Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372700213.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is ASLink-PT-04b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372700213
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 5.5K Mar 5 14:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K Mar 5 14:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 5 14:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 5 14:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:08 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:08 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:08 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 5 14:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 177K Mar 5 14:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 5 14:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 113K Mar 5 14:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:08 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:08 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 669K 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 1779687523399

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ASLink-PT-04b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 05:38:44] [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]
[2026-05-25 05:38:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:38:45] [INFO ] Load time of PNML (sax parser for PT used): 228 ms
[2026-05-25 05:38:45] [INFO ] Transformed 2034 places.
[2026-05-25 05:38:45] [INFO ] Transformed 2567 transitions.
[2026-05-25 05:38:45] [INFO ] Found NUPN structural information;
[2026-05-25 05:38:45] [INFO ] Parsed PT model containing 2034 places and 2567 transitions and 7875 arcs in 368 ms.
Structural test allowed to assert that 246 places are NOT stable. Took 25 ms.
[2026-05-25 05:38:46] [INFO ] Flatten gal took : 399 ms
[2026-05-25 05:38:46] [INFO ] Flatten gal took : 212 ms
[2026-05-25 05:38:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16697412106341371204.gal : 107 ms
[2026-05-25 05:38:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4604560242367796592.prop : 15 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16697412106341371204.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4604560242367796592.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (93 resets) in 5088 ms. (7 steps per ms) remains 478/1788 properties
BEST_FIRST walk for 404 steps (8 resets) in 33 ms. (11 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 478/478 properties
BEST_FIRST walk for 402 steps (8 resets) in 12 ms. (30 steps per ms) remains 478/478 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 478/478 properties
BEST_FIRST walk for 402 steps (8 resets) in 12 ms. (30 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 401 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 478/478 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 478/478 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 478/478 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 478/478 properties
Loading property file /tmp/ReachabilityCardinality4604560242367796592.prop.
// Phase 1: matrix 2567 rows 2034 cols
[2026-05-25 05:38:47] [INFO ] Computed 199 invariants in 115 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1788 properties remain. new max is 4
SDD size :1 after 5
Error getting values : (error "ParserException while parsing response: ((s8 (/ 1.0 2.0))
(s9 (/ 1.0 2.0))
(s10 (/ 1.0 2.0))
(s11 (/ 1.0 2.0))
(s12 (/ 1.0 2.0))
(s13 (/ 1.0 2.0))
(s14 (/ 1.0 2.0))
(s15 (/ 1.0 2.0))
(s16 (/ 1.0 2.0))
(s17 (/ 1.0 2.0))
(s18 (/ 1.0 2.0))
(s19 (/ 1.0 2.0))
(s20 (/ 1.0 2.0))
(s21 (/ 1.0 2.0))
(s22 (/ 1.0 2.0))
(s23 (/ 1.0 2.0))
(s24 (/ 1.0 2.0))
(s25 (/ 1.0 2.0))
(s26 (/ 1.0 2.0))
(s27 (/ 1.0 2.0))
(s28 (/ 1.0 2.0))
(s29 (/ 1.0 2.0))
(s30 (/ 1.0 2.0))
(s31 (/ 1.0 2.0))
(s32 (/ 1.0 2.0))
(s33 (/ 1.0 2.0))
(s34 (/ 1.0 2.0))
(s35 (/ 1.0 2.0))
(s36 (/ 1.0 2.0))
(s37 (/ 1.0 2.0))
(s38 (/ 1.0 2.0))
(s39 (/ 1.0 2.0))
(s40 (/ 1.0 2.0))
(s41 (/ 1.0 2.0))
(s42 (/ 1.0 2.0))
(s46 (/ 1.0 2.0))
(s47 (/ 1.0 2.0))
(s48 (/ 1.0 2.0))
(s49 (/ 1.0 2.0))
(s50 (/ 1.0 2.0))
(s51 (/ 1.0 2.0))
(s55 (/ 1.0 2.0))
(s56 (/ 1.0 2.0))
(s57 (/ 1.0 2.0))
(s58 (/ 1.0 2.0))
(s59 (/ 1.0 2.0))
(s60 (/ 1.0 2.0))
(s61 (/ 1.0 2.0))
(s62 (/ 1.0 2.0))
(s63 (/ 1.0 2.0))
(s64 (/ 1.0 2.0))
(s65 (/ 1.0 2.0))
(s66 (/ 1.0 2.0))
(s67 (/ 1.0 2.0))
(s68 (/ 1.0 2.0))
(s69 (/ 1.0 2.0))
(s70 (/ 1.0 2.0))
(s71 (/ 1.0 2.0))
(s72 (/ 1.0 2.0))
(s73 (/ 1.0 2.0))
(s74 (/ 1.0 2.0))
(s75 (/ 1.0 2.0))
(s76 (/ 1.0 2.0))
(s77 (/ 1.0 2.0))
(s78 (/ 1.0 2.0))
(s79 (/ 1.0 2.0))
(s89 (/ 1.0 2.0))
(s90 (/ 1.0 2.0))
(s91 (/ 1.0 2.0))
(s92 (/ 1.0 2.0))
(s93 (/ 1.0 2.0))
(s94 (/ 1.0 2.0))
(s95 (/ 1.0 2.0))
(s96 (/ 1.0 2.0))
(s97 (/ 1.0 2.0))
(s98 (/ 1.0 2.0))
(s99 (/ 1.0 2.0))
(s100 (/ 1.0 2.0))
(s101 (/ 1.0 2.0))
(s102 (/ 1.0 2.0))
(s103 (/ 1.0 2.0))
(s104 (/ 1.0 2.0))
(s105 (/ 1.0 2.0))
(s106 (/ 1.0 2.0))
(s107 (/ 1.0 2.0))
(s108 (/ 1.0 2.0))
(s109 (/ 1.0 2.0))
(s110 (/ 1.0 2.0))
(s111 (/ 1.0 2.0))
(s112 (/ 1.0 2.0))
(s113 (/ 1.0 2.0))
(s114 (/ 1.0 2.0))
(s115 (/ 1.0 2.0))
(s116 (/ 1.0 2.0))
(s117 (/ 1.0 2.0))
(s118 (/ 1.0 2.0))
(s119 (/ 1.0 2.0))
(s120 (/ 1.0 2.0))
(s121 (/ 1.0 2.0))
(s122 (/ 1.0 2.0))
(s123 (/ 1.0 2.0))
(s124 (/ 1.0 2.0))
(s125 (/ 1.0 2.0))
(s126 (/ 1.0 2.0))
(s130 (/ 1.0 2.0))
(s131 (/ 1.0 2.0))
(s132 (/ 1.0 2.0))
(s133 (/ 1.0 2.0))
(s134 (/ 1.0 2.0))
(s135 (/ 1.0 2.0))
(s136 (/ 1.0 2.0))
(s137 (/ 1.0 2.0))
(s138 (/ 1.0 2.0))
(s158 (/ 1.0 2.0))
(s159 (/ 1.0 2.0))
(s160 (/ 1.0 2.0))
(s161 (/ 1.0 2.0))
(s162 (/ 1.0 2.0))
(s163 (/ 1.0 2.0))
(s164 (/ 1.0 2.0))
(s165 (/ 1.0 2.0))
(s166 (/ 1.0 2.0))
(s167 (/ 1.0 2.0))
(s168 (/ 1.0 2.0))
(s169 (/ 1.0 2.0))
(s170 (/ 1.0 2.0))
(s171 (/ 1.0 2.0))
(s172 (/ 1.0 2.0))
(s173 (/ 1.0 2.0))
(s174 (/ 1.0 2.0))
(s175 (/ 1.0 2.0))
(s176 (/ 1.0 2.0))
(s177 (/ 1.0 2.0))
(s178 (/ 1.0 2.0))
(s179 (/ 1.0 2.0))
(s180 (/ 1.0 2.0))
(s181 (/ 1.0 2.0))
(s182 (/ 1.0 2.0))
(s183 (/ 1.0 2.0))
(s184 (/ 1.0 2.0))
(s186 (/ 1.0 2.0))
(s187 (/ 1.0 2.0))
(s198 (/ 1.0 2.0))
(s200 (/ 1.0 2.0))
(s201 (/ 1.0 2.0))
(s202 (/ 1.0 2.0))
(s203 (/ 1.0 2.0))
(s204 (/ 1.0 2.0))
(s205 (/ 1.0 2.0))
(s206 (/ 1.0 2.0))
(s207 (/ 1.0 2.0))
(s208 (/ 1.0 2.0))
(s209 (/ 1.0 2.0))
(s210 (/ 1.0 2.0))
(s211 (/ 1.0 2.0))
(s212 (/ 1.0 2.0))
(s213 (/ 1.0 2.0))
(s214 (/ 1.0 2.0))
(s215 (/ 1.0 2.0))
(s216 (/ 1.0 2.0))
(s217 (/ 1.0 2.0))
(s218 (/ 1.0 2.0))
(s219 (/ 1.0 2.0))
(s220 (/ 1.0 2.0))
(s221 (/ 1.0 2.0))
(s235 (/ 1.0 2.0))
(s236 (/ 1.0 2.0))
(s237 (/ 1.0 2.0))
(s238 (/ 1.0 2.0))
(s239 (/ 1.0 2.0))
(s240 (/ 1.0 2.0))
(s241 (/ 1.0 2.0))
(s242 (/ 1.0 2.0))
(s243 (/ 1.0 2.0))
(s244 (/ 1.0 2.0))
(s245 (/ 1.0 2.0))
(s246 (/ 1.0 2.0))
(s247 (/ 1.0 2.0))
(s248 (/ 1.0 2.0))
(s249 (/ 1.0 2.0))
(s250 (/ 1.0 2.0))
(s251 (/ 1.0 2.0))
(s252 (/ 1.0 2.0))
(s253 (/ 1.0 2.0))
(s254 (/ 1.0 2.0))
(s255 (/ 1.0 2.0))
(s256 (/ 1.0 2.0))
(s257 (/ 1.0 2.0))
(s258 (/ 1.0 2.0))
(s259 (/ 1.0 2.0))
(s260 (/ 1.0 2.0))
(s261 (/ 1.0 2.0))
(s262 (/ 1.0 2.0))
(s263 (/ 1.0 2.0))
(s264 (/ 1.0 2.0))
(s265 (/ 1.0 2.0))
(s266 (/ 1.0 2.0))
(s267 (/ 1.0 2.0))
(s268 (/ 1.0 2.0))
(s269 (/ 1.0 2.0))
(s275 (/ 1.0 2.0))
(s276 (/ 1.0 2.0))
(s277 (/ 1.0 2.0))
(s278 (/ 1.0 2.0))
(s279 (/ 1.0 2.0))
(s280 (/ 1.0 2.0))
(s281 (/ 1.0 2.0))
(s282 (/ 1.0 2.0))
(s283 (/ 1.0 2.0))
(s284 (/ 1.0 2.0))
(s285 (/ 1.0 2.0))
(s286 (/ 1.0 2.0))
(s318 (/ 1.0 2.0))
(s319 (/ 1.0 2.0))
(s320 (/ 1.0 2.0))
(s321 (/ 1.0 2.0))
(s322 (/ 1.0 2.0))
(s323 (/ 1.0 2.0))
(s355 (/ 1.0 2.0))
(s356 (/ 1.0 2.0))
(s357 (/ 1.0 2.0))
(s398 (/ 1.0 2.0))
(s399 (/ 1.0 2.0))
(s400 (/ 1.0 2.0))
(s401 (/ 1.0 2.0))
(s402 (/ 1.0 2.0))
(s403 (/ 1.0 2.0))
(s404 (/ 1.0 2.0))
(s405 (/ 1.0 2.0))
(s406 (/ 1.0 2.0))
(s407 (/ 1.0 2.0))
(s408 (/ 1.0 2.0))
(s409 (/ 1.0 2.0))
(s410 (/ 1.0 2.0))
(s411 (/ 1.0 2.0))
(s412 (/ 1.0 2.0))
(s414 (/ 1.0 2.0))
(s415 (/ 1.0 2.0))
(s416 (/ 1.0 2.0))
(s417 (/ 1.0 2.0))
(s418 (/ 1.0 2.0))
(s419 (/ 1.0 2.0))
(s420 (/ 1.0 2.0))
(s421 (/ 1.0 2.0))
(s422 (/ 1.0 2.0))
(s423 (/ 1.0 2.0))
(s424 (/ 1.0 2.0))
(s425 (/ 1.0 2.0))
(s427 (/ 1.0 2.0))
(s428 (/ 1.0 2.0))
(s429 (/ 1.0 2.0))
(s430 (/ 1.0 2.0))
(s431 (/ 1.0 2.0))
(s432 timeout
(/ 1.0 2.0))
( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/478 variables, 478/478 constraints. Problems are: Problem set: 0 solved, 478 unsolved
SMT process timed out in 5435ms, After SMT, problems are : Problem set: 0 solved, 478 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 478 out of 2034 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2034/2034 places, 2567/2567 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 372 transitions
Trivial Post-agglo rules discarded 372 transitions
Performed 372 trivial Post agglomeration. Transition count delta: 372
Iterating post reduction 0 with 372 rules applied. Total rules applied 372 place count 2034 transition count 2195
Reduce places removed 372 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 394 rules applied. Total rules applied 766 place count 1662 transition count 2173
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 772 place count 1656 transition count 2173
Performed 350 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 350 Pre rules applied. Total rules applied 772 place count 1656 transition count 1823
Deduced a syphon composed of 350 places in 4 ms
Ensure Unique test removed 31 places
Reduce places removed 381 places and 0 transitions.
Iterating global reduction 3 with 731 rules applied. Total rules applied 1503 place count 1275 transition count 1823
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 3 with 22 rules applied. Total rules applied 1525 place count 1272 transition count 1804
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 4 with 19 rules applied. Total rules applied 1544 place count 1253 transition count 1804
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 13 Pre rules applied. Total rules applied 1544 place count 1253 transition count 1791
Deduced a syphon composed of 13 places in 10 ms
Ensure Unique test removed 13 places
Reduce places removed 26 places and 0 transitions.
Iterating global reduction 5 with 39 rules applied. Total rules applied 1583 place count 1227 transition count 1791
SDD proceeding with computation,1788 properties remain. new max is 8
SDD size :5 after 10
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 13 Pre rules applied. Total rules applied 1583 place count 1227 transition count 1778
Deduced a syphon composed of 13 places in 10 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 5 with 26 rules applied. Total rules applied 1609 place count 1214 transition count 1778
Discarding 43 places :
Symmetric choice reduction at 5 with 43 rule applications. Total rules 1652 place count 1171 transition count 1735
Iterating global reduction 5 with 43 rules applied. Total rules applied 1695 place count 1171 transition count 1735
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1696 place count 1171 transition count 1734
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 12 Pre rules applied. Total rules applied 1696 place count 1171 transition count 1722
Deduced a syphon composed of 12 places in 9 ms
Ensure Unique test removed 1 places
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 6 with 25 rules applied. Total rules applied 1721 place count 1158 transition count 1722
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1721 place count 1158 transition count 1721
Deduced a syphon composed of 1 places in 13 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 3 rules applied. Total rules applied 1724 place count 1156 transition count 1721
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1727 place count 1153 transition count 1700
Iterating global reduction 6 with 3 rules applied. Total rules applied 1730 place count 1153 transition count 1700
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1730 place count 1153 transition count 1699
Deduced a syphon composed of 1 places in 8 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1732 place count 1152 transition count 1699
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1733 place count 1151 transition count 1691
Iterating global reduction 6 with 1 rules applied. Total rules applied 1734 place count 1151 transition count 1691
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1735 place count 1150 transition count 1683
Iterating global reduction 6 with 1 rules applied. Total rules applied 1736 place count 1150 transition count 1683
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1737 place count 1149 transition count 1675
Iterating global reduction 6 with 1 rules applied. Total rules applied 1738 place count 1149 transition count 1675
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1739 place count 1148 transition count 1667
Iterating global reduction 6 with 1 rules applied. Total rules applied 1740 place count 1148 transition count 1667
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1741 place count 1147 transition count 1659
Iterating global reduction 6 with 1 rules applied. Total rules applied 1742 place count 1147 transition count 1659
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1743 place count 1146 transition count 1651
Iterating global reduction 6 with 1 rules applied. Total rules applied 1744 place count 1146 transition count 1651
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1745 place count 1145 transition count 1643
Iterating global reduction 6 with 1 rules applied. Total rules applied 1746 place count 1145 transition count 1643
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1747 place count 1144 transition count 1635
Iterating global reduction 6 with 1 rules applied. Total rules applied 1748 place count 1144 transition count 1635
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1749 place count 1143 transition count 1627
Iterating global reduction 6 with 1 rules applied. Total rules applied 1750 place count 1143 transition count 1627
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1751 place count 1142 transition count 1619
Iterating global reduction 6 with 1 rules applied. Total rules applied 1752 place count 1142 transition count 1619
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1753 place count 1141 transition count 1611
Iterating global reduction 6 with 1 rules applied. Total rules applied 1754 place count 1141 transition count 1611
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1755 place count 1140 transition count 1603
Iterating global reduction 6 with 1 rules applied. Total rules applied 1756 place count 1140 transition count 1603
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1757 place count 1139 transition count 1595
Iterating global reduction 6 with 1 rules applied. Total rules applied 1758 place count 1139 transition count 1595
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1759 place count 1138 transition count 1587
Iterating global reduction 6 with 1 rules applied. Total rules applied 1760 place count 1138 transition count 1587
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1761 place count 1137 transition count 1579
Iterating global reduction 6 with 1 rules applied. Total rules applied 1762 place count 1137 transition count 1579
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1763 place count 1136 transition count 1571
Iterating global reduction 6 with 1 rules applied. Total rules applied 1764 place count 1136 transition count 1571
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: 101
Deduced a syphon composed of 101 places in 2 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 6 with 202 rules applied. Total rules applied 1966 place count 1035 transition count 1470
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1968 place count 1034 transition count 1479
Free-agglomeration rule applied 5 times.
Iterating global reduction 6 with 5 rules applied. Total rules applied 1973 place count 1034 transition count 1474
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 1978 place count 1029 transition count 1474
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 7 with 2 rules applied. Total rules applied 1980 place count 1029 transition count 1472
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 1982 place count 1027 transition count 1472
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 1983 place count 1027 transition count 1472
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 1984 place count 1027 transition count 1472
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1985 place count 1026 transition count 1471
Reduce places removed 3 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 4 rules applied. Total rules applied 1989 place count 1023 transition count 1470
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1990 place count 1022 transition count 1470
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 5 Pre rules applied. Total rules applied 1990 place count 1022 transition count 1465
Deduced a syphon composed of 5 places in 8 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 10 with 10 rules applied. Total rules applied 2000 place count 1017 transition count 1465
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 10 with 1 rules applied. Total rules applied 2001 place count 1016 transition count 1465
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 11 with 6 rules applied. Total rules applied 2007 place count 1013 transition count 1462
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 2008 place count 1012 transition count 1461
Iterating global reduction 11 with 1 rules applied. Total rules applied 2009 place count 1012 transition count 1461
Free-agglomeration rule applied 1 times.
Iterating global reduction 11 with 1 rules applied. Total rules applied 2010 place count 1012 transition count 1460
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 2011 place count 1011 transition count 1460
Applied a total of 2011 rules in 1372 ms. Remains 1011 /2034 variables (removed 1023) and now considering 1460/2567 (removed 1107) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1385 ms. Remains : 1011/2034 places, 1460/2567 transitions.
SDD proceeding with computation,1788 properties remain. new max is 16
SDD size :10 after 16
SDD proceeding with computation,1788 properties remain. new max is 32
SDD size :16 after 49
SDD proceeding with computation,1788 properties remain. new max is 64
SDD size :49 after 196
SDD proceeding with computation,1788 properties remain. new max is 128
SDD size :196 after 416
SDD proceeding with computation,1788 properties remain. new max is 256
SDD size :416 after 569
Invariant property smplace_472 does not hold.
Invariant property smplace_471 does not hold.
Invariant property smplace_470 does not hold.
Invariant property smplace_312 does not hold.
Invariant property smplace_311 does not hold.
Invariant property smplace_310 does not hold.
Invariant property smplace_309 does not hold.
Invariant property smplace_308 does not hold.
Invariant property smplace_307 does not hold.
Invariant property smplace_306 does not hold.
Invariant property smplace_305 does not hold.
Invariant property smplace_304 does not hold.
Invariant property smplace_303 does not hold.
Invariant property smplace_302 does not hold.
Invariant property smplace_301 does not hold.
Invariant property smplace_300 does not hold.
Invariant property smplace_299 does not hold.
Invariant property smplace_298 does not hold.
Invariant property smplace_297 does not hold.
Invariant property smplace_296 does not hold.
SDD proceeding with computation,1768 properties remain. new max is 256
SDD size :569 after 15361
Invariant property smplace_444 does not hold.
Invariant property smplace_370 does not hold.
Invariant property smplace_364 does not hold.
Invariant property smplace_363 does not hold.
Invariant property smplace_336 does not hold.
Invariant property smplace_330 does not hold.
Invariant property smplace_329 does not hold.
Invariant property smplace_293 does not hold.
Invariant property smplace_292 does not hold.
Invariant property smplace_232 does not hold.
Invariant property smplace_231 does not hold.
SDD proceeding with computation,1757 properties remain. new max is 256
SDD size :15361 after 37196
Invariant property smplace_380 does not hold.
Invariant property smplace_371 does not hold.
Invariant property smplace_349 does not hold.
Invariant property smplace_348 does not hold.
Invariant property smplace_347 does not hold.
Invariant property smplace_346 does not hold.
Invariant property smplace_345 does not hold.
Invariant property smplace_344 does not hold.
Invariant property smplace_343 does not hold.
Invariant property smplace_342 does not hold.
Invariant property smplace_341 does not hold.
Invariant property smplace_340 does not hold.
Invariant property smplace_339 does not hold.
Invariant property smplace_338 does not hold.
Invariant property smplace_337 does not hold.
Invariant property smplace_335 does not hold.
Invariant property smplace_334 does not hold.
Invariant property smplace_333 does not hold.
SDD proceeding with computation,1739 properties remain. new max is 256
SDD size :37196 after 618139
Invariant property smplace_451 does not hold.
Invariant property smplace_450 does not hold.
Invariant property smplace_396 does not hold.
Invariant property smplace_383 does not hold.
Invariant property smplace_382 does not hold.
Invariant property smplace_381 does not hold.
Invariant property smplace_379 does not hold.
Invariant property smplace_378 does not hold.
Invariant property smplace_377 does not hold.
Invariant property smplace_376 does not hold.
Invariant property smplace_375 does not hold.
Invariant property smplace_374 does not hold.
Invariant property smplace_373 does not hold.
Invariant property smplace_372 does not hold.
Invariant property smplace_369 does not hold.
Invariant property smplace_368 does not hold.
Invariant property smplace_367 does not hold.
SDD proceeding with computation,1722 properties remain. new max is 256
SDD size :618139 after 895449
Invariant property smplace_395 does not hold.
Invariant property smplace_390 does not hold.
Invariant property smplace_388 does not hold.
Invariant property smplace_386 does not hold.
SDD proceeding with computation,1718 properties remain. new max is 256
SDD size :895449 after 902929
Invariant property smplace_812 does not hold.
Invariant property smplace_449 does not hold.
Invariant property smplace_443 does not hold.
Invariant property smplace_442 does not hold.
Invariant property smplace_394 does not hold.
Invariant property smplace_393 does not hold.
Invariant property smplace_392 does not hold.
Invariant property smplace_391 does not hold.
Invariant property smplace_389 does not hold.
Invariant property smplace_387 does not hold.
Invariant property smplace_385 does not hold.
SDD proceeding with computation,1707 properties remain. new max is 256
SDD size :902929 after 1.72565e+07
RANDOM walk for 3741211 steps (48664 resets) in 120004 ms. (31 steps per ms) remains 375/478 properties
BEST_FIRST walk for 40004 steps (111 resets) in 424 ms. (94 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (113 resets) in 333 ms. (119 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (119 resets) in 361 ms. (110 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (120 resets) in 320 ms. (124 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (112 resets) in 419 ms. (95 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (112 resets) in 364 ms. (109 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40001 steps (122 resets) in 336 ms. (118 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (120 resets) in 317 ms. (125 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (121 resets) in 332 ms. (120 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (119 resets) in 325 ms. (122 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (111 resets) in 351 ms. (113 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (110 resets) in 321 ms. (124 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (108 resets) in 296 ms. (134 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (113 resets) in 320 ms. (124 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (115 resets) in 354 ms. (112 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (118 resets) in 357 ms. (111 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (112 resets) in 322 ms. (123 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (120 resets) in 333 ms. (119 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (107 resets) in 336 ms. (118 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (122 resets) in 295 ms. (135 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (124 resets) in 308 ms. (129 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (118 resets) in 338 ms. (118 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (120 resets) in 324 ms. (123 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (113 resets) in 342 ms. (116 steps per ms) remains 375/375 properties
SDD proceeding with computation,1707 properties remain. new max is 512
SDD size :1.72565e+07 after 1.27294e+08
BEST_FIRST walk for 40002 steps (112 resets) in 364 ms. (109 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (113 resets) in 370 ms. (107 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (109 resets) in 368 ms. (108 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (120 resets) in 316 ms. (126 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (112 resets) in 310 ms. (128 steps per ms) remains 375/375 properties
Invariant property smplace_867 does not hold.
Invariant property smplace_866 does not hold.
Invariant property smplace_865 does not hold.
Invariant property smplace_839 does not hold.
Invariant property smplace_817 does not hold.
Invariant property smplace_813 does not hold.
BEST_FIRST walk for 40004 steps (105 resets) in 357 ms. (111 steps per ms) remains 375/375 properties
Invariant property smplace_759 does not hold.
Invariant property smplace_758 does not hold.
BEST_FIRST walk for 40004 steps (116 resets) in 312 ms. (127 steps per ms) remains 375/375 properties
Invariant property smplace_731 does not hold.
Invariant property smplace_725 does not hold.
Invariant property smplace_724 does not hold.
BEST_FIRST walk for 40001 steps (117 resets) in 330 ms. (120 steps per ms) remains 375/375 properties
Invariant property smplace_707 does not hold.
Invariant property smplace_706 does not hold.
Invariant property smplace_705 does not hold.
Invariant property smplace_704 does not hold.
Invariant property smplace_703 does not hold.
Invariant property smplace_702 does not hold.
Invariant property smplace_701 does not hold.
Invariant property smplace_700 does not hold.
Invariant property smplace_699 does not hold.
Invariant property smplace_698 does not hold.
BEST_FIRST walk for 40004 steps (120 resets) in 329 ms. (121 steps per ms) remains 375/375 properties
Invariant property smplace_697 does not hold.
Invariant property smplace_696 does not hold.
Invariant property smplace_695 does not hold.
Invariant property smplace_694 does not hold.
Invariant property smplace_693 does not hold.
Invariant property smplace_692 does not hold.
Invariant property smplace_691 does not hold.
Invariant property smplace_688 does not hold.
Invariant property smplace_687 does not hold.
BEST_FIRST walk for 40002 steps (115 resets) in 343 ms. (116 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (127 resets) in 349 ms. (114 steps per ms) remains 375/375 properties
Invariant property smplace_627 does not hold.
Invariant property smplace_626 does not hold.
BEST_FIRST walk for 40002 steps (116 resets) in 326 ms. (122 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (117 resets) in 343 ms. (116 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (121 resets) in 338 ms. (118 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (118 resets) in 364 ms. (109 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (116 resets) in 330 ms. (120 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40001 steps (116 resets) in 336 ms. (118 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40001 steps (115 resets) in 340 ms. (117 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (114 resets) in 364 ms. (109 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (121 resets) in 378 ms. (105 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40001 steps (114 resets) in 351 ms. (113 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (110 resets) in 352 ms. (113 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (119 resets) in 342 ms. (116 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (113 resets) in 370 ms. (107 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (112 resets) in 347 ms. (114 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (118 resets) in 322 ms. (123 steps per ms) remains 375/375 properties
// Phase 1: matrix 1460 rows 1011 cols
SDD proceeding with computation,1675 properties remain. new max is 512
SDD size :1.27294e+08 after 2.65704e+10
[2026-05-25 05:39:29] [INFO ] Computed 146 invariants in 38 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Invariant property smplace_855 does not hold.
Invariant property smplace_854 does not hold.
Invariant property smplace_853 does not hold.
Invariant property smplace_827 does not hold.
Invariant property smplace_820 does not hold.
Invariant property smplace_819 does not hold.
Invariant property smplace_816 does not hold.
Invariant property smplace_815 does not hold.
Invariant property smplace_814 does not hold.
Invariant property smplace_775 does not hold.
Invariant property smplace_766 does not hold.
Invariant property smplace_765 does not hold.
Invariant property smplace_744 does not hold.
Invariant property smplace_743 does not hold.
Invariant property smplace_742 does not hold.
Invariant property smplace_741 does not hold.
Invariant property smplace_740 does not hold.
Invariant property smplace_739 does not hold.
Invariant property smplace_738 does not hold.
Invariant property smplace_737 does not hold.
Invariant property smplace_736 does not hold.
Invariant property smplace_735 does not hold.
Invariant property smplace_734 does not hold.
Invariant property smplace_733 does not hold.
Invariant property smplace_732 does not hold.
Invariant property smplace_730 does not hold.
Invariant property smplace_729 does not hold.
Invariant property smplace_728 does not hold.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/375 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 375 unsolved
SDD proceeding with computation,1647 properties remain. new max is 512
SDD size :2.65704e+10 after 3.88761e+11
SDD proceeding with computation,1647 properties remain. new max is 1024
SDD size :3.88761e+11 after 3.89056e+11
Invariant property smplace_846 does not hold.
Invariant property smplace_845 does not hold.
Invariant property smplace_791 does not hold.
Invariant property smplace_778 does not hold.
Invariant property smplace_777 does not hold.
Invariant property smplace_776 does not hold.
Invariant property smplace_774 does not hold.
Invariant property smplace_773 does not hold.
Invariant property smplace_772 does not hold.
Invariant property smplace_771 does not hold.
Invariant property smplace_770 does not hold.
Invariant property smplace_769 does not hold.
Invariant property smplace_768 does not hold.
Invariant property smplace_767 does not hold.
Invariant property smplace_764 does not hold.
Invariant property smplace_763 does not hold.
Invariant property smplace_762 does not hold.
SDD proceeding with computation,1630 properties remain. new max is 1024
SDD size :3.89056e+11 after 5.79187e+11
SDD proceeding with computation,1630 properties remain. new max is 2048
SDD size :5.79187e+11 after 5.80686e+11
At refinement iteration 1 (INCLUDED_ONLY) 0/375 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 2 (OVERLAPS) 25/400 variables, 16/27 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/400 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 375 unsolved
Invariant property smplace_1262 does not hold.
Invariant property smplace_1261 does not hold.
Invariant property smplace_1260 does not hold.
Invariant property smplace_1250 does not hold.
Invariant property smplace_1249 does not hold.
Invariant property smplace_1248 does not hold.
Invariant property smplace_1234 does not hold.
Invariant property smplace_1222 does not hold.
Invariant property smplace_1215 does not hold.
Invariant property smplace_1214 does not hold.
Invariant property smplace_1212 does not hold.
Invariant property smplace_1211 does not hold.
Invariant property smplace_1210 does not hold.
Invariant property smplace_1209 does not hold.
Invariant property smplace_1208 does not hold.
Invariant property smplace_1207 does not hold.
Invariant property smplace_1160 does not hold.
Invariant property smplace_1154 does not hold.
Invariant property smplace_1153 does not hold.
Invariant property smplace_1126 does not hold.
Invariant property smplace_1120 does not hold.
Invariant property smplace_1119 does not hold.
Invariant property smplace_1102 does not hold.
Invariant property smplace_1101 does not hold.
Invariant property smplace_1100 does not hold.
Invariant property smplace_1099 does not hold.
Invariant property smplace_1098 does not hold.
Invariant property smplace_1097 does not hold.
Invariant property smplace_1096 does not hold.
Invariant property smplace_1095 does not hold.
Invariant property smplace_1094 does not hold.
Invariant property smplace_1093 does not hold.
Invariant property smplace_1092 does not hold.
Invariant property smplace_1091 does not hold.
Invariant property smplace_1090 does not hold.
Invariant property smplace_1089 does not hold.
Invariant property smplace_1088 does not hold.
Invariant property smplace_1087 does not hold.
Invariant property smplace_1086 does not hold.
Invariant property smplace_1083 does not hold.
Invariant property smplace_1082 does not hold.
Invariant property smplace_1022 does not hold.
Invariant property smplace_1021 does not hold.
Invariant property smplace_844 does not hold.
Invariant property smplace_838 does not hold.
Invariant property smplace_837 does not hold.
Invariant property smplace_826 does not hold.
Invariant property smplace_825 does not hold.
At refinement iteration 4 (INCLUDED_ONLY) 0/400 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 375 unsolved
Invariant property smplace_790 does not hold.
Invariant property smplace_789 does not hold.
Invariant property smplace_788 does not hold.
Invariant property smplace_787 does not hold.
Invariant property smplace_786 does not hold.
Invariant property smplace_785 does not hold.
Invariant property smplace_784 does not hold.
Invariant property smplace_783 does not hold.
Invariant property smplace_782 does not hold.
At refinement iteration 5 (OVERLAPS) 1/401 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 375 unsolved
Invariant property smplace_781 does not hold.
Invariant property smplace_780 does not hold.
At refinement iteration 6 (INCLUDED_ONLY) 0/401 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 7 (OVERLAPS) 196/597 variables, 34/64 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/597 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 9 (OVERLAPS) 45/642 variables, 11/75 constraints. Problems are: Problem set: 0 solved, 375 unsolved
SDD proceeding with computation,1571 properties remain. new max is 2048
SDD size :5.80686e+11 after 1.28923e+17
Invariant property smplace_1241 does not hold.
Invariant property smplace_1240 does not hold.
Invariant property smplace_1186 does not hold.
Invariant property smplace_1173 does not hold.
Invariant property smplace_1172 does not hold.
Invariant property smplace_1171 does not hold.
Invariant property smplace_1170 does not hold.
Invariant property smplace_1169 does not hold.
Invariant property smplace_1168 does not hold.
Invariant property smplace_1167 does not hold.
Invariant property smplace_1166 does not hold.
Invariant property smplace_1165 does not hold.
Invariant property smplace_1164 does not hold.
Invariant property smplace_1163 does not hold.
Invariant property smplace_1162 does not hold.
Invariant property smplace_1161 does not hold.
Invariant property smplace_1159 does not hold.
Invariant property smplace_1158 does not hold.
Invariant property smplace_1157 does not hold.
Invariant property smplace_1139 does not hold.
Invariant property smplace_1138 does not hold.
Invariant property smplace_1137 does not hold.
Invariant property smplace_1136 does not hold.
Invariant property smplace_1135 does not hold.
Invariant property smplace_1134 does not hold.
Invariant property smplace_1133 does not hold.
Invariant property smplace_1132 does not hold.
Invariant property smplace_1131 does not hold.
Invariant property smplace_1130 does not hold.
Invariant property smplace_1129 does not hold.
Invariant property smplace_1128 does not hold.
Invariant property smplace_1127 does not hold.
Invariant property smplace_1125 does not hold.
Invariant property smplace_1124 does not hold.
Invariant property smplace_1123 does not hold.
At refinement iteration 10 (INCLUDED_ONLY) 0/642 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 11 (OVERLAPS) 2/644 variables, 2/77 constraints. Problems are: Problem set: 0 solved, 375 unsolved
SDD proceeding with computation,1536 properties remain. new max is 2048
SDD size :1.28923e+17 after 5.10252e+17
Invariant property smplace_1239 does not hold.
Invariant property smplace_1185 does not hold.
Invariant property smplace_1184 does not hold.
Invariant property smplace_1183 does not hold.
Invariant property smplace_1182 does not hold.
Invariant property smplace_1181 does not hold.
Invariant property smplace_1180 does not hold.
Invariant property smplace_1179 does not hold.
Invariant property smplace_1178 does not hold.
Invariant property smplace_1177 does not hold.
Invariant property smplace_1176 does not hold.
Invariant property smplace_1175 does not hold.
SDD proceeding with computation,1524 properties remain. new max is 2048
SDD size :5.10252e+17 after 5.72712e+18
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 644/2471 variables, and 77 constraints, problems are : Problem set: 0 solved, 375 unsolved in 45029 ms.
Refiners :[Positive P Invariants (semi-flows): 30/39 constraints, Generalized P Invariants (flows): 47/107 constraints, State Equation: 0/1011 constraints, PredecessorRefiner: 375/375 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 375 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/375 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 375 unsolved
Invariant property smplace_1657 does not hold.
Invariant property smplace_1656 does not hold.
Invariant property smplace_1655 does not hold.
Invariant property smplace_1645 does not hold.
Invariant property smplace_1607 does not hold.
Invariant property smplace_1606 does not hold.
Invariant property smplace_1603 does not hold.
Invariant property smplace_1602 does not hold.
Invariant property smplace_1521 does not hold.
Invariant property smplace_1497 does not hold.
Invariant property smplace_1496 does not hold.
Invariant property smplace_1495 does not hold.
Invariant property smplace_1494 does not hold.
Invariant property smplace_1493 does not hold.
Invariant property smplace_1492 does not hold.
Invariant property smplace_1491 does not hold.
Invariant property smplace_1490 does not hold.
Invariant property smplace_1489 does not hold.
Invariant property smplace_1488 does not hold.
Invariant property smplace_1487 does not hold.
Invariant property smplace_1486 does not hold.
Invariant property smplace_1485 does not hold.
Invariant property smplace_1484 does not hold.
Invariant property smplace_1483 does not hold.
Invariant property smplace_1482 does not hold.
Invariant property smplace_1481 does not hold.
Invariant property smplace_1233 does not hold.
Invariant property smplace_1232 does not hold.
Invariant property smplace_1221 does not hold.
Invariant property smplace_1220 does not hold.
At refinement iteration 1 (INCLUDED_ONLY) 0/375 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 2 (OVERLAPS) 25/400 variables, 16/27 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/400 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/400 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 5 (OVERLAPS) 1/401 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 375 unsolved
SDD proceeding with computation,1494 properties remain. new max is 2048
SDD size :5.72712e+18 after 1.95128e+22
At refinement iteration 6 (INCLUDED_ONLY) 0/401 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 375 unsolved
At refinement iteration 7 (OVERLAPS) 196/597 variables, 34/64 constraints. Problems are: Problem set: 0 solved, 375 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:38] [INFO ] Deduced a trap composed of 42 places in 199 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:38] [INFO ] Deduced a trap composed of 36 places in 280 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:38] [INFO ] Deduced a trap composed of 36 places in 159 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:39] [INFO ] Deduced a trap composed of 13 places in 192 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:39] [INFO ] Deduced a trap composed of 14 places in 162 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:41] [INFO ] Deduced a trap composed of 46 places in 277 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:41] [INFO ] Deduced a trap composed of 47 places in 234 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:43] [INFO ] Deduced a trap composed of 66 places in 209 ms of which 30 ms to minimize.
Invariant property smplace_1644 does not hold.
Invariant property smplace_1643 does not hold.
Invariant property smplace_1636 does not hold.
Invariant property smplace_1635 does not hold.
Invariant property smplace_1629 does not hold.
Invariant property smplace_1605 does not hold.
Invariant property smplace_1604 does not hold.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property smplace_1581 does not hold.
Invariant property smplace_1580 does not hold.
Invariant property smplace_1575 does not hold.
Invariant property smplace_1573 does not hold.
Invariant property smplace_1571 does not hold.
Invariant property smplace_1568 does not hold.
Invariant property smplace_1567 does not hold.
Invariant property smplace_1566 does not hold.
Invariant property smplace_1565 does not hold.
Invariant property smplace_1564 does not hold.
Invariant property smplace_1563 does not hold.
Invariant property smplace_1562 does not hold.
Invariant property smplace_1561 does not hold.
Invariant property smplace_1560 does not hold.
Invariant property smplace_1559 does not hold.
Invariant property smplace_1558 does not hold.
Invariant property smplace_1557 does not hold.
Invariant property smplace_1556 does not hold.
Invariant property smplace_1555 does not hold.
Invariant property smplace_1554 does not hold.
Invariant property smplace_1553 does not hold.
Invariant property smplace_1552 does not hold.
Invariant property smplace_1549 does not hold.
Invariant property smplace_1548 does not hold.
Invariant property smplace_1534 does not hold.
Invariant property smplace_1533 does not hold.
Invariant property smplace_1532 does not hold.
Invariant property smplace_1531 does not hold.
Invariant property smplace_1530 does not hold.
Invariant property smplace_1529 does not hold.
Invariant property smplace_1528 does not hold.
Invariant property smplace_1527 does not hold.
Invariant property smplace_1526 does not hold.
Invariant property smplace_1525 does not hold.
Invariant property smplace_1524 does not hold.
Invariant property smplace_1523 does not hold.
Invariant property smplace_1522 does not hold.
Invariant property smplace_1520 does not hold.
Invariant property smplace_1519 does not hold.
Invariant property smplace_1518 does not hold.
Invariant property smplace_1515 does not hold.
Invariant property smplace_1514 does not hold.
[2026-05-25 05:40:43] [INFO ] Deduced a trap composed of 44 places in 218 ms of which 38 ms to minimize.
Invariant property smplace_1478 does not hold.
Invariant property smplace_1477 does not hold.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:44] [INFO ] Deduced a trap composed of 61 places in 122 ms of which 18 ms to minimize.
Invariant property smplace_1417 does not hold.
Invariant property smplace_1416 does not hold.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:46] [INFO ] Deduced a trap composed of 33 places in 179 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:48] [INFO ] Deduced a trap composed of 41 places in 107 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:50] [INFO ] Deduced a trap composed of 29 places in 126 ms of which 14 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/597 variables, 13/77 constraints. Problems are: Problem set: 0 solved, 375 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:54] [INFO ] Deduced a trap composed of 45 places in 279 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:55] [INFO ] Deduced a trap composed of 66 places in 167 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:40:55] [INFO ] Deduced a trap composed of 76 places in 207 ms of which 44 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 597/2471 variables, and 80 constraints, problems are : Problem set: 0 solved, 375 unsolved in 45025 ms.
Refiners :[Positive P Invariants (semi-flows): 17/39 constraints, Generalized P Invariants (flows): 47/107 constraints, State Equation: 0/1011 constraints, PredecessorRefiner: 0/375 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90190ms problems are : Problem set: 0 solved, 375 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 375 out of 1011 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1011/1011 places, 1460/1460 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 1011 transition count 1436
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 48 place count 987 transition count 1436
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 23 Pre rules applied. Total rules applied 48 place count 987 transition count 1413
Deduced a syphon composed of 23 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 47 rules applied. Total rules applied 95 place count 963 transition count 1413
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 96 place count 963 transition count 1412
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 97 place count 962 transition count 1412
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 3 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 25 rules applied. Total rules applied 122 place count 949 transition count 1400
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 122 place count 949 transition count 1399
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 124 place count 948 transition count 1399
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 4 with 1 rules applied. Total rules applied 125 place count 947 transition count 1399
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 129 place count 945 transition count 1397
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 130 place count 944 transition count 1396
Iterating global reduction 5 with 1 rules applied. Total rules applied 131 place count 944 transition count 1396
Free-agglomeration rule applied 1 times.
Iterating global reduction 5 with 1 rules applied. Total rules applied 132 place count 944 transition count 1395
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 133 place count 943 transition count 1395
Applied a total of 133 rules in 174 ms. Remains 943 /1011 variables (removed 68) and now considering 1395/1460 (removed 65) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 943/1011 places, 1395/1460 transitions.
RANDOM walk for 3989116 steps (51425 resets) in 118196 ms. (33 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (114 resets) in 396 ms. (100 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (111 resets) in 488 ms. (81 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (118 resets) in 385 ms. (103 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (119 resets) in 485 ms. (82 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (116 resets) in 436 ms. (91 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (108 resets) in 350 ms. (113 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (113 resets) in 314 ms. (126 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (120 resets) in 343 ms. (116 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (113 resets) in 346 ms. (115 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (116 resets) in 391 ms. (102 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (115 resets) in 327 ms. (121 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (113 resets) in 388 ms. (102 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (111 resets) in 311 ms. (128 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (115 resets) in 286 ms. (139 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (113 resets) in 366 ms. (109 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (113 resets) in 349 ms. (114 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (117 resets) in 336 ms. (118 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (116 resets) in 301 ms. (132 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (116 resets) in 302 ms. (132 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (111 resets) in 335 ms. (119 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (119 resets) in 344 ms. (115 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (112 resets) in 352 ms. (113 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (116 resets) in 321 ms. (124 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (117 resets) in 308 ms. (129 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (118 resets) in 300 ms. (132 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (117 resets) in 322 ms. (123 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40001 steps (117 resets) in 293 ms. (136 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (113 resets) in 372 ms. (107 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (111 resets) in 322 ms. (123 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40001 steps (101 resets) in 337 ms. (118 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (113 resets) in 326 ms. (122 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (124 resets) in 315 ms. (126 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (116 resets) in 328 ms. (121 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (116 resets) in 324 ms. (123 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (114 resets) in 368 ms. (108 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (119 resets) in 318 ms. (125 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (117 resets) in 435 ms. (91 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (117 resets) in 353 ms. (113 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (117 resets) in 309 ms. (129 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (118 resets) in 307 ms. (129 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (104 resets) in 356 ms. (112 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (123 resets) in 312 ms. (127 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (119 resets) in 347 ms. (114 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (121 resets) in 325 ms. (122 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40001 steps (118 resets) in 304 ms. (131 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (111 resets) in 331 ms. (120 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40002 steps (112 resets) in 371 ms. (107 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (119 resets) in 353 ms. (113 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40004 steps (115 resets) in 310 ms. (128 steps per ms) remains 375/375 properties
BEST_FIRST walk for 40003 steps (115 resets) in 305 ms. (130 steps per ms) remains 375/375 properties
SDD proceeding with computation,1441 properties remain. new max is 2048
SDD size :1.95128e+22 after 5.5133e+23
Invariant property smplace_1912 does not hold.
Invariant property smplace_1757 does not hold.
Invariant property smplace_1756 does not hold.
Invariant property smplace_1755 does not hold.
Invariant property smplace_1754 does not hold.
Invariant property smplace_1753 does not hold.
Invariant property smplace_1726 does not hold.
Invariant property smplace_1634 does not hold.
Invariant property smplace_1628 does not hold.
Invariant property smplace_1627 does not hold.
Invariant property smplace_1626 does not hold.
Invariant property smplace_1625 does not hold.
Invariant property smplace_1624 does not hold.
Invariant property smplace_1617 does not hold.
Invariant property smplace_1616 does not hold.
Invariant property smplace_1610 does not hold.
Invariant property smplace_1609 does not hold.
Invariant property smplace_1579 does not hold.
Invariant property smplace_1578 does not hold.
Invariant property smplace_1577 does not hold.
Invariant property smplace_1576 does not hold.
Invariant property smplace_1574 does not hold.
Invariant property smplace_1572 does not hold.
Invariant property smplace_1570 does not hold.
Invariant property smplace_1476 does not hold.
Invariant property smplace_1475 does not hold.
Invariant property smplace_1474 does not hold.
Invariant property smplace_1473 does not hold.
Invariant property smplace_1472 does not hold.
Invariant property smplace_1459 does not hold.
Invariant property smplace_1458 does not hold.
Invariant property smplace_1457 does not hold.
Invariant property smplace_1456 does not hold.
Invariant property smplace_1415 does not hold.
Invariant property smplace_1341 does not hold.
SDD proceeding with computation,1406 properties remain. new max is 2048
SDD size :5.5133e+23 after 5.64973e+25
Invariant property smplace_1375 does not hold.
Invariant property smplace_1374 does not hold.
Interrupted probabilistic random walk after 5532173 steps, run timeout after 105001 ms. (steps per millisecond=52 ) properties seen :33 out of 375
Probabilistic random walk after 5532173 steps, saw 1409758 distinct states, run finished after 105013 ms. (steps per millisecond=52 ) properties seen :33
// Phase 1: matrix 1395 rows 943 cols
[2026-05-25 05:43:21] [INFO ] Computed 143 invariants in 14 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/342 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/342 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 2 (OVERLAPS) 12/354 variables, 15/26 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/354 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 5 (OVERLAPS) 112/466 variables, 24/52 constraints. Problems are: Problem set: 0 solved, 342 unsolved
SDD proceeding with computation,1404 properties remain. new max is 2048
SDD size :5.64973e+25 after 5.64986e+25
At refinement iteration 6 (INCLUDED_ONLY) 0/466 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 7 (OVERLAPS) 41/507 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 342 unsolved
SDD proceeding with computation,1404 properties remain. new max is 4096
SDD size :5.64986e+25 after 5.656e+25
Invariant property smplace_1414 does not hold.
Invariant property smplace_1413 does not hold.
SDD proceeding with computation,1402 properties remain. new max is 4096
SDD size :5.656e+25 after 5.66357e+25
At refinement iteration 8 (INCLUDED_ONLY) 0/507 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Invariant property smplace_1623 does not hold.
At refinement iteration 9 (OVERLAPS) 2/509 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Invariant property smplace_1340 does not hold.
Invariant property smplace_1339 does not hold.
At refinement iteration 10 (INCLUDED_ONLY) 0/509 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 11 (OVERLAPS) 129/638 variables, 22/82 constraints. Problems are: Problem set: 0 solved, 342 unsolved
SDD proceeding with computation,1399 properties remain. new max is 4096
SDD size :5.66357e+25 after 5.68325e+25
At refinement iteration 12 (INCLUDED_ONLY) 0/638 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 13 (OVERLAPS) 26/664 variables, 4/86 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/664 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 15 (OVERLAPS) 2/666 variables, 2/88 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/666 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 17 (OVERLAPS) 109/775 variables, 15/103 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/775 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 19 (OVERLAPS) 74/849 variables, 9/112 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 849/2338 variables, and 112 constraints, problems are : Problem set: 0 solved, 342 unsolved in 75028 ms.
Refiners :[Positive P Invariants (semi-flows): 38/40 constraints, Generalized P Invariants (flows): 74/103 constraints, State Equation: 0/943 constraints, PredecessorRefiner: 342/342 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 342 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/342 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/342 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 2 (OVERLAPS) 12/354 variables, 15/26 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/354 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/354 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 5 (OVERLAPS) 112/466 variables, 24/52 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:47] [INFO ] Deduced a trap composed of 13 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:48] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:48] [INFO ] Deduced a trap composed of 66 places in 178 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:48] [INFO ] Deduced a trap composed of 42 places in 127 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:49] [INFO ] Deduced a trap composed of 23 places in 213 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:49] [INFO ] Deduced a trap composed of 36 places in 133 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:49] [INFO ] Deduced a trap composed of 36 places in 128 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:49] [INFO ] Deduced a trap composed of 55 places in 124 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:51] [INFO ] Deduced a trap composed of 44 places in 190 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:51] [INFO ] Deduced a trap composed of 58 places in 106 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:53] [INFO ] Deduced a trap composed of 33 places in 212 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:54] [INFO ] Deduced a trap composed of 41 places in 112 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:55] [INFO ] Deduced a trap composed of 29 places in 181 ms of which 35 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/466 variables, 13/65 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:44:58] [INFO ] Deduced a trap composed of 79 places in 157 ms of which 23 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/466 variables, 1/66 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/466 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 9 (OVERLAPS) 41/507 variables, 6/72 constraints. Problems are: Problem set: 0 solved, 342 unsolved
SDD proceeding with computation,1399 properties remain. new max is 8192
SDD size :5.68325e+25 after 5.69073e+25
At refinement iteration 10 (INCLUDED_ONLY) 0/507 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Invariant property smplace_1513 does not hold.
Invariant property smplace_1512 does not hold.
Invariant property smplace_1511 does not hold.
At refinement iteration 11 (OVERLAPS) 2/509 variables, 2/74 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Invariant property smplace_1510 does not hold.
Invariant property smplace_1509 does not hold.
Invariant property smplace_1502 does not hold.
Invariant property smplace_1501 does not hold.
Invariant property smplace_1500 does not hold.
Invariant property smplace_1499 does not hold.
Invariant property smplace_1378 does not hold.
Invariant property smplace_1377 does not hold.
SDD proceeding with computation,1388 properties remain. new max is 8192
SDD size :5.69073e+25 after 5.70237e+25
At refinement iteration 12 (INCLUDED_ONLY) 0/509 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 342 unsolved
At refinement iteration 13 (OVERLAPS) 129/638 variables, 22/96 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Invariant property smplace_1547 does not hold.
Invariant property smplace_1546 does not hold.
Invariant property smplace_1545 does not hold.
Invariant property smplace_1544 does not hold.
Invariant property smplace_1543 does not hold.
Invariant property smplace_1539 does not hold.
Invariant property smplace_1538 does not hold.
Invariant property smplace_1537 does not hold.
Invariant property smplace_1536 does not hold.
Invariant property smplace_1381 does not hold.
Invariant property smplace_1380 does not hold.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:45:49] [INFO ] Deduced a trap composed of 31 places in 241 ms of which 24 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/638 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 342 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:45:51] [INFO ] Deduced a trap composed of 34 places in 265 ms of which 31 ms to minimize.
SMT process timed out in 150132ms, After SMT, problems are : Problem set: 0 solved, 342 unsolved
Fused 342 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 342 out of 943 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 943/943 places, 1395/1395 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 943 transition count 1381
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 28 place count 929 transition count 1381
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 28 place count 929 transition count 1374
Deduced a syphon composed of 7 places in 3 ms
Ensure Unique test removed 1 places
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 15 rules applied. Total rules applied 43 place count 921 transition count 1374
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 43 place count 921 transition count 1373
Deduced a syphon composed of 1 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 919 transition count 1373
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 46 place count 919 transition count 1372
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 48 place count 918 transition count 1372
Applied a total of 48 rules in 52 ms. Remains 918 /943 variables (removed 25) and now considering 1372/1395 (removed 23) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 918/943 places, 1372/1395 transitions.
SDD proceeding with computation,1377 properties remain. new max is 8192
SDD size :5.70237e+25 after 5.79355e+25
Invariant property smplace_1752 does not hold.
Invariant property smplace_1751 does not hold.
Invariant property smplace_1750 does not hold.
Invariant property smplace_1622 does not hold.
Invariant property smplace_1621 does not hold.
Invariant property smplace_1620 does not hold.
Invariant property smplace_1619 does not hold.
Invariant property smplace_1618 does not hold.
RANDOM walk for 4000000 steps (52152 resets) in 103293 ms. (38 steps per ms) remains 265/342 properties
BEST_FIRST walk for 40004 steps (112 resets) in 321 ms. (124 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (118 resets) in 264 ms. (150 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (118 resets) in 267 ms. (149 steps per ms) remains 265/265 properties
Invariant property smplace_1338 does not hold.
BEST_FIRST walk for 40003 steps (120 resets) in 277 ms. (143 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (120 resets) in 260 ms. (153 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (114 resets) in 258 ms. (154 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (105 resets) in 248 ms. (160 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (114 resets) in 315 ms. (126 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (113 resets) in 236 ms. (168 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (113 resets) in 260 ms. (153 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (115 resets) in 252 ms. (158 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (119 resets) in 281 ms. (141 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (121 resets) in 297 ms. (134 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (118 resets) in 234 ms. (170 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (114 resets) in 302 ms. (132 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (116 resets) in 294 ms. (135 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (114 resets) in 285 ms. (139 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (112 resets) in 293 ms. (136 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (114 resets) in 281 ms. (141 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (121 resets) in 262 ms. (152 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (111 resets) in 256 ms. (155 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (119 resets) in 297 ms. (134 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (118 resets) in 264 ms. (150 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (120 resets) in 236 ms. (168 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (115 resets) in 268 ms. (148 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (117 resets) in 288 ms. (138 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (123 resets) in 278 ms. (143 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (117 resets) in 268 ms. (148 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (108 resets) in 302 ms. (132 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (117 resets) in 243 ms. (163 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (109 resets) in 223 ms. (178 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (113 resets) in 260 ms. (153 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (115 resets) in 257 ms. (155 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (114 resets) in 266 ms. (149 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (121 resets) in 225 ms. (177 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (121 resets) in 251 ms. (158 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (115 resets) in 285 ms. (139 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (119 resets) in 314 ms. (126 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (111 resets) in 372 ms. (107 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (110 resets) in 244 ms. (163 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (115 resets) in 231 ms. (172 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (117 resets) in 266 ms. (149 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (111 resets) in 252 ms. (158 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (122 resets) in 254 ms. (156 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40002 steps (120 resets) in 242 ms. (164 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (114 resets) in 265 ms. (150 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (119 resets) in 231 ms. (172 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (114 resets) in 254 ms. (156 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40003 steps (114 resets) in 266 ms. (149 steps per ms) remains 265/265 properties
BEST_FIRST walk for 40004 steps (118 resets) in 273 ms. (146 steps per ms) remains 265/265 properties
// Phase 1: matrix 1372 rows 918 cols
[2026-05-25 05:46:23] [INFO ] Computed 141 invariants in 11 ms
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/265 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/265 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (OVERLAPS) 18/283 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/283 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (OVERLAPS) 183/466 variables, 27/52 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/466 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 7 (OVERLAPS) 31/497 variables, 6/58 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/497 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 9 (OVERLAPS) 2/499 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/499 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 11 (OVERLAPS) 114/613 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/613 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 13 (OVERLAPS) 26/639 variables, 4/84 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/639 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 15 (OVERLAPS) 2/641 variables, 2/86 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 17 (OVERLAPS) 109/750 variables, 15/101 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/750 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 19 (OVERLAPS) 60/810 variables, 8/109 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/810 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 21 (OVERLAPS) 8/818 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/818 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 23 (OVERLAPS) 98/916 variables, 29/139 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/916 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 25 (OVERLAPS) 1/917 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/917 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 27 (OVERLAPS) 1/918 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/918 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 29 (OVERLAPS) 1372/2290 variables, 918/1059 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2290/2290 variables, and 1059 constraints, problems are : Problem set: 0 solved, 265 unsolved in 90028 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 102/102 constraints, State Equation: 918/918 constraints, PredecessorRefiner: 265/265 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 265 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/265 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/265 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 2 (OVERLAPS) 18/283 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/283 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 5 (OVERLAPS) 183/466 variables, 27/52 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:01] [INFO ] Deduced a trap composed of 47 places in 226 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:02] [INFO ] Deduced a trap composed of 13 places in 150 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:02] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:03] [INFO ] Deduced a trap composed of 36 places in 117 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:03] [INFO ] Deduced a trap composed of 84 places in 177 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:04] [INFO ] Deduced a trap composed of 23 places in 291 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:04] [INFO ] Deduced a trap composed of 42 places in 108 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:04] [INFO ] Deduced a trap composed of 44 places in 113 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:07] [INFO ] Deduced a trap composed of 33 places in 206 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:07] [INFO ] Deduced a trap composed of 29 places in 264 ms of which 23 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/466 variables, 10/62 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:11] [INFO ] Deduced a trap composed of 45 places in 220 ms of which 23 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/466 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:18] [INFO ] Deduced a trap composed of 79 places in 177 ms of which 25 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/466 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/466 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 10 (OVERLAPS) 31/497 variables, 6/70 constraints. Problems are: Problem set: 0 solved, 265 unsolved
SDD proceeding with computation,1368 properties remain. new max is 8192
SDD size :5.79355e+25 after 6.21574e+25
At refinement iteration 11 (INCLUDED_ONLY) 0/497 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 265 unsolved
At refinement iteration 12 (OVERLAPS) 2/499 variables, 2/72 constraints. Problems are: Problem set: 0 solved, 265 unsolved
Detected timeout of ITS tools.
[2026-05-25 05:48:47] [INFO ] Flatten gal took : 80 ms
[2026-05-25 05:48:47] [INFO ] Applying decomposition
[2026-05-25 05:48:47] [INFO ] Flatten gal took : 73 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13972524449694526652.txt' '-o' '/tmp/graph13972524449694526652.bin' '-w' '/tmp/graph13972524449694526652.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13972524449694526652.bin' '-l' '-1' '-v' '-w' '/tmp/graph13972524449694526652.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:48:47] [INFO ] Decomposing Gal with order
[2026-05-25 05:48:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:48:47] [INFO ] Removed a total of 1938 redundant transitions.
[2026-05-25 05:48:48] [INFO ] Flatten gal took : 244 ms
[2026-05-25 05:48:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 20 labels/synchronizations in 74 ms.
[2026-05-25 05:48:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3980998259064448878.gal : 32 ms
[2026-05-25 05:48:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2832601031817421702.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3980998259064448878.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2832601031817421702.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality2832601031817421702.prop.
SDD proceeding with computation,265 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,265 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,265 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,265 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,265 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,265 properties remain. new max is 128
SDD size :1 after 130
SDD proceeding with computation,265 properties remain. new max is 256
SDD size :130 after 127165
Invariant property smplace_852 does not hold.
Invariant property smplace_851 does not hold.
Invariant property smplace_850 does not hold.
Invariant property smplace_843 does not hold.
Invariant property smplace_842 does not hold.
Invariant property smplace_841 does not hold.
Invariant property smplace_807 does not hold.
At refinement iteration 13 (INCLUDED_ONLY) 0/499 variables, 0/72 constraints. Problems are: Problem set: 7 solved, 258 unsolved
Invariant property smplace_806 does not hold.
Invariant property smplace_805 does not hold.
Invariant property smplace_804 does not hold.
Invariant property smplace_803 does not hold.
Invariant property smplace_802 does not hold.
Invariant property smplace_801 does not hold.
Invariant property smplace_800 does not hold.
Invariant property smplace_799 does not hold.
Invariant property smplace_604 does not hold.
Invariant property smplace_603 does not hold.
Invariant property smplace_602 does not hold.
Invariant property smplace_601 does not hold.
Invariant property smplace_600 does not hold.
Invariant property smplace_599 does not hold.
Invariant property smplace_598 does not hold.
Invariant property smplace_597 does not hold.
Invariant property smplace_596 does not hold.
Invariant property smplace_595 does not hold.
Invariant property smplace_256 does not hold.
Invariant property smplace_255 does not hold.
Invariant property smplace_254 does not hold.
Invariant property smplace_253 does not hold.
Invariant property smplace_94 does not hold.
Invariant property smplace_93 does not hold.
Invariant property smplace_92 does not hold.
SDD proceeding with computation,233 properties remain. new max is 256
SDD size :127165 after 2.4462e+27
At refinement iteration 14 (OVERLAPS) 114/613 variables, 20/92 constraints. Problems are: Problem set: 32 solved, 233 unsolved
Invariant property smplace_647 does not hold.
Invariant property smplace_646 does not hold.
Invariant property smplace_645 does not hold.
Invariant property smplace_644 does not hold.
Invariant property smplace_643 does not hold.
Invariant property smplace_469 does not hold.
Invariant property smplace_468 does not hold.
Invariant property smplace_467 does not hold.
Invariant property smplace_463 does not hold.
Invariant property smplace_462 does not hold.
Invariant property smplace_461 does not hold.
Invariant property smplace_460 does not hold.
Invariant property smplace_459 does not hold.
Invariant property smplace_458 does not hold.
Invariant property smplace_457 does not hold.
Invariant property smplace_456 does not hold.
Invariant property smplace_455 does not hold.
Invariant property smplace_448 does not hold.
Invariant property smplace_447 does not hold.
Invariant property smplace_446 does not hold.
Invariant property smplace_432 does not hold.
Invariant property smplace_431 does not hold.
Invariant property smplace_430 does not hold.
Invariant property smplace_425 does not hold.
Invariant property smplace_424 does not hold.
Invariant property smplace_422 does not hold.
Invariant property smplace_421 does not hold.
Invariant property smplace_420 does not hold.
Invariant property smplace_419 does not hold.
Invariant property smplace_418 does not hold.
Invariant property smplace_417 does not hold.
Invariant property smplace_412 does not hold.
Invariant property smplace_411 does not hold.
Invariant property smplace_410 does not hold.
Invariant property smplace_409 does not hold.
Invariant property smplace_408 does not hold.
Invariant property smplace_407 does not hold.
Invariant property smplace_406 does not hold.
Invariant property smplace_405 does not hold.
Invariant property smplace_404 does not hold.
Invariant property smplace_403 does not hold.
Invariant property smplace_402 does not hold.
Invariant property smplace_401 does not hold.
Invariant property smplace_400 does not hold.
Invariant property smplace_399 does not hold.
Invariant property smplace_398 does not hold.
Invariant property smplace_252 does not hold.
Invariant property smplace_251 does not hold.
Invariant property smplace_250 does not hold.
Invariant property smplace_249 does not hold.
Invariant property smplace_248 does not hold.
Invariant property smplace_221 does not hold.
Invariant property smplace_220 does not hold.
Invariant property smplace_219 does not hold.
Invariant property smplace_218 does not hold.
Invariant property smplace_217 does not hold.
Invariant property smplace_216 does not hold.
Invariant property smplace_215 does not hold.
Invariant property smplace_214 does not hold.
Invariant property smplace_213 does not hold.
Invariant property smplace_212 does not hold.
Invariant property smplace_211 does not hold.
Invariant property smplace_210 does not hold.
Invariant property smplace_209 does not hold.
Invariant property smplace_208 does not hold.
Invariant property smplace_207 does not hold.
Invariant property smplace_206 does not hold.
Invariant property smplace_205 does not hold.
Invariant property smplace_204 does not hold.
Invariant property smplace_203 does not hold.
Invariant property smplace_202 does not hold.
Invariant property smplace_201 does not hold.
Invariant property smplace_200 does not hold.
Invariant property smplace_198 does not hold.
Invariant property smplace_184 does not hold.
Invariant property smplace_183 does not hold.
Invariant property smplace_182 does not hold.
Invariant property smplace_181 does not hold.
Invariant property smplace_180 does not hold.
Invariant property smplace_179 does not hold.
Invariant property smplace_178 does not hold.
Invariant property smplace_177 does not hold.
Invariant property smplace_176 does not hold.
Invariant property smplace_175 does not hold.
Invariant property smplace_174 does not hold.
Invariant property smplace_173 does not hold.
Invariant property smplace_172 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_170 does not hold.
Invariant property smplace_169 does not hold.
Invariant property smplace_168 does not hold.
Invariant property smplace_167 does not hold.
Invariant property smplace_166 does not hold.
Invariant property smplace_165 does not hold.
Invariant property smplace_164 does not hold.
Invariant property smplace_163 does not hold.
Invariant property smplace_162 does not hold.
Invariant property smplace_161 does not hold.
Invariant property smplace_160 does not hold.
Invariant property smplace_159 does not hold.
Invariant property smplace_158 does not hold.
Invariant property smplace_91 does not hold.
Invariant property smplace_90 does not hold.
Invariant property smplace_89 does not hold.
Invariant property smplace_79 does not hold.
Invariant property smplace_78 does not hold.
Invariant property smplace_77 does not hold.
Invariant property smplace_76 does not hold.
Invariant property smplace_75 does not hold.
Invariant property smplace_74 does not hold.
Invariant property smplace_73 does not hold.
Invariant property smplace_72 does not hold.
Invariant property smplace_71 does not hold.
Invariant property smplace_70 does not hold.
Invariant property smplace_69 does not hold.
Invariant property smplace_68 does not hold.
Invariant property smplace_65 does not hold.
Invariant property smplace_64 does not hold.
Invariant property smplace_63 does not hold.
Invariant property smplace_62 does not hold.
Invariant property smplace_61 does not hold.
Invariant property smplace_59 does not hold.
Invariant property smplace_58 does not hold.
Invariant property smplace_57 does not hold.
Invariant property smplace_56 does not hold.
Invariant property smplace_55 does not hold.
Invariant property smplace_51 does not hold.
Invariant property smplace_50 does not hold.
Invariant property smplace_49 does not hold.
Invariant property smplace_48 does not hold.
Invariant property smplace_47 does not hold.
Invariant property smplace_46 does not hold.
Invariant property smplace_42 does not hold.
Invariant property smplace_41 does not hold.
Invariant property smplace_40 does not hold.
Invariant property smplace_39 does not hold.
Invariant property smplace_38 does not hold.
Invariant property smplace_37 does not hold.
Invariant property smplace_36 does not hold.
Invariant property smplace_35 does not hold.
Invariant property smplace_34 does not hold.
Invariant property smplace_33 does not hold.
Invariant property smplace_32 does not hold.
Invariant property smplace_31 does not hold.
Invariant property smplace_30 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_28 does not hold.
Invariant property smplace_27 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_24 does not hold.
Invariant property smplace_23 does not hold.
Invariant property smplace_22 does not hold.
Invariant property smplace_21 does not hold.
Invariant property smplace_20 does not hold.
Invariant property smplace_19 does not hold.
Invariant property smplace_18 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_15 does not hold.
Invariant property smplace_14 does not hold.
Invariant property smplace_13 does not hold.
Invariant property smplace_12 does not hold.
Invariant property smplace_11 does not hold.
Invariant property smplace_10 does not hold.
Invariant property smplace_9 does not hold.
Invariant property smplace_8 does not hold.
SDD proceeding with computation,66 properties remain. new max is 256
SDD size :2.4462e+27 after 6.14739e+27
At refinement iteration 15 (INCLUDED_ONLY) 0/613 variables, 0/92 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 16 (OVERLAPS) 26/639 variables, 4/96 constraints. Problems are: Problem set: 199 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:48:57] [INFO ] Deduced a trap composed of 80 places in 141 ms of which 31 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/639 variables, 1/97 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/639 variables, 0/97 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 19 (OVERLAPS) 2/641 variables, 2/99 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/641 variables, 0/99 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 21 (OVERLAPS) 109/750 variables, 15/114 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/750 variables, 0/114 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 23 (OVERLAPS) 60/810 variables, 8/122 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/810 variables, 0/122 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 25 (OVERLAPS) 8/818 variables, 1/123 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/818 variables, 0/123 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 27 (OVERLAPS) 98/916 variables, 29/152 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/916 variables, 0/152 constraints. Problems are: Problem set: 199 solved, 66 unsolved
At refinement iteration 29 (OVERLAPS) 1/917 variables, 1/153 constraints. Problems are: Problem set: 199 solved, 66 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 917/2290 variables, and 153 constraints, problems are : Problem set: 199 solved, 66 unsolved in 90009 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 101/102 constraints, State Equation: 0/918 constraints, PredecessorRefiner: 0/265 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 180089ms problems are : Problem set: 199 solved, 66 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 66 out of 918 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 918/918 places, 1372/1372 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 0 with 35 rules applied. Total rules applied 35 place count 918 transition count 1337
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 1 with 35 rules applied. Total rules applied 70 place count 883 transition count 1337
Performed 76 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 76 Pre rules applied. Total rules applied 70 place count 883 transition count 1261
Deduced a syphon composed of 76 places in 2 ms
Ensure Unique test removed 8 places
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 230 place count 799 transition count 1261
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 2 with 9 rules applied. Total rules applied 239 place count 798 transition count 1253
Reduce places removed 8 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 10 rules applied. Total rules applied 249 place count 789 transition count 1252
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 250 place count 788 transition count 1252
Discarding 7 places :
Symmetric choice reduction at 5 with 7 rule applications. Total rules 257 place count 781 transition count 1245
Iterating global reduction 5 with 7 rules applied. Total rules applied 264 place count 781 transition count 1245
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 265 place count 780 transition count 1239
Iterating global reduction 5 with 1 rules applied. Total rules applied 266 place count 780 transition count 1239
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 266 place count 780 transition count 1238
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 268 place count 779 transition count 1238
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 2 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 5 with 46 rules applied. Total rules applied 314 place count 754 transition count 1217
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 5 with 2 rules applied. Total rules applied 316 place count 754 transition count 1215
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 318 place count 752 transition count 1215
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 6 Pre rules applied. Total rules applied 318 place count 752 transition count 1209
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 330 place count 746 transition count 1209
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 7 with 2 rules applied. Total rules applied 332 place count 744 transition count 1209
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 334 place count 742 transition count 1202
Ensure Unique test removed 1 places
Iterating global reduction 8 with 3 rules applied. Total rules applied 337 place count 741 transition count 1202
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 8 with 1 rules applied. Total rules applied 338 place count 740 transition count 1202
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 339 place count 739 transition count 1201
Iterating global reduction 9 with 1 rules applied. Total rules applied 340 place count 739 transition count 1201
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 2 rules applied. Total rules applied 342 place count 739 transition count 1199
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 343 place count 738 transition count 1199
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 11 with 10 rules applied. Total rules applied 353 place count 733 transition count 1194
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 356 place count 730 transition count 1191
Iterating global reduction 11 with 3 rules applied. Total rules applied 359 place count 730 transition count 1191
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 360 place count 729 transition count 1190
Iterating global reduction 11 with 1 rules applied. Total rules applied 361 place count 729 transition count 1190
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 362 place count 729 transition count 1189
Free-agglomeration rule applied 2 times.
Iterating global reduction 12 with 2 rules applied. Total rules applied 364 place count 729 transition count 1187
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 366 place count 727 transition count 1187
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 13 with 1 rules applied. Total rules applied 367 place count 727 transition count 1186
Reduce places removed 1 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 13 with 2 rules applied. Total rules applied 369 place count 725 transition count 1186
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 14 with 1 Pre rules applied. Total rules applied 369 place count 725 transition count 1185
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 14 with 2 rules applied. Total rules applied 371 place count 724 transition count 1185
Applied a total of 371 rules in 248 ms. Remains 724 /918 variables (removed 194) and now considering 1185/1372 (removed 187) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 248 ms. Remains : 724/918 places, 1185/1372 transitions.
RANDOM walk for 4000000 steps (51164 resets) in 39420 ms. (101 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (1165 resets) in 1336 ms. (299 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1170 resets) in 1352 ms. (295 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (1165 resets) in 1372 ms. (291 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1169 resets) in 1396 ms. (286 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (1137 resets) in 1453 ms. (275 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1153 resets) in 1321 ms. (302 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1163 resets) in 1406 ms. (284 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1163 resets) in 1249 ms. (320 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1175 resets) in 1356 ms. (294 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1183 resets) in 1244 ms. (321 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1195 resets) in 1346 ms. (296 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1136 resets) in 1344 ms. (297 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1174 resets) in 1399 ms. (285 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1171 resets) in 1291 ms. (309 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1168 resets) in 1412 ms. (283 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1178 resets) in 1268 ms. (315 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1158 resets) in 1358 ms. (294 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1157 resets) in 1318 ms. (303 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1149 resets) in 1297 ms. (308 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1171 resets) in 1232 ms. (324 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1177 resets) in 1358 ms. (294 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1171 resets) in 1406 ms. (284 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1167 resets) in 1307 ms. (305 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1184 resets) in 1358 ms. (294 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1194 resets) in 1319 ms. (303 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (1170 resets) in 1313 ms. (304 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1188 resets) in 1360 ms. (293 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1159 resets) in 1266 ms. (315 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (1202 resets) in 1200 ms. (333 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1157 resets) in 1309 ms. (305 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400001 steps (1163 resets) in 1201 ms. (332 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1188 resets) in 1273 ms. (313 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (1164 resets) in 1407 ms. (284 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1168 resets) in 1310 ms. (305 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (1146 resets) in 1415 ms. (282 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (1196 resets) in 1366 ms. (292 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1151 resets) in 1434 ms. (278 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1190 resets) in 1290 ms. (309 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1168 resets) in 1452 ms. (275 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1160 resets) in 1237 ms. (323 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1148 resets) in 1273 ms. (313 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1157 resets) in 1201 ms. (332 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1163 resets) in 1347 ms. (296 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1193 resets) in 1192 ms. (335 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1155 resets) in 1291 ms. (309 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1185 resets) in 1200 ms. (333 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400001 steps (1183 resets) in 1282 ms. (311 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1170 resets) in 1225 ms. (326 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (1160 resets) in 1227 ms. (325 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (1176 resets) in 1179 ms. (338 steps per ms) remains 66/66 properties
Interrupted probabilistic random walk after 8118743 steps, run timeout after 96001 ms. (steps per millisecond=84 ) properties seen :0 out of 66
Probabilistic random walk after 8118743 steps, saw 2178854 distinct states, run finished after 96001 ms. (steps per millisecond=84 ) properties seen :0
// Phase 1: matrix 1185 rows 724 cols
[2026-05-25 05:51:32] [INFO ] Computed 122 invariants in 9 ms
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 22/88 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 3/91 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (OVERLAPS) 175/266 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/266 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 28/294 variables, 6/38 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/294 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (OVERLAPS) 2/296 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/296 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 11 (OVERLAPS) 123/419 variables, 21/61 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/419 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 13 (OVERLAPS) 26/445 variables, 4/65 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/445 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 15 (OVERLAPS) 2/447 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/447 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 17 (OVERLAPS) 109/556 variables, 15/82 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 19 (OVERLAPS) 60/616 variables, 8/90 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/616 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 21 (OVERLAPS) 8/624 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/624 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 23 (OVERLAPS) 98/722 variables, 29/120 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/722 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 25 (OVERLAPS) 1/723 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/723 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 27 (OVERLAPS) 1/724 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/724 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 29 (OVERLAPS) 1185/1909 variables, 724/846 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1909 variables, 0/846 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 31 (OVERLAPS) 0/1909 variables, 0/846 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1909/1909 variables, and 846 constraints, problems are : Problem set: 0 solved, 66 unsolved in 14494 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 90/90 constraints, State Equation: 724/724 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 22/88 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 3/91 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (OVERLAPS) 175/266 variables, 24/32 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/266 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (OVERLAPS) 28/294 variables, 6/38 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/294 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (OVERLAPS) 2/296 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/296 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 11 (OVERLAPS) 123/419 variables, 21/61 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:51:50] [INFO ] Deduced a trap composed of 43 places in 126 ms of which 12 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/419 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/419 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 14 (OVERLAPS) 26/445 variables, 4/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/445 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 16 (OVERLAPS) 2/447 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/447 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 18 (OVERLAPS) 109/556 variables, 15/83 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 20 (OVERLAPS) 60/616 variables, 8/91 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/616 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 22 (OVERLAPS) 8/624 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/624 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 24 (OVERLAPS) 98/722 variables, 29/121 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/722 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 26 (OVERLAPS) 1/723 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/723 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 28 (OVERLAPS) 1/724 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/724 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 30 (OVERLAPS) 1185/1909 variables, 724/847 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1909 variables, 66/913 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1909 variables, 0/913 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 33 (OVERLAPS) 0/1909 variables, 0/913 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1909/1909 variables, and 913 constraints, problems are : Problem set: 0 solved, 66 unsolved in 41711 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 90/90 constraints, State Equation: 724/724 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56244ms problems are : Problem set: 0 solved, 66 unsolved
Fused 66 Parikh solutions to 59 different solutions.
Parikh walk visited 0 properties in 20830 ms.
Support contains 66 out of 724 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 724/724 places, 1185/1185 transitions.
Applied a total of 0 rules in 19 ms. Remains 724 /724 variables (removed 0) and now considering 1185/1185 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 724/724 places, 1185/1185 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 724/724 places, 1185/1185 transitions.
Applied a total of 0 rules in 18 ms. Remains 724 /724 variables (removed 0) and now considering 1185/1185 (removed 0) transitions.
[2026-05-25 05:52:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:52:50] [INFO ] Implicit Places using invariants in 614 ms returned [0, 18, 19, 32, 50, 68, 159, 179, 180, 181, 199, 217, 238, 308, 309, 320, 321, 323, 340, 358, 427, 431, 432, 443, 444, 446, 463, 481, 550, 554, 555, 558, 569, 570, 571, 589, 591, 595, 613, 614, 615, 616, 628, 634, 640, 646, 652, 658, 664, 670, 676, 682, 688]
[2026-05-25 05:52:50] [INFO ] Actually due to overlaps returned [589, 571, 50, 199, 340, 463, 595, 32, 323, 446, 180, 181, 320, 443, 569, 613, 179, 321, 444, 570, 591, 614, 0, 19, 308, 309, 431, 432, 554, 555, 68, 358, 481, 615, 658, 676, 688, 18, 217, 238, 558, 616, 628, 634, 640, 646, 652, 664, 670, 682]
Discarding 50 places :
Implicit Place search using SMT only with invariants took 624 ms to find 50 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 674/724 places, 1185/1185 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 87 transitions
Trivial Post-agglo rules discarded 87 transitions
Performed 87 trivial Post agglomeration. Transition count delta: 87
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 671 transition count 1098
Reduce places removed 87 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 91 rules applied. Total rules applied 181 place count 584 transition count 1094
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 181 place count 584 transition count 1073
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 43 rules applied. Total rules applied 224 place count 562 transition count 1073
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 2 with 12 rules applied. Total rules applied 236 place count 558 transition count 1065
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 244 place count 550 transition count 1065
Discarding 15 places :
Symmetric choice reduction at 4 with 15 rule applications. Total rules 259 place count 535 transition count 1050
Iterating global reduction 4 with 15 rules applied. Total rules applied 274 place count 535 transition count 1050
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 277 place count 535 transition count 1047
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 277 place count 535 transition count 1046
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 279 place count 534 transition count 1046
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 282 place count 531 transition count 1040
Iterating global reduction 5 with 3 rules applied. Total rules applied 285 place count 531 transition count 1040
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 286 place count 530 transition count 1039
Iterating global reduction 5 with 1 rules applied. Total rules applied 287 place count 530 transition count 1039
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 288 place count 529 transition count 1037
Iterating global reduction 5 with 1 rules applied. Total rules applied 289 place count 529 transition count 1037
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 34
Deduced a syphon composed of 34 places in 1 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 5 with 68 rules applied. Total rules applied 357 place count 495 transition count 1003
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 360 place count 492 transition count 1000
Iterating global reduction 5 with 3 rules applied. Total rules applied 363 place count 492 transition count 1000
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 366 place count 492 transition count 997
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 370 place count 490 transition count 998
Free-agglomeration rule (complex) applied 9 times.
Iterating global reduction 6 with 9 rules applied. Total rules applied 379 place count 490 transition count 989
Ensure Unique test removed 1 places
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 389 place count 480 transition count 989
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 7 with 12 rules applied. Total rules applied 401 place count 480 transition count 989
Applied a total of 401 rules in 164 ms. Remains 480 /674 variables (removed 194) and now considering 989/1185 (removed 196) transitions.
// Phase 1: matrix 989 rows 480 cols
[2026-05-25 05:52:50] [INFO ] Computed 63 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:52:50] [INFO ] Implicit Places using invariants in 529 ms returned [77, 118, 124, 127, 129, 140, 141, 233, 239, 242, 244, 249, 250, 302, 319, 325, 328, 330, 335, 336, 388, 405, 411, 414, 416]
[2026-05-25 05:52:50] [INFO ] Actually due to overlaps returned [140, 249, 335, 141, 250, 336, 118, 124, 129, 233, 239, 244, 319, 325, 330, 405, 411, 416, 77, 302, 388]
Discarding 21 places :
Implicit Place search using SMT only with invariants took 532 ms to find 21 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 459/724 places, 989/1185 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 443 transition count 973
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 443 transition count 973
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 36 place count 439 transition count 969
Iterating global reduction 0 with 4 rules applied. Total rules applied 40 place count 439 transition count 969
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 54 place count 432 transition count 962
Free-agglomeration rule applied 12 times.
Iterating global reduction 0 with 12 rules applied. Total rules applied 66 place count 432 transition count 950
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 78 place count 420 transition count 950
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 81 place count 420 transition count 947
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 84 place count 417 transition count 947
Applied a total of 84 rules in 63 ms. Remains 417 /459 variables (removed 42) and now considering 947/989 (removed 42) transitions.
// Phase 1: matrix 947 rows 417 cols
[2026-05-25 05:52:51] [INFO ] Computed 42 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:52:51] [INFO ] Implicit Places using invariants in 242 ms returned []
[2026-05-25 05:52:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:52:52] [INFO ] Implicit Places using invariants and state equation in 771 ms returned []
Implicit Place search using SMT with State Equation took 1016 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 417/724 places, 947/1185 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 2420 ms. Remains : 417/724 places, 947/1185 transitions.
RANDOM walk for 4000000 steps (78777 resets) in 35474 ms. (112 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2158 resets) in 1081 ms. (369 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400001 steps (2156 resets) in 1181 ms. (338 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2239 resets) in 1225 ms. (326 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2153 resets) in 1175 ms. (340 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2141 resets) in 1366 ms. (292 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2156 resets) in 1380 ms. (289 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2126 resets) in 1191 ms. (335 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2212 resets) in 1332 ms. (300 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2171 resets) in 1107 ms. (361 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2182 resets) in 1220 ms. (327 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2178 resets) in 1221 ms. (327 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2148 resets) in 1130 ms. (353 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2098 resets) in 1208 ms. (330 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2199 resets) in 1142 ms. (349 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2173 resets) in 1248 ms. (320 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2119 resets) in 1283 ms. (311 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2115 resets) in 1115 ms. (358 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2175 resets) in 1243 ms. (321 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2138 resets) in 1348 ms. (296 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2131 resets) in 1230 ms. (324 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2186 resets) in 1126 ms. (354 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2157 resets) in 1222 ms. (327 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2147 resets) in 1111 ms. (359 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2154 resets) in 1165 ms. (343 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2173 resets) in 1093 ms. (365 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2193 resets) in 1256 ms. (318 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400001 steps (2164 resets) in 1195 ms. (334 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2201 resets) in 1208 ms. (330 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2170 resets) in 1422 ms. (281 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2190 resets) in 1088 ms. (367 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2192 resets) in 1223 ms. (326 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2185 resets) in 1249 ms. (320 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2167 resets) in 1298 ms. (307 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2177 resets) in 1266 ms. (315 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2178 resets) in 1259 ms. (317 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2186 resets) in 1354 ms. (295 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2162 resets) in 1222 ms. (327 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2152 resets) in 1397 ms. (286 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2148 resets) in 1253 ms. (318 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2158 resets) in 1440 ms. (277 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2169 resets) in 1140 ms. (350 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2139 resets) in 1287 ms. (310 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2181 resets) in 1171 ms. (341 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2168 resets) in 1371 ms. (291 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2170 resets) in 1344 ms. (297 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2175 resets) in 1199 ms. (333 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2155 resets) in 1394 ms. (286 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400004 steps (2170 resets) in 1190 ms. (335 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400003 steps (2175 resets) in 1154 ms. (346 steps per ms) remains 66/66 properties
BEST_FIRST walk for 400002 steps (2161 resets) in 1292 ms. (309 steps per ms) remains 66/66 properties
Interrupted probabilistic random walk after 8433074 steps, run timeout after 90001 ms. (steps per millisecond=93 ) properties seen :8 out of 66
Probabilistic random walk after 8433074 steps, saw 2574344 distinct states, run finished after 90001 ms. (steps per millisecond=93 ) properties seen :8
[2026-05-25 05:54:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 11/69 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 7/76 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 147/223 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 7/230 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/230 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 13/243 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/243 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 33/276 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/276 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (OVERLAPS) 107/383 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/383 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 16 (OVERLAPS) 18/401 variables, 3/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/401 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 18 (OVERLAPS) 16/417 variables, 2/42 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/417 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 20 (OVERLAPS) 947/1364 variables, 417/459 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1364 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 22 (OVERLAPS) 0/1364 variables, 0/459 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1364/1364 variables, and 459 constraints, problems are : Problem set: 0 solved, 58 unsolved in 7151 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 417/417 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 11/69 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 7/76 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 147/223 variables, 11/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/223 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 7/230 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/230 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 13/243 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/243 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 33/276 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/276 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (OVERLAPS) 107/383 variables, 13/37 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/383 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 16 (OVERLAPS) 18/401 variables, 3/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:55:08] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 3 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/401 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 19 (OVERLAPS) 16/417 variables, 2/43 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/417 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 21 (OVERLAPS) 947/1364 variables, 417/460 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1364 variables, 58/518 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1364 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 24 (OVERLAPS) 0/1364 variables, 0/518 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1364/1364 variables, and 518 constraints, problems are : Problem set: 0 solved, 58 unsolved in 25598 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 30/30 constraints, State Equation: 417/417 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 32775ms problems are : Problem set: 0 solved, 58 unsolved
Fused 58 Parikh solutions to 52 different solutions.
Parikh walk visited 0 properties in 8473 ms.
Support contains 58 out of 417 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 417/417 places, 947/947 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 417 transition count 943
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 413 transition count 943
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 16 place count 409 transition count 939
Applied a total of 16 rules in 18 ms. Remains 409 /417 variables (removed 8) and now considering 939/947 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 409/417 places, 939/947 transitions.
RANDOM walk for 4000000 steps (79103 resets) in 32567 ms. (122 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2173 resets) in 1241 ms. (322 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2168 resets) in 1175 ms. (340 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2177 resets) in 1202 ms. (332 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2179 resets) in 1079 ms. (370 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2166 resets) in 1288 ms. (310 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2215 resets) in 1143 ms. (349 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2181 resets) in 1164 ms. (343 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400000 steps (2162 resets) in 1203 ms. (332 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2191 resets) in 1275 ms. (313 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2171 resets) in 1151 ms. (347 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2137 resets) in 1301 ms. (307 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2131 resets) in 1175 ms. (340 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2210 resets) in 1124 ms. (355 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2163 resets) in 1133 ms. (352 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2159 resets) in 1093 ms. (365 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2138 resets) in 1153 ms. (346 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2161 resets) in 1036 ms. (385 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2199 resets) in 1163 ms. (343 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2169 resets) in 1114 ms. (358 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2184 resets) in 1037 ms. (385 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2168 resets) in 1121 ms. (356 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2167 resets) in 1069 ms. (373 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2119 resets) in 1096 ms. (364 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2186 resets) in 1134 ms. (352 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2181 resets) in 1315 ms. (303 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2168 resets) in 1243 ms. (321 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2167 resets) in 1128 ms. (354 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2151 resets) in 1187 ms. (336 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2176 resets) in 1320 ms. (302 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2170 resets) in 1135 ms. (352 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2150 resets) in 1314 ms. (304 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2153 resets) in 1114 ms. (358 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2183 resets) in 1133 ms. (352 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2160 resets) in 1016 ms. (393 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2228 resets) in 1187 ms. (336 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2180 resets) in 1035 ms. (386 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2147 resets) in 1115 ms. (358 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2194 resets) in 1072 ms. (372 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2130 resets) in 1147 ms. (348 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2179 resets) in 1144 ms. (349 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2144 resets) in 1133 ms. (352 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2142 resets) in 1071 ms. (373 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2148 resets) in 1112 ms. (359 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2178 resets) in 1129 ms. (353 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2171 resets) in 1350 ms. (296 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2173 resets) in 1104 ms. (361 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2232 resets) in 1191 ms. (335 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2198 resets) in 1148 ms. (348 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2173 resets) in 1098 ms. (363 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2154 resets) in 1023 ms. (390 steps per ms) remains 58/58 properties
Interrupted probabilistic random walk after 7328405 steps, run timeout after 87001 ms. (steps per millisecond=84 ) properties seen :0 out of 58
Probabilistic random walk after 7328405 steps, saw 2683876 distinct states, run finished after 87001 ms. (steps per millisecond=84 ) properties seen :0
// Phase 1: matrix 939 rows 409 cols
[2026-05-25 05:57:30] [INFO ] Computed 42 invariants in 7 ms
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 5/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 1/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 147/211 variables, 10/16 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/211 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 5/216 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 101/317 variables, 9/28 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/317 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 17/334 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (OVERLAPS) 51/385 variables, 7/38 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/385 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 16 (OVERLAPS) 22/407 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/407 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 18 (OVERLAPS) 2/409 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/409 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 20 (OVERLAPS) 939/1348 variables, 409/451 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1348 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 22 (OVERLAPS) 0/1348 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1348/1348 variables, and 451 constraints, problems are : Problem set: 0 solved, 58 unsolved in 6725 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 31/31 constraints, State Equation: 409/409 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 5/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 1/64 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 147/211 variables, 10/16 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/211 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 5/216 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/216 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 101/317 variables, 9/28 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/317 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 17/334 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/334 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (OVERLAPS) 51/385 variables, 7/38 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/385 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 16 (OVERLAPS) 22/407 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/407 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 18 (OVERLAPS) 2/409 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:57:43] [INFO ] Deduced a trap composed of 13 places in 109 ms of which 7 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/409 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/409 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 21 (OVERLAPS) 939/1348 variables, 409/452 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1348 variables, 58/510 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1348 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 24 (OVERLAPS) 0/1348 variables, 0/510 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1348/1348 variables, and 510 constraints, problems are : Problem set: 0 solved, 58 unsolved in 20829 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 31/31 constraints, State Equation: 409/409 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27591ms problems are : Problem set: 0 solved, 58 unsolved
Fused 58 Parikh solutions to 53 different solutions.
Parikh walk visited 0 properties in 11554 ms.
Support contains 58 out of 409 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 409/409 places, 939/939 transitions.
Applied a total of 0 rules in 10 ms. Remains 409 /409 variables (removed 0) and now considering 939/939 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 409/409 places, 939/939 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 409/409 places, 939/939 transitions.
Applied a total of 0 rules in 9 ms. Remains 409 /409 variables (removed 0) and now considering 939/939 (removed 0) transitions.
[2026-05-25 05:58:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:58:10] [INFO ] Implicit Places using invariants in 362 ms returned [114]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 364 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 408/409 places, 939/939 transitions.
Applied a total of 0 rules in 13 ms. Remains 408 /408 variables (removed 0) and now considering 939/939 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 386 ms. Remains : 408/409 places, 939/939 transitions.
RANDOM walk for 4000000 steps (78431 resets) in 32594 ms. (122 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2163 resets) in 1018 ms. (392 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2184 resets) in 1029 ms. (388 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2185 resets) in 1229 ms. (325 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2153 resets) in 1224 ms. (326 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2172 resets) in 1054 ms. (379 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2163 resets) in 1328 ms. (300 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2144 resets) in 1162 ms. (343 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2173 resets) in 1201 ms. (332 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2186 resets) in 1241 ms. (322 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2182 resets) in 1228 ms. (325 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2172 resets) in 1240 ms. (322 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2153 resets) in 1188 ms. (336 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2170 resets) in 1018 ms. (392 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2164 resets) in 1127 ms. (354 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2166 resets) in 1050 ms. (380 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2161 resets) in 1084 ms. (368 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2165 resets) in 1113 ms. (359 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2190 resets) in 1014 ms. (394 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2171 resets) in 1047 ms. (381 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2152 resets) in 1090 ms. (366 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2192 resets) in 1138 ms. (351 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2174 resets) in 1017 ms. (392 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2138 resets) in 1196 ms. (334 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2159 resets) in 1136 ms. (351 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2171 resets) in 995 ms. (401 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2145 resets) in 1079 ms. (370 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2196 resets) in 1009 ms. (396 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2168 resets) in 971 ms. (411 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2179 resets) in 1107 ms. (361 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2193 resets) in 1035 ms. (386 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2201 resets) in 1140 ms. (350 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2199 resets) in 1018 ms. (392 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2157 resets) in 1112 ms. (359 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2230 resets) in 1099 ms. (363 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2159 resets) in 1069 ms. (373 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2185 resets) in 1111 ms. (359 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2166 resets) in 1073 ms. (372 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2181 resets) in 1152 ms. (346 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2162 resets) in 989 ms. (404 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2174 resets) in 1083 ms. (369 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2154 resets) in 1035 ms. (386 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2190 resets) in 1031 ms. (387 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2132 resets) in 1011 ms. (395 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2156 resets) in 1058 ms. (377 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2198 resets) in 1100 ms. (363 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2173 resets) in 998 ms. (400 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2157 resets) in 1220 ms. (327 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2189 resets) in 1254 ms. (318 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2162 resets) in 1154 ms. (346 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2193 resets) in 1208 ms. (330 steps per ms) remains 58/58 properties
Detected timeout of ITS tools.
Interrupted probabilistic random walk after 7566220 steps, run timeout after 81001 ms. (steps per millisecond=93 ) properties seen :0 out of 58
Probabilistic random walk after 7566220 steps, saw 2179267 distinct states, run finished after 81003 ms. (steps per millisecond=93 ) properties seen :0
// Phase 1: matrix 939 rows 408 cols
[2026-05-25 05:59:58] [INFO ] Computed 41 invariants in 7 ms
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 5/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 147/210 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 5/215 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 110/325 variables, 9/27 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 16 (OVERLAPS) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1347/1347 variables, and 449 constraints, problems are : Problem set: 0 solved, 58 unsolved in 7794 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 5/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 147/210 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 5/215 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 110/325 variables, 9/27 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:00:11] [INFO ] Deduced a trap composed of 13 places in 122 ms of which 7 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/408 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 15 (OVERLAPS) 939/1347 variables, 408/450 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1347 variables, 58/508 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1347 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 18 (OVERLAPS) 0/1347 variables, 0/508 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1347/1347 variables, and 508 constraints, problems are : Problem set: 0 solved, 58 unsolved in 21843 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 29683ms problems are : Problem set: 0 solved, 58 unsolved
Fused 58 Parikh solutions to 52 different solutions.
Parikh walk visited 0 properties in 10385 ms.
Support contains 58 out of 408 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 939/939 transitions.
Applied a total of 0 rules in 10 ms. Remains 408 /408 variables (removed 0) and now considering 939/939 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 408/408 places, 939/939 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 939/939 transitions.
Applied a total of 0 rules in 10 ms. Remains 408 /408 variables (removed 0) and now considering 939/939 (removed 0) transitions.
[2026-05-25 06:00:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:00:38] [INFO ] Implicit Places using invariants in 267 ms returned []
[2026-05-25 06:00:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:00:39] [INFO ] Implicit Places using invariants and state equation in 687 ms returned []
Implicit Place search using SMT with State Equation took 969 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:00:39] [INFO ] Redundant transitions in 86 ms returned []
Running 914 sub problems to find dead transitions.
[2026-05-25 06:00:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 31/37 constraints. Problems are: Problem set: 0 solved, 914 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 407/1347 variables, and 37 constraints, problems are : Problem set: 0 solved, 914 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 6/9 constraints, Generalized P Invariants (flows): 31/32 constraints, State Equation: 0/408 constraints, PredecessorRefiner: 914/914 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 914 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 31/37 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/407 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 3 (OVERLAPS) 1/408 variables, 3/40 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/408 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 914 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 408/1347 variables, and 41 constraints, problems are : Problem set: 0 solved, 914 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 0/408 constraints, PredecessorRefiner: 0/914 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60503ms problems are : Problem set: 0 solved, 914 unsolved
Search for dead transitions found 0 dead transitions in 60508ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61586 ms. Remains : 408/408 places, 939/939 transitions.
RANDOM walk for 400000 steps (7804 resets) in 3854 ms. (103 steps per ms) remains 58/58 properties
Running SMT prover for 58 properties.
[2026-05-25 06:01:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:01:41] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2026-05-25 06:01:41] [INFO ] [Real]Absence check using 9 positive and 32 generalized place invariants in 16 ms returned sat
[2026-05-25 06:01:41] [INFO ] After 335ms SMT Verify possible using state equation in real domain returned unsat :0 sat :58
TRAPS : Iteration 0
[2026-05-25 06:01:45] [INFO ] After 3569ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:58
[2026-05-25 06:01:45] [INFO ] After 3675ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:58
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:01:45] [INFO ] [Nat]Absence check using 9 positive place invariants in 4 ms returned sat
[2026-05-25 06:01:45] [INFO ] [Nat]Absence check using 9 positive and 32 generalized place invariants in 54 ms returned sat
[2026-05-25 06:01:45] [INFO ] After 363ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :58
TRAPS : Iteration 0
[2026-05-25 06:01:50] [INFO ] After 5092ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :58
[2026-05-25 06:01:50] [INFO ] After 5442ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :58
RANDOM walk for 4000000 steps (78738 resets) in 28998 ms. (137 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2164 resets) in 977 ms. (409 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2164 resets) in 911 ms. (438 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2158 resets) in 848 ms. (471 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2213 resets) in 863 ms. (462 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2128 resets) in 864 ms. (462 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2177 resets) in 869 ms. (459 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2169 resets) in 834 ms. (479 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2174 resets) in 865 ms. (461 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2191 resets) in 851 ms. (469 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2153 resets) in 839 ms. (476 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2186 resets) in 836 ms. (477 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2161 resets) in 876 ms. (456 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2184 resets) in 843 ms. (473 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2180 resets) in 869 ms. (459 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2186 resets) in 846 ms. (472 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2171 resets) in 879 ms. (454 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2212 resets) in 839 ms. (476 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2189 resets) in 819 ms. (487 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2173 resets) in 859 ms. (465 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2162 resets) in 850 ms. (470 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2193 resets) in 860 ms. (464 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2130 resets) in 857 ms. (466 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2193 resets) in 834 ms. (479 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2174 resets) in 851 ms. (469 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2183 resets) in 850 ms. (470 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2173 resets) in 858 ms. (465 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2163 resets) in 857 ms. (466 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2166 resets) in 857 ms. (466 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2140 resets) in 836 ms. (477 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2207 resets) in 833 ms. (479 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2175 resets) in 860 ms. (464 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2184 resets) in 855 ms. (467 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2153 resets) in 863 ms. (462 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2158 resets) in 865 ms. (461 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2143 resets) in 845 ms. (472 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2187 resets) in 846 ms. (472 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2208 resets) in 846 ms. (472 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2162 resets) in 841 ms. (475 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2191 resets) in 838 ms. (476 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2167 resets) in 850 ms. (470 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2146 resets) in 832 ms. (480 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2139 resets) in 1056 ms. (378 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2171 resets) in 977 ms. (409 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2163 resets) in 833 ms. (479 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2173 resets) in 894 ms. (446 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2167 resets) in 852 ms. (468 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400003 steps (2160 resets) in 874 ms. (457 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400001 steps (2134 resets) in 840 ms. (475 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (2204 resets) in 833 ms. (479 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400002 steps (2174 resets) in 829 ms. (481 steps per ms) remains 58/58 properties
Interrupted probabilistic random walk after 5385137 steps, run timeout after 57001 ms. (steps per millisecond=94 ) properties seen :0 out of 58
Probabilistic random walk after 5385137 steps, saw 1592143 distinct states, run finished after 57002 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-25 06:03:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 165.0 s and query timeout 16500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 5/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 147/210 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 5/215 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 110/325 variables, 9/27 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 16 (OVERLAPS) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1347/1347 variables, and 449 constraints, problems are : Problem set: 0 solved, 58 unsolved in 6948 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 165.0 s and query timeout 16500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (OVERLAPS) 5/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (OVERLAPS) 147/210 variables, 10/15 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 5/215 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/215 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 8 (OVERLAPS) 110/325 variables, 9/27 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 10 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 12 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 14 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1347 variables, 58/507 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1347 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 17 (OVERLAPS) 0/1347 variables, 0/507 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1347/1347 variables, and 507 constraints, problems are : Problem set: 0 solved, 58 unsolved in 19787 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26768ms problems are : Problem set: 0 solved, 58 unsolved
Fused 58 Parikh solutions to 52 different solutions.
Parikh walk visited 0 properties in 5162 ms.
Support contains 58 out of 408 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 939/939 transitions.
Applied a total of 0 rules in 10 ms. Remains 408 /408 variables (removed 0) and now considering 939/939 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 408/408 places, 939/939 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 939/939 transitions.
Applied a total of 0 rules in 9 ms. Remains 408 /408 variables (removed 0) and now considering 939/939 (removed 0) transitions.
[2026-05-25 06:03:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:03:39] [INFO ] Implicit Places using invariants in 320 ms returned []
[2026-05-25 06:03:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:03:40] [INFO ] Implicit Places using invariants and state equation in 782 ms returned []
Implicit Place search using SMT with State Equation took 1103 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:03:40] [INFO ] Redundant transitions in 11 ms returned []
Running 914 sub problems to find dead transitions.
[2026-05-25 06:03:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 31/37 constraints. Problems are: Problem set: 0 solved, 914 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 407/1347 variables, and 37 constraints, problems are : Problem set: 0 solved, 914 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 6/9 constraints, Generalized P Invariants (flows): 31/32 constraints, State Equation: 0/408 constraints, PredecessorRefiner: 914/914 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 914 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/407 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/407 variables, 31/37 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/407 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 3 (OVERLAPS) 1/408 variables, 3/40 constraints. Problems are: Problem set: 0 solved, 914 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/408 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 914 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 408/1347 variables, and 41 constraints, problems are : Problem set: 0 solved, 914 unsolved in 30045 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 0/408 constraints, PredecessorRefiner: 0/914 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60359ms problems are : Problem set: 0 solved, 914 unsolved
Search for dead transitions found 0 dead transitions in 60362ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61499 ms. Remains : 408/408 places, 939/939 transitions.
RANDOM walk for 400000 steps (7952 resets) in 3074 ms. (130 steps per ms) remains 58/58 properties
Running SMT prover for 58 properties.
[2026-05-25 06:04:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:04:41] [INFO ] [Real]Absence check using 9 positive place invariants in 6 ms returned sat
[2026-05-25 06:04:41] [INFO ] [Real]Absence check using 9 positive and 32 generalized place invariants in 30 ms returned sat
[2026-05-25 06:04:42] [INFO ] After 379ms SMT Verify possible using state equation in real domain returned unsat :0 sat :58
TRAPS : Iteration 0
[2026-05-25 06:04:46] [INFO ] After 5176ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:58
[2026-05-25 06:04:46] [INFO ] After 5370ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:58
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:04:47] [INFO ] [Nat]Absence check using 9 positive place invariants in 4 ms returned sat
[2026-05-25 06:04:47] [INFO ] [Nat]Absence check using 9 positive and 32 generalized place invariants in 29 ms returned sat
[2026-05-25 06:04:47] [INFO ] After 379ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :58
TRAPS : Iteration 0
[2026-05-25 06:04:52] [INFO ] After 5348ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :58
[2026-05-25 06:04:52] [INFO ] After 5650ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :58
RANDOM walk for 40000 steps (802 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (216 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 667008 steps, run timeout after 3001 ms. (steps per millisecond=222 ) properties seen :0 out of 1
Probabilistic random walk after 667008 steps, saw 336991 distinct states, run finished after 3001 ms. (steps per millisecond=222 ) properties seen :0
[2026-05-25 06:04:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/136 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/151 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/325 variables, 18/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1347/1347 variables, and 449 constraints, problems are : Problem set: 0 solved, 1 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/136 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/151 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/325 variables, 18/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1347 variables, 1/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1347 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/1347 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1347/1347 variables, and 450 constraints, problems are : Problem set: 0 solved, 1 unsolved in 676 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1097ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 125 ms.
Support contains 1 out of 408 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 939/939 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 408 transition count 903
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 72 place count 372 transition count 903
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 72 place count 372 transition count 895
Deduced a syphon composed of 8 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 90 place count 362 transition count 895
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 90 place count 362 transition count 893
Deduced a syphon composed of 2 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 96 place count 358 transition count 893
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 96 place count 358 transition count 891
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 100 place count 356 transition count 891
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 101 place count 356 transition count 890
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 102 place count 355 transition count 890
Applied a total of 102 rules in 29 ms. Remains 355 /408 variables (removed 53) and now considering 890/939 (removed 49) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 355/408 places, 890/939 transitions.
RANDOM walk for 40000 steps (747 resets) in 151 ms. (263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (226 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 687565 steps, run timeout after 3001 ms. (steps per millisecond=229 ) properties seen :0 out of 1
Probabilistic random walk after 687565 steps, saw 486749 distinct states, run finished after 3001 ms. (steps per millisecond=229 ) properties seen :0
// Phase 1: matrix 890 rows 355 cols
[2026-05-25 06:05:00] [INFO ] Computed 37 invariants in 33 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/101 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/116 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/119 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/119 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/132 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/165 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 157/322 variables, 19/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/322 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/344 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/344 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/355 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/355 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 890/1245 variables, 355/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1245 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1245 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1245/1245 variables, and 392 constraints, problems are : Problem set: 0 solved, 1 unsolved in 375 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 355/355 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/101 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/116 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/119 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/119 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/132 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/165 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 157/322 variables, 19/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/322 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/344 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/344 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/355 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/355 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 890/1245 variables, 355/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1245 variables, 1/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1245 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1245 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1245/1245 variables, and 393 constraints, problems are : Problem set: 0 solved, 1 unsolved in 630 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 355/355 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1063ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 60 ms.
Support contains 1 out of 355 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 355/355 places, 890/890 transitions.
Applied a total of 0 rules in 10 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 355/355 places, 890/890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 355/355 places, 890/890 transitions.
Applied a total of 0 rules in 10 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
[2026-05-25 06:05:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:05:01] [INFO ] Implicit Places using invariants in 345 ms returned []
[2026-05-25 06:05:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:05:02] [INFO ] Implicit Places using invariants and state equation in 737 ms returned []
Implicit Place search using SMT with State Equation took 1085 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:05:02] [INFO ] Redundant transitions in 13 ms returned []
Running 865 sub problems to find dead transitions.
[2026-05-25 06:05:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 354/1245 variables, and 33 constraints, problems are : Problem set: 0 solved, 865 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 8/11 constraints, Generalized P Invariants (flows): 25/26 constraints, State Equation: 0/355 constraints, PredecessorRefiner: 865/865 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 865 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/354 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 3 (OVERLAPS) 1/355 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 865 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 355/1245 variables, and 37 constraints, problems are : Problem set: 0 solved, 865 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 0/355 constraints, PredecessorRefiner: 0/865 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60284ms problems are : Problem set: 0 solved, 865 unsolved
Search for dead transitions found 0 dead transitions in 60285ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61417 ms. Remains : 355/355 places, 890/890 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 14 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Running SMT prover for 1 properties.
[2026-05-25 06:06:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 06:06:02] [INFO ] After 79ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 06:06:02] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-25 06:06:02] [INFO ] [Nat]Absence check using 11 positive and 26 generalized place invariants in 9 ms returned sat
[2026-05-25 06:06:03] [INFO ] After 278ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 06:06:03] [INFO ] After 336ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 06:06:03] [INFO ] After 479ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 592 ms.
RANDOM walk for 40000 steps (816 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (210 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 697631 steps, run timeout after 3001 ms. (steps per millisecond=232 ) properties seen :0 out of 1
Probabilistic random walk after 697631 steps, saw 344947 distinct states, run finished after 3001 ms. (steps per millisecond=232 ) properties seen :0
// Phase 1: matrix 939 rows 408 cols
[2026-05-25 06:06:06] [INFO ] Computed 41 invariants in 17 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/136 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/151 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/325 variables, 18/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1347/1347 variables, and 449 constraints, problems are : Problem set: 0 solved, 1 unsolved in 491 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 129/136 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/151 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/325 variables, 18/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:06:07] [INFO ] Deduced a trap composed of 54 places in 231 ms of which 27 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/408 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/408 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 939/1347 variables, 408/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1347 variables, 1/451 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1347 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1347 variables, 0/451 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1347/1347 variables, and 451 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1024 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1553ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 78 ms.
Support contains 1 out of 408 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 939/939 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 408 transition count 903
Reduce places removed 36 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 37 rules applied. Total rules applied 73 place count 372 transition count 902
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 74 place count 371 transition count 902
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 74 place count 371 transition count 894
Deduced a syphon composed of 8 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 92 place count 361 transition count 894
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 92 place count 361 transition count 892
Deduced a syphon composed of 2 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 98 place count 357 transition count 892
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 98 place count 357 transition count 890
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 102 place count 355 transition count 890
Applied a total of 102 rules in 20 ms. Remains 355 /408 variables (removed 53) and now considering 890/939 (removed 49) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 355/408 places, 890/939 transitions.
RANDOM walk for 40000 steps (820 resets) in 149 ms. (266 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (222 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 711398 steps, run timeout after 3001 ms. (steps per millisecond=237 ) properties seen :0 out of 1
Probabilistic random walk after 711398 steps, saw 503613 distinct states, run finished after 3001 ms. (steps per millisecond=237 ) properties seen :0
// Phase 1: matrix 890 rows 355 cols
[2026-05-25 06:06:11] [INFO ] Computed 37 invariants in 15 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/101 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/116 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/119 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/119 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/132 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/165 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 157/322 variables, 19/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/322 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/344 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/344 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/355 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/355 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 890/1245 variables, 355/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1245 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1245 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1245/1245 variables, and 392 constraints, problems are : Problem set: 0 solved, 1 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 355/355 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/101 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/116 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/119 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/119 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/132 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/165 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 157/322 variables, 19/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/322 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/344 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/344 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/355 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/355 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 890/1245 variables, 355/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1245 variables, 1/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1245 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1245 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1245/1245 variables, and 393 constraints, problems are : Problem set: 0 solved, 1 unsolved in 752 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 355/355 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1207ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 54 ms.
Support contains 1 out of 355 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 355/355 places, 890/890 transitions.
Applied a total of 0 rules in 9 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 355/355 places, 890/890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 355/355 places, 890/890 transitions.
Applied a total of 0 rules in 8 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
[2026-05-25 06:06:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:06:12] [INFO ] Implicit Places using invariants in 320 ms returned []
[2026-05-25 06:06:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:06:13] [INFO ] Implicit Places using invariants and state equation in 729 ms returned []
Implicit Place search using SMT with State Equation took 1078 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:06:13] [INFO ] Redundant transitions in 6 ms returned []
Running 865 sub problems to find dead transitions.
[2026-05-25 06:06:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/354 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 3 (OVERLAPS) 1/355 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 865 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 355/1245 variables, and 37 constraints, problems are : Problem set: 0 solved, 865 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 0/355 constraints, PredecessorRefiner: 865/865 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 865 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/354 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 3 (OVERLAPS) 1/355 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 865 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:12] [INFO ] Deduced a trap composed of 13 places in 132 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 355/1245 variables, and 38 constraints, problems are : Problem set: 0 solved, 865 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 0/355 constraints, PredecessorRefiner: 0/865 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60244ms problems are : Problem set: 0 solved, 865 unsolved
Search for dead transitions found 0 dead transitions in 60245ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61345 ms. Remains : 355/355 places, 890/890 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 9 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Running SMT prover for 1 properties.
[2026-05-25 06:07:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 06:07:13] [INFO ] After 75ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 06:07:13] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 06:07:13] [INFO ] [Nat]Absence check using 11 positive and 26 generalized place invariants in 14 ms returned sat
[2026-05-25 06:07:14] [INFO ] After 338ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 06:07:14] [INFO ] After 396ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 06:07:14] [INFO ] After 530ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 624 ms.
RANDOM walk for 40000 steps (828 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (218 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 683371 steps, run timeout after 3001 ms. (steps per millisecond=227 ) properties seen :0 out of 1
Probabilistic random walk after 683371 steps, saw 341102 distinct states, run finished after 3001 ms. (steps per millisecond=227 ) properties seen :0
// Phase 1: matrix 939 rows 408 cols
[2026-05-25 06:07:17] [INFO ] Computed 41 invariants in 10 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 128/129 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/148 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 177/325 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1347/1347 variables, and 449 constraints, problems are : Problem set: 0 solved, 1 unsolved in 468 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 128/129 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/148 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 177/325 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1347 variables, 1/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1347 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/1347 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1347/1347 variables, and 450 constraints, problems are : Problem set: 0 solved, 1 unsolved in 557 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1073ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 83 ms.
Support contains 1 out of 408 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 939/939 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 408 transition count 903
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 72 place count 372 transition count 903
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 72 place count 372 transition count 894
Deduced a syphon composed of 9 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 92 place count 361 transition count 894
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 92 place count 361 transition count 892
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 98 place count 357 transition count 892
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 98 place count 357 transition count 890
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 102 place count 355 transition count 890
Applied a total of 102 rules in 19 ms. Remains 355 /408 variables (removed 53) and now considering 890/939 (removed 49) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 355/408 places, 890/939 transitions.
RANDOM walk for 40000 steps (792 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (201 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 690478 steps, run timeout after 3001 ms. (steps per millisecond=230 ) properties seen :0 out of 1
Probabilistic random walk after 690478 steps, saw 488745 distinct states, run finished after 3001 ms. (steps per millisecond=230 ) properties seen :0
// Phase 1: matrix 890 rows 355 cols
[2026-05-25 06:07:21] [INFO ] Computed 37 invariants in 16 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 93/94 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/113 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/116 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/129 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 33/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 160/322 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/322 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/344 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/355 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/355 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 890/1245 variables, 355/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1245 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1245 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1245/1245 variables, and 392 constraints, problems are : Problem set: 0 solved, 1 unsolved in 376 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 355/355 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 93/94 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/113 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/116 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/129 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 33/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 160/322 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/322 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/344 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/355 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:07:22] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 5 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/355 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/355 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 890/1245 variables, 355/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1245 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1245 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1245 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1245/1245 variables, and 394 constraints, problems are : Problem set: 0 solved, 1 unsolved in 569 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 355/355 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 966ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 73 ms.
Support contains 1 out of 355 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 355/355 places, 890/890 transitions.
Applied a total of 0 rules in 9 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 355/355 places, 890/890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 355/355 places, 890/890 transitions.
Applied a total of 0 rules in 9 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
[2026-05-25 06:07:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:07:22] [INFO ] Implicit Places using invariants in 244 ms returned []
[2026-05-25 06:07:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:07:23] [INFO ] Implicit Places using invariants and state equation in 831 ms returned []
Implicit Place search using SMT with State Equation took 1104 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:07:23] [INFO ] Redundant transitions in 7 ms returned []
Running 865 sub problems to find dead transitions.
[2026-05-25 06:07:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 354/1245 variables, and 33 constraints, problems are : Problem set: 0 solved, 865 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 8/11 constraints, Generalized P Invariants (flows): 25/26 constraints, State Equation: 0/355 constraints, PredecessorRefiner: 865/865 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 865 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/354 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 3 (OVERLAPS) 1/355 variables, 3/36 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/355 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 865 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:23] [INFO ] Deduced a trap composed of 13 places in 165 ms of which 7 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 355/1245 variables, and 38 constraints, problems are : Problem set: 0 solved, 865 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 0/355 constraints, PredecessorRefiner: 0/865 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60268ms problems are : Problem set: 0 solved, 865 unsolved
Search for dead transitions found 0 dead transitions in 60270ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61396 ms. Remains : 355/355 places, 890/890 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 20 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Running SMT prover for 1 properties.
[2026-05-25 06:08:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 06:08:24] [INFO ] After 102ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 06:08:24] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-25 06:08:24] [INFO ] [Nat]Absence check using 11 positive and 26 generalized place invariants in 11 ms returned sat
[2026-05-25 06:08:24] [INFO ] After 214ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 06:08:24] [INFO ] After 266ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 06:08:24] [INFO ] After 422ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 554 ms.
RANDOM walk for 40000 steps (790 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (210 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 685741 steps, run timeout after 3001 ms. (steps per millisecond=228 ) properties seen :0 out of 1
Probabilistic random walk after 685741 steps, saw 341641 distinct states, run finished after 3013 ms. (steps per millisecond=227 ) properties seen :0
// Phase 1: matrix 939 rows 408 cols
[2026-05-25 06:08:27] [INFO ] Computed 41 invariants in 17 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 128/129 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/148 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 177/325 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1347 variables, 0/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1347/1347 variables, and 449 constraints, problems are : Problem set: 0 solved, 1 unsolved in 489 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 128/129 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/129 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/148 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 177/325 variables, 19/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 48/373 variables, 5/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/373 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 35/408 variables, 9/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/408 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 939/1347 variables, 408/449 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1347 variables, 1/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1347 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/1347 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1347/1347 variables, and 450 constraints, problems are : Problem set: 0 solved, 1 unsolved in 558 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 408/408 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1070ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 105 ms.
Support contains 1 out of 408 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 408/408 places, 939/939 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 408 transition count 903
Reduce places removed 36 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 37 rules applied. Total rules applied 73 place count 372 transition count 902
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 74 place count 371 transition count 902
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 74 place count 371 transition count 894
Deduced a syphon composed of 8 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 92 place count 361 transition count 894
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 92 place count 361 transition count 892
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 98 place count 357 transition count 892
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 98 place count 357 transition count 890
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 102 place count 355 transition count 890
Applied a total of 102 rules in 19 ms. Remains 355 /408 variables (removed 53) and now considering 890/939 (removed 49) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 355/408 places, 890/939 transitions.
RANDOM walk for 40000 steps (741 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (218 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 715274 steps, run timeout after 3001 ms. (steps per millisecond=238 ) properties seen :0 out of 1
Probabilistic random walk after 715274 steps, saw 506436 distinct states, run finished after 3001 ms. (steps per millisecond=238 ) properties seen :0
// Phase 1: matrix 890 rows 355 cols
[2026-05-25 06:08:31] [INFO ] Computed 37 invariants in 15 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 93/94 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/113 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/116 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/129 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 33/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 160/322 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/322 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/344 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/355 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/355 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 890/1245 variables, 355/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1245 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1245 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1245/1245 variables, and 392 constraints, problems are : Problem set: 0 solved, 1 unsolved in 364 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 355/355 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 93/94 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/94 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 19/113 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3/116 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 13/129 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 33/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/162 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 160/322 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/322 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/344 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/344 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/355 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:08:32] [INFO ] Deduced a trap composed of 13 places in 114 ms of which 6 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/355 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/355 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 890/1245 variables, 355/393 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1245 variables, 1/394 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1245 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1245 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1245/1245 variables, and 394 constraints, problems are : Problem set: 0 solved, 1 unsolved in 593 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 355/355 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 989ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 84 ms.
Support contains 1 out of 355 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 355/355 places, 890/890 transitions.
Applied a total of 0 rules in 9 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 355/355 places, 890/890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 355/355 places, 890/890 transitions.
Applied a total of 0 rules in 9 ms. Remains 355 /355 variables (removed 0) and now considering 890/890 (removed 0) transitions.
[2026-05-25 06:08:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:08:33] [INFO ] Implicit Places using invariants in 279 ms returned []
[2026-05-25 06:08:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:08:34] [INFO ] Implicit Places using invariants and state equation in 800 ms returned []
Implicit Place search using SMT with State Equation took 1097 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:08:34] [INFO ] Redundant transitions in 12 ms returned []
Running 865 sub problems to find dead transitions.
[2026-05-25 06:08:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/354 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 865 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/354 variables, 25/33 constraints. Problems are: Problem set: 0 solved, 865 unsolved

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
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ sed s/.jar//
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="ASLink-PT-04b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is ASLink-PT-04b, 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 r016-oct2-177944372700213"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-04b.tgz
mv ASLink-PT-04b 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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;