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.r034-tall-177946841900366.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 BugTracking-PT-q3m064, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841900366
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.5K Mar 5 17:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 5 17:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 5 17:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 5 17:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.9K Mar 15 07:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 5 17:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Mar 5 17:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 5 17:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 5 17:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 07:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 16M 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 BugTracking-PT-q3m064-ReachabilityCardinality-2024-00
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-01
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-02
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-03
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-04
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-05
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-06
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-07
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-08
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-09
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-10
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-11
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-12
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-13
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-14
FORMULA_NAME BugTracking-PT-q3m064-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779589426465

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q3m064
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 02:23:47] [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]
[2026-05-24 02:23:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 02:23:48] [INFO ] Load time of PNML (sax parser for PT used): 786 ms
[2026-05-24 02:23:48] [INFO ] Transformed 754 places.
[2026-05-24 02:23:48] [INFO ] Transformed 27370 transitions.
[2026-05-24 02:23:48] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 964 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 514 places in 104 ms
Reduce places removed 514 places and 24601 transitions.
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40081 steps (43 resets) in 2447 ms. (16 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 306 ms. (130 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40001 steps (8 resets) in 246 ms. (161 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 301 ms. (132 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 246 ms. (161 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 5/5 properties
[2026-05-24 02:23:50] [INFO ] Flatten gal took : 519 ms
[2026-05-24 02:23:50] [INFO ] Flatten gal took : 187 ms
[2026-05-24 02:23:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11472990297006234608.gal : 111 ms
[2026-05-24 02:23:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16629646980795090717.prop : 2 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/ReachabilityCardinality11472990297006234608.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16629646980795090717.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 ...330
Loading property file /tmp/ReachabilityCardinality16629646980795090717.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :4 after 10
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :10 after 20
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :20 after 56
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :56 after 165
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :165 after 680
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :680 after 3654
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :3654 after 23426
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :23426 after 1.47047e+07
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :1.47047e+07 after 6.38073e+07
Interrupted probabilistic random walk after 132878 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :0 out of 5
Probabilistic random walk after 132878 steps, saw 66365 distinct states, run finished after 3006 ms. (steps per millisecond=44 ) properties seen :0
[2026-05-24 02:23:53] [INFO ] Flow matrix only has 2642 transitions (discarded 127 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5044468116867279114.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17456964849399548719.kers'
[2026-05-24 02:23:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5044468116867279114.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17456964849399548719.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2642 rows 240 cols 12480 entries
Finished phase 1 with 230 SingleSign rule and 0 generalized
[2026-05-24 02:23:53] [INFO ] Computed 10 invariants in 8 ms
Computed 10 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-17456964849399548719.kers
Total runtime 12 ms.
[2026-05-24 02:23:53] [INFO ] State equation strengthened by 255 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem BugTracking-PT-q3m064-ReachabilityCardinality-2024-05 is UNSAT
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 99/111 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2410/2521 variables, 111/116 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2521 variables, 41/157 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2521 variables, 0/157 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 353/2874 variables, 122/279 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2874 variables, 2/281 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2874 variables, 214/495 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2874 variables, 0/495 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 7/2881 variables, 3/498 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2881 variables, 5/503 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2881 variables, 0/503 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 1/2882 variables, 2/505 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2882 variables, 0/505 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 0/2882 variables, 0/505 constraints. Problems are: Problem set: 1 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2882/2882 variables, and 505 constraints, problems are : Problem set: 1 solved, 4 unsolved in 2000 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 240/240 constraints, ReadFeed: 255/255 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 81/92 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/92 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 2180/2272 variables, 92/96 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2272 variables, 39/135 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2272 variables, 0/135 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 586/2858 variables, 127/262 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2858 variables, 3/265 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2858 variables, 215/480 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2858 variables, 4/484 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2858 variables, 2/486 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2858 variables, 2/488 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2858 variables, 1/489 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2858 variables, 0/489 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Problem BugTracking-PT-q3m064-ReachabilityCardinality-2024-09 is UNSAT
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 14 (OVERLAPS) 10/2868 variables, 3/492 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2868 variables, 5/497 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2868 variables, 2/499 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2868 variables, 0/499 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 14/2882 variables, 16/515 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/2882 variables, 1/516 constraints. Problems are: Problem set: 2 solved, 3 unsolved
SMT process timed out in 7247ms, After SMT, problems are : Problem set: 2 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :6.38073e+07 after 1.61965e+08
Parikh walk visited 0 properties in 5608 ms.
Support contains 9 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 2769/2769 transitions.
Graph (complete) has 3422 edges and 240 vertex of which 238 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.8 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 237 transition count 2750
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 237 transition count 2750
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 235 transition count 2753
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 12 place count 235 transition count 2748
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 17 place count 230 transition count 2748
Applied a total of 17 rules in 266 ms. Remains 230 /240 variables (removed 10) and now considering 2748/2769 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 272 ms. Remains : 230/240 places, 2748/2769 transitions.
RANDOM walk for 40120 steps (8 resets) in 308 ms. (129 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 325 ms. (122 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 207 ms. (192 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 124802 steps, run timeout after 3001 ms. (steps per millisecond=41 ) properties seen :0 out of 3
Probabilistic random walk after 124802 steps, saw 86400 distinct states, run finished after 3001 ms. (steps per millisecond=41 ) properties seen :0
[2026-05-24 02:24:09] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2681884066997637265.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16317472115335808962.kers'
[2026-05-24 02:24:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2681884066997637265.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16317472115335808962.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2619 rows 230 cols 12399 entries
Finished phase 1 with 222 SingleSign rule and 0 generalized
[2026-05-24 02:24:09] [INFO ] Computed 8 invariants in 8 ms
Computed 8 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-16317472115335808962.kers
Total runtime 12 ms.
[2026-05-24 02:24:09] [INFO ] State equation strengthened by 241 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 80/89 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 2157/2246 variables, 89/93 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2246 variables, 35/128 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2246 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 586/2832 variables, 125/253 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2832 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2832 variables, 205/461 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2832 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 3/2835 variables, 1/462 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2835 variables, 1/463 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2835 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 14/2849 variables, 15/478 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2849 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2849 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/2849 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2849/2849 variables, and 479 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1950 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 230/230 constraints, ReadFeed: 241/241 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 80/89 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/89 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 2157/2246 variables, 89/93 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2246 variables, 35/128 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2246 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 586/2832 variables, 125/253 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2832 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2832 variables, 205/461 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2832 variables, 3/464 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2832 variables, 10/474 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2832 variables, 0/474 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 3/2835 variables, 1/475 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2835 variables, 1/476 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2835 variables, 2/478 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2835 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 14/2849 variables, 15/493 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2849 variables, 1/494 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/2849 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 0/2849 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2849/2849 variables, and 494 constraints, problems are : Problem set: 0 solved, 3 unsolved in 6719 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 230/230 constraints, ReadFeed: 241/241 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8750ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1667 ms.
Support contains 9 out of 230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 46 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 230/230 places, 2748/2748 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 230/230 places, 2748/2748 transitions.
Applied a total of 0 rules in 43 ms. Remains 230 /230 variables (removed 0) and now considering 2748/2748 (removed 0) transitions.
[2026-05-24 02:24:20] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2026-05-24 02:24:20] [INFO ] Invariant cache hit.
[2026-05-24 02:24:20] [INFO ] Implicit Places using invariants in 273 ms returned []
[2026-05-24 02:24:20] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2026-05-24 02:24:20] [INFO ] Invariant cache hit.
[2026-05-24 02:24:20] [INFO ] State equation strengthened by 241 read => feed constraints.
[2026-05-24 02:24:23] [INFO ] Implicit Places using invariants and state equation in 3597 ms returned []
Implicit Place search using SMT with State Equation took 3910 ms to find 0 implicit places.
[2026-05-24 02:24:24] [INFO ] Redundant transitions in 325 ms returned []
Running 2747 sub problems to find dead transitions.
[2026-05-24 02:24:24] [INFO ] Flow matrix only has 2619 transitions (discarded 129 similar events)
[2026-05-24 02:24:24] [INFO ] Invariant cache hit.
[2026-05-24 02:24:24] [INFO ] State equation strengthened by 241 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
At refinement iteration 0 (INCLUDED_ONLY) 0/230 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2747 unsolved
Problem TDEAD174 is UNSAT
Problem TDEAD175 is UNSAT
Problem TDEAD176 is UNSAT
Problem TDEAD177 is UNSAT
Problem TDEAD178 is UNSAT
Problem TDEAD182 is UNSAT
Problem TDEAD183 is UNSAT
Problem TDEAD184 is UNSAT
Problem TDEAD1446 is UNSAT
Problem TDEAD1447 is UNSAT
Problem TDEAD1448 is UNSAT
Problem TDEAD1449 is UNSAT
Problem TDEAD1450 is UNSAT
Problem TDEAD1451 is UNSAT
Problem TDEAD1452 is UNSAT
Problem TDEAD1453 is UNSAT
Problem TDEAD1454 is UNSAT
Problem TDEAD1455 is UNSAT
Problem TDEAD1456 is UNSAT
Problem TDEAD1457 is UNSAT
Problem TDEAD1458 is UNSAT
Problem TDEAD1459 is UNSAT
Problem TDEAD1460 is UNSAT
Problem TDEAD1461 is UNSAT
Problem TDEAD1462 is UNSAT
Problem TDEAD1463 is UNSAT
Problem TDEAD1469 is UNSAT
Problem TDEAD1470 is UNSAT
Problem TDEAD1471 is UNSAT
Problem TDEAD1472 is UNSAT
Problem TDEAD1473 is UNSAT
Problem TDEAD1474 is UNSAT
Problem TDEAD1475 is UNSAT
Problem TDEAD1480 is UNSAT
Problem TDEAD1481 is UNSAT
Problem TDEAD1482 is UNSAT
Problem TDEAD1483 is UNSAT
Problem TDEAD1484 is UNSAT
Problem TDEAD1485 is UNSAT
Problem TDEAD1486 is UNSAT
Problem TDEAD1487 is UNSAT
Problem TDEAD1488 is UNSAT
Problem TDEAD1489 is UNSAT
Problem TDEAD1490 is UNSAT
Problem TDEAD1493 is UNSAT
Problem TDEAD1494 is UNSAT
Problem TDEAD1495 is UNSAT
Problem TDEAD1496 is UNSAT
Problem TDEAD1498 is UNSAT
Problem TDEAD1499 is UNSAT
Problem TDEAD1502 is UNSAT
Problem TDEAD1503 is UNSAT
Problem TDEAD1504 is UNSAT
Problem TDEAD1505 is UNSAT
Problem TDEAD1508 is UNSAT
Problem TDEAD1509 is UNSAT
Problem TDEAD1510 is UNSAT
Problem TDEAD1511 is UNSAT
Problem TDEAD1514 is UNSAT
Problem TDEAD1515 is UNSAT
Problem TDEAD1516 is UNSAT
Problem TDEAD1517 is UNSAT
Problem TDEAD1519 is UNSAT
Problem TDEAD1520 is UNSAT
Problem TDEAD1523 is UNSAT
Problem TDEAD1524 is UNSAT
Problem TDEAD1525 is UNSAT
Problem TDEAD1526 is UNSAT
Problem TDEAD1529 is UNSAT
Problem TDEAD1530 is UNSAT
Problem TDEAD1531 is UNSAT
Problem TDEAD1532 is UNSAT
Problem TDEAD1575 is UNSAT
Problem TDEAD1576 is UNSAT
Problem TDEAD1577 is UNSAT
Problem TDEAD1578 is UNSAT
Problem TDEAD1579 is UNSAT
Problem TDEAD1580 is UNSAT
Problem TDEAD1581 is UNSAT
Problem TDEAD1582 is UNSAT
Problem TDEAD1583 is UNSAT
Problem TDEAD1584 is UNSAT
Problem TDEAD1585 is UNSAT
Problem TDEAD1586 is UNSAT
Problem TDEAD1587 is UNSAT
Problem TDEAD1588 is UNSAT
Problem TDEAD1589 is UNSAT
Problem TDEAD1590 is UNSAT
Problem TDEAD1591 is UNSAT
Problem TDEAD1592 is UNSAT
Problem TDEAD1593 is UNSAT
Problem TDEAD1594 is UNSAT
Problem TDEAD1595 is UNSAT
Problem TDEAD1596 is UNSAT
Problem TDEAD1597 is UNSAT
Problem TDEAD1598 is UNSAT
Problem TDEAD1599 is UNSAT
Problem TDEAD1600 is UNSAT
Problem TDEAD1601 is UNSAT
Problem TDEAD1602 is UNSAT
Problem TDEAD1603 is UNSAT
Problem TDEAD1604 is UNSAT
Problem TDEAD1605 is UNSAT
Problem TDEAD1606 is UNSAT
Problem TDEAD1607 is UNSAT
Problem TDEAD1608 is UNSAT
Problem TDEAD1609 is UNSAT
Problem TDEAD1610 is UNSAT
Problem TDEAD1611 is UNSAT
Problem TDEAD1612 is UNSAT
Problem TDEAD1613 is UNSAT
Problem TDEAD1614 is UNSAT
Problem TDEAD1615 is UNSAT
Problem TDEAD1616 is UNSAT
Problem TDEAD1617 is UNSAT
Problem TDEAD1618 is UNSAT
Problem TDEAD1619 is UNSAT
Problem TDEAD1620 is UNSAT
Problem TDEAD1621 is UNSAT
Problem TDEAD1622 is UNSAT
Problem TDEAD1623 is UNSAT
Problem TDEAD1624 is UNSAT
Problem TDEAD1625 is UNSAT
Problem TDEAD1626 is UNSAT
Problem TDEAD1627 is UNSAT
Problem TDEAD1628 is UNSAT
Problem TDEAD1629 is UNSAT
Problem TDEAD1630 is UNSAT
Problem TDEAD1631 is UNSAT
Problem TDEAD1632 is UNSAT
Problem TDEAD1633 is UNSAT
Problem TDEAD1634 is UNSAT
Problem TDEAD1635 is UNSAT
Problem TDEAD1636 is UNSAT
Problem TDEAD1637 is UNSAT
Problem TDEAD1638 is UNSAT
Problem TDEAD1639 is UNSAT
Problem TDEAD1640 is UNSAT
Problem TDEAD1641 is UNSAT
Problem TDEAD1642 is UNSAT
Problem TDEAD1643 is UNSAT
Problem TDEAD1644 is UNSAT
Problem TDEAD1645 is UNSAT
Problem TDEAD1646 is UNSAT
Problem TDEAD1647 is UNSAT
Problem TDEAD1648 is UNSAT
Problem TDEAD1649 is UNSAT
Problem TDEAD1650 is UNSAT
Problem TDEAD1651 is UNSAT
Problem TDEAD1652 is UNSAT
Problem TDEAD1653 is UNSAT
Problem TDEAD1654 is UNSAT
Problem TDEAD1655 is UNSAT
Problem TDEAD1656 is UNSAT
Problem TDEAD1657 is UNSAT
Problem TDEAD1658 is UNSAT
Problem TDEAD1729 is UNSAT
Problem TDEAD1730 is UNSAT
Problem TDEAD1731 is UNSAT
Problem TDEAD1732 is UNSAT
Problem TDEAD1733 is UNSAT
Problem TDEAD1734 is UNSAT
Problem TDEAD1735 is UNSAT
Problem TDEAD1736 is UNSAT
Problem TDEAD1737 is UNSAT
Problem TDEAD1738 is UNSAT
Problem TDEAD1739 is UNSAT
Problem TDEAD1740 is UNSAT
Problem TDEAD1741 is UNSAT
Problem TDEAD1742 is UNSAT
Problem TDEAD1743 is UNSAT
Problem TDEAD1744 is UNSAT
Problem TDEAD1745 is UNSAT
Problem TDEAD1746 is UNSAT
Problem TDEAD1747 is UNSAT
Problem TDEAD1748 is UNSAT
Problem TDEAD1749 is UNSAT
Problem TDEAD1750 is UNSAT
Problem TDEAD1751 is UNSAT
Problem TDEAD1752 is UNSAT
Problem TDEAD1753 is UNSAT
Problem TDEAD1754 is UNSAT
Problem TDEAD1755 is UNSAT
Problem TDEAD1756 is UNSAT
Problem TDEAD1760 is UNSAT
Problem TDEAD1761 is UNSAT
Problem TDEAD1762 is UNSAT
Problem TDEAD1763 is UNSAT
Problem TDEAD1764 is UNSAT
Problem TDEAD1765 is UNSAT
Problem TDEAD1766 is UNSAT
Problem TDEAD1767 is UNSAT
Problem TDEAD1768 is UNSAT
Problem TDEAD1769 is UNSAT
Problem TDEAD1770 is UNSAT
Problem TDEAD1771 is UNSAT
Problem TDEAD1772 is UNSAT
Problem TDEAD1773 is UNSAT
Problem TDEAD1776 is UNSAT
Problem TDEAD1777 is UNSAT
Problem TDEAD1779 is UNSAT
Problem TDEAD1780 is UNSAT
Problem TDEAD1781 is UNSAT
Problem TDEAD1782 is UNSAT
Problem TDEAD1783 is UNSAT
Problem TDEAD1784 is UNSAT
Problem TDEAD1785 is UNSAT
Problem TDEAD1786 is UNSAT
Problem TDEAD1787 is UNSAT
Problem TDEAD1788 is UNSAT
Problem TDEAD1789 is UNSAT
Problem TDEAD1793 is UNSAT
Problem TDEAD1794 is UNSAT
Problem TDEAD1795 is UNSAT
Problem TDEAD1796 is UNSAT
Problem TDEAD1798 is UNSAT
Problem TDEAD1799 is UNSAT
Problem TDEAD1803 is UNSAT
Problem TDEAD1804 is UNSAT
Problem TDEAD1805 is UNSAT
Problem TDEAD1806 is UNSAT
Problem TDEAD1807 is UNSAT
Problem TDEAD1808 is UNSAT
Problem TDEAD1809 is UNSAT
Problem TDEAD1810 is UNSAT
Problem TDEAD1811 is UNSAT
Problem TDEAD1814 is UNSAT
Problem TDEAD1815 is UNSAT
Problem TDEAD1817 is UNSAT
Problem TDEAD1818 is UNSAT
Problem TDEAD1819 is UNSAT
Problem TDEAD1820 is UNSAT
Problem TDEAD1821 is UNSAT
Problem TDEAD1822 is UNSAT
Problem TDEAD1823 is UNSAT
Problem TDEAD1824 is UNSAT
Problem TDEAD1825 is UNSAT
Problem TDEAD1826 is UNSAT
Problem TDEAD1827 is UNSAT
Problem TDEAD1828 is UNSAT
Problem TDEAD1829 is UNSAT
Problem TDEAD1830 is UNSAT
Problem TDEAD1831 is UNSAT
Problem TDEAD1832 is UNSAT
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :1.61965e+08 after 3.58231e+08
Problem TDEAD2696 is UNSAT
Problem TDEAD2710 is UNSAT
Problem TDEAD2711 is UNSAT
Problem TDEAD2721 is UNSAT
Problem TDEAD2722 is UNSAT
Problem TDEAD2733 is UNSAT
Problem TDEAD2734 is UNSAT
Problem TDEAD2744 is UNSAT
Problem TDEAD2745 is UNSAT
Problem TDEAD167 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/230 variables, 10/18 constraints. Problems are: Problem set: 254 solved, 2493 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 230/2849 variables, and 18 constraints, problems are : Problem set: 254 solved, 2493 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 0/230 constraints, ReadFeed: 0/241 constraints, PredecessorRefiner: 2747/1185 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 254 solved, 2493 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/222 variables, 7/7 constraints. Problems are: Problem set: 254 solved, 2493 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/222 variables, 10/17 constraints. Problems are: Problem set: 254 solved, 2493 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/17 constraints. Problems are: Problem set: 254 solved, 2493 unsolved
At refinement iteration 3 (OVERLAPS) 8/230 variables, 1/18 constraints. Problems are: Problem set: 254 solved, 2493 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 230/2849 variables, and 18 constraints, problems are : Problem set: 254 solved, 2493 unsolved in 30058 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 0/230 constraints, ReadFeed: 0/241 constraints, PredecessorRefiner: 1562/1185 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65152ms problems are : Problem set: 254 solved, 2493 unsolved
Search for dead transitions found 254 dead transitions in 65173ms
Found 254 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 254 transitions
Dead transitions reduction (with SMT) removed 254 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 230/230 places, 2494/2748 transitions.
Graph (complete) has 3015 edges and 230 vertex of which 222 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.2 ms
Discarding 8 places :
Also discarding 0 output transitions
Reduce places removed 29 places and 650 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 193 transition count 1844
Reduce places removed 14 places and 271 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 44 place count 179 transition count 1573
Reduce places removed 10 places and 174 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 54 place count 169 transition count 1399
Reduce places removed 8 places and 119 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 62 place count 161 transition count 1280
Reduce places removed 1 places and 17 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 63 place count 160 transition count 1263
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 66 place count 157 transition count 1221
Deduced a syphon composed of 19 places in 11 ms
Reduce places removed 16 places and 270 transitions.
Iterating global reduction 5 with 19 rules applied. Total rules applied 85 place count 141 transition count 951
Deduced a syphon composed of 3 places in 1 ms
Applied a total of 85 rules in 57 ms. Remains 141 /230 variables (removed 89) and now considering 951/2494 (removed 1543) transitions.
[2026-05-24 02:25:29] [INFO ] Flow matrix only has 903 transitions (discarded 48 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11481580792402564389.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6741861010863523159.kers'
[2026-05-24 02:25:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11481580792402564389.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6741861010863523159.kers]
Culling trivial invariants: removing 3 columns.
Culled 3 columns in 4 ms.
// Phase 1: matrix 903 rows 138 cols 4160 entries
Finished phase 1 with 131 SingleSign rule and 0 generalized
[2026-05-24 02:25:29] [INFO ] Computed 10 invariants in 6 ms
Computed 10 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-6741861010863523159.kers
Total runtime 7 ms.
[2026-05-24 02:25:29] [INFO ] Implicit Places using invariants in 156 ms returned []
[2026-05-24 02:25:29] [INFO ] Flow matrix only has 903 transitions (discarded 48 similar events)
[2026-05-24 02:25:29] [INFO ] Invariant cache hit.
[2026-05-24 02:25:29] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-24 02:25:30] [INFO ] Implicit Places using invariants and state equation in 832 ms returned []
Implicit Place search using SMT with State Equation took 991 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 141/230 places, 951/2748 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 70543 ms. Remains : 141/230 places, 951/2748 transitions.
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40086 steps (8 resets) in 74 ms. (534 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 131 ms. (303 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 255622 steps, run timeout after 3001 ms. (steps per millisecond=85 ) properties seen :0 out of 2
Probabilistic random walk after 255622 steps, saw 176951 distinct states, run finished after 3001 ms. (steps per millisecond=85 ) properties seen :0
[2026-05-24 02:25:33] [INFO ] Flow matrix only has 903 transitions (discarded 48 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10083401934602399218.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12461973620280385509.kers'
[2026-05-24 02:25:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10083401934602399218.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12461973620280385509.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 903 rows 138 cols 4160 entries
Finished phase 1 with 131 SingleSign rule and 0 generalized
[2026-05-24 02:25:33] [INFO ] Computed 7 invariants in 2 ms
Computed 7 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-12461973620280385509.kers
Total runtime 4 ms.
[2026-05-24 02:25:33] [INFO ] State equation strengthened by 112 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 22/25 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 379/404 variables, 25/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/404 variables, 18/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/404 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 299/703 variables, 51/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/703 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/703 variables, 42/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/703 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 2/705 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/705 variables, 2/143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/705 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 324/1029 variables, 48/191 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1029 variables, 2/193 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1029 variables, 52/245 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1029 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 12/1041 variables, 12/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1041 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/1041 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1041/1041 variables, and 257 constraints, problems are : Problem set: 0 solved, 2 unsolved in 387 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 138/138 constraints, ReadFeed: 112/112 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 22/25 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 379/404 variables, 25/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/404 variables, 18/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/404 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 299/703 variables, 51/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/703 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/703 variables, 42/140 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/703 variables, 2/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/703 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 2/705 variables, 1/143 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/705 variables, 2/145 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/705 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 324/1029 variables, 48/193 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1029 variables, 2/195 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1029 variables, 52/247 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1029 variables, 1/248 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1029 variables, 3/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1029 variables, 0/251 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 12/1041 variables, 12/263 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1041 variables, 4/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1041 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (OVERLAPS) 0/1041 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1041/1041 variables, and 267 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2240 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 138/138 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2658ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1054 ms.
Support contains 3 out of 138 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 138/138 places, 951/951 transitions.
Applied a total of 0 rules in 34 ms. Remains 138 /138 variables (removed 0) and now considering 951/951 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 138/138 places, 951/951 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 138/138 places, 951/951 transitions.
Applied a total of 0 rules in 25 ms. Remains 138 /138 variables (removed 0) and now considering 951/951 (removed 0) transitions.
[2026-05-24 02:25:37] [INFO ] Flow matrix only has 903 transitions (discarded 48 similar events)
[2026-05-24 02:25:37] [INFO ] Invariant cache hit.
[2026-05-24 02:25:37] [INFO ] Implicit Places using invariants in 164 ms returned []
[2026-05-24 02:25:37] [INFO ] Flow matrix only has 903 transitions (discarded 48 similar events)
[2026-05-24 02:25:37] [INFO ] Invariant cache hit.
[2026-05-24 02:25:37] [INFO ] State equation strengthened by 112 read => feed constraints.
[2026-05-24 02:25:38] [INFO ] Implicit Places using invariants and state equation in 1159 ms returned []
Implicit Place search using SMT with State Equation took 1328 ms to find 0 implicit places.
[2026-05-24 02:25:38] [INFO ] Redundant transitions in 36 ms returned []
Running 950 sub problems to find dead transitions.
[2026-05-24 02:25:38] [INFO ] Flow matrix only has 903 transitions (discarded 48 similar events)
[2026-05-24 02:25:38] [INFO ] Invariant cache hit.
[2026-05-24 02:25:38] [INFO ] State equation strengthened by 112 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 950 unsolved
Problem TDEAD347 is UNSAT
Problem TDEAD348 is UNSAT
Problem TDEAD349 is UNSAT
Problem TDEAD350 is UNSAT
Problem TDEAD352 is UNSAT
Problem TDEAD353 is UNSAT
Problem TDEAD357 is UNSAT
Problem TDEAD358 is UNSAT
Problem TDEAD359 is UNSAT
Problem TDEAD360 is UNSAT
Problem TDEAD361 is UNSAT
Problem TDEAD362 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD366 is UNSAT
Problem TDEAD367 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD371 is UNSAT
Problem TDEAD372 is UNSAT
Problem TDEAD373 is UNSAT
Problem TDEAD374 is UNSAT
Problem TDEAD378 is UNSAT
Problem TDEAD379 is UNSAT
Problem TDEAD380 is UNSAT
Problem TDEAD381 is UNSAT
Problem TDEAD382 is UNSAT
Problem TDEAD383 is UNSAT
Problem TDEAD384 is UNSAT
Problem TDEAD385 is UNSAT
Problem TDEAD386 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD388 is UNSAT
Problem TDEAD389 is UNSAT
Problem TDEAD390 is UNSAT
Problem TDEAD391 is UNSAT
Problem TDEAD392 is UNSAT
Problem TDEAD393 is UNSAT
Problem TDEAD394 is UNSAT
Problem TDEAD395 is UNSAT
Problem TDEAD396 is UNSAT
Problem TDEAD397 is UNSAT
Problem TDEAD398 is UNSAT
Problem TDEAD399 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD401 is UNSAT
Problem TDEAD402 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD404 is UNSAT
Problem TDEAD405 is UNSAT
Problem TDEAD406 is UNSAT
Problem TDEAD407 is UNSAT
Problem TDEAD408 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD410 is UNSAT
Problem TDEAD411 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD413 is UNSAT
Problem TDEAD414 is UNSAT
Problem TDEAD415 is UNSAT
Problem TDEAD416 is UNSAT
Problem TDEAD417 is UNSAT
Problem TDEAD418 is UNSAT
Problem TDEAD419 is UNSAT
Problem TDEAD420 is UNSAT
Problem TDEAD421 is UNSAT
Problem TDEAD422 is UNSAT
Problem TDEAD423 is UNSAT
Problem TDEAD424 is UNSAT
Problem TDEAD425 is UNSAT
Problem TDEAD426 is UNSAT
Problem TDEAD427 is UNSAT
Problem TDEAD428 is UNSAT
Problem TDEAD429 is UNSAT
Problem TDEAD430 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD432 is UNSAT
Problem TDEAD433 is UNSAT
Problem TDEAD434 is UNSAT
Problem TDEAD435 is UNSAT
Problem TDEAD488 is UNSAT
Problem TDEAD489 is UNSAT
Problem TDEAD490 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD492 is UNSAT
Problem TDEAD493 is UNSAT
Problem TDEAD494 is UNSAT
Problem TDEAD495 is UNSAT
Problem TDEAD496 is UNSAT
Problem TDEAD497 is UNSAT
Problem TDEAD498 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD500 is UNSAT
Problem TDEAD501 is UNSAT
Problem TDEAD502 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD504 is UNSAT
Problem TDEAD505 is UNSAT
Problem TDEAD506 is UNSAT
Problem TDEAD507 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD509 is UNSAT
Problem TDEAD510 is UNSAT
Problem TDEAD511 is UNSAT
Problem TDEAD512 is UNSAT
Problem TDEAD513 is UNSAT
Problem TDEAD514 is UNSAT
Problem TDEAD515 is UNSAT
Problem TDEAD516 is UNSAT
Problem TDEAD517 is UNSAT
Problem TDEAD518 is UNSAT
Problem TDEAD519 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD521 is UNSAT
Problem TDEAD522 is UNSAT
Problem TDEAD523 is UNSAT
Problem TDEAD524 is UNSAT
Problem TDEAD525 is UNSAT
Problem TDEAD526 is UNSAT
Problem TDEAD527 is UNSAT
Problem TDEAD528 is UNSAT
Problem TDEAD529 is UNSAT
Problem TDEAD530 is UNSAT
Problem TDEAD531 is UNSAT
Problem TDEAD532 is UNSAT
Problem TDEAD533 is UNSAT
Problem TDEAD534 is UNSAT
Problem TDEAD535 is UNSAT
Problem TDEAD536 is UNSAT
Problem TDEAD537 is UNSAT
Problem TDEAD538 is UNSAT
Problem TDEAD539 is UNSAT
Problem TDEAD540 is UNSAT
Problem TDEAD541 is UNSAT
Problem TDEAD542 is UNSAT
Problem TDEAD543 is UNSAT
Problem TDEAD544 is UNSAT
Problem TDEAD545 is UNSAT
Problem TDEAD546 is UNSAT
Problem TDEAD547 is UNSAT
Problem TDEAD548 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD550 is UNSAT
Problem TDEAD551 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD933 is UNSAT
Problem TDEAD934 is UNSAT
Problem TDEAD949 is UNSAT
Problem TDEAD950 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/138 variables, 2/9 constraints. Problems are: Problem set: 147 solved, 803 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/9 constraints. Problems are: Problem set: 147 solved, 803 unsolved
Problem TDEAD629 is UNSAT
At refinement iteration 3 (OVERLAPS) 903/1041 variables, 138/147 constraints. Problems are: Problem set: 148 solved, 802 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1041 variables, 112/259 constraints. Problems are: Problem set: 148 solved, 802 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1041 variables, 0/259 constraints. Problems are: Problem set: 148 solved, 802 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1041/1041 variables, and 259 constraints, problems are : Problem set: 148 solved, 802 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 138/138 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 950/950 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 148 solved, 802 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 7/7 constraints. Problems are: Problem set: 148 solved, 802 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/138 variables, 2/9 constraints. Problems are: Problem set: 148 solved, 802 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/138 variables, 0/9 constraints. Problems are: Problem set: 148 solved, 802 unsolved
At refinement iteration 3 (OVERLAPS) 903/1041 variables, 138/147 constraints. Problems are: Problem set: 148 solved, 802 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1041 variables, 112/259 constraints. Problems are: Problem set: 148 solved, 802 unsolved
Problem TDEAD115 is UNSAT
Problem TDEAD265 is UNSAT
Problem TDEAD266 is UNSAT
Problem TDEAD267 is UNSAT
Problem TDEAD268 is UNSAT
Problem TDEAD269 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD271 is UNSAT
Problem TDEAD272 is UNSAT
Problem TDEAD275 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD278 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD280 is UNSAT
Problem TDEAD284 is UNSAT
Problem TDEAD285 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD287 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD289 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD291 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD293 is UNSAT
Problem TDEAD294 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD297 is UNSAT
Problem TDEAD298 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD300 is UNSAT
Problem TDEAD305 is UNSAT
Problem TDEAD306 is UNSAT
Problem TDEAD307 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD309 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD319 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD324 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 is UNSAT
Problem TDEAD328 is UNSAT
Problem TDEAD329 is UNSAT
Problem TDEAD330 is UNSAT
Problem TDEAD331 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD334 is UNSAT
Problem TDEAD335 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD337 is UNSAT
Problem TDEAD338 is UNSAT
Problem TDEAD339 is UNSAT
Problem TDEAD340 is UNSAT
Problem TDEAD605 is UNSAT
Problem TDEAD610 is UNSAT
Problem TDEAD626 is UNSAT
Problem TDEAD632 is UNSAT
Problem TDEAD633 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/1041 variables, 802/1061 constraints. Problems are: Problem set: 218 solved, 732 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1041/1041 variables, and 1061 constraints, problems are : Problem set: 218 solved, 732 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 138/138 constraints, ReadFeed: 112/112 constraints, PredecessorRefiner: 802/950 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61218ms problems are : Problem set: 218 solved, 732 unsolved
Search for dead transitions found 218 dead transitions in 61221ms
Found 218 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 218 transitions
Dead transitions reduction (with SMT) removed 218 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 138/138 places, 733/951 transitions.
Reduce places removed 18 places and 231 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 120 transition count 502
Reduce places removed 15 places and 91 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 33 place count 105 transition count 411
Reduce places removed 4 places and 31 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 101 transition count 380
Reduce places removed 2 places and 16 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 39 place count 99 transition count 364
Reduce places removed 1 places and 14 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 40 place count 98 transition count 350
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 45 place count 93 transition count 315
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 5 with 5 rules applied. Total rules applied 50 place count 93 transition count 315
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 50 rules in 21 ms. Remains 93 /138 variables (removed 45) and now considering 315/733 (removed 418) transitions.
[2026-05-24 02:26:40] [INFO ] Flow matrix only has 297 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9528561548439361925.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18446409634458989835.kers'
[2026-05-24 02:26:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9528561548439361925.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18446409634458989835.kers]
Culling trivial invariants: removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 297 rows 91 cols 1329 entries
Finished phase 1 with 79 SingleSign rule and 3 generalized
[2026-05-24 02:26:40] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18446409634458989835.kers
Total runtime 2 ms.
[2026-05-24 02:26:40] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-24 02:26:40] [INFO ] Flow matrix only has 297 transitions (discarded 18 similar events)
[2026-05-24 02:26:40] [INFO ] Invariant cache hit.
[2026-05-24 02:26:40] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-24 02:26:40] [INFO ] Implicit Places using invariants and state equation in 196 ms returned []
Implicit Place search using SMT with State Equation took 282 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 93/138 places, 315/951 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 62937 ms. Remains : 93/138 places, 315/951 transitions.
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m064-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 172879 ms.

BK_STOP 1779589600581

--------------------
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="BugTracking-PT-q3m064"
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 BugTracking-PT-q3m064, 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 r034-tall-177946841900366"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q3m064.tgz
mv BugTracking-PT-q3m064 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 ;