed constraints.
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :189275 after 199267
Reachability property FireWire-PT-17-ReachabilityCardinality-2024-14 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/216 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 1 (OVERLAPS) 1/217 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/217 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 434 unsolved
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :199267 after 219430
Reachability property FireWire-PT-17-ReachabilityCardinality-2024-12 is true.
At refinement iteration 4 (INCLUDED_ONLY) 0/217 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 5 (OVERLAPS) 432/649 variables, 217/240 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/649 variables, 4/244 constraints. Problems are: Problem set: 0 solved, 434 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 649/649 variables, and 245 constraints, problems are : Problem set: 0 solved, 434 unsolved in 30067 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 217/217 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 434/434 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 434 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/216 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 1 (OVERLAPS) 1/217 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/217 variables, 17/24 constraints. Problems are: Problem set: 0 solved, 434 unsolved
Invariant property FireWire-PT-17-ReachabilityCardinality-2024-07 does not hold.
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :219430 after 259766
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :259766 after 374021
At refinement iteration 3 (INCLUDED_ONLY) 0/217 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 4 (OVERLAPS) 432/649 variables, 217/241 constraints. Problems are: Problem set: 0 solved, 434 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/649 variables, 4/245 constraints. Problems are: Problem set: 0 solved, 434 unsolved
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :374021 after 593153
At refinement iteration 6 (INCLUDED_ONLY) 0/649 variables, 434/679 constraints. Problems are: Problem set: 0 solved, 434 unsolved
SMT process timed out in 60394ms, After SMT, problems are : Problem set: 0 solved, 434 unsolved
Search for dead transitions found 0 dead transitions in 60401ms
Starting structural reductions in REACHABILITY mode, iteration 1 : 217/217 places, 435/436 transitions.
Applied a total of 0 rules in 35 ms. Remains 217 /217 variables (removed 0) and now considering 435/435 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 61022 ms. Remains : 217/217 places, 435/436 transitions.
RANDOM walk for 40000 steps (19 resets) in 171 ms. (232 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (28 resets) in 173 ms. (229 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (39 resets) in 273 ms. (145 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40000 steps (38 resets) in 167 ms. (238 steps per ms) remains 3/3 properties
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :593153 after 1.72666e+06
Interrupted probabilistic random walk after 468935 steps, run timeout after 3001 ms. (steps per millisecond=156 ) properties seen :0 out of 3
Probabilistic random walk after 468935 steps, saw 111281 distinct states, run finished after 3001 ms. (steps per millisecond=156 ) properties seen :0
[2026-05-26 23:37:36] [INFO ] Flow matrix only has 432 transitions (discarded 3 similar events)
[2026-05-26 23:37:36] [INFO ] Invariant cache hit.
[2026-05-26 23:37:36] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 120/208 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 432/640 variables, 208/215 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/640 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/640 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 9/649 variables, 9/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/649 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/649 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 649/649 variables, and 228 constraints, problems are : Problem set: 0 solved, 3 unsolved in 538 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 217/217 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 120/208 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/208 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 432/640 variables, 208/218 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/640 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/640 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/640 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/640 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 9/649 variables, 9/233 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/649 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/649 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/649 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/649 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/649 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/649 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 649/649 variables, and 236 constraints, problems are : Problem set: 0 solved, 3 unsolved in 3383 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 217/217 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 3934ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1030 ms.
Support contains 88 out of 217 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 217/217 places, 435/435 transitions.
Applied a total of 0 rules in 9 ms. Remains 217 /217 variables (removed 0) and now considering 435/435 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 217/217 places, 435/435 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 217/217 places, 435/435 transitions.
Applied a total of 0 rules in 9 ms. Remains 217 /217 variables (removed 0) and now considering 435/435 (removed 0) transitions.
[2026-05-26 23:37:41] [INFO ] Flow matrix only has 432 transitions (discarded 3 similar events)
[2026-05-26 23:37:41] [INFO ] Invariant cache hit.
[2026-05-26 23:37:41] [INFO ] Implicit Places using invariants in 133 ms returned []
[2026-05-26 23:37:41] [INFO ] Flow matrix only has 432 transitions (discarded 3 similar events)
[2026-05-26 23:37:41] [INFO ] Invariant cache hit.
[2026-05-26 23:37:41] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 23:37:42] [INFO ] Implicit Places using invariants and state equation in 374 ms returned []
Implicit Place search using SMT with State Equation took 510 ms to find 0 implicit places.
[2026-05-26 23:37:42] [INFO ] Redundant transitions in 7 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 534 ms. Remains : 217/217 places, 435/435 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 788 edges and 217 vertex of which 216 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 216 transition count 432
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 216 transition count 432
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 216 transition count 431
Applied a total of 6 rules in 37 ms. Remains 216 /217 variables (removed 1) and now considering 431/435 (removed 4) transitions.
Running SMT prover for 3 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15335331801373329634.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-547849399485890640.kers'
[2026-05-26 23:37:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15335331801373329634.kers, --Pflows, --basisKERS=/tmp/petrispot-output-547849399485890640.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 431 rows 216 cols 1448 entries
Finished phase 1 with 209 SingleSign rule and 0 generalized
[2026-05-26 23:37:42] [INFO ] Computed 7 invariants in 7 ms
Computed 7 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-547849399485890640.kers
Total runtime 9 ms.
[2026-05-26 23:37:42] [INFO ] After 96ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-26 23:37:42] [INFO ] [Nat]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-26 23:37:42] [INFO ] After 261ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-26 23:37:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 101 ms
TRAPS : Iteration 1
[2026-05-26 23:37:43] [INFO ] After 581ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-26 23:37:43] [INFO ] After 789ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-26 23:37:43] [INFO ] Flatten gal took : 66 ms
[2026-05-26 23:37:43] [INFO ] Flatten gal took : 65 ms
[2026-05-26 23:37:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9869965548901784482.gal : 9 ms
[2026-05-26 23:37:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11422234237807365196.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/ReachabilityCardinality9869965548901784482.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11422234237807365196.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11422234237807365196.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :3 after 10
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :10 after 15
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :15 after 16
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :16 after 22
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :22 after 42
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :42 after 83
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :83 after 223
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :223 after 6757
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :6757 after 9160
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :9160 after 168742
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :168742 after 409088
Invariant property FireWire-PT-17-ReachabilityCardinality-2024-10 does not hold.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :409088 after 464572
Detected timeout of ITS tools.
[2026-05-26 23:37:58] [INFO ] Flatten gal took : 31 ms
[2026-05-26 23:37:58] [INFO ] Applying decomposition
[2026-05-26 23:37:58] [INFO ] Flatten gal took : 26 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph11758784703028664065.txt' '-o' '/tmp/graph11758784703028664065.bin' '-w' '/tmp/graph11758784703028664065.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph11758784703028664065.bin' '-l' '-1' '-v' '-w' '/tmp/graph11758784703028664065.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:37:58] [INFO ] Decomposing Gal with order
[2026-05-26 23:37:58] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:37:58] [INFO ] Removed a total of 588 redundant transitions.
[2026-05-26 23:37:58] [INFO ] Flatten gal took : 152 ms
[2026-05-26 23:37:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 66 labels/synchronizations in 29 ms.
[2026-05-26 23:37:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7933246596421245580.gal : 11 ms
[2026-05-26 23:37:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14614725236288140181.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/ReachabilityCardinality7933246596421245580.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14614725236288140181.prop' '--nowitness'

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 ...308
Loading property file /tmp/ReachabilityCardinality14614725236288140181.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :9 after 4287
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :4287 after 29907
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :29907 after 2.2394e+06
Reachability property FireWire-PT-17-ReachabilityCardinality-2024-02 is true.
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.2394e+06 after 2.50458e+08
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31831 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 23:38:14] [INFO ] Flatten gal took : 38 ms
[2026-05-26 23:38:14] [INFO ] Applying decomposition
[2026-05-26 23:38:14] [INFO ] Flatten gal took : 45 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2948529224556287946.txt' '-o' '/tmp/graph2948529224556287946.bin' '-w' '/tmp/graph2948529224556287946.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2948529224556287946.bin' '-l' '-1' '-v' '-w' '/tmp/graph2948529224556287946.weights' '-q' '0' '-e' '0.001'
[2026-05-26 23:38:14] [INFO ] Decomposing Gal with order
[2026-05-26 23:38:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 23:38:14] [INFO ] Removed a total of 542 redundant transitions.
[2026-05-26 23:38:14] [INFO ] Flatten gal took : 108 ms
[2026-05-26 23:38:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 20 labels/synchronizations in 27 ms.
[2026-05-26 23:38:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5682613268825824391.gal : 31 ms
[2026-05-26 23:38:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15380475307171487662.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/ReachabilityCardinality5682613268825824391.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15380475307171487662.prop' '--nowitness'

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 ...308
Loading property file /tmp/ReachabilityCardinality15380475307171487662.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :1 after 583
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :583 after 937589
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :937589 after 1.8413e+06
Invariant property FireWire-PT-17-ReachabilityCardinality-2024-10 does not hold.
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Reachability property FireWire-PT-17-ReachabilityCardinality-2024-02 is true.
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.28378e+08 after 1.1559e+10
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.8703e+12,69.6376,1395136,8739,332,1.38249e+06,4393,1145,1.06694e+07,112,24912,0
Total reachable state count : 1870302369374

Verifying 3 reachability properties.
Invariant property FireWire-PT-17-ReachabilityCardinality-2024-01 does not hold.
FORMULA FireWire-PT-17-ReachabilityCardinality-2024-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
FireWire-PT-17-ReachabilityCardinality-2024-01,3.03986e+07,70.4142,1395136,966,78,1.38249e+06,4393,1174,1.06694e+07,122,24912,11518
Reachability property FireWire-PT-17-ReachabilityCardinality-2024-02 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
FireWire-PT-17-ReachabilityCardinality-2024-02,44,70.5469,1395136,163,27,1.38249e+06,4393,1471,1.06694e+07,133,24912,36372
Invariant property FireWire-PT-17-ReachabilityCardinality-2024-10 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
FireWire-PT-17-ReachabilityCardinality-2024-10,7.57332e+06,70.6077,1395136,467,38,1.38249e+06,4393,1487,1.06694e+07,134,24912,41528
All properties solved without resorting to model-checking.
Total runtime 210877 ms.

BK_STOP 1779838765499

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FireWire-PT-17"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FireWire-PT-17, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809000278"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-17.tgz
mv FireWire-PT-17 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;