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-177955809000214.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-09, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000214
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.8K Mar 7 05:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 7 05:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 05:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 7 05:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Mar 7 05:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Mar 7 05:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:06 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 100K 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-09-ReachabilityCardinality-2024-00
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-01
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-02
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-03
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-04
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-05
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-06
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-07
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-08
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-09
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-10
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-11
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-12
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-13
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-14
FORMULA_NAME FireWire-PT-09-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779807603068

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-09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-26 15:00:05] [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 15:00:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 15:00:05] [INFO ] Load time of PNML (sax parser for PT used): 184 ms
[2026-05-26 15:00:05] [INFO ] Transformed 130 places.
[2026-05-26 15:00:05] [INFO ] Transformed 408 transitions.
[2026-05-26 15:00:05] [INFO ] Found NUPN structural information;
[2026-05-26 15:00:06] [INFO ] Parsed PT model containing 130 places and 408 transitions and 1525 arcs in 413 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 42 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 56 transitions
Reduce redundant transitions removed 56 transitions.
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (2188 resets) in 2477 ms. (16 steps per ms) remains 10/13 properties
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-26 15:00:07] [INFO ] Flatten gal took : 233 ms
[2026-05-26 15:00:07] [INFO ] Flatten gal took : 141 ms
BEST_FIRST walk for 40004 steps (8 resets) in 898 ms. (44 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (592 resets) in 269 ms. (148 steps per ms) remains 10/10 properties
[2026-05-26 15:00:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11039913599540529962.gal : 71 ms
BEST_FIRST walk for 40003 steps (588 resets) in 472 ms. (84 steps per ms) remains 10/10 properties
[2026-05-26 15:00:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3301474882686225902.prop : 8 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/ReachabilityCardinality11039913599540529962.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3301474882686225902.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (608 resets) in 219 ms. (181 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (598 resets) in 206 ms. (193 steps per ms) remains 10/10 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 ...329
Loading property file /tmp/ReachabilityCardinality3301474882686225902.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :6 after 7
BEST_FIRST walk for 40003 steps (8 resets) in 489 ms. (81 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :7 after 12
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :12 after 17
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :17 after 22
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :22 after 32
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :32 after 173
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :173 after 475
BEST_FIRST walk for 40004 steps (545 resets) in 360 ms. (110 steps per ms) remains 10/10 properties
Reachability property FireWire-PT-09-ReachabilityCardinality-2024-13 is true.
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :475 after 830
BEST_FIRST walk for 40002 steps (947 resets) in 459 ms. (86 steps per ms) remains 10/10 properties
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :830 after 1813
BEST_FIRST walk for 40003 steps (462 resets) in 154 ms. (258 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (241 resets) in 195 ms. (204 steps per ms) remains 10/10 properties
[2026-05-26 15:00:08] [INFO ] Flow matrix only has 320 transitions (discarded 32 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18019811903132968510.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5880901535185713654.kers'
[2026-05-26 15:00:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18019811903132968510.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5880901535185713654.kers]
Normalized transition count is 319 out of 320 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 319 rows 130 cols 1097 entries
Finished phase 1 with 122 SingleSign rule and 0 generalized
[2026-05-26 15:00:08] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5880901535185713654.kers
Total runtime 3 ms.
[2026-05-26 15:00:08] [INFO ] State equation strengthened by 45 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :1813 after 10557
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 83/83 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem FireWire-PT-09-ReachabilityCardinality-2024-00 is UNSAT
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 46/129 variables, 8/91 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 46/137 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/137 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 319/448 variables, 129/266 constraints. Problems are: Problem set: 1 solved, 8 unsolved
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :10557 after 19632
At refinement iteration 6 (INCLUDED_ONLY) 0/448 variables, 44/310 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/448 variables, 0/310 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 1/449 variables, 1/311 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/449 variables, 1/312 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/449 variables, 0/312 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 1/450 variables, 1/313 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 0/313 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 0/450 variables, 0/313 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 450/450 variables, and 313 constraints, problems are : Problem set: 1 solved, 8 unsolved in 2411 ms.
Refiners :[Domain max(s): 130/130 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 130/130 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 9/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 79/79 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Reachability property FireWire-PT-09-ReachabilityCardinality-2024-09 is true.
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/79 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 50/129 variables, 8/87 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 50/137 constraints. Problems are: Problem set: 2 solved, 7 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :19632 after 66226
Problem FireWire-PT-09-ReachabilityCardinality-2024-15 is UNSAT
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 6/143 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/129 variables, 0/143 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 319/448 variables, 129/272 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/448 variables, 44/316 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/448 variables, 4/320 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/448 variables, 0/320 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 1/449 variables, 1/321 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/449 variables, 1/322 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/449 variables, 1/323 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/449 variables, 1/324 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/449 variables, 0/324 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 1/450 variables, 1/325 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 450/450 variables, and 325 constraints, problems are : Problem set: 3 solved, 6 unsolved in 5011 ms.
Refiners :[Domain max(s): 130/130 constraints, Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 130/130 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7596ms problems are : Problem set: 3 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 50 out of 130 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 130/130 places, 352/352 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 130 transition count 349
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 4 place count 129 transition count 347
Iterating global reduction 1 with 1 rules applied. Total rules applied 5 place count 129 transition count 347
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 6 place count 129 transition count 346
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 8 place count 128 transition count 348
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 10 place count 128 transition count 346
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 3 with 7 rules applied. Total rules applied 17 place count 128 transition count 339
Applied a total of 17 rules in 123 ms. Remains 128 /130 variables (removed 2) and now considering 339/352 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 128/130 places, 339/352 transitions.
RANDOM walk for 40000 steps (2251 resets) in 311 ms. (128 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (588 resets) in 119 ms. (333 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (559 resets) in 151 ms. (263 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (613 resets) in 81 ms. (487 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (562 resets) in 74 ms. (533 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 111 ms. (357 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (572 resets) in 138 ms. (287 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 497183 steps, run timeout after 3001 ms. (steps per millisecond=165 ) properties seen :2 out of 6
Probabilistic random walk after 497183 steps, saw 109248 distinct states, run finished after 3007 ms. (steps per millisecond=165 ) properties seen :2
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2026-05-26 15:00:19] [INFO ] Flow matrix only has 315 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14393128186168152794.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1077361983196323452.kers'
[2026-05-26 15:00:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14393128186168152794.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1077361983196323452.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 315 rows 128 cols 1081 entries
Finished phase 1 with 120 SingleSign rule and 0 generalized
[2026-05-26 15:00:19] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1077361983196323452.kers
Total runtime 2 ms.
[2026-05-26 15:00:19] [INFO ] State equation strengthened by 46 read => feed constraints.
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :66226 after 764679
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 77/126 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 315/441 variables, 126/134 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/441 variables, 46/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/441 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2/443 variables, 2/182 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/443 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/443 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 443/443 variables, and 182 constraints, problems are : Problem set: 0 solved, 4 unsolved in 426 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 128/128 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 77/126 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/126 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 315/441 variables, 126/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/441 variables, 46/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/441 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 2/443 variables, 2/188 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/443 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/443 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/443 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 443/443 variables, and 191 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1635 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 128/128 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2092ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 726 ms.
Support contains 49 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 339/339 transitions.
Applied a total of 0 rules in 19 ms. Remains 128 /128 variables (removed 0) and now considering 339/339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 128/128 places, 339/339 transitions.
RANDOM walk for 40000 steps (2152 resets) in 260 ms. (153 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (600 resets) in 140 ms. (283 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (568 resets) in 199 ms. (200 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (591 resets) in 106 ms. (373 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 601808 steps, run timeout after 3001 ms. (steps per millisecond=200 ) properties seen :0 out of 4
Probabilistic random walk after 601808 steps, saw 122555 distinct states, run finished after 3001 ms. (steps per millisecond=200 ) properties seen :0
[2026-05-26 15:00:25] [INFO ] Flow matrix only has 315 transitions (discarded 24 similar events)
[2026-05-26 15:00:25] [INFO ] Invariant cache hit.
[2026-05-26 15:00:25] [INFO ] State equation strengthened by 46 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 77/126 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 315/441 variables, 126/134 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/441 variables, 46/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/441 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2/443 variables, 2/182 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/443 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/443 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 443/443 variables, and 182 constraints, problems are : Problem set: 0 solved, 4 unsolved in 402 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 128/128 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 77/126 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/126 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 315/441 variables, 126/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/441 variables, 46/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/441 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 2/443 variables, 2/188 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/443 variables, 3/191 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/443 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/443 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 443/443 variables, and 191 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1492 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 128/128 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1915ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 513 ms.
Support contains 49 out of 128 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 339/339 transitions.
Applied a total of 0 rules in 15 ms. Remains 128 /128 variables (removed 0) and now considering 339/339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 128/128 places, 339/339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 128/128 places, 339/339 transitions.
Applied a total of 0 rules in 12 ms. Remains 128 /128 variables (removed 0) and now considering 339/339 (removed 0) transitions.
[2026-05-26 15:00:27] [INFO ] Flow matrix only has 315 transitions (discarded 24 similar events)
[2026-05-26 15:00:27] [INFO ] Invariant cache hit.
[2026-05-26 15:00:27] [INFO ] Implicit Places using invariants in 100 ms returned []
[2026-05-26 15:00:27] [INFO ] Flow matrix only has 315 transitions (discarded 24 similar events)
[2026-05-26 15:00:27] [INFO ] Invariant cache hit.
[2026-05-26 15:00:28] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-26 15:00:28] [INFO ] Implicit Places using invariants and state equation in 274 ms returned [13, 38]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 387 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 126/128 places, 339/339 transitions.
Applied a total of 0 rules in 11 ms. Remains 126 /126 variables (removed 0) and now considering 339/339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 410 ms. Remains : 126/128 places, 339/339 transitions.
RANDOM walk for 40000 steps (2229 resets) in 156 ms. (254 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (581 resets) in 92 ms. (430 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (576 resets) in 140 ms. (283 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (578 resets) in 93 ms. (425 steps per ms) remains 4/4 properties
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :764679 after 1.0816e+06
Interrupted probabilistic random walk after 620222 steps, run timeout after 3001 ms. (steps per millisecond=206 ) properties seen :0 out of 4
Probabilistic random walk after 620222 steps, saw 126666 distinct states, run finished after 3001 ms. (steps per millisecond=206 ) properties seen :0
[2026-05-26 15:00:31] [INFO ] Flow matrix only has 315 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1184771515824297578.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3112019677387831822.kers'
[2026-05-26 15:00:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1184771515824297578.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3112019677387831822.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 315 rows 126 cols 1074 entries
Finished phase 1 with 120 SingleSign rule and 0 generalized
[2026-05-26 15:00:31] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3112019677387831822.kers
Total runtime 2 ms.
[2026-05-26 15:00:31] [INFO ] State equation strengthened by 46 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 75/124 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 315/439 variables, 124/130 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/439 variables, 46/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/439 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 2/441 variables, 2/178 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/441 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/441 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 441/441 variables, and 178 constraints, problems are : Problem set: 0 solved, 4 unsolved in 405 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 126/126 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 75/124 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/124 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/124 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 315/439 variables, 124/133 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/439 variables, 46/179 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/439 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/439 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 2/441 variables, 2/182 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/441 variables, 3/185 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/441 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/441 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 441/441 variables, and 185 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1400 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 126/126 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1827ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 551 ms.
Support contains 49 out of 126 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 339/339 transitions.
Applied a total of 0 rules in 11 ms. Remains 126 /126 variables (removed 0) and now considering 339/339 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 126/126 places, 339/339 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 126/126 places, 339/339 transitions.
Applied a total of 0 rules in 10 ms. Remains 126 /126 variables (removed 0) and now considering 339/339 (removed 0) transitions.
[2026-05-26 15:00:33] [INFO ] Flow matrix only has 315 transitions (discarded 24 similar events)
[2026-05-26 15:00:33] [INFO ] Invariant cache hit.
[2026-05-26 15:00:33] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-26 15:00:33] [INFO ] Flow matrix only has 315 transitions (discarded 24 similar events)
[2026-05-26 15:00:33] [INFO ] Invariant cache hit.
[2026-05-26 15:00:34] [INFO ] State equation strengthened by 46 read => feed constraints.
[2026-05-26 15:00:34] [INFO ] Implicit Places using invariants and state equation in 238 ms returned []
Implicit Place search using SMT with State Equation took 325 ms to find 0 implicit places.
[2026-05-26 15:00:34] [INFO ] Redundant transitions in 25 ms returned []
Running 338 sub problems to find dead transitions.
[2026-05-26 15:00:34] [INFO ] Flow matrix only has 315 transitions (discarded 24 similar events)
[2026-05-26 15:00:34] [INFO ] Invariant cache hit.
[2026-05-26 15:00:34] [INFO ] State equation strengthened by 46 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 1 (OVERLAPS) 1/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 4 (OVERLAPS) 315/441 variables, 126/137 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/441 variables, 46/183 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/441 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 7 (OVERLAPS) 0/441 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 338 unsolved
No progress, stopping.
After SMT solving in domain Real declared 441/441 variables, and 183 constraints, problems are : Problem set: 0 solved, 338 unsolved in 14145 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 126/126 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 338/338 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 338 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/125 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 1 (OVERLAPS) 1/126 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 5/11 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/126 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 4 (OVERLAPS) 315/441 variables, 126/137 constraints. Problems are: Problem set: 0 solved, 338 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/441 variables, 46/183 constraints. Problems are: Problem set: 0 solved, 338 unsolved
Invariant property FireWire-PT-09-ReachabilityCardinality-2024-08 does not hold.
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property FireWire-PT-09-ReachabilityCardinality-2024-07 does not hold.
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property FireWire-PT-09-ReachabilityCardinality-2024-06 does not hold.
Invariant property FireWire-PT-09-ReachabilityCardinality-2024-04 does not hold.
At refinement iteration 6 (INCLUDED_ONLY) 0/441 variables, 338/521 constraints. Problems are: Problem set: 0 solved, 338 unsolved
Reachability property FireWire-PT-09-ReachabilityCardinality-2024-02 is true.
FORMULA FireWire-PT-09-ReachabilityCardinality-2024-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :1.0816e+06 after 3.27803e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/441 variables, 1/522 constraints. Problems are: Problem set: 0 solved, 338 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 441/441 variables, and 522 constraints, problems are : Problem set: 0 solved, 338 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 126/126 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 338/338 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44384ms problems are : Problem set: 0 solved, 338 unsolved
Search for dead transitions found 0 dead transitions in 44388ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44783 ms. Remains : 126/126 places, 339/339 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 116 edges and 126 vertex of which 33 / 126 are part of one of the 5 SCC in 2 ms
Free SCC test removed 28 places
Drop transitions (Empty/Sink Transition effects.) removed 124 transitions
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 131 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 95 transition count 202
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 95 transition count 202
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 9 place count 95 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 94 transition count 197
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 94 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 93 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 93 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 92 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 92 transition count 192
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 91 transition count 190
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 91 transition count 190
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 90 transition count 187
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 90 transition count 187
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 89 transition count 185
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 89 transition count 185
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 88 transition count 182
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 88 transition count 182
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 87 transition count 180
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 87 transition count 180
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 86 transition count 177
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 86 transition count 177
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 85 transition count 175
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 85 transition count 175
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 84 transition count 173
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 84 transition count 173
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 83 transition count 171
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 83 transition count 171
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 37 place count 81 transition count 169
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 39 place count 81 transition count 167
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 1 with 2 rules applied. Total rules applied 41 place count 80 transition count 166
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 42 place count 80 transition count 165
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 1 with 2 rules applied. Total rules applied 44 place count 79 transition count 164
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 45 place count 78 transition count 137
Iterating global reduction 1 with 1 rules applied. Total rules applied 46 place count 78 transition count 137
Free-agglomeration rule applied 3 times with reduction of 2 identical transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 49 place count 78 transition count 132
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 53 place count 75 transition count 131
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 55 place count 75 transition count 129
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 57 place count 73 transition count 129
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 59 place count 73 transition count 129
Applied a total of 59 rules in 121 ms. Remains 73 /126 variables (removed 53) and now considering 129/339 (removed 210) transitions.
Running SMT prover for 1 properties.
[2026-05-26 15:01:18] [INFO ] Flow matrix only has 127 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1056741150786000799.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2705860829104732557.kers'
[2026-05-26 15:01:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1056741150786000799.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2705860829104732557.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 127 rows 73 cols 471 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-26 15:01:18] [INFO ] Computed 6 invariants in 0 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2705860829104732557.kers
Total runtime 1 ms.
[2026-05-26 15:01:18] [INFO ] After 37ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-26 15:01:18] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-26 15:01:18] [INFO ] After 45ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-26 15:01:18] [INFO ] State equation strengthened by 4 read => feed constraints.
[2026-05-26 15:01:18] [INFO ] After 8ms SMT Verify possible using 4 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-26 15:01:18] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-26 15:01:18] [INFO ] After 131ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-26 15:01:18] [INFO ] Flatten gal took : 26 ms
[2026-05-26 15:01:18] [INFO ] Flatten gal took : 15 ms
[2026-05-26 15:01:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2648168011630720519.gal : 5 ms
[2026-05-26 15:01:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2631486733587798501.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/ReachabilityCardinality2648168011630720519.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2631486733587798501.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 ...328
Loading property file /tmp/ReachabilityCardinality2631486733587798501.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :5 after 43
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :43 after 107
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :107 after 228
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :228 after 450
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :450 after 2006
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :2006 after 6422
Invariant property FireWire-PT-09-ReachabilityCardinality-2024-01 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 513 fixpoint passes
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,206361,0.130992,7580,2,793,15,11932,6,0,424,13109,0
Total reachable state count : 206361

Verifying 1 reachability properties.
Invariant property FireWire-PT-09-ReachabilityCardinality-2024-01 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-09-ReachabilityCardinality-2024-01,24242,0.132346,7672,2,577,15,11932,7,0,430,13109,0
Over-approximation ignoring read arcs solved 0 properties in 525 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 15:01:19] [INFO ] Flatten gal took : 34 ms
[2026-05-26 15:01:19] [INFO ] Applying decomposition
[2026-05-26 15:01:19] [INFO ] Flatten gal took : 31 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/graph17241233463309408804.txt' '-o' '/tmp/graph17241233463309408804.bin' '-w' '/tmp/graph17241233463309408804.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17241233463309408804.bin' '-l' '-1' '-v' '-w' '/tmp/graph17241233463309408804.weights' '-q' '0' '-e' '0.001'
[2026-05-26 15:01:19] [INFO ] Decomposing Gal with order
[2026-05-26 15:01:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 15:01:19] [INFO ] Removed a total of 566 redundant transitions.
[2026-05-26 15:01:19] [INFO ] Flatten gal took : 158 ms
[2026-05-26 15:01:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 121 labels/synchronizations in 37 ms.
[2026-05-26 15:01:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15910601561686449542.gal : 15 ms
[2026-05-26 15:01:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10897038998278493058.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/ReachabilityCardinality15910601561686449542.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10897038998278493058.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 ...309
Loading property file /tmp/ReachabilityCardinality10897038998278493058.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :2 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 2
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :2 after 4
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :8 after 26858
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :26858 after 210506
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,6.92725e+06,5.40788,109988,2110,82,142687,649,674,497561,92,3055,0
Total reachable state count : 6927249

Verifying 1 reachability properties.
Invariant property FireWire-PT-09-ReachabilityCardinality-2024-01 does not hold.
FORMULA FireWire-PT-09-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-09-ReachabilityCardinality-2024-01,32097,5.42091,110220,601,58,142687,649,674,497561,95,3055,38
All properties solved without resorting to model-checking.
Total runtime 79582 ms.

BK_STOP 1779807685163

--------------------
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-09"
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-09, 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-177955809000214"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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