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.r018-smll-177946788000118.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 AutonomousCar-PT-08a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788000118
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 904K
-rw-r--r-- 1 mcc users 6.3K Mar 5 16:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 5 16:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 5 16:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 5 16:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 07:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 5 16:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Mar 5 16:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 5 16:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 5 16:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 448K 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 AutonomousCar-PT-08a-ReachabilityCardinality-2024-00
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-01
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-02
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-03
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-04
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-05
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-06
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-07
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-08
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-09
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-10
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-11
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-12
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-13
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-14
FORMULA_NAME AutonomousCar-PT-08a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779497418845

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 00:50:21] [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]
[2026-05-23 00:50:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 00:50:21] [INFO ] Load time of PNML (sax parser for PT used): 302 ms
[2026-05-23 00:50:21] [INFO ] Transformed 81 places.
[2026-05-23 00:50:21] [INFO ] Transformed 849 transitions.
[2026-05-23 00:50:21] [INFO ] Found NUPN structural information;
[2026-05-23 00:50:21] [INFO ] Parsed PT model containing 81 places and 849 transitions and 8894 arcs in 561 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 47 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 275 transitions
Reduce redundant transitions removed 275 transitions.
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 00:50:23] [INFO ] Flatten gal took : 650 ms
RANDOM walk for 40000 steps (2036 resets) in 4810 ms. (8 steps per ms) remains 6/13 properties
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (169 resets) in 423 ms. (94 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (181 resets) in 209 ms. (190 steps per ms) remains 6/6 properties
[2026-05-23 00:50:23] [INFO ] Flatten gal took : 355 ms
BEST_FIRST walk for 40004 steps (190 resets) in 483 ms. (82 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (183 resets) in 205 ms. (194 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (156 resets) in 199 ms. (200 steps per ms) remains 6/6 properties
[2026-05-23 00:50:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5183230887214191932.gal : 193 ms
[2026-05-23 00:50:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18441736908745270357.prop : 7 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/ReachabilityCardinality5183230887214191932.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18441736908745270357.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 40004 steps (152 resets) in 875 ms. (45 steps per ms) remains 6/6 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
[2026-05-23 00:50:24] [INFO ] Flow matrix only has 573 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-395138610077477469.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3486594741376917006.kers'
[2026-05-23 00:50:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-395138610077477469.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3486594741376917006.kers]
Normalized transition count is 572 out of 573 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 572 rows 80 cols 6287 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-23 00:50:24] [INFO ] Computed 13 invariants in 4 ms
Computed 13 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-3486594741376917006.kers
Total runtime 7 ms.
[2026-05-23 00:50:24] [INFO ] State equation strengthened by 259 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality18441736908745270357.prop.
Problem AutonomousCar-PT-08a-ReachabilityCardinality-2024-01 is UNSAT
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :8 after 10
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :10 after 46
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :46 after 58
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :58 after 338
All remaining problems are real, not stopping.
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :338 after 1906
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 61/61 constraints. Problems are: Problem set: 1 solved, 5 unsolved
Problem AutonomousCar-PT-08a-ReachabilityCardinality-2024-15 is UNSAT
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 5/66 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/66 constraints. Problems are: Problem set: 2 solved, 4 unsolved
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :1906 after 11790
Problem AutonomousCar-PT-08a-ReachabilityCardinality-2024-14 is UNSAT
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 20/81 variables, 8/74 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 20/94 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/81 variables, 0/94 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 572/653 variables, 81/175 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/653 variables, 258/433 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/653 variables, 0/433 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 1/654 variables, 1/434 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/654 variables, 0/434 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/654 variables, 0/434 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 654/654 variables, and 434 constraints, problems are : Problem set: 3 solved, 3 unsolved in 1354 ms.
Refiners :[Domain max(s): 81/81 constraints, Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 81/81 constraints, ReadFeed: 259/259 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 40/66 variables, 10/36 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/66 variables, 40/76 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 0/76 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 15/81 variables, 3/79 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/81 variables, 15/94 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 0/94 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 572/653 variables, 81/175 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/653 variables, 258/433 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/653 variables, 5/438 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/653 variables, 0/438 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 1/654 variables, 1/439 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/654 variables, 0/439 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/654 variables, 0/439 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 654/654 variables, and 439 constraints, problems are : Problem set: 3 solved, 3 unsolved in 2243 ms.
Refiners :[Domain max(s): 81/81 constraints, Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 81/81 constraints, ReadFeed: 259/259 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 3851ms problems are : Problem set: 3 solved, 3 unsolved
Parikh walk visited 0 properties in 946 ms.
Support contains 26 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 574/574 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
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 6 rules applied. Total rules applied 6 place count 81 transition count 568
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 10 place count 77 transition count 568
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 16 place count 71 transition count 514
Iterating global reduction 2 with 6 rules applied. Total rules applied 22 place count 71 transition count 514
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 26 place count 69 transition count 512
Free-agglomeration rule applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 31 place count 69 transition count 507
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 2 with 29 rules applied. Total rules applied 60 place count 64 transition count 483
Applied a total of 60 rules in 216 ms. Remains 64 /81 variables (removed 17) and now considering 483/574 (removed 91) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 226 ms. Remains : 64/81 places, 483/574 transitions.
RANDOM walk for 40000 steps (1932 resets) in 746 ms. (53 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (251 resets) in 108 ms. (367 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (148 resets) in 190 ms. (209 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (211 resets) in 112 ms. (354 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 756343 steps, run timeout after 3001 ms. (steps per millisecond=252 ) properties seen :1 out of 3
Probabilistic random walk after 756343 steps, saw 104704 distinct states, run finished after 3019 ms. (steps per millisecond=250 ) properties seen :1
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10920827804141500829.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18035388815520319102.kers'
[2026-05-23 00:50:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10920827804141500829.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18035388815520319102.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 483 rows 63 cols 5821 entries
Finished phase 1 with 51 SingleSign rule and 0 generalized
[2026-05-23 00:50:32] [INFO ] Computed 13 invariants in 5 ms
Computed 13 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-18035388815520319102.kers
Total runtime 7 ms.
[2026-05-23 00:50:32] [INFO ] State equation strengthened by 186 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 32/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/64 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 483/547 variables, 64/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/547 variables, 186/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/547 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/547 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 547/547 variables, and 263 constraints, problems are : Problem set: 0 solved, 2 unsolved in 394 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 64/64 constraints, ReadFeed: 186/186 constraints, PredecessorRefiner: 2/0 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) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 32/55 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 9/64 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 483/547 variables, 64/79 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/547 variables, 186/265 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/547 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/547 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/547 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 547/547 variables, and 267 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1338 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 64/64 constraints, ReadFeed: 186/186 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1787ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 500 ms.
Support contains 23 out of 64 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 64/64 places, 483/483 transitions.
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 64 transition count 482
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 63 transition count 474
Applied a total of 10 rules in 111 ms. Remains 63 /64 variables (removed 1) and now considering 474/483 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 111 ms. Remains : 63/64 places, 474/483 transitions.
RANDOM walk for 40000 steps (1580 resets) in 898 ms. (44 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (158 resets) in 182 ms. (218 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (212 resets) in 118 ms. (336 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 900649 steps, run timeout after 3001 ms. (steps per millisecond=300 ) properties seen :0 out of 2
Probabilistic random walk after 900649 steps, saw 116403 distinct states, run finished after 3001 ms. (steps per millisecond=300 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7970212239655684590.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7052873433586277291.kers'
[2026-05-23 00:50:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7970212239655684590.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7052873433586277291.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 1 ms.
// Phase 1: matrix 474 rows 62 cols 5771 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-23 00:50:38] [INFO ] Computed 13 invariants in 4 ms
Computed 13 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-7052873433586277291.kers
Total runtime 5 ms.
[2026-05-23 00:50:38] [INFO ] State equation strengthened by 178 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 31/54 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/63 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 474/537 variables, 63/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 178/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/537 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/537 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 537/537 variables, and 254 constraints, problems are : Problem set: 0 solved, 2 unsolved in 294 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 63/63 constraints, ReadFeed: 178/178 constraints, PredecessorRefiner: 2/0 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) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 31/54 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/63 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 474/537 variables, 63/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 178/254 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/537 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/537 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/537 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 537/537 variables, and 255 constraints, problems are : Problem set: 0 solved, 2 unsolved in 581 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 63/63 constraints, ReadFeed: 178/178 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 903ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 931 ms.
Support contains 23 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 474/474 transitions.
Applied a total of 0 rules in 38 ms. Remains 63 /63 variables (removed 0) and now considering 474/474 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 63/63 places, 474/474 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 474/474 transitions.
Applied a total of 0 rules in 34 ms. Remains 63 /63 variables (removed 0) and now considering 474/474 (removed 0) transitions.
[2026-05-23 00:50:40] [INFO ] Invariant cache hit.
[2026-05-23 00:50:40] [INFO ] Implicit Places using invariants in 295 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 317 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 62/63 places, 474/474 transitions.
Applied a total of 0 rules in 37 ms. Remains 62 /62 variables (removed 0) and now considering 474/474 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 389 ms. Remains : 62/63 places, 474/474 transitions.
RANDOM walk for 40000 steps (1623 resets) in 719 ms. (55 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (155 resets) in 141 ms. (281 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (204 resets) in 88 ms. (449 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1012260 steps, run timeout after 3001 ms. (steps per millisecond=337 ) properties seen :0 out of 2
Probabilistic random walk after 1012260 steps, saw 128678 distinct states, run finished after 3001 ms. (steps per millisecond=337 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7339789049685167201.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12795445698977578802.kers'
[2026-05-23 00:50:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7339789049685167201.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12795445698977578802.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 474 rows 62 cols 5771 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-23 00:50:44] [INFO ] Computed 12 invariants in 3 ms
Computed 12 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12795445698977578802.kers
Total runtime 4 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 31/54 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/62 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 474/536 variables, 62/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/536 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/536 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 536/536 variables, and 74 constraints, problems are : Problem set: 0 solved, 2 unsolved in 247 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 2/0 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) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 31/54 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/54 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 8/62 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 474/536 variables, 62/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 6/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/536 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 536/536 variables, and 82 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1725 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 62/62 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 1995ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 710 ms.
Support contains 23 out of 62 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 474/474 transitions.
Applied a total of 0 rules in 44 ms. Remains 62 /62 variables (removed 0) and now considering 474/474 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 62/62 places, 474/474 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 62/62 places, 474/474 transitions.
Applied a total of 0 rules in 33 ms. Remains 62 /62 variables (removed 0) and now considering 474/474 (removed 0) transitions.
[2026-05-23 00:50:46] [INFO ] Invariant cache hit.
[2026-05-23 00:50:47] [INFO ] Implicit Places using invariants in 153 ms returned []
[2026-05-23 00:50:47] [INFO ] Invariant cache hit.
[2026-05-23 00:50:47] [INFO ] Implicit Places using invariants and state equation in 335 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 493 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 61/62 places, 474/474 transitions.
Applied a total of 0 rules in 34 ms. Remains 61 /61 variables (removed 0) and now considering 474/474 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 561 ms. Remains : 61/62 places, 474/474 transitions.
RANDOM walk for 40000 steps (1592 resets) in 694 ms. (57 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (140 resets) in 207 ms. (192 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (206 resets) in 108 ms. (367 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 925198 steps, run timeout after 3001 ms. (steps per millisecond=308 ) properties seen :0 out of 2
Probabilistic random walk after 925198 steps, saw 119078 distinct states, run finished after 3003 ms. (steps per millisecond=308 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13118357052692886210.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10432420214935244635.kers'
[2026-05-23 00:50:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13118357052692886210.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10432420214935244635.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 474 rows 61 cols 5767 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-23 00:50:50] [INFO ] Computed 11 invariants in 3 ms
Computed 11 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-10432420214935244635.kers
Total runtime 6 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 29/52 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/60 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 474/534 variables, 60/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/534 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 1/535 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/535 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/535 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 535/535 variables, and 72 constraints, problems are : Problem set: 0 solved, 2 unsolved in 346 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 61/61 constraints, PredecessorRefiner: 2/0 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) 0/23 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 29/52 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/52 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 8/60 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 474/534 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/534 variables, 2/74 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/534 variables, 2/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/534 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/535 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/535 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/535 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 535/535 variables, and 77 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1058 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 61/61 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 1438ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 438 ms.
Support contains 23 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 474/474 transitions.
Applied a total of 0 rules in 20 ms. Remains 61 /61 variables (removed 0) and now considering 474/474 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 61/61 places, 474/474 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 474/474 transitions.
Applied a total of 0 rules in 20 ms. Remains 61 /61 variables (removed 0) and now considering 474/474 (removed 0) transitions.
[2026-05-23 00:50:52] [INFO ] Invariant cache hit.
[2026-05-23 00:50:52] [INFO ] Implicit Places using invariants in 165 ms returned []
[2026-05-23 00:50:52] [INFO ] Invariant cache hit.
[2026-05-23 00:50:53] [INFO ] Implicit Places using invariants and state equation in 277 ms returned []
Implicit Place search using SMT with State Equation took 446 ms to find 0 implicit places.
[2026-05-23 00:50:53] [INFO ] Redundant transitions in 57 ms returned []
Running 473 sub problems to find dead transitions.
[2026-05-23 00:50:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 1 (OVERLAPS) 2/60 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 473 unsolved
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :11790 after 6.52237e+06
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 4 (OVERLAPS) 474/534 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/534 variables, 5/77 constraints. Problems are: Problem set: 0 solved, 473 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 534/535 variables, and 79 constraints, problems are : Problem set: 0 solved, 473 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 60/61 constraints, PredecessorRefiner: 473/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 7/7 constraints]
Escalating to Integer solving :Problem set: 0 solved, 473 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 1 (OVERLAPS) 2/60 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 4 (OVERLAPS) 474/534 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/534 variables, 37/109 constraints. Problems are: Problem set: 0 solved, 473 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/534 variables, 7/116 constraints. Problems are: Problem set: 0 solved, 473 unsolved
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :6.52237e+06 after 6.66572e+06
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 534/535 variables, and 116 constraints, problems are : Problem set: 0 solved, 473 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 60/61 constraints, PredecessorRefiner: 471/39 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 7/7 constraints]
After SMT, in 61134ms problems are : Problem set: 0 solved, 473 unsolved
Search for dead transitions found 0 dead transitions in 61147ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61714 ms. Remains : 61/61 places, 474/474 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-23 00:51:54] [INFO ] Flatten gal took : 87 ms
[2026-05-23 00:51:54] [INFO ] Applying decomposition
[2026-05-23 00:51:54] [INFO ] Flatten gal took : 85 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/graph18254899433760896910.txt' '-o' '/tmp/graph18254899433760896910.bin' '-w' '/tmp/graph18254899433760896910.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph18254899433760896910.bin' '-l' '-1' '-v' '-w' '/tmp/graph18254899433760896910.weights' '-q' '0' '-e' '0.001'
[2026-05-23 00:51:55] [INFO ] Decomposing Gal with order
[2026-05-23 00:51:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 00:51:55] [INFO ] Removed a total of 2960 redundant transitions.
[2026-05-23 00:51:55] [INFO ] Flatten gal took : 290 ms
[2026-05-23 00:51:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 40 labels/synchronizations in 74 ms.
[2026-05-23 00:51:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15472578114065481889.gal : 17 ms
[2026-05-23 00:51:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14789832318815891341.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/ReachabilityCardinality15472578114065481889.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14789832318815891341.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/ReachabilityCardinality14789832318815891341.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :2 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 5647
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :5647 after 5711
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :5711 after 5.49484e+06
Invariant property AutonomousCar-PT-08a-ReachabilityCardinality-2024-11 does not hold.
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Invariant property AutonomousCar-PT-08a-ReachabilityCardinality-2024-08 does not hold.
FORMULA AutonomousCar-PT-08a-ReachabilityCardinality-2024-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 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\_mod\_flat,2.05852e+08,424.918,7011200,8331,141,2.32969e+06,2332,987,8.83339e+07,81,18404,0
Total reachable state count : 205851569

Verifying 2 reachability properties.
Invariant property AutonomousCar-PT-08a-ReachabilityCardinality-2024-08 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
AutonomousCar-PT-08a-ReachabilityCardinality-2024-08,14406,425.812,7011200,139,25,2.32969e+06,2332,1059,8.83339e+07,94,18404,0
Invariant property AutonomousCar-PT-08a-ReachabilityCardinality-2024-11 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
AutonomousCar-PT-08a-ReachabilityCardinality-2024-11,16807,426.232,7011200,170,27,2.32969e+06,2332,1085,8.83339e+07,94,18404,0
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 522225 ms.

BK_STOP 1779497943616

--------------------
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="AutonomousCar-PT-08a"
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 AutonomousCar-PT-08a, 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 r018-smll-177946788000118"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-08a.tgz
mv AutonomousCar-PT-08a 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 ;