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-177955809000230.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)
...................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FireWire-PT-11, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809000230
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 620K
-rw-r--r-- 1 mcc users 8.4K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 10:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:07 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 125K 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-11-ReachabilityCardinality-2024-00
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-01
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-02
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-03
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-04
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-05
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-06
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-07
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-08
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-09
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-10
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-11
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-12
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-13
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-14
FORMULA_NAME FireWire-PT-11-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779813734314

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-11
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-26 16:42:16] [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 16:42:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 16:42:17] [INFO ] Load time of PNML (sax parser for PT used): 204 ms
[2026-05-26 16:42:17] [INFO ] Transformed 169 places.
[2026-05-26 16:42:17] [INFO ] Transformed 508 transitions.
[2026-05-26 16:42:17] [INFO ] Found NUPN structural information;
[2026-05-26 16:42:17] [INFO ] Parsed PT model containing 169 places and 508 transitions and 1883 arcs in 428 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 46 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 65 transitions
Reduce redundant transitions removed 65 transitions.
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-26 16:42:18] [INFO ] Flatten gal took : 353 ms
RANDOM walk for 40000 steps (1116 resets) in 3825 ms. (10 steps per ms) remains 10/14 properties
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-26 16:42:18] [INFO ] Flatten gal took : 109 ms
[2026-05-26 16:42:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3492181698070411922.gal : 93 ms
[2026-05-26 16:42:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16887005829393746520.prop : 10 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/ReachabilityCardinality3492181698070411922.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16887005829393746520.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (197 resets) in 1017 ms. (39 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/ReachabilityCardinality16887005829393746520.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :6 after 28
BEST_FIRST walk for 40003 steps (244 resets) in 621 ms. (64 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :28 after 31
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :31 after 56
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :56 after 106
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :106 after 188
BEST_FIRST walk for 40004 steps (250 resets) in 939 ms. (42 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :188 after 419
BEST_FIRST walk for 40003 steps (207 resets) in 271 ms. (147 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (203 resets) in 269 ms. (148 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (216 resets) in 113 ms. (350 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (295 resets) in 132 ms. (300 steps per ms) remains 10/10 properties
Reachability property FireWire-PT-11-ReachabilityCardinality-2024-12 is true.
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :419 after 2273
BEST_FIRST walk for 40004 steps (215 resets) in 142 ms. (279 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (226 resets) in 200 ms. (199 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (203 resets) in 164 ms. (242 steps per ms) remains 10/10 properties
[2026-05-26 16:42:19] [INFO ] Flow matrix only has 405 transitions (discarded 38 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11895453513482769031.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10245952679289832547.kers'
[2026-05-26 16:42:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11895453513482769031.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10245952679289832547.kers]
Normalized transition count is 404 out of 405 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 404 rows 169 cols 1363 entries
Finished phase 1 with 159 SingleSign rule and 0 generalized
[2026-05-26 16:42:19] [INFO ] Computed 10 invariants in 2 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10245952679289832547.kers
Total runtime 3 ms.
[2026-05-26 16:42:19] [INFO ] State equation strengthened by 58 read => feed constraints.
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :2273 after 6700
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :6700 after 12129
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 111/111 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem FireWire-PT-11-ReachabilityCardinality-2024-11 is UNSAT
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 58/169 variables, 10/121 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 58/179 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 0/179 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 404/573 variables, 169/348 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 57/405 constraints. Problems are: Problem set: 1 solved, 8 unsolved
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :12129 after 71927
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 0/405 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 1/574 variables, 1/406 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/574 variables, 0/406 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 0/574 variables, 0/406 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 574/574 variables, and 406 constraints, problems are : Problem set: 1 solved, 8 unsolved in 1663 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 9/5 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) 0/108 variables, 108/108 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/108 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Problem FireWire-PT-11-ReachabilityCardinality-2024-00 is UNSAT
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-11-ReachabilityCardinality-2024-03 is UNSAT
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem FireWire-PT-11-ReachabilityCardinality-2024-05 is UNSAT
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 61/169 variables, 10/118 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 61/179 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/169 variables, 5/184 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/169 variables, 1/185 constraints. Problems are: Problem set: 4 solved, 5 unsolved
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :71927 after 154493
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 0/185 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 404/573 variables, 169/354 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/573 variables, 57/411 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/573 variables, 3/414 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/573 variables, 0/414 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 1/574 variables, 1/415 constraints. Problems are: Problem set: 4 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/574 variables, 0/415 constraints. Problems are: Problem set: 4 solved, 5 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 574/574 variables, and 415 constraints, problems are : Problem set: 4 solved, 5 unsolved in 5014 ms.
Refiners :[Domain max(s): 169/169 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 169/169 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 7/5 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6927ms problems are : Problem set: 4 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 79 out of 169 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 169/169 places, 443/443 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 169 transition count 440
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 5 place count 167 transition count 436
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 167 transition count 436
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 1 with 2 rules applied. Total rules applied 9 place count 166 transition count 438
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 11 place count 166 transition count 436
SDD proceeding with computation,9 properties remain. new max is 32768
SDD size :154493 after 330542
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 18 place count 166 transition count 429
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 20 place count 166 transition count 430
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 24 place count 164 transition count 428
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 27 place count 164 transition count 425
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 28 place count 164 transition count 425
Applied a total of 28 rules in 181 ms. Remains 164 /169 variables (removed 5) and now considering 425/443 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 164/169 places, 425/443 transitions.
RANDOM walk for 40000 steps (1071 resets) in 412 ms. (96 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (245 resets) in 134 ms. (296 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (233 resets) in 152 ms. (261 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (217 resets) in 80 ms. (493 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (234 resets) in 243 ms. (163 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (220 resets) in 153 ms. (259 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 472220 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :3 out of 5
Probabilistic random walk after 472220 steps, saw 115349 distinct states, run finished after 3010 ms. (steps per millisecond=156 ) properties seen :3
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
[2026-05-26 16:42:30] [INFO ] Flow matrix only has 394 transitions (discarded 31 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16853426193171898856.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17979058569560476335.kers'
[2026-05-26 16:42:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16853426193171898856.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17979058569560476335.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 394 rows 164 cols 1343 entries
Finished phase 1 with 154 SingleSign rule and 0 generalized
[2026-05-26 16:42:30] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17979058569560476335.kers
Total runtime 2 ms.
[2026-05-26 16:42:30] [INFO ] State equation strengthened by 59 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 125/159 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/159 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/162 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 394/556 variables, 162/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/556 variables, 59/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/556 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/558 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/558 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 558/558 variables, and 233 constraints, problems are : Problem set: 0 solved, 2 unsolved in 503 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 164/164 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 125/159 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/159 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/159 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 3/162 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 394/556 variables, 162/174 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/556 variables, 59/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/556 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/556 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/558 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/558 variables, 2/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/558 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/558 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/558 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/558 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 558/558 variables, and 239 constraints, problems are : Problem set: 0 solved, 2 unsolved in 3347 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 164/164 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3882ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 601 ms.
Support contains 34 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 425/425 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 164 transition count 423
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 162 transition count 423
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 6 place count 161 transition count 422
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 7 place count 161 transition count 424
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 10 place count 160 transition count 422
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 12 place count 160 transition count 420
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 160 transition count 420
Applied a total of 14 rules in 93 ms. Remains 160 /164 variables (removed 4) and now considering 420/425 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 160/164 places, 420/425 transitions.
RANDOM walk for 40000 steps (1175 resets) in 232 ms. (171 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (290 resets) in 99 ms. (400 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (265 resets) in 159 ms. (250 steps per ms) remains 2/2 properties
SDD proceeding with computation,9 properties remain. new max is 65536
SDD size :330542 after 709002
Interrupted probabilistic random walk after 538000 steps, run timeout after 3001 ms. (steps per millisecond=179 ) properties seen :0 out of 2
Probabilistic random walk after 538000 steps, saw 131629 distinct states, run finished after 3001 ms. (steps per millisecond=179 ) properties seen :0
[2026-05-26 16:42:38] [INFO ] Flow matrix only has 388 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-5428143905299450925.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16992165900920373928.kers'
[2026-05-26 16:42:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5428143905299450925.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16992165900920373928.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 388 rows 160 cols 1335 entries
Finished phase 1 with 150 SingleSign rule and 0 generalized
[2026-05-26 16:42:38] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16992165900920373928.kers
Total runtime 2 ms.
[2026-05-26 16:42:38] [INFO ] State equation strengthened by 59 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 121/155 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/158 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 388/546 variables, 158/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/546 variables, 59/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/546 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 2/548 variables, 2/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/548 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/548 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 548/548 variables, and 229 constraints, problems are : Problem set: 0 solved, 2 unsolved in 419 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 160/160 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 121/155 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 3/158 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/158 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 388/546 variables, 158/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/546 variables, 59/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/546 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/546 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/548 variables, 2/231 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/548 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/548 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/548 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/548 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/548 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 548/548 variables, and 235 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1883 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 160/160 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2329ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 708 ms.
Support contains 34 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 420/420 transitions.
Applied a total of 0 rules in 18 ms. Remains 160 /160 variables (removed 0) and now considering 420/420 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 160/160 places, 420/420 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 420/420 transitions.
Applied a total of 0 rules in 11 ms. Remains 160 /160 variables (removed 0) and now considering 420/420 (removed 0) transitions.
[2026-05-26 16:42:41] [INFO ] Flow matrix only has 388 transitions (discarded 32 similar events)
[2026-05-26 16:42:41] [INFO ] Invariant cache hit.
[2026-05-26 16:42:41] [INFO ] Implicit Places using invariants in 161 ms returned []
[2026-05-26 16:42:41] [INFO ] Flow matrix only has 388 transitions (discarded 32 similar events)
[2026-05-26 16:42:41] [INFO ] Invariant cache hit.
[2026-05-26 16:42:41] [INFO ] State equation strengthened by 59 read => feed constraints.
[2026-05-26 16:42:41] [INFO ] Implicit Places using invariants and state equation in 483 ms returned [59, 107, 158]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 667 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 157/160 places, 420/420 transitions.
Applied a total of 0 rules in 15 ms. Remains 157 /157 variables (removed 0) and now considering 420/420 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 694 ms. Remains : 157/160 places, 420/420 transitions.
RANDOM walk for 40000 steps (1172 resets) in 186 ms. (213 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (295 resets) in 98 ms. (404 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (277 resets) in 178 ms. (223 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 565148 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :0 out of 2
Probabilistic random walk after 565148 steps, saw 137927 distinct states, run finished after 3001 ms. (steps per millisecond=188 ) properties seen :0
[2026-05-26 16:42:45] [INFO ] Flow matrix only has 388 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-25762557464742823.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15269063331233109249.kers'
[2026-05-26 16:42:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-25762557464742823.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15269063331233109249.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 388 rows 157 cols 1314 entries
Finished phase 1 with 150 SingleSign rule and 0 generalized
[2026-05-26 16:42:45] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15269063331233109249.kers
Total runtime 2 ms.
[2026-05-26 16:42:45] [INFO ] State equation strengthened by 59 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/146 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 3/149 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/149 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 387/536 variables, 149/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/536 variables, 58/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 9/545 variables, 8/222 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/545 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/545 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/545 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 545/545 variables, and 223 constraints, problems are : Problem set: 0 solved, 2 unsolved in 313 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 157/157 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/146 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 3/149 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/149 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 387/536 variables, 149/157 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 58/215 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/536 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 9/545 variables, 8/224 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/545 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/545 variables, 2/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/545 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/545 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/545 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/545 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 545/545 variables, and 228 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2444 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 157/157 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2780ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 286 ms.
Support contains 34 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 420/420 transitions.
Applied a total of 0 rules in 17 ms. Remains 157 /157 variables (removed 0) and now considering 420/420 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 157/157 places, 420/420 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 420/420 transitions.
Applied a total of 0 rules in 10 ms. Remains 157 /157 variables (removed 0) and now considering 420/420 (removed 0) transitions.
[2026-05-26 16:42:48] [INFO ] Flow matrix only has 388 transitions (discarded 32 similar events)
[2026-05-26 16:42:48] [INFO ] Invariant cache hit.
[2026-05-26 16:42:48] [INFO ] Implicit Places using invariants in 112 ms returned []
[2026-05-26 16:42:48] [INFO ] Flow matrix only has 388 transitions (discarded 32 similar events)
[2026-05-26 16:42:48] [INFO ] Invariant cache hit.
[2026-05-26 16:42:48] [INFO ] State equation strengthened by 59 read => feed constraints.
[2026-05-26 16:42:48] [INFO ] Implicit Places using invariants and state equation in 434 ms returned []
Implicit Place search using SMT with State Equation took 549 ms to find 0 implicit places.
[2026-05-26 16:42:48] [INFO ] Redundant transitions in 29 ms returned []
Running 419 sub problems to find dead transitions.
[2026-05-26 16:42:48] [INFO ] Flow matrix only has 388 transitions (discarded 32 similar events)
[2026-05-26 16:42:48] [INFO ] Invariant cache hit.
[2026-05-26 16:42:48] [INFO ] State equation strengthened by 59 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (OVERLAPS) 1/157 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 4 (OVERLAPS) 388/545 variables, 157/171 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/545 variables, 59/230 constraints. Problems are: Problem set: 0 solved, 419 unsolved
SDD proceeding with computation,9 properties remain. new max is 131072
SDD size :709002 after 2.2913e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/545 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 7 (OVERLAPS) 0/545 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 545/545 variables, and 231 constraints, problems are : Problem set: 0 solved, 419 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 157/157 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 419 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 1 (OVERLAPS) 1/157 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 4 (OVERLAPS) 388/545 variables, 157/172 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/545 variables, 59/231 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/545 variables, 419/650 constraints. Problems are: Problem set: 0 solved, 419 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/545 variables, 1/651 constraints. Problems are: Problem set: 0 solved, 419 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 545/545 variables, and 651 constraints, problems are : Problem set: 0 solved, 419 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 157/157 constraints, ReadFeed: 59/59 constraints, PredecessorRefiner: 419/419 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60326ms problems are : Problem set: 0 solved, 419 unsolved
Search for dead transitions found 0 dead transitions in 60339ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60961 ms. Remains : 157/157 places, 420/420 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 82 edges and 157 vertex of which 9 / 157 are part of one of the 3 SCC in 4 ms
Free SCC test removed 6 places
Drop transitions (Empty/Sink Transition effects.) removed 31 transitions
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 79 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 150 transition count 340
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 0 with 36 rules applied. Total rules applied 39 place count 150 transition count 304
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 43 place count 150 transition count 300
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 47 place count 146 transition count 300
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 47 place count 146 transition count 298
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 51 place count 144 transition count 298
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 55 place count 142 transition count 296
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 2 with 5 rules applied. Total rules applied 60 place count 142 transition count 291
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 60 place count 142 transition count 290
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 62 place count 141 transition count 290
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 2 with 2 rules applied. Total rules applied 64 place count 140 transition count 289
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 65 place count 140 transition count 288
Free-agglomeration rule applied 7 times with reduction of 2 identical transitions.
Iterating global reduction 2 with 7 rules applied. Total rules applied 72 place count 140 transition count 279
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 80 place count 133 transition count 278
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 81 place count 133 transition count 277
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 82 place count 133 transition count 276
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 85 place count 132 transition count 274
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 86 place count 132 transition count 274
Applied a total of 86 rules in 152 ms. Remains 132 /157 variables (removed 25) and now considering 274/420 (removed 146) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11523007239379866955.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11890402143806889166.kers'
[2026-05-26 16:43:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11523007239379866955.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11890402143806889166.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 274 rows 132 cols 967 entries
Finished phase 1 with 125 SingleSign rule and 0 generalized
[2026-05-26 16:43:49] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-11890402143806889166.kers
Total runtime 6 ms.
[2026-05-26 16:43:49] [INFO ] After 70ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-26 16:43:49] [INFO ] [Nat]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 16:43:49] [INFO ] After 156ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-26 16:43:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
TRAPS : Iteration 1
[2026-05-26 16:43:49] [INFO ] After 388ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-26 16:43:49] [INFO ] After 516ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2026-05-26 16:43:49] [INFO ] Flatten gal took : 41 ms
[2026-05-26 16:43:49] [INFO ] Flatten gal took : 27 ms
[2026-05-26 16:43:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7027361651946977257.gal : 6 ms
[2026-05-26 16:43:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1206579955772736724.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/ReachabilityCardinality7027361651946977257.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1206579955772736724.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/ReachabilityCardinality1206579955772736724.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 14
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :15 after 31
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :31 after 113
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :113 after 182
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :182 after 991
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :991 after 14491
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :14491 after 19268
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :19268 after 69690
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :69690 after 879821
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :879821 after 1.157e+07
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,2.90257e+08,4.98872,110740,2,7647,18,246455,8,0,856,476148,0
Total reachable state count : 290257286

Verifying 2 reachability properties.
Reachability property FireWire-PT-11-ReachabilityCardinality-2024-01 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-11-ReachabilityCardinality-2024-01,672,4.99545,110740,2,300,18,246455,8,0,873,476148,0
Invariant property FireWire-PT-11-ReachabilityCardinality-2024-02 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-11-ReachabilityCardinality-2024-02,495,5.00222,110740,2,333,18,246455,8,0,898,476148,0
Over-approximation ignoring read arcs solved 0 properties in 5879 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-26 16:43:55] [INFO ] Flatten gal took : 37 ms
[2026-05-26 16:43:55] [INFO ] Applying decomposition
[2026-05-26 16:43:55] [INFO ] Flatten gal took : 32 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/graph13828767648540489980.txt' '-o' '/tmp/graph13828767648540489980.bin' '-w' '/tmp/graph13828767648540489980.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph13828767648540489980.bin' '-l' '-1' '-v' '-w' '/tmp/graph13828767648540489980.weights' '-q' '0' '-e' '0.001'
[2026-05-26 16:43:55] [INFO ] Decomposing Gal with order
[2026-05-26 16:43:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-26 16:43:55] [INFO ] Removed a total of 691 redundant transitions.
[2026-05-26 16:43:55] [INFO ] Flatten gal took : 197 ms
[2026-05-26 16:43:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 122 labels/synchronizations in 37 ms.
[2026-05-26 16:43:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6585575055396608529.gal : 16 ms
[2026-05-26 16:43:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7139260324835344114.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/ReachabilityCardinality6585575055396608529.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7139260324835344114.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 ...307
Loading property file /tmp/ReachabilityCardinality7139260324835344114.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :5 after 21
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :21 after 281
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :281 after 12589
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :12589 after 346841
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :346841 after 618365
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :618365 after 1.90912e+06
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1.90912e+06 after 1.29114e+08
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,1.06894e+09,135.563,1898284,5569,204,2.23384e+06,7103,1037,1.1807e+07,125,66751,0
Total reachable state count : 1068939459

Verifying 2 reachability properties.
Reachability property FireWire-PT-11-ReachabilityCardinality-2024-01 is true.
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-01 TRUE 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-11-ReachabilityCardinality-2024-01,10,137.047,1898284,71,27,2.23384e+06,7103,1067,1.1807e+07,135,66751,6637
Invariant property FireWire-PT-11-ReachabilityCardinality-2024-02 does not hold.
FORMULA FireWire-PT-11-ReachabilityCardinality-2024-02 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-11-ReachabilityCardinality-2024-02,528,137.383,1898284,121,28,2.23384e+06,7103,1159,1.1807e+07,140,66751,37319
All properties solved without resorting to model-checking.
Total runtime 236789 ms.

BK_STOP 1779813973696

--------------------
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-11"
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-11, 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-177955809000230"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-11.tgz
mv FireWire-PT-11 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 ;