About the Execution of ITS-Tools for EisenbergMcGuire-PT-10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 12217.296 | 1800000.00 | 3690833.00 | 3429.70 | [undef] | Time out reached |
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.r120-smll-177955742400183.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is EisenbergMcGuire-PT-10, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r120-smll-177955742400183
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.4M
-rw-r--r-- 1 mcc users 8.6K Mar 7 05:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 7 05:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 05:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 7 05:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 09:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 09:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 05:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 46K Mar 7 05:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 7 05:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.1M 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
FORMULA_NAME StableMarking
=== Now, execution of the tool begins
BK_START 1779584798365
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EisenbergMcGuire-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 01:06:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 01:06:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 01:06:41] [INFO ] Load time of PNML (sax parser for PT used): 750 ms
[2026-05-24 01:06:41] [INFO ] Transformed 1090 places.
[2026-05-24 01:06:41] [INFO ] Transformed 5200 transitions.
[2026-05-24 01:06:41] [INFO ] Found NUPN structural information;
[2026-05-24 01:06:41] [INFO ] Parsed PT model containing 1090 places and 5200 transitions and 25400 arcs in 1096 ms.
RANDOM walk for 40000 steps (8 resets) in 5508 ms. (7 steps per ms) remains 367/1090 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 40 ms. (9 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 367/367 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 367/367 properties
[2026-05-24 01:06:44] [INFO ] Flow matrix only has 2330 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16820082748989010276.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17451616663044203248.kers'
[2026-05-24 01:06:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16820082748989010276.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17451616663044203248.kers]
[2026-05-24 01:06:44] [INFO ] Flatten gal took : 1010 ms
Culled 0 columns in 1 ms.
// Phase 1: matrix 2330 rows 1090 cols 5100 entries
Finished phase 1 with 1049 SingleSign rule and 10 generalized
[2026-05-24 01:06:44] [INFO ] Computed 31 invariants in 16 ms
Computed 31 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-17451616663044203248.kers
Total runtime 19 ms.
[2026-05-24 01:06:44] [INFO ] State equation strengthened by 1246 read => feed constraints.
[2026-05-24 01:06:44] [INFO ] Flatten gal took : 253 ms
[2026-05-24 01:06:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13606790018455434071.gal : 152 ms
[2026-05-24 01:06:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8690844385426589929.prop : 4 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/ReachabilityCardinality13606790018455434071.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8690844385426589929.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality8690844385426589929.prop.
At refinement iteration 0 (INCLUDED_ONLY) 0/367 variables, 367/367 constraints. Problems are: Problem set: 0 solved, 367 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 367/3420 variables, and 367 constraints, problems are : Problem set: 0 solved, 367 unsolved in 5134 ms.
Refiners :[Domain max(s): 367/1090 constraints, Positive P Invariants (semi-flows): 0/21 constraints, Generalized P Invariants (flows): 0/10 constraints, State Equation: 0/1090 constraints, ReadFeed: 0/1246 constraints, PredecessorRefiner: 367/367 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 367 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/367 variables, 367/367 constraints. Problems are: Problem set: 0 solved, 367 unsolved
SDD proceeding with computation,367 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,367 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,367 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,367 properties remain. new max is 32
SDD size :8 after 10
SDD proceeding with computation,367 properties remain. new max is 64
SDD size :10 after 12
SDD proceeding with computation,367 properties remain. new max is 128
SDD size :12 after 14
SDD proceeding with computation,367 properties remain. new max is 256
SDD size :14 after 15
SDD proceeding with computation,367 properties remain. new max is 512
SDD size :15 after 77
SDD proceeding with computation,367 properties remain. new max is 1024
SDD size :77 after 155
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 367/3420 variables, and 367 constraints, problems are : Problem set: 0 solved, 367 unsolved in 5036 ms.
Refiners :[Domain max(s): 367/1090 constraints, Positive P Invariants (semi-flows): 0/21 constraints, Generalized P Invariants (flows): 0/10 constraints, State Equation: 0/1090 constraints, ReadFeed: 0/1246 constraints, PredecessorRefiner: 0/367 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10824ms problems are : Problem set: 0 solved, 367 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 367 out of 1090 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1090/1090 places, 5200/5200 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 1090 transition count 5190
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 1080 transition count 5190
Performed 220 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 220 Pre rules applied. Total rules applied 20 place count 1080 transition count 4970
Deduced a syphon composed of 220 places in 12 ms
SDD proceeding with computation,367 properties remain. new max is 2048
SDD size :155 after 280
Reduce places removed 220 places and 0 transitions.
Iterating global reduction 2 with 440 rules applied. Total rules applied 460 place count 860 transition count 4970
Discarding 90 places :
Symmetric choice reduction at 2 with 90 rule applications. Total rules 550 place count 770 transition count 4070
Iterating global reduction 2 with 90 rules applied. Total rules applied 640 place count 770 transition count 4070
Performed 81 Post agglomeration using F-continuation condition.Transition count delta: 81
Deduced a syphon composed of 81 places in 20 ms
Reduce places removed 81 places and 0 transitions.
Iterating global reduction 2 with 162 rules applied. Total rules applied 802 place count 689 transition count 3989
Applied a total of 802 rules in 1371 ms. Remains 689 /1090 variables (removed 401) and now considering 3989/5200 (removed 1211) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1384 ms. Remains : 689/1090 places, 3989/5200 transitions.
SDD proceeding with computation,367 properties remain. new max is 4096
SDD size :280 after 1831
Invariant property smplace_753 does not hold.
Invariant property smplace_377 does not hold.
SDD proceeding with computation,365 properties remain. new max is 4096
SDD size :1831 after 4300
Invariant property smplace_791 does not hold.
Invariant property smplace_790 does not hold.
Invariant property smplace_763 does not hold.
SDD proceeding with computation,362 properties remain. new max is 4096
SDD size :4300 after 8859
SDD proceeding with computation,362 properties remain. new max is 8192
SDD size :8859 after 40421
RANDOM walk for 3335306 steps (8 resets) in 120006 ms. (27 steps per ms) remains 351/367 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 351/351 properties
BEST_FIRST walk for 40004 steps (8 resets) in 229 ms. (173 steps per ms) remains 350/351 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 248 ms. (160 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 305 ms. (130 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 366 ms. (109 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 342 ms. (116 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 321 ms. (124 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 335 ms. (119 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 208 ms. (191 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 221 ms. (180 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 232 ms. (171 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 207 ms. (192 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 251 ms. (158 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 290 ms. (137 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 285 ms. (139 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 233 ms. (170 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 349/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 196 ms. (203 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 215 ms. (185 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 230 ms. (173 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 230 ms. (173 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 216 ms. (184 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 230 ms. (173 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 231 ms. (172 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 267 ms. (149 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 255 ms. (156 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 210 ms. (189 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 205 ms. (194 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 224 ms. (177 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 221 ms. (180 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 197 ms. (202 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 238 ms. (167 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 167 ms. (238 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 213 ms. (186 steps per ms) remains 348/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 202 ms. (197 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 192 ms. (207 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 212 ms. (187 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 194 ms. (205 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 348/348 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 348/348 properties
SDD proceeding with computation,362 properties remain. new max is 16384
SDD size :40421 after 69453
Invariant property smplace_751 does not hold.
Invariant property smplace_359 does not hold.
SDD proceeding with computation,360 properties remain. new max is 16384
SDD size :69453 after 130655
Invariant property smplace_792 does not hold.
Invariant property smplace_771 does not hold.
Invariant property smplace_770 does not hold.
Invariant property smplace_761 does not hold.
SDD proceeding with computation,356 properties remain. new max is 16384
SDD size :130655 after 207391
Invariant property smplace_773 does not hold.
SDD proceeding with computation,355 properties remain. new max is 16384
SDD size :207391 after 237677
Interrupted probabilistic random walk after 4774176 steps, run timeout after 114001 ms. (steps per millisecond=41 ) properties seen :324 out of 348
Probabilistic random walk after 4774176 steps, saw 2585036 distinct states, run finished after 114014 ms. (steps per millisecond=41 ) properties seen :324
[2026-05-24 01:09:28] [INFO ] Flow matrix only has 1119 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13286342920019102498.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5978619739530620763.kers'
[2026-05-24 01:09:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13286342920019102498.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5978619739530620763.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1119 rows 689 cols 2678 entries
Finished phase 1 with 648 SingleSign rule and 10 generalized
[2026-05-24 01:09:28] [INFO ] Computed 31 invariants in 4 ms
Computed 31 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-5978619739530620763.kers
Total runtime 6 ms.
[2026-05-24 01:09:28] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 411/432 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/432 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 16/448 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/448 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 95/543 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/543 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (OVERLAPS) 895/1438 variables, 543/567 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1438 variables, 184/751 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1438 variables, 0/751 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (OVERLAPS) 46/1484 variables, 10/761 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1484 variables, 1/762 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1484 variables, 94/856 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1484 variables, 0/856 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 14 (OVERLAPS) 52/1536 variables, 24/880 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1536 variables, 22/902 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1536 variables, 0/902 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 17 (OVERLAPS) 84/1620 variables, 2/904 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1620 variables, 0/904 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 19 (OVERLAPS) 4/1624 variables, 2/906 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1624 variables, 0/906 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 21 (OVERLAPS) 24/1648 variables, 2/908 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1648 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 23 (OVERLAPS) 160/1808 variables, 112/1020 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1808 variables, 136/1156 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1808 variables, 0/1156 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 26 (OVERLAPS) 0/1808 variables, 0/1156 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1808/1808 variables, and 1156 constraints, problems are : Problem set: 0 solved, 21 unsolved in 13808 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 689/689 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 411/432 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/432 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 16/448 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/448 variables, 20/36 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/448 variables, 8/44 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/448 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/448 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 95/543 variables, 8/53 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/543 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (OVERLAPS) 895/1438 variables, 543/596 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1438 variables, 184/780 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1438 variables, 0/780 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 13 (OVERLAPS) 46/1484 variables, 10/790 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1484 variables, 1/791 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1484 variables, 94/885 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1484 variables, 13/898 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1484 variables, 2/900 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1484 variables, 0/900 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 19 (OVERLAPS) 52/1536 variables, 24/924 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1536 variables, 22/946 constraints. Problems are: Problem set: 0 solved, 21 unsolved
SDD proceeding with computation,355 properties remain. new max is 32768
SDD size :237677 after 1.02783e+06
At refinement iteration 21 (INCLUDED_ONLY) 0/1536 variables, 0/946 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 22 (OVERLAPS) 84/1620 variables, 2/948 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1620 variables, 0/948 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 24 (OVERLAPS) 4/1624 variables, 2/950 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1624 variables, 8/958 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1624 variables, 3/961 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1624 variables, 0/961 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 28 (OVERLAPS) 24/1648 variables, 2/963 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1648 variables, 1/964 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1648 variables, 0/964 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 31 (OVERLAPS) 160/1808 variables, 112/1076 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1808 variables, 136/1212 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/1808 variables, 0/1212 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1808/1808 variables, and 1212 constraints, problems are : Problem set: 0 solved, 21 unsolved in 45017 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 689/689 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 35/35 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58878ms problems are : Problem set: 0 solved, 21 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 21 out of 689 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 689/689 places, 3989/3989 transitions.
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 90 Pre rules applied. Total rules applied 0 place count 689 transition count 3899
Deduced a syphon composed of 90 places in 13 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 0 with 180 rules applied. Total rules applied 180 place count 599 transition count 3899
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 13 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 198 place count 590 transition count 3890
Applied a total of 198 rules in 380 ms. Remains 590 /689 variables (removed 99) and now considering 3890/3989 (removed 99) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 380 ms. Remains : 590/689 places, 3890/3989 transitions.
RANDOM walk for 4000000 steps (8 resets) in 37716 ms. (106 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 542 ms. (736 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 597 ms. (668 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 787 ms. (507 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 715 ms. (558 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 655 ms. (609 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 656 ms. (608 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 583 ms. (684 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 675 ms. (591 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 557 ms. (716 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 672 ms. (594 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 573 ms. (696 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 725 ms. (550 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 563 ms. (709 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 618 ms. (646 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 591 ms. (675 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 642 ms. (622 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 681 ms. (586 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 624 ms. (640 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 634 ms. (629 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 640 ms. (624 steps per ms) remains 21/21 properties
BEST_FIRST walk for 400004 steps (8 resets) in 571 ms. (699 steps per ms) remains 21/21 properties
SDD proceeding with computation,355 properties remain. new max is 65536
SDD size :1.02783e+06 after 1.55184e+06
Interrupted probabilistic random walk after 1711149 steps, run timeout after 45001 ms. (steps per millisecond=38 ) properties seen :0 out of 21
Probabilistic random walk after 1711149 steps, saw 1011252 distinct states, run finished after 45001 ms. (steps per millisecond=38 ) properties seen :0
[2026-05-24 01:11:28] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17833438106082301069.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15407631282357670514.kers'
[2026-05-24 01:11:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17833438106082301069.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15407631282357670514.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:11:28] [INFO ] Computed 31 invariants in 3 ms
Computed 31 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-15407631282357670514.kers
Total runtime 5 ms.
[2026-05-24 01:11:28] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 339/360 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/360 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 16/376 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/376 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 88/464 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/464 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (OVERLAPS) 816/1280 variables, 464/488 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1280 variables, 184/672 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1280 variables, 0/672 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (OVERLAPS) 46/1326 variables, 10/682 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1326 variables, 1/683 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1326 variables, 94/777 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1326 variables, 0/777 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 14 (OVERLAPS) 52/1378 variables, 24/801 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1378 variables, 22/823 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1378 variables, 0/823 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 17 (OVERLAPS) 66/1444 variables, 2/825 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1444 variables, 0/825 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 19 (OVERLAPS) 4/1448 variables, 2/827 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1448 variables, 0/827 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 21 (OVERLAPS) 22/1470 variables, 2/829 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1470 variables, 0/829 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 23 (OVERLAPS) 140/1610 variables, 92/921 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 136/1057 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 21 unsolved in 11587 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 339/360 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/360 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 16/376 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/376 variables, 20/36 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/376 variables, 7/43 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/376 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/376 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 88/464 variables, 8/53 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/464 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 10 (OVERLAPS) 816/1280 variables, 464/517 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1280 variables, 184/701 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1280 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 13 (OVERLAPS) 46/1326 variables, 10/711 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1326 variables, 1/712 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1326 variables, 94/806 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1326 variables, 13/819 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1326 variables, 0/819 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 18 (OVERLAPS) 52/1378 variables, 24/843 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1378 variables, 22/865 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1378 variables, 0/865 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 21 (OVERLAPS) 66/1444 variables, 2/867 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1444 variables, 2/869 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1444 variables, 0/869 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 24 (OVERLAPS) 4/1448 variables, 2/871 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1448 variables, 8/879 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1448 variables, 9/888 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1448 variables, 6/894 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1448 variables, 0/894 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 29 (OVERLAPS) 22/1470 variables, 2/896 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1470 variables, 0/896 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 31 (OVERLAPS) 140/1610 variables, 92/988 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1610 variables, 136/1124 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/1610 variables, 0/1124 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 34 (OVERLAPS) 0/1610 variables, 0/1124 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1124 constraints, problems are : Problem set: 0 solved, 21 unsolved in 45802 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 46/46 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 57433ms problems are : Problem set: 0 solved, 21 unsolved
Fused 21 Parikh solutions to 20 different solutions.
Parikh walk visited 4 properties in 3889 ms.
Support contains 17 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 178 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 590/590 places, 3890/3890 transitions.
SDD proceeding with computation,355 properties remain. new max is 131072
SDD size :1.55184e+06 after 2.51045e+06
RANDOM walk for 4000000 steps (8 resets) in 39252 ms. (101 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 522 ms. (764 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 668 ms. (597 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 651 ms. (613 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 792 ms. (504 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 936 ms. (426 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 750 ms. (532 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 861 ms. (464 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 662 ms. (603 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 737 ms. (542 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 602 ms. (663 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 618 ms. (646 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 510 ms. (782 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 662 ms. (603 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 513 ms. (778 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 668 ms. (597 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 537 ms. (743 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400004 steps (8 resets) in 588 ms. (679 steps per ms) remains 17/17 properties
Interrupted probabilistic random walk after 1925770 steps, run timeout after 45001 ms. (steps per millisecond=42 ) properties seen :4 out of 17
Probabilistic random walk after 1925770 steps, saw 1125742 distinct states, run finished after 45001 ms. (steps per millisecond=42 ) properties seen :4
[2026-05-24 01:13:30] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:13:30] [INFO ] Invariant cache hit.
[2026-05-24 01:13:30] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 257/270 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 12/282 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 66/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 612/960 variables, 348/366 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/960 variables, 102/468 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/960 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 82/1042 variables, 10/478 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1042 variables, 70/549 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 14 (OVERLAPS) 104/1146 variables, 48/597 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1146 variables, 36/633 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1146 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 17 (OVERLAPS) 132/1278 variables, 4/637 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1278 variables, 0/637 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 19 (OVERLAPS) 8/1286 variables, 4/641 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1286 variables, 0/641 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 21 (OVERLAPS) 44/1330 variables, 4/645 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1330 variables, 0/645 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 23 (OVERLAPS) 280/1610 variables, 184/829 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 228/1057 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 13 unsolved in 5000 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 257/270 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 12/282 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 17/29 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 3/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 66/348 variables, 6/38 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 612/960 variables, 348/386 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/960 variables, 102/488 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/960 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 12 (OVERLAPS) 82/1042 variables, 10/498 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 1/499 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1042 variables, 70/569 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1042 variables, 10/579 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1042 variables, 0/579 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 17 (OVERLAPS) 104/1146 variables, 48/627 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1146 variables, 36/663 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1146 variables, 0/663 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 20 (OVERLAPS) 132/1278 variables, 4/667 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1278 variables, 1/668 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1278 variables, 0/668 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 23 (OVERLAPS) 8/1286 variables, 4/672 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1286 variables, 3/675 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1286 variables, 5/680 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1286 variables, 11/691 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1286 variables, 1/692 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1286 variables, 5/697 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1286 variables, 0/697 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 30 (OVERLAPS) 44/1330 variables, 4/701 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1330 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 32 (OVERLAPS) 280/1610 variables, 184/885 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/1610 variables, 228/1113 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 34 (INCLUDED_ONLY) 0/1610 variables, 0/1113 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 35 (OVERLAPS) 0/1610 variables, 0/1113 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1113 constraints, problems are : Problem set: 0 solved, 13 unsolved in 26785 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 43/43 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31815ms problems are : Problem set: 0 solved, 13 unsolved
Parikh walk visited 2 properties in 23241 ms.
Support contains 11 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 195 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 4000000 steps (8 resets) in 31748 ms. (125 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4649 ms. (860 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4779 ms. (836 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4537 ms. (881 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4523 ms. (884 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4407 ms. (907 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4453 ms. (898 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4588 ms. (871 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4409 ms. (907 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4528 ms. (883 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4712 ms. (848 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4447 ms. (899 steps per ms) remains 11/11 properties
Invariant property smplace_793 does not hold.
Invariant property smplace_781 does not hold.
Invariant property smplace_780 does not hold.
Invariant property smplace_762 does not hold.
Invariant property smplace_752 does not hold.
SDD proceeding with computation,350 properties remain. new max is 131072
SDD size :2.51045e+06 after 3.82483e+06
Interrupted probabilistic random walk after 3176525 steps, run timeout after 72001 ms. (steps per millisecond=44 ) properties seen :0 out of 11
Probabilistic random walk after 3176525 steps, saw 1778901 distinct states, run finished after 72001 ms. (steps per millisecond=44 ) properties seen :0
[2026-05-24 01:16:02] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:16:02] [INFO ] Invariant cache hit.
[2026-05-24 01:16:02] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 259/270 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 12/282 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 66/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 612/960 variables, 348/366 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/960 variables, 102/468 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/960 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 82/1042 variables, 10/478 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1042 variables, 70/549 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 104/1146 variables, 48/597 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1146 variables, 36/633 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1146 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 132/1278 variables, 4/637 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1278 variables, 0/637 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 19 (OVERLAPS) 8/1286 variables, 4/641 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1286 variables, 0/641 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 21 (OVERLAPS) 44/1330 variables, 4/645 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1330 variables, 0/645 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 23 (OVERLAPS) 280/1610 variables, 184/829 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 228/1057 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 11 unsolved in 4011 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 259/270 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 12/282 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 66/348 variables, 6/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 612/960 variables, 348/385 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/960 variables, 102/487 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/960 variables, 1/488 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/960 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (OVERLAPS) 82/1042 variables, 10/498 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1042 variables, 1/499 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1042 variables, 70/569 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1042 variables, 10/579 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1042 variables, 0/579 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (OVERLAPS) 104/1146 variables, 48/627 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1146 variables, 36/663 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1146 variables, 0/663 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 21 (OVERLAPS) 132/1278 variables, 4/667 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1278 variables, 0/667 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 23 (OVERLAPS) 8/1286 variables, 4/671 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1286 variables, 1/672 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1286 variables, 19/691 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1286 variables, 0/691 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 27 (OVERLAPS) 44/1330 variables, 4/695 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1330 variables, 0/695 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 29 (OVERLAPS) 280/1610 variables, 184/879 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1610 variables, 228/1107 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1610 variables, 0/1107 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 32 (OVERLAPS) 0/1610 variables, 0/1107 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1107 constraints, problems are : Problem set: 0 solved, 11 unsolved in 23101 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27139ms problems are : Problem set: 0 solved, 11 unsolved
Parikh walk visited 0 properties in 12911 ms.
Support contains 11 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 171 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 168 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:16:42] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:16:42] [INFO ] Invariant cache hit.
[2026-05-24 01:16:44] [INFO ] Implicit Places using invariants in 1708 ms returned []
[2026-05-24 01:16:44] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:16:44] [INFO ] Invariant cache hit.
[2026-05-24 01:16:44] [INFO ] State equation strengthened by 436 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-24 01:16:45] [INFO ] Flatten gal took : 164 ms
[2026-05-24 01:16:45] [INFO ] Applying decomposition
[2026-05-24 01:16:45] [INFO ] Flatten gal took : 164 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph1288050097181894996.txt' '-o' '/tmp/graph1288050097181894996.bin' '-w' '/tmp/graph1288050097181894996.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph1288050097181894996.bin' '-l' '-1' '-v' '-w' '/tmp/graph1288050097181894996.weights' '-q' '0' '-e' '0.001'
[2026-05-24 01:16:46] [INFO ] Decomposing Gal with order
[2026-05-24 01:16:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 01:16:47] [INFO ] Removed a total of 10797 redundant transitions.
[2026-05-24 01:16:48] [INFO ] Flatten gal took : 1007 ms
[2026-05-24 01:16:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 590 labels/synchronizations in 344 ms.
[2026-05-24 01:16:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15466559066743862210.gal : 72 ms
[2026-05-24 01:16:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18355248787893318760.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15466559066743862210.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18355248787893318760.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality18355248787893318760.prop.
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :1 after 2
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :2 after 16
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :16 after 360
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :360 after 1893
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :1893 after 21573
[2026-05-24 01:16:51] [INFO ] Implicit Places using invariants and state equation in 7373 ms returned []
Implicit Place search using SMT with State Equation took 9104 ms to find 0 implicit places.
[2026-05-24 01:16:52] [INFO ] Redundant transitions in 542 ms returned []
Running 3880 sub problems to find dead transitions.
[2026-05-24 01:16:52] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:16:52] [INFO ] Invariant cache hit.
[2026-05-24 01:16:52] [INFO ] State equation strengthened by 436 read => feed constraints.
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :21573 after 2.98037e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32498ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32553ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42445 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 400000 steps (8 resets) in 5133 ms. (77 steps per ms) remains 11/11 properties
Running SMT prover for 11 properties.
[2026-05-24 01:17:26] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:17:26] [INFO ] Invariant cache hit.
[2026-05-24 01:17:26] [INFO ] [Real]Absence check using 21 positive place invariants in 11 ms returned sat
[2026-05-24 01:17:26] [INFO ] [Real]Absence check using 21 positive and 10 generalized place invariants in 4 ms returned sat
[2026-05-24 01:17:27] [INFO ] After 424ms SMT Verify possible using state equation in real domain returned unsat :0 sat :11
[2026-05-24 01:17:27] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:17:27] [INFO ] After 205ms SMT Verify possible using 436 Read/Feed constraints in real domain returned unsat :0 sat :11
TRAPS : Iteration 0
[2026-05-24 01:17:28] [INFO ] After 1006ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:11
[2026-05-24 01:17:28] [INFO ] After 1613ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2026-05-24 01:17:28] [INFO ] [Nat]Absence check using 21 positive place invariants in 17 ms returned sat
[2026-05-24 01:17:28] [INFO ] [Nat]Absence check using 21 positive and 10 generalized place invariants in 6 ms returned sat
[2026-05-24 01:17:28] [INFO ] After 420ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2026-05-24 01:17:29] [INFO ] After 266ms SMT Verify possible using 436 Read/Feed constraints in natural domain returned unsat :0 sat :11
TRAPS : Iteration 0
[2026-05-24 01:17:31] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 2870 ms
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :2.98037e+06 after 3.62984e+07
[2026-05-24 01:17:33] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 973 ms
[2026-05-24 01:17:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 242 ms
[2026-05-24 01:17:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 518 ms
TRAPS : Iteration 1
[2026-05-24 01:17:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 245 ms
[2026-05-24 01:17:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 253 ms
TRAPS : Iteration 2
[2026-05-24 01:17:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 584 ms
[2026-05-24 01:17:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 274 ms
[2026-05-24 01:17:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 251 ms
TRAPS : Iteration 3
[2026-05-24 01:17:38] [INFO ] After 9703ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :11
[2026-05-24 01:17:38] [INFO ] After 10452ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :11
RANDOM walk for 4000000 steps (8 resets) in 27502 ms. (145 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4709 ms. (849 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4527 ms. (883 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4830 ms. (827 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4634 ms. (862 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :3.62984e+07 after 4.34228e+07
BEST_FIRST walk for 4000004 steps (8 resets) in 4437 ms. (901 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4597 ms. (869 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4453 ms. (898 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4791 ms. (834 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4456 ms. (897 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4582 ms. (872 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4408 ms. (907 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :4.34228e+07 after 6.20508e+07
Interrupted probabilistic random walk after 2266990 steps, run timeout after 63001 ms. (steps per millisecond=35 ) properties seen :0 out of 11
Probabilistic random walk after 2266990 steps, saw 1307415 distinct states, run finished after 63001 ms. (steps per millisecond=35 ) properties seen :0
[2026-05-24 01:19:03] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:19:03] [INFO ] Invariant cache hit.
[2026-05-24 01:19:03] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 259/270 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 12/282 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 66/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 612/960 variables, 348/366 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/960 variables, 102/468 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/960 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 82/1042 variables, 10/478 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1042 variables, 70/549 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 104/1146 variables, 48/597 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1146 variables, 36/633 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1146 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (OVERLAPS) 132/1278 variables, 4/637 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1278 variables, 0/637 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 19 (OVERLAPS) 8/1286 variables, 4/641 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1286 variables, 0/641 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 21 (OVERLAPS) 44/1330 variables, 4/645 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1330 variables, 0/645 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 23 (OVERLAPS) 280/1610 variables, 184/829 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 228/1057 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 11 unsolved in 4313 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 259/270 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 12/282 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 18/30 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 66/348 variables, 6/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 612/960 variables, 348/385 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/960 variables, 102/487 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/960 variables, 1/488 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/960 variables, 0/488 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (OVERLAPS) 82/1042 variables, 10/498 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1042 variables, 1/499 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1042 variables, 70/569 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1042 variables, 10/579 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1042 variables, 0/579 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 18 (OVERLAPS) 104/1146 variables, 48/627 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1146 variables, 36/663 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1146 variables, 0/663 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 21 (OVERLAPS) 132/1278 variables, 4/667 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1278 variables, 0/667 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 23 (OVERLAPS) 8/1286 variables, 4/671 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1286 variables, 1/672 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1286 variables, 12/684 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1286 variables, 1/685 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1286 variables, 0/685 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 28 (OVERLAPS) 44/1330 variables, 4/689 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1330 variables, 6/695 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1330 variables, 0/695 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 31 (OVERLAPS) 280/1610 variables, 184/879 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1610 variables, 228/1107 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/1610 variables, 0/1107 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 34 (OVERLAPS) 0/1610 variables, 0/1107 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1107 constraints, problems are : Problem set: 0 solved, 11 unsolved in 22042 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 39/39 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26399ms problems are : Problem set: 0 solved, 11 unsolved
Parikh walk visited 2 properties in 7392 ms.
Support contains 9 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 188 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 188 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 4000000 steps (8 resets) in 32197 ms. (124 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5500 ms. (727 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5736 ms. (697 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 6176 ms. (647 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 6158 ms. (649 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5679 ms. (704 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5640 ms. (709 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5638 ms. (709 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 5307 ms. (753 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4479 ms. (892 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 3245385 steps, run timeout after 69001 ms. (steps per millisecond=47 ) properties seen :0 out of 9
Probabilistic random walk after 3245385 steps, saw 1815228 distinct states, run finished after 69001 ms. (steps per millisecond=47 ) properties seen :0
[2026-05-24 01:21:09] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:21:09] [INFO ] Invariant cache hit.
[2026-05-24 01:21:09] [INFO ] State equation strengthened by 436 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, 9 unsolved
At refinement iteration 1 (OVERLAPS) 261/270 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 12/282 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 66/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 612/960 variables, 348/366 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/960 variables, 102/468 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/960 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 82/1042 variables, 10/478 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1042 variables, 70/549 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 104/1146 variables, 48/597 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1146 variables, 36/633 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1146 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 132/1278 variables, 4/637 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1278 variables, 0/637 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 8/1286 variables, 4/641 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1286 variables, 0/641 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (OVERLAPS) 44/1330 variables, 4/645 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1330 variables, 0/645 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 23 (OVERLAPS) 280/1610 variables, 184/829 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 228/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 9 unsolved in 3688 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 261/270 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/270 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 12/282 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 66/348 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/348 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 612/960 variables, 348/387 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/960 variables, 102/489 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/960 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 82/1042 variables, 10/499 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 1/500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1042 variables, 70/570 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1042 variables, 8/578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1042 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 104/1146 variables, 48/626 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1146 variables, 36/662 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1146 variables, 0/662 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (OVERLAPS) 132/1278 variables, 4/666 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1278 variables, 0/666 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 22 (OVERLAPS) 8/1286 variables, 4/670 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1286 variables, 1/671 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1286 variables, 10/681 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1286 variables, 0/681 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 26 (OVERLAPS) 44/1330 variables, 4/685 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1330 variables, 6/691 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1330 variables, 0/691 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 29 (OVERLAPS) 280/1610 variables, 184/875 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1610 variables, 228/1103 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1610 variables, 0/1103 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 32 (OVERLAPS) 0/1610 variables, 0/1103 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1103 constraints, problems are : Problem set: 0 solved, 9 unsolved in 22030 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 37/37 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 25747ms problems are : Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,11 properties remain. new max is 32768
SDD size :6.20508e+07 after 6.08449e+08
Parikh walk visited 0 properties in 10440 ms.
Support contains 9 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 178 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 179 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:21:46] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:21:46] [INFO ] Invariant cache hit.
[2026-05-24 01:21:47] [INFO ] Implicit Places using invariants in 1480 ms returned []
[2026-05-24 01:21:47] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:21:47] [INFO ] Invariant cache hit.
[2026-05-24 01:21:48] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:21:56] [INFO ] Implicit Places using invariants and state equation in 8901 ms returned []
Implicit Place search using SMT with State Equation took 10383 ms to find 0 implicit places.
[2026-05-24 01:21:56] [INFO ] Redundant transitions in 199 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10770 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 400000 steps (8 resets) in 3372 ms. (118 steps per ms) remains 9/9 properties
Running SMT prover for 9 properties.
[2026-05-24 01:21:57] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:21:57] [INFO ] Invariant cache hit.
[2026-05-24 01:21:58] [INFO ] [Real]Absence check using 21 positive place invariants in 15 ms returned sat
[2026-05-24 01:21:58] [INFO ] [Real]Absence check using 21 positive and 10 generalized place invariants in 6 ms returned sat
[2026-05-24 01:21:58] [INFO ] After 532ms SMT Verify possible using state equation in real domain returned unsat :0 sat :9
[2026-05-24 01:21:58] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:21:58] [INFO ] After 281ms SMT Verify possible using 436 Read/Feed constraints in real domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2026-05-24 01:21:59] [INFO ] After 1144ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:9
[2026-05-24 01:21:59] [INFO ] After 1867ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2026-05-24 01:21:59] [INFO ] [Nat]Absence check using 21 positive place invariants in 10 ms returned sat
[2026-05-24 01:21:59] [INFO ] [Nat]Absence check using 21 positive and 10 generalized place invariants in 5 ms returned sat
[2026-05-24 01:22:00] [INFO ] After 398ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2026-05-24 01:22:00] [INFO ] After 228ms SMT Verify possible using 436 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2026-05-24 01:22:04] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 3538 ms
[2026-05-24 01:22:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 234 ms
[2026-05-24 01:22:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 250 ms
[2026-05-24 01:22:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 505 ms
[2026-05-24 01:22:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 253 ms
TRAPS : Iteration 1
[2026-05-24 01:22:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 191 ms
[2026-05-24 01:22:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 241 ms
TRAPS : Iteration 2
[2026-05-24 01:22:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 249 ms
TRAPS : Iteration 3
[2026-05-24 01:22:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 228 ms
[2026-05-24 01:22:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 203 ms
TRAPS : Iteration 4
[2026-05-24 01:22:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 241 ms
TRAPS : Iteration 5
[2026-05-24 01:22:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 209 ms
TRAPS : Iteration 6
[2026-05-24 01:22:11] [INFO ] After 11279ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2026-05-24 01:22:11] [INFO ] After 11965ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
RANDOM walk for 40000 steps (8 resets) in 237 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 288937 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :0 out of 1
Probabilistic random walk after 288937 steps, saw 195102 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
[2026-05-24 01:22:14] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:22:14] [INFO ] Invariant cache hit.
[2026-05-24 01:22:14] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 388/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 691 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 11/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 980/1610 variables, and 268 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 176/590 constraints, ReadFeed: 48/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5735ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 224 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 226 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 211 ms. (188 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 265430 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 1
Probabilistic random walk after 265430 steps, saw 180956 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2026-05-24 01:22:23] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:22:23] [INFO ] Invariant cache hit.
[2026-05-24 01:22:23] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 388/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 948 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 11/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 1/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/980 variables, 0/268 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 630/1610 variables, 414/682 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 388/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1610 variables, 0/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/1610 variables, 0/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1070 constraints, problems are : Problem set: 0 solved, 1 unsolved in 7867 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8832ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 215 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 265 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 265 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 242 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:22:33] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:22:33] [INFO ] Invariant cache hit.
[2026-05-24 01:22:35] [INFO ] Implicit Places using invariants in 1920 ms returned []
[2026-05-24 01:22:35] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:22:35] [INFO ] Invariant cache hit.
[2026-05-24 01:22:36] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:22:43] [INFO ] Implicit Places using invariants and state equation in 8542 ms returned []
Implicit Place search using SMT with State Equation took 10465 ms to find 0 implicit places.
[2026-05-24 01:22:44] [INFO ] Redundant transitions in 471 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11188 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 5 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 136 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6418000236110186623.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9032875410311784060.kers'
[2026-05-24 01:22:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6418000236110186623.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9032875410311784060.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:22:44] [INFO ] Computed 21 invariants in 1 ms
Computed 21 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-9032875410311784060.kers
Total runtime 9 ms.
[2026-05-24 01:22:44] [INFO ] After 32ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:22:44] [INFO ] [Nat]Absence check using 21 positive place invariants in 4 ms returned sat
[2026-05-24 01:22:44] [INFO ] After 92ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:22:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:22:44] [INFO ] After 9ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:22:44] [INFO ] After 22ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:22:44] [INFO ] After 165ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 358 ms.
RANDOM walk for 40000 steps (8 resets) in 272 ms. (146 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 274472 steps, run timeout after 3001 ms. (steps per millisecond=91 ) properties seen :0 out of 1
Probabilistic random walk after 274472 steps, saw 186574 distinct states, run finished after 3001 ms. (steps per millisecond=91 ) properties seen :0
[2026-05-24 01:22:47] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13617031858298581254.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13209890879707949951.kers'
[2026-05-24 01:22:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13617031858298581254.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13209890879707949951.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:22:47] [INFO ] Computed 31 invariants in 4 ms
Computed 31 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-13209890879707949951.kers
Total runtime 5 ms.
[2026-05-24 01:22:47] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 716 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 980/1610 variables, and 265 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5021 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 176/590 constraints, ReadFeed: 47/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5773ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 264 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 266 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 297 ms. (134 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 246213 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :0 out of 1
Probabilistic random walk after 246213 steps, saw 168695 distinct states, run finished after 3001 ms. (steps per millisecond=82 ) properties seen :0
[2026-05-24 01:22:57] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:22:57] [INFO ] Invariant cache hit.
[2026-05-24 01:22:57] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 690 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 630/1610 variables, 414/679 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 389/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 0/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1610 variables, 0/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1068 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5870 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6572ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 93 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 165 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 413 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:23:04] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:23:04] [INFO ] Invariant cache hit.
[2026-05-24 01:23:06] [INFO ] Implicit Places using invariants in 1752 ms returned []
[2026-05-24 01:23:06] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:23:06] [INFO ] Invariant cache hit.
[2026-05-24 01:23:06] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:23:14] [INFO ] Implicit Places using invariants and state equation in 8146 ms returned []
Implicit Place search using SMT with State Equation took 9900 ms to find 0 implicit places.
[2026-05-24 01:23:14] [INFO ] Redundant transitions in 335 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10666 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 3 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 105 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12025076741588249992.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4919329877487069962.kers'
[2026-05-24 01:23:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12025076741588249992.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4919329877487069962.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:23:14] [INFO ] Computed 21 invariants in 1 ms
Computed 21 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4919329877487069962.kers
Total runtime 1 ms.
[2026-05-24 01:23:14] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:23:14] [INFO ] [Nat]Absence check using 21 positive place invariants in 7 ms returned sat
[2026-05-24 01:23:14] [INFO ] After 102ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:23:14] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:23:14] [INFO ] After 28ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:23:14] [INFO ] After 44ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:23:14] [INFO ] After 209ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 405 ms.
RANDOM walk for 40000 steps (8 resets) in 289 ms. (137 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 258170 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 1
Probabilistic random walk after 258170 steps, saw 176323 distinct states, run finished after 3001 ms. (steps per millisecond=86 ) properties seen :0
[2026-05-24 01:23:18] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18305261220886247228.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4727883015448210057.kers'
[2026-05-24 01:23:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18305261220886247228.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4727883015448210057.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:23:18] [INFO ] Computed 31 invariants in 7 ms
Computed 31 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-4727883015448210057.kers
Total runtime 9 ms.
[2026-05-24 01:23:18] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 749 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 5904ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 206 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 210 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 254 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 282744 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 1
Probabilistic random walk after 282744 steps, saw 191579 distinct states, run finished after 3006 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-24 01:23:27] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:23:27] [INFO ] Invariant cache hit.
[2026-05-24 01:23:27] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 678 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 11/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 630/1610 variables, 414/680 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 389/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 0/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1610 variables, 0/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1069 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5532 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6249ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 109 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 173 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 165 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:23:34] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:23:34] [INFO ] Invariant cache hit.
[2026-05-24 01:23:35] [INFO ] Implicit Places using invariants in 1467 ms returned []
[2026-05-24 01:23:35] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:23:35] [INFO ] Invariant cache hit.
[2026-05-24 01:23:35] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:23:42] [INFO ] Implicit Places using invariants and state equation in 6635 ms returned []
Implicit Place search using SMT with State Equation took 8105 ms to find 0 implicit places.
[2026-05-24 01:23:42] [INFO ] Redundant transitions in 200 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8482 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 2 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 47 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2586731198562505409.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11580243147998481605.kers'
[2026-05-24 01:23:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2586731198562505409.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11580243147998481605.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:23:42] [INFO ] Computed 21 invariants in 0 ms
Computed 21 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-11580243147998481605.kers
Total runtime 14 ms.
[2026-05-24 01:23:42] [INFO ] After 39ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:23:42] [INFO ] [Nat]Absence check using 21 positive place invariants in 6 ms returned sat
[2026-05-24 01:23:42] [INFO ] After 75ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:23:42] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:23:42] [INFO ] After 10ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:23:42] [INFO ] After 24ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:23:42] [INFO ] After 148ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 278 ms.
RANDOM walk for 40000 steps (8 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 289399 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :0 out of 1
Probabilistic random walk after 289399 steps, saw 195431 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
[2026-05-24 01:23:45] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4851172045093928691.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17796428458630128089.kers'
[2026-05-24 01:23:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4851172045093928691.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17796428458630128089.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:23:45] [INFO ] Computed 31 invariants in 4 ms
Computed 31 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-17796428458630128089.kers
Total runtime 5 ms.
[2026-05-24 01:23:45] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 644 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 5673ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 158 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 191 ms. (208 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 281314 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :0 out of 1
Probabilistic random walk after 281314 steps, saw 190660 distinct states, run finished after 3001 ms. (steps per millisecond=93 ) properties seen :0
[2026-05-24 01:23:54] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:23:54] [INFO ] Invariant cache hit.
[2026-05-24 01:23:54] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 706 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 630/1610 variables, 414/679 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 389/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 0/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1610 variables, 0/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1068 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5811 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6530ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 113 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 264 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 264 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 263 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:24:01] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:24:01] [INFO ] Invariant cache hit.
[2026-05-24 01:24:03] [INFO ] Implicit Places using invariants in 1494 ms returned []
[2026-05-24 01:24:03] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:24:03] [INFO ] Invariant cache hit.
[2026-05-24 01:24:03] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:24:10] [INFO ] Implicit Places using invariants and state equation in 6802 ms returned []
Implicit Place search using SMT with State Equation took 8299 ms to find 0 implicit places.
[2026-05-24 01:24:10] [INFO ] Redundant transitions in 201 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8770 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 37 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3196098257368195593.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1668403554866035538.kers'
[2026-05-24 01:24:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3196098257368195593.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1668403554866035538.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:24:10] [INFO ] Computed 21 invariants in 0 ms
Computed 21 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1668403554866035538.kers
Total runtime 1 ms.
[2026-05-24 01:24:10] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:24:10] [INFO ] [Nat]Absence check using 21 positive place invariants in 9 ms returned sat
[2026-05-24 01:24:10] [INFO ] After 110ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:24:10] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:24:10] [INFO ] After 15ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:24:10] [INFO ] After 35ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:24:10] [INFO ] After 212ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 288 ms.
RANDOM walk for 40000 steps (8 resets) in 265 ms. (150 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 258291 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 1
Probabilistic random walk after 258291 steps, saw 176401 distinct states, run finished after 3001 ms. (steps per millisecond=86 ) properties seen :0
[2026-05-24 01:24:13] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1034455843285317104.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3094930177669607395.kers'
[2026-05-24 01:24:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1034455843285317104.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3094930177669607395.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:24:13] [INFO ] Computed 31 invariants in 4 ms
Computed 31 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-3094930177669607395.kers
Total runtime 5 ms.
[2026-05-24 01:24:13] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 883 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 12/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 6617ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 246 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 252 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 244 ms. (163 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 262240 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 1
Probabilistic random walk after 262240 steps, saw 178948 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
[2026-05-24 01:24:23] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:24:23] [INFO ] Invariant cache hit.
[2026-05-24 01:24:23] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 647 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 12/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 630/1610 variables, 414/681 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 389/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 0/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1610 variables, 0/1070 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1070 constraints, problems are : Problem set: 0 solved, 1 unsolved in 6467 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7128ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 160 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 263 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 264 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 209 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:24:31] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:24:31] [INFO ] Invariant cache hit.
[2026-05-24 01:24:33] [INFO ] Implicit Places using invariants in 1637 ms returned []
[2026-05-24 01:24:33] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:24:33] [INFO ] Invariant cache hit.
[2026-05-24 01:24:33] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:24:40] [INFO ] Implicit Places using invariants and state equation in 6926 ms returned []
Implicit Place search using SMT with State Equation took 8569 ms to find 0 implicit places.
[2026-05-24 01:24:40] [INFO ] Redundant transitions in 189 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8973 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 1 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 38 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14520735348705881973.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15384046527676033301.kers'
[2026-05-24 01:24:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14520735348705881973.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15384046527676033301.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:24:40] [INFO ] Computed 21 invariants in 0 ms
Computed 21 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15384046527676033301.kers
Total runtime 1 ms.
[2026-05-24 01:24:40] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:24:40] [INFO ] [Nat]Absence check using 21 positive place invariants in 5 ms returned sat
[2026-05-24 01:24:40] [INFO ] After 93ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:24:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:24:40] [INFO ] After 19ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:24:40] [INFO ] After 39ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:24:40] [INFO ] After 189ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 264 ms.
RANDOM walk for 40000 steps (8 resets) in 386 ms. (103 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 268147 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 1
Probabilistic random walk after 268147 steps, saw 182628 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-24 01:24:43] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15439059786052751688.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9281634495621996269.kers'
[2026-05-24 01:24:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15439059786052751688.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9281634495621996269.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:24:43] [INFO ] Computed 31 invariants in 3 ms
Computed 31 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-9281634495621996269.kers
Total runtime 5 ms.
[2026-05-24 01:24:43] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 867 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 5901ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 266 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 267 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 272 ms. (146 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 254001 steps, run timeout after 3001 ms. (steps per millisecond=84 ) properties seen :0 out of 1
Probabilistic random walk after 254001 steps, saw 173947 distinct states, run finished after 3001 ms. (steps per millisecond=84 ) properties seen :0
[2026-05-24 01:24:52] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:24:52] [INFO ] Invariant cache hit.
[2026-05-24 01:24:52] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 686 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 630/1610 variables, 414/679 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 389/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 3/1071 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1610 variables, 0/1071 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/1610 variables, 0/1071 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1071 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5466 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6164ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 111 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 154 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 154 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 155 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:24:59] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:24:59] [INFO ] Invariant cache hit.
[2026-05-24 01:25:00] [INFO ] Implicit Places using invariants in 1336 ms returned []
[2026-05-24 01:25:00] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:25:00] [INFO ] Invariant cache hit.
[2026-05-24 01:25:01] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:25:09] [INFO ] Implicit Places using invariants and state equation in 8257 ms returned []
Implicit Place search using SMT with State Equation took 9598 ms to find 0 implicit places.
[2026-05-24 01:25:09] [INFO ] Redundant transitions in 198 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9963 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 36 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7770040966544685243.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7528261957886855656.kers'
[2026-05-24 01:25:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7770040966544685243.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7528261957886855656.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:25:09] [INFO ] Computed 21 invariants in 1 ms
Computed 21 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7528261957886855656.kers
Total runtime 2 ms.
[2026-05-24 01:25:09] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:25:09] [INFO ] [Nat]Absence check using 21 positive place invariants in 7 ms returned sat
[2026-05-24 01:25:09] [INFO ] After 75ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:25:09] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:25:09] [INFO ] After 11ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:25:09] [INFO ] After 24ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:25:09] [INFO ] After 158ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 238 ms.
RANDOM walk for 40000 steps (8 resets) in 223 ms. (178 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 263637 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 1
Probabilistic random walk after 263637 steps, saw 179761 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
[2026-05-24 01:25:12] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8212051735262735796.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4780934095767782824.kers'
[2026-05-24 01:25:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8212051735262735796.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4780934095767782824.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:25:12] [INFO ] Computed 31 invariants in 4 ms
Computed 31 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-4780934095767782824.kers
Total runtime 6 ms.
[2026-05-24 01:25:12] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 742 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 630/1610 variables, 414/679 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 389/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1068 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5022 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5802ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 282 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 283 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 296 ms. (134 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 270490 steps, run timeout after 3001 ms. (steps per millisecond=90 ) properties seen :0 out of 1
Probabilistic random walk after 270490 steps, saw 183899 distinct states, run finished after 3001 ms. (steps per millisecond=90 ) properties seen :0
[2026-05-24 01:25:21] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:25:21] [INFO ] Invariant cache hit.
[2026-05-24 01:25:21] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 728 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 10/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 630/1610 variables, 414/679 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 389/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 0/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1610 variables, 0/1068 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1068 constraints, problems are : Problem set: 0 solved, 1 unsolved in 7075 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7818ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 152 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 266 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 266 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 258 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:25:30] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:25:30] [INFO ] Invariant cache hit.
[2026-05-24 01:25:32] [INFO ] Implicit Places using invariants in 2126 ms returned []
[2026-05-24 01:25:32] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:25:32] [INFO ] Invariant cache hit.
[2026-05-24 01:25:33] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:25:40] [INFO ] Implicit Places using invariants and state equation in 8430 ms returned []
Implicit Place search using SMT with State Equation took 10559 ms to find 0 implicit places.
[2026-05-24 01:25:41] [INFO ] Redundant transitions in 204 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11036 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 34 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8669313481496590216.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12700803834778623746.kers'
[2026-05-24 01:25:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8669313481496590216.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12700803834778623746.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:25:41] [INFO ] Computed 21 invariants in 0 ms
Computed 21 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12700803834778623746.kers
Total runtime 1 ms.
[2026-05-24 01:25:41] [INFO ] After 39ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:25:41] [INFO ] [Nat]Absence check using 21 positive place invariants in 7 ms returned sat
[2026-05-24 01:25:41] [INFO ] After 78ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:25:41] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:25:41] [INFO ] After 10ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:25:41] [INFO ] After 24ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:25:41] [INFO ] After 171ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 251 ms.
RANDOM walk for 40000 steps (8 resets) in 229 ms. (173 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 274076 steps, run timeout after 3001 ms. (steps per millisecond=91 ) properties seen :0 out of 1
Probabilistic random walk after 274076 steps, saw 186323 distinct states, run finished after 3001 ms. (steps per millisecond=91 ) properties seen :0
[2026-05-24 01:25:44] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13680639093940013882.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5591887115829580053.kers'
[2026-05-24 01:25:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13680639093940013882.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5591887115829580053.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:25:44] [INFO ] Computed 31 invariants in 4 ms
Computed 31 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-5591887115829580053.kers
Total runtime 5 ms.
[2026-05-24 01:25:44] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 702 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 172/332 variables, 10/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 12/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/332 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 234/566 variables, 108/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 33/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 297/863 variables, 9/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/863 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 18/881 variables, 9/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/881 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 99/980 variables, 9/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/980 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 630/1610 variables, 414/678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 389/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1610 variables, 0/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/1610 variables, 0/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1067 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4312 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5035ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 166 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 171 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 308 ms. (129 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 269170 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 1
Probabilistic random walk after 269170 steps, saw 183100 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-24 01:25:53] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:25:53] [INFO ] Invariant cache hit.
[2026-05-24 01:25:53] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 874 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 172/332 variables, 10/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 12/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/332 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 234/566 variables, 108/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 33/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 297/863 variables, 9/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/863 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 18/881 variables, 9/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 1/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 8/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/881 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 99/980 variables, 9/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/980 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 630/1610 variables, 414/678 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 389/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1610 variables, 0/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/1610 variables, 0/1067 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1067 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4584 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5470ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 152 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 168 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 169 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:25:59] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:25:59] [INFO ] Invariant cache hit.
[2026-05-24 01:26:00] [INFO ] Implicit Places using invariants in 1698 ms returned []
[2026-05-24 01:26:00] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:26:00] [INFO ] Invariant cache hit.
[2026-05-24 01:26:01] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:26:08] [INFO ] Implicit Places using invariants and state equation in 7886 ms returned []
Implicit Place search using SMT with State Equation took 9589 ms to find 0 implicit places.
[2026-05-24 01:26:08] [INFO ] Redundant transitions in 220 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9985 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 34 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14515918402901195468.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8809557365073902436.kers'
[2026-05-24 01:26:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14515918402901195468.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8809557365073902436.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:26:08] [INFO ] Computed 21 invariants in 0 ms
Computed 21 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8809557365073902436.kers
Total runtime 1 ms.
[2026-05-24 01:26:08] [INFO ] After 31ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:26:08] [INFO ] [Nat]Absence check using 21 positive place invariants in 9 ms returned sat
[2026-05-24 01:26:09] [INFO ] After 82ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:26:09] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:26:09] [INFO ] After 16ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:26:09] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:26:09] [INFO ] After 165ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 239 ms.
RANDOM walk for 40000 steps (8 resets) in 203 ms. (196 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
SDD proceeding with computation,11 properties remain. new max is 65536
SDD size :6.08449e+08 after 7.86427e+08
Interrupted probabilistic random walk after 272888 steps, run timeout after 3001 ms. (steps per millisecond=90 ) properties seen :0 out of 1
Probabilistic random walk after 272888 steps, saw 185519 distinct states, run finished after 3001 ms. (steps per millisecond=90 ) properties seen :0
[2026-05-24 01:26:12] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14674842882763332305.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1735467852709290766.kers'
[2026-05-24 01:26:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14674842882763332305.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1735467852709290766.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1020 rows 590 cols 2480 entries
Finished phase 1 with 549 SingleSign rule and 10 generalized
[2026-05-24 01:26:12] [INFO ] Computed 31 invariants in 5 ms
Computed 31 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-1735467852709290766.kers
Total runtime 11 ms.
[2026-05-24 01:26:12] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 755 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 5937ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 171 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 175 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 182 ms. (218 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 264319 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 1
Probabilistic random walk after 264319 steps, saw 180241 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2026-05-24 01:26:21] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:26:21] [INFO ] Invariant cache hit.
[2026-05-24 01:26:21] [INFO ] State equation strengthened by 436 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 99/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 731 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 44/45 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/47 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/47 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 11/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 297/863 variables, 9/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/863 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/881 variables, 9/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/881 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/881 variables, 11/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/881 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 99/980 variables, 9/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/980 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 630/1610 variables, 414/680 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 389/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 0/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1610 variables, 0/1069 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1069 constraints, problems are : Problem set: 0 solved, 1 unsolved in 6317 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7062ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 109 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 166 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 167 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 166 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2026-05-24 01:26:28] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:26:28] [INFO ] Invariant cache hit.
[2026-05-24 01:26:30] [INFO ] Implicit Places using invariants in 1651 ms returned []
[2026-05-24 01:26:30] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2026-05-24 01:26:30] [INFO ] Invariant cache hit.
[2026-05-24 01:26:31] [INFO ] State equation strengthened by 436 read => feed constraints.
[2026-05-24 01:26:39] [INFO ] Implicit Places using invariants and state equation in 9131 ms returned []
Implicit Place search using SMT with State Equation took 10790 ms to find 0 implicit places.
[2026-05-24 01:26:39] [INFO ] Redundant transitions in 289 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11253 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 35 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7797366696185219482.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-73250877902411253.kers'
[2026-05-24 01:26:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7797366696185219482.kers, --Pflows, --basisKERS=/tmp/petrispot-output-73250877902411253.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 231 rows 61 cols 832 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-24 01:26:40] [INFO ] Computed 21 invariants in 1 ms
Computed 21 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-73250877902411253.kers
Total runtime 1 ms.
[2026-05-24 01:26:40] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:26:40] [INFO ] [Nat]Absence check using 21 positive place invariants in 5 ms returned sat
[2026-05-24 01:26:40] [INFO ] After 77ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-24 01:26:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:26:40] [INFO ] After 11ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:26:40] [INFO ] After 25ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:26:40] [INFO ] After 147ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 224 ms.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3652 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 171 Post agglomeration using F-continuation condition.Transition count delta: 171
Deduced a syphon composed of 171 places in 0 ms
Reduce places removed 171 places and 0 transitions.
Iterating global reduction 2 with 342 rules applied. Total rules applied 633 place count 179 transition count 439
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 723 place count 179 transition count 349
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 743 place count 169 transition count 349
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 753 place count 169 transition count 339
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 763 place count 169 transition count 329
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 853 place count 169 transition count 239
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 943 place count 79 transition count 239
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 953 place count 79 transition count 239
Applied a total of 953 rules in 35 ms. Remains 79 /590 variables (removed 511) and now considering 239/3890 (removed 3651) transitions.
Running SMT prover for 9 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17817417014732249189.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10719690798842955812.kers'
[2026-05-24 01:26:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17817417014732249189.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10719690798842955812.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 239 rows 69 cols 848 entries
Finished phase 1 with 58 SingleSign rule and 0 generalized
[2026-05-24 01:26:40] [INFO ] Computed 21 invariants in 0 ms
Computed 21 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10719690798842955812.kers
Total runtime 1 ms.
[2026-05-24 01:26:40] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2026-05-24 01:26:40] [INFO ] [Nat]Absence check using 21 positive place invariants in 7 ms returned sat
[2026-05-24 01:26:40] [INFO ] After 154ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2026-05-24 01:26:40] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 01:26:40] [INFO ] After 86ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2026-05-24 01:26:40] [INFO ] After 215ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2026-05-24 01:26:40] [INFO ] After 543ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
[2026-05-24 01:26:40] [INFO ] Flatten gal took : 9 ms
[2026-05-24 01:26:40] [INFO ] Flatten gal took : 8 ms
[2026-05-24 01:26:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3711160883878909872.gal : 4 ms
[2026-05-24 01:26:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6434101645628457214.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3711160883878909872.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6434101645628457214.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6434101645628457214.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 16
Invariant property smplace_979 does not hold.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :16 after 60
Invariant property smplace_980 does not hold.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :60 after 150
Invariant property smplace_991 does not hold.
Invariant property smplace_990 does not hold.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :150 after 450
Invariant property smplace_1002 does not hold.
Invariant property smplace_1001 does not hold.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :450 after 1308
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :1308 after 1388
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :1388 after 1420
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :1420 after 1680
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :1680 after 1940
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :1940 after 2376
Invariant property smplace_1012 does not hold.
Invariant property smplace_1011 does not hold.
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2376 after 52920
Invariant property smplace_1023 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 129 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.40767e+07,0.083062,6552,2,449,25,5476,6,0,559,3381,0
Total reachable state count : 14076720
Verifying 9 reachability properties.
Invariant property smplace_979 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_979,18,0.084028,6616,2,112,25,5476,7,0,562,3381,0
Invariant property smplace_980 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_980,8,0.08442,6616,2,85,25,5476,8,0,564,3381,0
Invariant property smplace_990 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_990,12,0.084778,6616,2,94,25,5476,9,0,566,3381,0
Invariant property smplace_991 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_991,18,0.085118,6616,2,120,25,5476,10,0,568,3381,0
Invariant property smplace_1001 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_1001,144,0.085449,6616,2,171,25,5476,11,0,570,3381,0
Invariant property smplace_1002 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_1002,252,0.085743,6616,2,193,25,5476,12,0,572,3381,0
Invariant property smplace_1011 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_1011,7056,0.086051,6616,2,303,25,5476,13,0,574,3381,0
Invariant property smplace_1012 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_1012,7056,0.086362,6616,2,303,25,5476,14,0,576,3381,0
Invariant property smplace_1023 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_1023,74088,0.0868,6616,2,330,25,5476,15,0,578,3381,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 779 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-24 01:26:41] [INFO ] Flatten gal took : 115 ms
[2026-05-24 01:26:41] [INFO ] Flatten gal took : 115 ms
[2026-05-24 01:26:41] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability14043327461769887780.gal : 23 ms
[2026-05-24 01:26:41] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability14954866300895416079.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability14043327461769887780.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability14954866300895416079.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/ReachabilityFireability14954866300895416079.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :9 after 25
Detected timeout of ITS tools.
[2026-05-24 01:26:44] [INFO ] Flatten gal took : 122 ms
[2026-05-24 01:26:44] [INFO ] Applying decomposition
[2026-05-24 01:26:44] [INFO ] Flatten gal took : 123 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2420576853193164212.txt' '-o' '/tmp/graph2420576853193164212.bin' '-w' '/tmp/graph2420576853193164212.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2420576853193164212.bin' '-l' '-1' '-v' '-w' '/tmp/graph2420576853193164212.weights' '-q' '0' '-e' '0.001'
[2026-05-24 01:26:45] [INFO ] Decomposing Gal with order
[2026-05-24 01:26:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 01:26:45] [INFO ] Removed a total of 8680 redundant transitions.
[2026-05-24 01:26:45] [INFO ] Flatten gal took : 396 ms
[2026-05-24 01:26:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 831 labels/synchronizations in 201 ms.
[2026-05-24 01:26:46] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability16589580688893270725.gal : 29 ms
[2026-05-24 01:26:46] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability13302053664971273021.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability16589580688893270725.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability13302053664971273021.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityFireability13302053664971273021.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 190
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :190 after 203
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :203 after 231
Detected timeout of ITS tools.
[2026-05-24 01:26:49] [INFO ] Flatten gal took : 90 ms
[2026-05-24 01:26:49] [INFO ] Flatten gal took : 95 ms
[2026-05-24 01:26:49] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability4725792094379426641.gal : 16 ms
[2026-05-24 01:26:49] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability3808855982714140019.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability4725792094379426641.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability3808855982714140019.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityFireability3808855982714140019.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :9 after 25
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :25 after 33
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :33 after 85
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :85 after 290
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :290 after 436
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :436 after 1085
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :1085 after 4299
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :4299 after 6715
Detected timeout of ITS tools.
[2026-05-24 01:27:19] [INFO ] Flatten gal took : 85 ms
[2026-05-24 01:27:19] [INFO ] Applying decomposition
[2026-05-24 01:27:19] [INFO ] Flatten gal took : 92 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph4147728456101784415.txt' '-o' '/tmp/graph4147728456101784415.bin' '-w' '/tmp/graph4147728456101784415.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph4147728456101784415.bin' '-l' '-1' '-v' '-w' '/tmp/graph4147728456101784415.weights' '-q' '0' '-e' '0.001'
[2026-05-24 01:27:19] [INFO ] Decomposing Gal with order
[2026-05-24 01:27:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 01:27:20] [INFO ] Removed a total of 8664 redundant transitions.
[2026-05-24 01:27:20] [INFO ] Flatten gal took : 324 ms
[2026-05-24 01:27:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 758 labels/synchronizations in 135 ms.
[2026-05-24 01:27:20] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability9362327207528490495.gal : 21 ms
[2026-05-24 01:27:20] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability11782503289350713110.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability9362327207528490495.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability11782503289350713110.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityFireability11782503289350713110.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 427
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :427 after 707
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :707 after 921
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :921 after 1187
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :1187 after 2394
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :2394 after 225297
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :225297 after 3.7487e+07
Detected timeout of ITS tools.
[2026-05-24 01:27:50] [INFO ] Flatten gal took : 83 ms
[2026-05-24 01:27:50] [INFO ] Flatten gal took : 88 ms
[2026-05-24 01:27:50] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability4124761828684750880.gal : 16 ms
[2026-05-24 01:27:50] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability16955021270647805997.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability4124761828684750880.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability16955021270647805997.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityFireability16955021270647805997.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :9 after 25
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :25 after 33
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :33 after 85
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :85 after 290
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :290 after 436
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :436 after 1085
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :1085 after 4299
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :4299 after 6715
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :6715 after 17805
SDD proceeding with computation,9 properties remain. new max is 32768
SDD size :17805 after 84315
SDD proceeding with computation,9 properties remain. new max is 65536
SDD size :84315 after 137043
SDD proceeding with computation,9 properties remain. new max is 131072
SDD size :137043 after 358861
Detected timeout of ITS tools.
[2026-05-24 01:32:51] [INFO ] Flatten gal took : 83 ms
[2026-05-24 01:32:51] [INFO ] Applying decomposition
[2026-05-24 01:32:51] [INFO ] Flatten gal took : 85 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12213426347462737376.txt' '-o' '/tmp/graph12213426347462737376.bin' '-w' '/tmp/graph12213426347462737376.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12213426347462737376.bin' '-l' '-1' '-v' '-w' '/tmp/graph12213426347462737376.weights' '-q' '0' '-e' '0.001'
[2026-05-24 01:32:51] [INFO ] Decomposing Gal with order
[2026-05-24 01:32:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 01:32:51] [INFO ] Removed a total of 8721 redundant transitions.
[2026-05-24 01:32:51] [INFO ] Flatten gal took : 314 ms
[2026-05-24 01:32:52] [INFO ] Fuse similar labels procedure discarded/fused a total of 810 labels/synchronizations in 121 ms.
[2026-05-24 01:32:52] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability14162988632610614544.gal : 20 ms
[2026-05-24 01:32:52] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability10551856056933154767.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability14162988632610614544.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability10551856056933154767.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityFireability10551856056933154767.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 969
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :969 after 8663
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :8663 after 14146
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :14146 after 144041
Invariant property smplace_991 does not hold.
Invariant property smplace_990 does not hold.
Invariant property smplace_980 does not hold.
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :144041 after 823920
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :823920 after 2.33763e+06
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :2.33763e+06 after 4.53447e+06
BK_TIME_CONFINEMENT_REACHED
--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
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="EisenbergMcGuire-PT-10"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 EisenbergMcGuire-PT-10, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r120-smll-177955742400183"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-10.tgz
mv EisenbergMcGuire-PT-10 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;