Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r128-smll-177955743900173.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is EisenbergMcGuire-PT-08, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-177955743900173
=====================================================================

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preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 9.5K Mar 7 05:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 7 05:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 05:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 7 05:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 09:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 09:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K Mar 7 05:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 7 05:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 7 05:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 7 05:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.7M Mar 3 18:30 model.pnml

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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 1779579336364

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EisenbergMcGuire-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-23 23:35:38] [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]
[2026-05-23 23:35:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 23:35:38] [INFO ] Load time of PNML (sax parser for PT used): 347 ms
[2026-05-23 23:35:38] [INFO ] Transformed 712 places.
[2026-05-23 23:35:38] [INFO ] Transformed 2816 transitions.
[2026-05-23 23:35:38] [INFO ] Found NUPN structural information;
[2026-05-23 23:35:38] [INFO ] Parsed PT model containing 712 places and 2816 transitions and 13440 arcs in 535 ms.
RANDOM walk for 40000 steps (8 resets) in 4510 ms. (8 steps per ms) remains 226/712 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 20 ms. (19 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 226/226 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 226/226 properties
[2026-05-23 23:35:40] [INFO ] Flatten gal took : 658 ms
[2026-05-23 23:35:40] [INFO ] Flow matrix only has 1368 transitions (discarded 1448 similar events)
[2026-05-23 23:35:40] [INFO ] Flatten gal took : 208 ms
// Phase 1: matrix 1368 rows 712 cols
[2026-05-23 23:35:41] [INFO ] Computed 25 invariants in 78 ms
[2026-05-23 23:35:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2006153654610037339.gal : 145 ms
[2026-05-23 23:35:41] [INFO ] State equation strengthened by 676 read => feed constraints.
[2026-05-23 23:35:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3770583705339932467.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2006153654610037339.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3770583705339932467.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 ...328
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality3770583705339932467.prop.
SDD proceeding with computation,226 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,226 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,226 properties remain. new max is 16
SDD size :8 after 11
SDD proceeding with computation,226 properties remain. new max is 32
SDD size :11 after 15
SDD proceeding with computation,226 properties remain. new max is 64
SDD size :15 after 19
SDD proceeding with computation,226 properties remain. new max is 128
SDD size :19 after 21
SDD proceeding with computation,226 properties remain. new max is 256
SDD size :21 after 105
SDD proceeding with computation,226 properties remain. new max is 512
SDD size :105 after 207
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/226 variables, 226/226 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Invariant property smplace_512 does not hold.
Invariant property smplace_490 does not hold.
SDD proceeding with computation,224 properties remain. new max is 512
SDD size :207 after 310
SDD proceeding with computation,224 properties remain. new max is 1024
SDD size :310 after 1509
SDD proceeding with computation,224 properties remain. new max is 2048
SDD size :1509 after 1953
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 226/2080 variables, and 226 constraints, problems are : Problem set: 2 solved, 224 unsolved in 5091 ms.
Refiners :[Domain max(s): 226/712 constraints, Positive P Invariants (semi-flows): 0/17 constraints, Generalized P Invariants (flows): 0/8 constraints, State Equation: 0/712 constraints, ReadFeed: 0/676 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 224 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/224 variables, 224/224 constraints. Problems are: Problem set: 2 solved, 224 unsolved
Invariant property smplace_513 does not hold.
Invariant property smplace_488 does not hold.
SDD proceeding with computation,222 properties remain. new max is 2048
SDD size :1953 after 5068
At refinement iteration 1 (INCLUDED_ONLY) 0/224 variables, 0/224 constraints. Problems are: Problem set: 4 solved, 222 unsolved
At refinement iteration 2 (OVERLAPS) 464/688 variables, 16/240 constraints. Problems are: Problem set: 4 solved, 222 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/688 variables, 464/704 constraints. Problems are: Problem set: 4 solved, 222 unsolved
Invariant property smplace_498 does not hold.
Invariant property smplace_496 does not hold.
SDD proceeding with computation,220 properties remain. new max is 2048
SDD size :5068 after 6671
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 688/2080 variables, and 704 constraints, problems are : Problem set: 6 solved, 220 unsolved in 5035 ms.
Refiners :[Domain max(s): 688/712 constraints, Positive P Invariants (semi-flows): 16/17 constraints, Generalized P Invariants (flows): 0/8 constraints, State Equation: 0/712 constraints, ReadFeed: 0/676 constraints, PredecessorRefiner: 0/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10541ms problems are : Problem set: 6 solved, 220 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 220 out of 712 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 712/712 places, 2816/2816 transitions.
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 0 with 8 rules applied. Total rules applied 8 place count 712 transition count 2808
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 16 place count 704 transition count 2808
Performed 144 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 144 Pre rules applied. Total rules applied 16 place count 704 transition count 2664
Deduced a syphon composed of 144 places in 5 ms
Reduce places removed 144 places and 0 transitions.
Iterating global reduction 2 with 288 rules applied. Total rules applied 304 place count 560 transition count 2664
Discarding 56 places :
Symmetric choice reduction at 2 with 56 rule applications. Total rules 360 place count 504 transition count 2216
Iterating global reduction 2 with 56 rules applied. Total rules applied 416 place count 504 transition count 2216
Performed 54 Post agglomeration using F-continuation condition.Transition count delta: 54
Deduced a syphon composed of 54 places in 7 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 2 with 108 rules applied. Total rules applied 524 place count 450 transition count 2162
Applied a total of 524 rules in 394 ms. Remains 450 /712 variables (removed 262) and now considering 2162/2816 (removed 654) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 406 ms. Remains : 450/712 places, 2162/2816 transitions.
SDD proceeding with computation,220 properties remain. new max is 4096
SDD size :6671 after 28012
SDD proceeding with computation,220 properties remain. new max is 8192
SDD size :28012 after 44851
Invariant property smplace_514 does not hold.
SDD proceeding with computation,219 properties remain. new max is 8192
SDD size :44851 after 62944
RANDOM walk for 4000000 steps (8 resets) in 100339 ms. (39 steps per ms) remains 211/220 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 211/211 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 211/211 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 210/211 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 167 ms. (238 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 210/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 209/210 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 209/209 properties
Invariant property smplace_506 does not hold.
Invariant property smplace_504 does not hold.
Invariant property smplace_489 does not hold.
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 209/209 properties
SDD proceeding with computation,216 properties remain. new max is 8192
SDD size :62944 after 107090
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 209/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 208/209 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 199 ms. (200 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 192 ms. (207 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 208/208 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 208/208 properties
Invariant property smplace_505 does not hold.
Invariant property smplace_497 does not hold.
SDD proceeding with computation,214 properties remain. new max is 8192
SDD size :107090 after 146845
SDD proceeding with computation,214 properties remain. new max is 16384
SDD size :146845 after 170467
SDD proceeding with computation,214 properties remain. new max is 32768
SDD size :170467 after 796774
SDD proceeding with computation,214 properties remain. new max is 65536
SDD size :796774 after 1.28661e+06
Interrupted probabilistic random walk after 7532370 steps, run timeout after 96001 ms. (steps per millisecond=78 ) properties seen :198 out of 208
Probabilistic random walk after 7532370 steps, saw 1822213 distinct states, run finished after 96016 ms. (steps per millisecond=78 ) properties seen :198
[2026-05-23 23:38:00] [INFO ] Flow matrix only has 714 transitions (discarded 1448 similar events)
// Phase 1: matrix 714 rows 450 cols
[2026-05-23 23:38:00] [INFO ] Computed 25 invariants in 11 ms
[2026-05-23 23:38:00] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 310/320 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/320 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 12/332 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/332 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 536/868 variables, 332/350 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/868 variables, 102/452 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/868 variables, 0/452 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 36/904 variables, 8/460 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/904 variables, 1/461 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/904 variables, 58/519 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/904 variables, 0/519 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 44/948 variables, 20/539 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/948 variables, 18/557 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/948 variables, 0/557 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 86/1034 variables, 4/561 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1034 variables, 0/561 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (OVERLAPS) 4/1038 variables, 2/563 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1038 variables, 0/563 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (OVERLAPS) 126/1164 variables, 90/653 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1164 variables, 106/759 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1164 variables, 0/759 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 22 (OVERLAPS) 0/1164 variables, 0/759 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 759 constraints, problems are : Problem set: 0 solved, 10 unsolved in 2930 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 450/450 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 310/320 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/320 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 12/332 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property smplace_253 does not hold.
SDD proceeding with computation,213 properties remain. new max is 65536
SDD size :1.28661e+06 after 2.18214e+06
[2026-05-23 23:38:03] [INFO ] Deduced a trap composed of 3 places in 322 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:04] [INFO ] Deduced a trap composed of 3 places in 291 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:04] [INFO ] Deduced a trap composed of 3 places in 241 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:04] [INFO ] Deduced a trap composed of 15 places in 269 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:04] [INFO ] Deduced a trap composed of 3 places in 222 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:05] [INFO ] Deduced a trap composed of 19 places in 201 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:05] [INFO ] Deduced a trap composed of 27 places in 111 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:05] [INFO ] Deduced a trap composed of 3 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:05] [INFO ] Deduced a trap composed of 17 places in 207 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:05] [INFO ] Deduced a trap composed of 11 places in 331 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:06] [INFO ] Deduced a trap composed of 13 places in 251 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:06] [INFO ] Deduced a trap composed of 15 places in 188 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:06] [INFO ] Deduced a trap composed of 17 places in 153 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:06] [INFO ] Deduced a trap composed of 19 places in 104 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:06] [INFO ] Deduced a trap composed of 19 places in 152 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:06] [INFO ] Deduced a trap composed of 21 places in 99 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:07] [INFO ] Deduced a trap composed of 23 places in 107 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:07] [INFO ] Deduced a trap composed of 21 places in 116 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:07] [INFO ] Deduced a trap composed of 23 places in 106 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:07] [INFO ] Deduced a trap composed of 25 places in 105 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/332 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:07] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/332 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/332 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 536/868 variables, 332/371 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/868 variables, 102/473 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/868 variables, 0/473 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 36/904 variables, 8/481 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/904 variables, 1/482 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/904 variables, 58/540 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/904 variables, 6/546 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/904 variables, 0/546 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 44/948 variables, 20/566 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/948 variables, 18/584 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/948 variables, 0/584 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (OVERLAPS) 86/1034 variables, 4/588 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1034 variables, 0/588 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 20 (OVERLAPS) 4/1038 variables, 2/590 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1038 variables, 4/594 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:11] [INFO ] Deduced a trap composed of 29 places in 110 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:12] [INFO ] Deduced a trap composed of 3 places in 312 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:12] [INFO ] Deduced a trap composed of 31 places in 333 ms of which 31 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1038 variables, 3/597 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1038 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 24 (OVERLAPS) 126/1164 variables, 90/687 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1164 variables, 106/793 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:14] [INFO ] Deduced a trap composed of 3 places in 77 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:14] [INFO ] Deduced a trap composed of 21 places in 124 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:14] [INFO ] Deduced a trap composed of 23 places in 108 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:15] [INFO ] Deduced a trap composed of 23 places in 120 ms of which 7 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1164 variables, 4/797 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:16] [INFO ] Deduced a trap composed of 58 places in 480 ms of which 49 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/1164 variables, 1/798 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:17] [INFO ] Deduced a trap composed of 58 places in 488 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:38:18] [INFO ] Deduced a trap composed of 58 places in 454 ms of which 39 ms to minimize.
At refinement iteration 28 (INCLUDED_ONLY) 0/1164 variables, 2/800 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1164 variables, 0/800 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 30 (OVERLAPS) 0/1164 variables, 0/800 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1164/1164 variables, and 800 constraints, problems are : Problem set: 0 solved, 10 unsolved in 18038 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 450/450 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21029ms problems are : Problem set: 0 solved, 10 unsolved
Parikh walk visited 3 properties in 8647 ms.
Support contains 7 out of 450 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 450/450 places, 2162/2162 transitions.
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 56 Pre rules applied. Total rules applied 0 place count 450 transition count 2106
Deduced a syphon composed of 56 places in 12 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 0 with 112 rules applied. Total rules applied 112 place count 394 transition count 2106
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 116 place count 392 transition count 2104
Applied a total of 116 rules in 201 ms. Remains 392 /450 variables (removed 58) and now considering 2104/2162 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 202 ms. Remains : 392/450 places, 2104/2162 transitions.
RANDOM walk for 4000000 steps (8 resets) in 22346 ms. (178 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3683 ms. (1085 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4267 ms. (937 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4481 ms. (892 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3819 ms. (1047 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3817 ms. (1047 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3706 ms. (1079 steps per ms) remains 7/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4450 ms. (898 steps per ms) remains 7/7 properties
SDD proceeding with computation,213 properties remain. new max is 131072
SDD size :2.18214e+06 after 3.00775e+06
Interrupted probabilistic random walk after 3462030 steps, run timeout after 42001 ms. (steps per millisecond=82 ) properties seen :1 out of 7
Probabilistic random walk after 3462030 steps, saw 1071454 distinct states, run finished after 42001 ms. (steps per millisecond=82 ) properties seen :1
[2026-05-23 23:39:26] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2026-05-23 23:39:26] [INFO ] Computed 25 invariants in 5 ms
[2026-05-23 23:39:26] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 224/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 410/650 variables, 240/255 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 70/325 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 50/700 variables, 8/333 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/700 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 48/382 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 66/766 variables, 30/412 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/766 variables, 24/436 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/766 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 107/873 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/873 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 2/875 variables, 1/442 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/875 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 5/880 variables, 3/445 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/880 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 168/1048 variables, 114/559 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 142/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1769 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 224/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:28] [INFO ] Deduced a trap composed of 3 places in 220 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:29] [INFO ] Deduced a trap composed of 11 places in 230 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:29] [INFO ] Deduced a trap composed of 13 places in 187 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:29] [INFO ] Deduced a trap composed of 3 places in 127 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:29] [INFO ] Deduced a trap composed of 17 places in 104 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:29] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:29] [INFO ] Deduced a trap composed of 15 places in 144 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:29] [INFO ] Deduced a trap composed of 19 places in 103 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:29] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:30] [INFO ] Deduced a trap composed of 21 places in 94 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:30] [INFO ] Deduced a trap composed of 19 places in 94 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:30] [INFO ] Deduced a trap composed of 23 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:30] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 13/28 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:30] [INFO ] Deduced a trap composed of 15 places in 97 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:30] [INFO ] Deduced a trap composed of 17 places in 101 ms of which 10 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 410/650 variables, 240/270 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/650 variables, 70/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/650 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 50/700 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/700 variables, 48/397 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/700 variables, 5/402 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/700 variables, 0/402 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 66/766 variables, 30/432 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/766 variables, 24/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/766 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (OVERLAPS) 107/873 variables, 5/461 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/873 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (OVERLAPS) 2/875 variables, 1/462 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:32] [INFO ] Deduced a trap composed of 47 places in 383 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:32] [INFO ] Deduced a trap composed of 47 places in 120 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:33] [INFO ] Deduced a trap composed of 47 places in 381 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:33] [INFO ] Deduced a trap composed of 47 places in 96 ms of which 6 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/875 variables, 4/466 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/875 variables, 0/466 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 23 (OVERLAPS) 5/880 variables, 3/469 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/880 variables, 1/470 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:34] [INFO ] Deduced a trap composed of 3 places in 118 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:34] [INFO ] Deduced a trap composed of 19 places in 340 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:34] [INFO ] Deduced a trap composed of 23 places in 116 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:35] [INFO ] Deduced a trap composed of 58 places in 414 ms of which 42 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/880 variables, 4/474 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:35] [INFO ] Deduced a trap composed of 21 places in 359 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:36] [INFO ] Deduced a trap composed of 25 places in 106 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:36] [INFO ] Deduced a trap composed of 23 places in 279 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:36] [INFO ] Deduced a trap composed of 27 places in 114 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:36] [INFO ] Deduced a trap composed of 25 places in 155 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:36] [INFO ] Deduced a trap composed of 29 places in 101 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:37] [INFO ] Deduced a trap composed of 27 places in 148 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:37] [INFO ] Deduced a trap composed of 31 places in 107 ms of which 8 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/880 variables, 8/482 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:37] [INFO ] Deduced a trap composed of 68 places in 375 ms of which 44 ms to minimize.
At refinement iteration 27 (INCLUDED_ONLY) 0/880 variables, 1/483 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:39:37] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
At refinement iteration 28 (INCLUDED_ONLY) 0/880 variables, 1/484 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/880 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 30 (OVERLAPS) 168/1048 variables, 114/598 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1048 variables, 142/740 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1048 variables, 0/740 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 33 (OVERLAPS) 0/1048 variables, 0/740 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 740 constraints, problems are : Problem set: 0 solved, 6 unsolved in 11415 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 33/33 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13215ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 2680 ms.
Support contains 6 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 81 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 4000000 steps (8 resets) in 20203 ms. (197 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3928 ms. (1018 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3866 ms. (1034 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3957 ms. (1010 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3780 ms. (1057 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4026 ms. (993 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3881 ms. (1030 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 2889918 steps, run timeout after 39001 ms. (steps per millisecond=74 ) properties seen :0 out of 6
Probabilistic random walk after 2889918 steps, saw 926864 distinct states, run finished after 39005 ms. (steps per millisecond=74 ) properties seen :0
[2026-05-23 23:40:34] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:40:34] [INFO ] Invariant cache hit.
[2026-05-23 23:40:34] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 224/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 410/650 variables, 240/255 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 70/325 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 50/700 variables, 8/333 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/700 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 48/382 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 66/766 variables, 30/412 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/766 variables, 24/436 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/766 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 107/873 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/873 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 2/875 variables, 1/442 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/875 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 5/880 variables, 3/445 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/880 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 168/1048 variables, 114/559 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 142/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1546 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 224/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:36] [INFO ] Deduced a trap composed of 3 places in 227 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:36] [INFO ] Deduced a trap composed of 11 places in 244 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:37] [INFO ] Deduced a trap composed of 13 places in 184 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:37] [INFO ] Deduced a trap composed of 15 places in 142 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:37] [INFO ] Deduced a trap composed of 17 places in 102 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:37] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:37] [INFO ] Deduced a trap composed of 3 places in 221 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:37] [INFO ] Deduced a trap composed of 15 places in 200 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:38] [INFO ] Deduced a trap composed of 17 places in 162 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:38] [INFO ] Deduced a trap composed of 19 places in 121 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:38] [INFO ] Deduced a trap composed of 19 places in 160 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:38] [INFO ] Deduced a trap composed of 21 places in 114 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:38] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:38] [INFO ] Deduced a trap composed of 23 places in 108 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:40:38] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 410/650 variables, 240/270 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 70/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/650 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 50/700 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 48/397 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/700 variables, 5/402 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/700 variables, 0/402 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 66/766 variables, 30/432 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/766 variables, 24/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/766 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 107/873 variables, 5/461 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/873 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 2/875 variables, 1/462 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/875 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 5/880 variables, 3/465 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/880 variables, 1/466 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/880 variables, 0/466 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 24 (OVERLAPS) 168/1048 variables, 114/580 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 142/722 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/722 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/722 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 722 constraints, problems are : Problem set: 0 solved, 6 unsolved in 6440 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8021ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 2631 ms.
Support contains 6 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 74 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 73 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2026-05-23 23:40:45] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:40:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:40:46] [INFO ] Implicit Places using invariants in 790 ms returned []
[2026-05-23 23:40:46] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:40:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:40:46] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:40:49] [INFO ] Implicit Places using invariants and state equation in 3212 ms returned []
Implicit Place search using SMT with State Equation took 4017 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:40:49] [INFO ] Redundant transitions in 148 ms returned []
Running 2096 sub problems to find dead transitions.
[2026-05-23 23:40:49] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:40:49] [INFO ] Invariant cache hit.
[2026-05-23 23:40:49] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Invariant property smplace_523 does not hold.
Invariant property smplace_522 does not hold.
Invariant property smplace_521 does not hold.
Invariant property smplace_520 does not hold.
SDD proceeding with computation,209 properties remain. new max is 131072
SDD size :3.00775e+06 after 5.47374e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:11] [INFO ] Deduced a trap composed of 3 places in 241 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:11] [INFO ] Deduced a trap composed of 3 places in 195 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:11] [INFO ] Deduced a trap composed of 15 places in 203 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:11] [INFO ] Deduced a trap composed of 17 places in 155 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:11] [INFO ] Deduced a trap composed of 23 places in 121 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:12] [INFO ] Deduced a trap composed of 19 places in 148 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:12] [INFO ] Deduced a trap composed of 27 places in 114 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:12] [INFO ] Deduced a trap composed of 25 places in 112 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:14] [INFO ] Deduced a trap composed of 61 places in 260 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:14] [INFO ] Deduced a trap composed of 23 places in 231 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:14] [INFO ] Deduced a trap composed of 67 places in 245 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:15] [INFO ] Deduced a trap composed of 42 places in 279 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:15] [INFO ] Deduced a trap composed of 21 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:15] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:15] [INFO ] Deduced a trap composed of 58 places in 232 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:15] [INFO ] Deduced a trap composed of 66 places in 314 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:16] [INFO ] Deduced a trap composed of 13 places in 269 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:16] [INFO ] Deduced a trap composed of 27 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:16] [INFO ] Deduced a trap composed of 66 places in 284 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:17] [INFO ] Deduced a trap composed of 66 places in 319 ms of which 40 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:18] [INFO ] Deduced a trap composed of 31 places in 113 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:20] [INFO ] Deduced a trap composed of 42 places in 295 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:20] [INFO ] Deduced a trap composed of 42 places in 227 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:20] [INFO ] Deduced a trap composed of 42 places in 279 ms of which 28 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 49 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30068 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 24/49 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:26] [INFO ] Deduced a trap composed of 61 places in 384 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:27] [INFO ] Deduced a trap composed of 58 places in 345 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:28] [INFO ] Deduced a trap composed of 19 places in 387 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:29] [INFO ] Deduced a trap composed of 42 places in 448 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:30] [INFO ] Deduced a trap composed of 3 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:30] [INFO ] Deduced a trap composed of 11 places in 425 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:31] [INFO ] Deduced a trap composed of 68 places in 367 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:32] [INFO ] Deduced a trap composed of 58 places in 451 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:32] [INFO ] Deduced a trap composed of 33 places in 121 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:32] [INFO ] Deduced a trap composed of 31 places in 130 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:33] [INFO ] Deduced a trap composed of 68 places in 442 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:34] [INFO ] Deduced a trap composed of 19 places in 451 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:34] [INFO ] Deduced a trap composed of 3 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:34] [INFO ] Deduced a trap composed of 68 places in 403 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:35] [INFO ] Deduced a trap composed of 68 places in 436 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:35] [INFO ] Deduced a trap composed of 21 places in 482 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:36] [INFO ] Deduced a trap composed of 3 places in 426 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:36] [INFO ] Deduced a trap composed of 46 places in 485 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:37] [INFO ] Deduced a trap composed of 42 places in 518 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:38] [INFO ] Deduced a trap composed of 42 places in 523 ms of which 56 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/69 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:48] [INFO ] Deduced a trap composed of 15 places in 258 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:50] [INFO ] Deduced a trap composed of 3 places in 73 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 392/1048 variables, and 71 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30063 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 46/46 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61356ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 61380ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65644 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 400000 steps (8 resets) in 3800 ms. (105 steps per ms) remains 6/6 properties
Running SMT prover for 6 properties.
[2026-05-23 23:41:52] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:41:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:41:52] [INFO ] [Real]Absence check using 17 positive place invariants in 13 ms returned sat
[2026-05-23 23:41:52] [INFO ] [Real]Absence check using 17 positive and 8 generalized place invariants in 11 ms returned sat
[2026-05-23 23:41:52] [INFO ] After 349ms SMT Verify possible using state equation in real domain returned unsat :0 sat :6
[2026-05-23 23:41:52] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:41:52] [INFO ] After 134ms SMT Verify possible using 284 Read/Feed constraints in real domain returned unsat :0 sat :6
TRAPS : Iteration 0
[2026-05-23 23:41:53] [INFO ] After 571ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:6
[2026-05-23 23:41:53] [INFO ] After 1089ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:41:53] [INFO ] [Nat]Absence check using 17 positive place invariants in 20 ms returned sat
[2026-05-23 23:41:53] [INFO ] [Nat]Absence check using 17 positive and 8 generalized place invariants in 8 ms returned sat
[2026-05-23 23:41:53] [INFO ] After 356ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2026-05-23 23:41:53] [INFO ] After 154ms SMT Verify possible using 284 Read/Feed constraints in natural domain returned unsat :0 sat :6
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:54] [INFO ] Deduced a trap composed of 3 places in 268 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:54] [INFO ] Deduced a trap composed of 11 places in 331 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:55] [INFO ] Deduced a trap composed of 3 places in 302 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:55] [INFO ] Deduced a trap composed of 13 places in 369 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:55] [INFO ] Deduced a trap composed of 3 places in 266 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:55] [INFO ] Deduced a trap composed of 3 places in 173 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:56] [INFO ] Deduced a trap composed of 15 places in 135 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:56] [INFO ] Deduced a trap composed of 3 places in 131 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:56] [INFO ] Deduced a trap composed of 17 places in 94 ms of which 10 ms to minimize.
[2026-05-23 23:41:56] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 2444 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:56] [INFO ] Deduced a trap composed of 15 places in 113 ms of which 11 ms to minimize.
[2026-05-23 23:41:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 177 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:56] [INFO ] Deduced a trap composed of 19 places in 116 ms of which 11 ms to minimize.
[2026-05-23 23:41:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 175 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:41:57] [INFO ] Deduced a trap composed of 23 places in 121 ms of which 12 ms to minimize.
[2026-05-23 23:41:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 182 ms
TRAPS : Iteration 1
[2026-05-23 23:41:57] [INFO ] After 3688ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
[2026-05-23 23:41:57] [INFO ] After 4254ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
RANDOM walk for 4000000 steps (8 resets) in 19715 ms. (202 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3963 ms. (1009 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4280 ms. (934 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3995 ms. (1001 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3829 ms. (1044 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3974 ms. (1006 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3784 ms. (1056 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 3421143 steps, run timeout after 42001 ms. (steps per millisecond=81 ) properties seen :0 out of 6
Probabilistic random walk after 3421143 steps, saw 1055832 distinct states, run finished after 42001 ms. (steps per millisecond=81 ) properties seen :0
[2026-05-23 23:42:53] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:42:53] [INFO ] Invariant cache hit.
[2026-05-23 23:42:53] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 224/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 410/650 variables, 240/255 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 70/325 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 50/700 variables, 8/333 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/700 variables, 1/334 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 48/382 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 66/766 variables, 30/412 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/766 variables, 24/436 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/766 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 107/873 variables, 5/441 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/873 variables, 0/441 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 2/875 variables, 1/442 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/875 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 5/880 variables, 3/445 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/880 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 168/1048 variables, 114/559 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 142/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1642 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 224/230 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 10/240 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:56] [INFO ] Deduced a trap composed of 3 places in 292 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:56] [INFO ] Deduced a trap composed of 11 places in 277 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:56] [INFO ] Deduced a trap composed of 13 places in 307 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:56] [INFO ] Deduced a trap composed of 15 places in 246 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:57] [INFO ] Deduced a trap composed of 17 places in 145 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:57] [INFO ] Deduced a trap composed of 3 places in 113 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:57] [INFO ] Deduced a trap composed of 3 places in 248 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:57] [INFO ] Deduced a trap composed of 15 places in 217 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:57] [INFO ] Deduced a trap composed of 17 places in 167 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:58] [INFO ] Deduced a trap composed of 19 places in 126 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:58] [INFO ] Deduced a trap composed of 19 places in 165 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:58] [INFO ] Deduced a trap composed of 21 places in 116 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:58] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:58] [INFO ] Deduced a trap composed of 23 places in 95 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:42:58] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 410/650 variables, 240/270 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 70/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/650 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 50/700 variables, 8/348 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/700 variables, 48/397 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/700 variables, 5/402 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/700 variables, 0/402 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 66/766 variables, 30/432 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/766 variables, 24/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/766 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 107/873 variables, 5/461 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/873 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 2/875 variables, 1/462 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/875 variables, 0/462 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 21 (OVERLAPS) 5/880 variables, 3/465 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/880 variables, 1/466 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:01] [INFO ] Deduced a trap composed of 68 places in 534 ms of which 54 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/880 variables, 1/467 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:02] [INFO ] Deduced a trap composed of 68 places in 355 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:03] [INFO ] Deduced a trap composed of 68 places in 592 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:03] [INFO ] Deduced a trap composed of 68 places in 508 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:04] [INFO ] Deduced a trap composed of 68 places in 507 ms of which 64 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/880 variables, 4/471 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:04] [INFO ] Deduced a trap composed of 23 places in 150 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:04] [INFO ] Deduced a trap composed of 25 places in 160 ms of which 10 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/880 variables, 2/473 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/880 variables, 0/473 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 27 (OVERLAPS) 168/1048 variables, 114/587 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1048 variables, 142/729 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1048 variables, 0/729 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 30 (OVERLAPS) 0/1048 variables, 0/729 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 729 constraints, problems are : Problem set: 0 solved, 6 unsolved in 11828 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13488ms problems are : Problem set: 0 solved, 6 unsolved
Parikh walk visited 0 properties in 2361 ms.
Support contains 6 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 72 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 73 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 71 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2026-05-23 23:43:09] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:43:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:43:10] [INFO ] Implicit Places using invariants in 738 ms returned []
[2026-05-23 23:43:10] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:43:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:43:10] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:43:14] [INFO ] Implicit Places using invariants and state equation in 3751 ms returned []
Implicit Place search using SMT with State Equation took 4496 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:43:14] [INFO ] Redundant transitions in 69 ms returned []
Running 2096 sub problems to find dead transitions.
[2026-05-23 23:43:14] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:43:14] [INFO ] Invariant cache hit.
[2026-05-23 23:43:14] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,209 properties remain. new max is 262144
SDD size :5.47374e+06 after 1.86294e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:40] [INFO ] Deduced a trap composed of 3 places in 242 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:40] [INFO ] Deduced a trap composed of 3 places in 179 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:40] [INFO ] Deduced a trap composed of 15 places in 202 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:40] [INFO ] Deduced a trap composed of 17 places in 150 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:40] [INFO ] Deduced a trap composed of 23 places in 116 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:41] [INFO ] Deduced a trap composed of 19 places in 157 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:41] [INFO ] Deduced a trap composed of 27 places in 117 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:41] [INFO ] Deduced a trap composed of 25 places in 116 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:42] [INFO ] Deduced a trap composed of 61 places in 261 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:43] [INFO ] Deduced a trap composed of 23 places in 258 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:43] [INFO ] Deduced a trap composed of 67 places in 275 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:43] [INFO ] Deduced a trap composed of 42 places in 277 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:44] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:44] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:44] [INFO ] Deduced a trap composed of 58 places in 269 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:44] [INFO ] Deduced a trap composed of 66 places in 308 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:45] [INFO ] Deduced a trap composed of 13 places in 277 ms of which 18 ms to minimize.
SMT process timed out in 30981ms, After SMT, problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 30990ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35641 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 400000 steps (8 resets) in 2027 ms. (197 steps per ms) remains 6/6 properties
Running SMT prover for 6 properties.
[2026-05-23 23:43:45] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:43:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:43:45] [INFO ] [Real]Absence check using 17 positive place invariants in 13 ms returned sat
[2026-05-23 23:43:45] [INFO ] [Real]Absence check using 17 positive and 8 generalized place invariants in 6 ms returned sat
[2026-05-23 23:43:46] [INFO ] After 282ms SMT Verify possible using state equation in real domain returned unsat :0 sat :6
[2026-05-23 23:43:46] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:43:46] [INFO ] After 94ms SMT Verify possible using 284 Read/Feed constraints in real domain returned unsat :0 sat :6
TRAPS : Iteration 0
[2026-05-23 23:43:46] [INFO ] After 410ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:6
[2026-05-23 23:43:46] [INFO ] After 815ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:43:46] [INFO ] [Nat]Absence check using 17 positive place invariants in 13 ms returned sat
[2026-05-23 23:43:46] [INFO ] [Nat]Absence check using 17 positive and 8 generalized place invariants in 6 ms returned sat
[2026-05-23 23:43:47] [INFO ] After 263ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2026-05-23 23:43:47] [INFO ] After 105ms SMT Verify possible using 284 Read/Feed constraints in natural domain returned unsat :0 sat :6
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:47] [INFO ] Deduced a trap composed of 3 places in 219 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:47] [INFO ] Deduced a trap composed of 11 places in 205 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:47] [INFO ] Deduced a trap composed of 3 places in 224 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:48] [INFO ] Deduced a trap composed of 13 places in 210 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:48] [INFO ] Deduced a trap composed of 3 places in 198 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:48] [INFO ] Deduced a trap composed of 3 places in 161 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:48] [INFO ] Deduced a trap composed of 15 places in 131 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:48] [INFO ] Deduced a trap composed of 3 places in 130 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:49] [INFO ] Deduced a trap composed of 17 places in 91 ms of which 10 ms to minimize.
[2026-05-23 23:43:49] [INFO ] Trap strengthening (SAT) tested/added 10/9 trap constraints in 1876 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:49] [INFO ] Deduced a trap composed of 15 places in 97 ms of which 7 ms to minimize.
[2026-05-23 23:43:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 156 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:49] [INFO ] Deduced a trap composed of 19 places in 89 ms of which 7 ms to minimize.
[2026-05-23 23:43:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 148 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:49] [INFO ] Deduced a trap composed of 23 places in 89 ms of which 8 ms to minimize.
[2026-05-23 23:43:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 152 ms
TRAPS : Iteration 1
[2026-05-23 23:43:50] [INFO ] After 2981ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
[2026-05-23 23:43:50] [INFO ] After 3418ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
RANDOM walk for 40000 steps (8 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 352908 steps, run timeout after 3001 ms. (steps per millisecond=117 ) properties seen :0 out of 1
Probabilistic random walk after 352908 steps, saw 196203 distinct states, run finished after 3001 ms. (steps per millisecond=117 ) properties seen :0
[2026-05-23 23:43:53] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:43:53] [INFO ] Invariant cache hit.
[2026-05-23 23:43:53] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 28/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 246/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 28/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:54] [INFO ] Deduced a trap composed of 47 places in 94 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:54] [INFO ] Deduced a trap composed of 11 places in 55 ms of which 2 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 2/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:54] [INFO ] Deduced a trap composed of 23 places in 84 ms of which 6 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 246/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:54] [INFO ] Deduced a trap composed of 3 places in 116 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:54] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 3 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 2/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1048 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1048 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 707 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1216 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1728ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 73 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 360018 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :0 out of 1
Probabilistic random walk after 360018 steps, saw 199893 distinct states, run finished after 3001 ms. (steps per millisecond=119 ) properties seen :0
[2026-05-23 23:43:58] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:43:58] [INFO ] Invariant cache hit.
[2026-05-23 23:43:58] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 28/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 246/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 489 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 28/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:59] [INFO ] Deduced a trap composed of 47 places in 99 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:59] [INFO ] Deduced a trap composed of 11 places in 66 ms of which 3 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 2/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:59] [INFO ] Deduced a trap composed of 23 places in 91 ms of which 6 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 246/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:59] [INFO ] Deduced a trap composed of 3 places in 107 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:43:59] [INFO ] Deduced a trap composed of 3 places in 64 ms of which 3 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 2/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1048 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1048 variables, 0/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 707 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1274 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1777ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 50 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 70 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 69 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2026-05-23 23:44:00] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:44:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:44:00] [INFO ] Implicit Places using invariants in 731 ms returned []
[2026-05-23 23:44:00] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:44:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:44:01] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:44:04] [INFO ] Implicit Places using invariants and state equation in 3279 ms returned []
Implicit Place search using SMT with State Equation took 4015 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:44:04] [INFO ] Redundant transitions in 247 ms returned []
Running 2096 sub problems to find dead transitions.
[2026-05-23 23:44:04] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:44:04] [INFO ] Invariant cache hit.
[2026-05-23 23:44:04] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:25] [INFO ] Deduced a trap composed of 3 places in 243 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:25] [INFO ] Deduced a trap composed of 3 places in 176 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:26] [INFO ] Deduced a trap composed of 15 places in 206 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:26] [INFO ] Deduced a trap composed of 17 places in 165 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:26] [INFO ] Deduced a trap composed of 23 places in 201 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:26] [INFO ] Deduced a trap composed of 19 places in 290 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:27] [INFO ] Deduced a trap composed of 27 places in 228 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:27] [INFO ] Deduced a trap composed of 25 places in 216 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:28] [INFO ] Deduced a trap composed of 61 places in 237 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:29] [INFO ] Deduced a trap composed of 23 places in 440 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:29] [INFO ] Deduced a trap composed of 67 places in 478 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:30] [INFO ] Deduced a trap composed of 42 places in 467 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:30] [INFO ] Deduced a trap composed of 21 places in 94 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:30] [INFO ] Deduced a trap composed of 3 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:30] [INFO ] Deduced a trap composed of 58 places in 260 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:31] [INFO ] Deduced a trap composed of 66 places in 501 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:32] [INFO ] Deduced a trap composed of 13 places in 468 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:32] [INFO ] Deduced a trap composed of 27 places in 159 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:32] [INFO ] Deduced a trap composed of 66 places in 364 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:33] [INFO ] Deduced a trap composed of 66 places in 527 ms of which 53 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:34] [INFO ] Deduced a trap composed of 31 places in 113 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 46 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:41] [INFO ] Deduced a trap composed of 42 places in 261 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:42] [INFO ] Deduced a trap composed of 42 places in 250 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:43] [INFO ] Deduced a trap composed of 42 places in 247 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:44] [INFO ] Deduced a trap composed of 42 places in 275 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:44] [INFO ] Deduced a trap composed of 58 places in 270 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:45] [INFO ] Deduced a trap composed of 42 places in 318 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:45] [INFO ] Deduced a trap composed of 61 places in 285 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:45] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:46] [INFO ] Deduced a trap composed of 42 places in 311 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:46] [INFO ] Deduced a trap composed of 11 places in 131 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:47] [INFO ] Deduced a trap composed of 58 places in 358 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:47] [INFO ] Deduced a trap composed of 55 places in 343 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:47] [INFO ] Deduced a trap composed of 46 places in 330 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:48] [INFO ] Deduced a trap composed of 46 places in 314 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:48] [INFO ] Deduced a trap composed of 55 places in 325 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:49] [INFO ] Deduced a trap composed of 31 places in 101 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:49] [INFO ] Deduced a trap composed of 33 places in 346 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:49] [INFO ] Deduced a trap composed of 58 places in 329 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:50] [INFO ] Deduced a trap composed of 19 places in 306 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:44:50] [INFO ] Deduced a trap composed of 68 places in 428 ms of which 52 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:00] [INFO ] Deduced a trap composed of 3 places in 108 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:01] [INFO ] Deduced a trap composed of 15 places in 265 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:03] [INFO ] Deduced a trap composed of 3 places in 108 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:05] [INFO ] Deduced a trap composed of 23 places in 101 ms of which 5 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 392/1048 variables, and 70 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 45/45 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60788ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 60796ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65144 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 4 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 73 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2026-05-23 23:45:05] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 23:45:05] [INFO ] After 47ms 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
[2026-05-23 23:45:05] [INFO ] [Nat]Absence check using 17 positive place invariants in 4 ms returned sat
[2026-05-23 23:45:05] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 23:45:05] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-23 23:45:05] [INFO ] After 6ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 23:45:05] [INFO ] After 15ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 23:45:05] [INFO ] After 106ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 238 ms.
RANDOM walk for 40000 steps (8 resets) in 201 ms. (198 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 358722 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :0 out of 1
Probabilistic random walk after 358722 steps, saw 199152 distinct states, run finished after 3001 ms. (steps per millisecond=119 ) properties seen :0
[2026-05-23 23:45:08] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2026-05-23 23:45:08] [INFO ] Computed 25 invariants in 7 ms
[2026-05-23 23:45:08] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 450 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:09] [INFO ] Deduced a trap composed of 11 places in 432 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:10] [INFO ] Deduced a trap composed of 46 places in 449 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:10] [INFO ] Deduced a trap composed of 70 places in 454 ms of which 65 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 3/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2137 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2604ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 63 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 113 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 114 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 349767 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :0 out of 1
Probabilistic random walk after 349767 steps, saw 194546 distinct states, run finished after 3001 ms. (steps per millisecond=116 ) properties seen :0
[2026-05-23 23:45:14] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:45:14] [INFO ] Invariant cache hit.
[2026-05-23 23:45:14] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 478 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 392/1048 variables, 266/455 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 247/702 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:15] [INFO ] Deduced a trap composed of 3 places in 232 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:15] [INFO ] Deduced a trap composed of 3 places in 177 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:15] [INFO ] Deduced a trap composed of 21 places in 116 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:16] [INFO ] Deduced a trap composed of 3 places in 64 ms of which 3 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 4/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 706 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1399 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1888ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 86 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 72 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 72 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 72 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2026-05-23 23:45:16] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:45:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:45:17] [INFO ] Implicit Places using invariants in 683 ms returned []
[2026-05-23 23:45:17] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:45:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:45:17] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:45:20] [INFO ] Implicit Places using invariants and state equation in 3217 ms returned []
Implicit Place search using SMT with State Equation took 3902 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:45:20] [INFO ] Redundant transitions in 61 ms returned []
Running 2096 sub problems to find dead transitions.
[2026-05-23 23:45:20] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:45:20] [INFO ] Invariant cache hit.
[2026-05-23 23:45:20] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Detected timeout of ITS tools.
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:41] [INFO ] Flatten gal took : 145 ms
[2026-05-23 23:45:41] [INFO ] Applying decomposition
[2026-05-23 23:45:42] [INFO ] Deduced a trap composed of 3 places in 352 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:42] [INFO ] Flatten gal took : 195 ms
[2026-05-23 23:45:42] [INFO ] Deduced a trap composed of 3 places in 257 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:42] [INFO ] Deduced a trap composed of 15 places in 438 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 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/graph1864284303354902916.txt' '-o' '/tmp/graph1864284303354902916.bin' '-w' '/tmp/graph1864284303354902916.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1864284303354902916.bin' '-l' '-1' '-v' '-w' '/tmp/graph1864284303354902916.weights' '-q' '0' '-e' '0.001'
[2026-05-23 23:45:43] [INFO ] Decomposing Gal with order
[2026-05-23 23:45:43] [INFO ] Deduced a trap composed of 17 places in 330 ms of which 34 ms to minimize.
[2026-05-23 23:45:43] [INFO ] Rewriting arrays to variables to allow decomposition.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:43] [INFO ] Deduced a trap composed of 23 places in 252 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:43] [INFO ] Deduced a trap composed of 19 places in 199 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:43] [INFO ] Deduced a trap composed of 27 places in 149 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:43] [INFO ] Deduced a trap composed of 25 places in 130 ms of which 13 ms to minimize.
[2026-05-23 23:45:44] [INFO ] Removed a total of 5517 redundant transitions.
[2026-05-23 23:45:44] [INFO ] Flatten gal took : 756 ms
[2026-05-23 23:45:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 283 labels/synchronizations in 175 ms.
[2026-05-23 23:45:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7969631037933970530.gal : 88 ms
[2026-05-23 23:45:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14099319228110357183.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7969631037933970530.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14099319228110357183.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 ...308
Loading property file /tmp/ReachabilityCardinality14099319228110357183.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :5 after 12
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :12 after 16
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :16 after 30
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :30 after 49
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :49 after 462
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :462 after 2397
[2026-05-23 23:45:46] [INFO ] Deduced a trap composed of 61 places in 409 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:46] [INFO ] Deduced a trap composed of 23 places in 407 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:46] [INFO ] Deduced a trap composed of 67 places in 413 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:47] [INFO ] Deduced a trap composed of 42 places in 414 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :2397 after 144199
[2026-05-23 23:45:47] [INFO ] Deduced a trap composed of 21 places in 140 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:47] [INFO ] Deduced a trap composed of 3 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:48] [INFO ] Deduced a trap composed of 58 places in 398 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:49] [INFO ] Deduced a trap composed of 66 places in 466 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:49] [INFO ] Deduced a trap composed of 13 places in 382 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:49] [INFO ] Deduced a trap composed of 27 places in 79 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:49] [INFO ] Deduced a trap composed of 66 places in 301 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:50] [INFO ] Deduced a trap composed of 66 places in 394 ms of which 58 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 45 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:55] [INFO ] Deduced a trap composed of 31 places in 150 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:45:58] [INFO ] Deduced a trap composed of 42 places in 382 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:01] [INFO ] Deduced a trap composed of 42 places in 404 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:02] [INFO ] Deduced a trap composed of 42 places in 427 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:02] [INFO ] Deduced a trap composed of 42 places in 412 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:03] [INFO ] Deduced a trap composed of 42 places in 436 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:03] [INFO ] Deduced a trap composed of 61 places in 355 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:04] [INFO ] Deduced a trap composed of 42 places in 416 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:04] [INFO ] Deduced a trap composed of 3 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:04] [INFO ] Deduced a trap composed of 11 places in 143 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:06] [INFO ] Deduced a trap composed of 46 places in 504 ms of which 26 ms to minimize.
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :144199 after 4.05137e+07
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:08] [INFO ] Deduced a trap composed of 42 places in 394 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:10] [INFO ] Deduced a trap composed of 46 places in 302 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:11] [INFO ] Deduced a trap composed of 46 places in 319 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:13] [INFO ] Deduced a trap composed of 68 places in 464 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:14] [INFO ] Deduced a trap composed of 3 places in 506 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:14] [INFO ] Deduced a trap composed of 15 places in 435 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:15] [INFO ] Deduced a trap composed of 46 places in 500 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:16] [INFO ] Deduced a trap composed of 46 places in 472 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:17] [INFO ] Deduced a trap composed of 61 places in 483 ms of which 38 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/65 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 392/1048 variables, and 65 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30082 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60795ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 60803ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64853 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 2 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 57 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2026-05-23 23:46:21] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 23:46:21] [INFO ] After 36ms 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
[2026-05-23 23:46:21] [INFO ] [Nat]Absence check using 17 positive place invariants in 6 ms returned sat
[2026-05-23 23:46:21] [INFO ] After 56ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 23:46:21] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-23 23:46:21] [INFO ] After 8ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 23:46:21] [INFO ] After 18ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 23:46:21] [INFO ] After 137ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 244 ms.
RANDOM walk for 40000 steps (8 resets) in 165 ms. (240 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :4.05137e+07 after 4.39211e+07
Interrupted probabilistic random walk after 348849 steps, run timeout after 3001 ms. (steps per millisecond=116 ) properties seen :0 out of 1
Probabilistic random walk after 348849 steps, saw 194033 distinct states, run finished after 3001 ms. (steps per millisecond=116 ) properties seen :0
[2026-05-23 23:46:24] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2026-05-23 23:46:24] [INFO ] Computed 25 invariants in 8 ms
[2026-05-23 23:46:24] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 485 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:25] [INFO ] Deduced a trap composed of 47 places in 102 ms of which 6 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:25] [INFO ] Deduced a trap composed of 3 places in 141 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:25] [INFO ] Deduced a trap composed of 3 places in 95 ms of which 4 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 2/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1114 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1619ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 67 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 69 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 161 ms. (246 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 359865 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :0 out of 1
Probabilistic random walk after 359865 steps, saw 199789 distinct states, run finished after 3001 ms. (steps per millisecond=119 ) properties seen :0
[2026-05-23 23:46:29] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:46:29] [INFO ] Invariant cache hit.
[2026-05-23 23:46:29] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 433 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:30] [INFO ] Deduced a trap composed of 11 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:30] [INFO ] Deduced a trap composed of 47 places in 90 ms of which 5 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 2/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:46:30] [INFO ] Deduced a trap composed of 13 places in 145 ms of which 12 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 247/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1062 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1518ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 92 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 111 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 111 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 110 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2026-05-23 23:46:31] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:46:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:46:31] [INFO ] Implicit Places using invariants in 801 ms returned []
[2026-05-23 23:46:32] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:46:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:46:32] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:46:35] [INFO ] Implicit Places using invariants and state equation in 3104 ms returned []
Implicit Place search using SMT with State Equation took 3912 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:46:35] [INFO ] Redundant transitions in 93 ms returned []
Running 2096 sub problems to find dead transitions.
[2026-05-23 23:46:35] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:46:35] [INFO ] Invariant cache hit.
[2026-05-23 23:46:35] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :4.39211e+07 after 5.17007e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:02] [INFO ] Deduced a trap composed of 3 places in 269 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:02] [INFO ] Deduced a trap composed of 3 places in 220 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:02] [INFO ] Deduced a trap composed of 15 places in 234 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:03] [INFO ] Deduced a trap composed of 17 places in 185 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:03] [INFO ] Deduced a trap composed of 23 places in 133 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:03] [INFO ] Deduced a trap composed of 19 places in 197 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:03] [INFO ] Deduced a trap composed of 27 places in 134 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:03] [INFO ] Deduced a trap composed of 25 places in 135 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:05] [INFO ] Deduced a trap composed of 61 places in 291 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:06] [INFO ] Deduced a trap composed of 23 places in 314 ms of which 24 ms to minimize.
SMT process timed out in 31083ms, After SMT, problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 31090ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35223 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 1 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 59 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2026-05-23 23:47:06] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 23:47:06] [INFO ] After 37ms 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
[2026-05-23 23:47:06] [INFO ] [Nat]Absence check using 17 positive place invariants in 6 ms returned sat
[2026-05-23 23:47:06] [INFO ] After 64ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 23:47:06] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-23 23:47:06] [INFO ] After 10ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 23:47:06] [INFO ] After 23ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 23:47:06] [INFO ] After 141ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 253 ms.
RANDOM walk for 40000 steps (8 resets) in 307 ms. (129 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 324279 steps, run timeout after 3001 ms. (steps per millisecond=108 ) properties seen :0 out of 1
Probabilistic random walk after 324279 steps, saw 181161 distinct states, run finished after 3001 ms. (steps per millisecond=108 ) properties seen :0
[2026-05-23 23:47:09] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2026-05-23 23:47:09] [INFO ] Computed 25 invariants in 4 ms
[2026-05-23 23:47:09] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 469 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:10] [INFO ] Deduced a trap composed of 15 places in 106 ms of which 8 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 0/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1048 variables, 0/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 703 constraints, problems are : Problem set: 0 solved, 1 unsolved in 843 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1327ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 50 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 82 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 84 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 357705 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :0 out of 1
Probabilistic random walk after 357705 steps, saw 198659 distinct states, run finished after 3001 ms. (steps per millisecond=119 ) properties seen :0
[2026-05-23 23:47:14] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:47:14] [INFO ] Invariant cache hit.
[2026-05-23 23:47:14] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 493 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:15] [INFO ] Deduced a trap composed of 11 places in 94 ms of which 5 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:15] [INFO ] Deduced a trap composed of 15 places in 134 ms of which 9 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 247/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1115 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1629ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 68 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 65 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2026-05-23 23:47:16] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:47:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:47:16] [INFO ] Implicit Places using invariants in 781 ms returned []
[2026-05-23 23:47:16] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:47:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:47:17] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:47:20] [INFO ] Implicit Places using invariants and state equation in 3326 ms returned []
Implicit Place search using SMT with State Equation took 4111 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:47:20] [INFO ] Redundant transitions in 55 ms returned []
Running 2096 sub problems to find dead transitions.
[2026-05-23 23:47:20] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:47:20] [INFO ] Invariant cache hit.
[2026-05-23 23:47:20] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:47] [INFO ] Deduced a trap composed of 3 places in 253 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:48] [INFO ] Deduced a trap composed of 3 places in 289 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:48] [INFO ] Deduced a trap composed of 15 places in 305 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:48] [INFO ] Deduced a trap composed of 17 places in 210 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:49] [INFO ] Deduced a trap composed of 23 places in 159 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:49] [INFO ] Deduced a trap composed of 19 places in 239 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:49] [INFO ] Deduced a trap composed of 27 places in 158 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:49] [INFO ] Deduced a trap composed of 25 places in 176 ms of which 20 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 33 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30086 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 8/33 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:58] [INFO ] Deduced a trap composed of 61 places in 376 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:58] [INFO ] Deduced a trap composed of 42 places in 401 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:58] [INFO ] Deduced a trap composed of 58 places in 393 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:59] [INFO ] Deduced a trap composed of 42 places in 301 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:47:59] [INFO ] Deduced a trap composed of 42 places in 409 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:00] [INFO ] Deduced a trap composed of 23 places in 125 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:00] [INFO ] Deduced a trap composed of 42 places in 369 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:00] [INFO ] Deduced a trap composed of 42 places in 427 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:01] [INFO ] Deduced a trap composed of 13 places in 387 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:01] [INFO ] Deduced a trap composed of 65 places in 408 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:02] [INFO ] Deduced a trap composed of 27 places in 412 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:02] [INFO ] Deduced a trap composed of 3 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:02] [INFO ] Deduced a trap composed of 61 places in 365 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:03] [INFO ] Deduced a trap composed of 38 places in 140 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:03] [INFO ] Deduced a trap composed of 3 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:03] [INFO ] Deduced a trap composed of 33 places in 136 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:03] [INFO ] Deduced a trap composed of 3 places in 195 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:04] [INFO ] Deduced a trap composed of 42 places in 453 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:04] [INFO ] Deduced a trap composed of 68 places in 422 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:05] [INFO ] Deduced a trap composed of 22 places in 431 ms of which 38 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/53 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:10] [INFO ] Deduced a trap composed of 42 places in 382 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:10] [INFO ] Deduced a trap composed of 42 places in 406 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:11] [INFO ] Deduced a trap composed of 61 places in 341 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:11] [INFO ] Deduced a trap composed of 3 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:11] [INFO ] Deduced a trap composed of 11 places in 108 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:11] [INFO ] Deduced a trap composed of 42 places in 357 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:12] [INFO ] Deduced a trap composed of 42 places in 256 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:13] [INFO ] Deduced a trap composed of 42 places in 394 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:14] [INFO ] Deduced a trap composed of 58 places in 393 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:14] [INFO ] Deduced a trap composed of 46 places in 260 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:15] [INFO ] Deduced a trap composed of 58 places in 279 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:16] [INFO ] Deduced a trap composed of 61 places in 260 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:17] [INFO ] Deduced a trap composed of 46 places in 350 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:17] [INFO ] Deduced a trap composed of 46 places in 301 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:18] [INFO ] Deduced a trap composed of 61 places in 344 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:19] [INFO ] Deduced a trap composed of 58 places in 306 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:20] [INFO ] Deduced a trap composed of 68 places in 342 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:20] [INFO ] Deduced a trap composed of 15 places in 277 ms of which 19 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 392/1048 variables, and 71 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30053 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 46/46 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60806ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 60811ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65057 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 1 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 1 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 28 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2026-05-23 23:48:21] [INFO ] Computed 17 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 23:48:21] [INFO ] After 26ms 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
[2026-05-23 23:48:21] [INFO ] [Nat]Absence check using 17 positive place invariants in 4 ms returned sat
[2026-05-23 23:48:21] [INFO ] After 62ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 23:48:21] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-23 23:48:21] [INFO ] After 15ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 23:48:21] [INFO ] After 28ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 23:48:21] [INFO ] After 131ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 195 ms.
RANDOM walk for 40000 steps (8 resets) in 139 ms. (285 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 347643 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 1
Probabilistic random walk after 347643 steps, saw 193318 distinct states, run finished after 3001 ms. (steps per millisecond=115 ) properties seen :0
[2026-05-23 23:48:24] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2026-05-23 23:48:24] [INFO ] Computed 25 invariants in 2 ms
[2026-05-23 23:48:24] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 643 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:25] [INFO ] Deduced a trap composed of 15 places in 192 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:25] [INFO ] Deduced a trap composed of 3 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:26] [INFO ] Deduced a trap composed of 56 places in 502 ms of which 40 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 3/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/458 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:26] [INFO ] Deduced a trap composed of 3 places in 89 ms of which 5 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 1/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 706 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2090 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2744ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 59 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 107 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 109 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 202 ms. (197 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 331245 steps, run timeout after 3001 ms. (steps per millisecond=110 ) properties seen :0 out of 1
Probabilistic random walk after 331245 steps, saw 184898 distinct states, run finished after 3001 ms. (steps per millisecond=110 ) properties seen :0
[2026-05-23 23:48:30] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:48:30] [INFO ] Invariant cache hit.
[2026-05-23 23:48:30] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 465 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:31] [INFO ] Deduced a trap composed of 11 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:31] [INFO ] Deduced a trap composed of 47 places in 145 ms of which 11 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 2/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:31] [INFO ] Deduced a trap composed of 13 places in 176 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:31] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:31] [INFO ] Deduced a trap composed of 15 places in 129 ms of which 12 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 3/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/460 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 247/707 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:32] [INFO ] Deduced a trap composed of 3 places in 96 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:48:32] [INFO ] Deduced a trap composed of 20 places in 173 ms of which 17 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 2/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1048 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1048 variables, 0/709 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 709 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1733 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2210ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 64 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 63 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2026-05-23 23:48:32] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:48:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:48:33] [INFO ] Implicit Places using invariants in 833 ms returned []
[2026-05-23 23:48:33] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:48:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:48:33] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:48:36] [INFO ] Implicit Places using invariants and state equation in 3125 ms returned []
Implicit Place search using SMT with State Equation took 3960 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:48:36] [INFO ] Redundant transitions in 57 ms returned []
Running 2096 sub problems to find dead transitions.
[2026-05-23 23:48:36] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:48:36] [INFO ] Invariant cache hit.
[2026-05-23 23:48:36] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :5.17007e+07 after 5.88594e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:02] [INFO ] Deduced a trap composed of 3 places in 273 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:02] [INFO ] Deduced a trap composed of 3 places in 221 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:02] [INFO ] Deduced a trap composed of 15 places in 210 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:02] [INFO ] Deduced a trap composed of 17 places in 144 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:02] [INFO ] Deduced a trap composed of 23 places in 106 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:02] [INFO ] Deduced a trap composed of 19 places in 148 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:03] [INFO ] Deduced a trap composed of 27 places in 130 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:03] [INFO ] Deduced a trap composed of 25 places in 134 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:05] [INFO ] Deduced a trap composed of 61 places in 278 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:05] [INFO ] Deduced a trap composed of 23 places in 315 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:06] [INFO ] Deduced a trap composed of 67 places in 311 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:06] [INFO ] Deduced a trap composed of 42 places in 314 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:06] [INFO ] Deduced a trap composed of 21 places in 103 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:06] [INFO ] Deduced a trap composed of 3 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:07] [INFO ] Deduced a trap composed of 58 places in 308 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:07] [INFO ] Deduced a trap composed of 66 places in 346 ms of which 36 ms to minimize.
SMT process timed out in 30959ms, After SMT, problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 30967ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35058 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 1 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 0 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 33 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2026-05-23 23:49:07] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 23:49:07] [INFO ] After 25ms 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
[2026-05-23 23:49:07] [INFO ] [Nat]Absence check using 17 positive place invariants in 5 ms returned sat
[2026-05-23 23:49:07] [INFO ] After 50ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 23:49:07] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-23 23:49:07] [INFO ] After 8ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 23:49:07] [INFO ] After 19ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 23:49:07] [INFO ] After 111ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 183 ms.
RANDOM walk for 40000 steps (8 resets) in 184 ms. (216 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 357399 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :0 out of 1
Probabilistic random walk after 357399 steps, saw 198488 distinct states, run finished after 3001 ms. (steps per millisecond=119 ) properties seen :0
[2026-05-23 23:49:10] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
// Phase 1: matrix 656 rows 392 cols
[2026-05-23 23:49:10] [INFO ] Computed 25 invariants in 3 ms
[2026-05-23 23:49:10] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 469 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:11] [INFO ] Deduced a trap composed of 47 places in 91 ms of which 5 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:12] [INFO ] Deduced a trap composed of 23 places in 99 ms of which 6 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/656 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 392/1048 variables, 266/457 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 247/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:12] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 3 ms to minimize.
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 1/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/1048 variables, 0/705 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 705 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1386 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1868ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 54 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 64 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 392/392 places, 2104/2104 transitions.
RANDOM walk for 40000 steps (8 resets) in 146 ms. (272 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 322992 steps, run timeout after 3001 ms. (steps per millisecond=107 ) properties seen :0 out of 1
Probabilistic random walk after 322992 steps, saw 180519 distinct states, run finished after 3001 ms. (steps per millisecond=107 ) properties seen :0
[2026-05-23 23:49:15] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:49:15] [INFO ] Invariant cache hit.
[2026-05-23 23:49:16] [INFO ] State equation strengthened by 284 read => feed constraints.
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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/656 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/656 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 392/1048 variables, 266/454 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1048 variables, 247/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1048 variables, 0/701 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1048/1048 variables, and 701 constraints, problems are : Problem set: 0 solved, 1 unsolved in 464 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 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) 45/46 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/46 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/48 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/48 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/130 variables, 48/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 2/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 106/236 variables, 8/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/236 variables, 1/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/236 variables, 10/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/236 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 154/390 variables, 70/142 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/390 variables, 25/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/390 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 251/641 variables, 13/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/641 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/643 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:16] [INFO ] Deduced a trap composed of 11 places in 61 ms of which 3 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/643 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/643 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 13/656 variables, 7/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/656 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/656 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 392/1048 variables, 266/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1048 variables, 247/703 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:17] [INFO ] Deduced a trap composed of 3 places in 70 ms of which 3 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1048 variables, 1/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1048 variables, 0/704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1048/1048 variables, and 704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 979 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 392/392 constraints, ReadFeed: 284/284 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1474ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 75 ms.
Support contains 1 out of 392 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 106 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 106 ms. Remains : 392/392 places, 2104/2104 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 392/392 places, 2104/2104 transitions.
Applied a total of 0 rules in 105 ms. Remains 392 /392 variables (removed 0) and now considering 2104/2104 (removed 0) transitions.
[2026-05-23 23:49:17] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:49:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:49:18] [INFO ] Implicit Places using invariants in 927 ms returned []
[2026-05-23 23:49:18] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:49:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 23:49:19] [INFO ] State equation strengthened by 284 read => feed constraints.
[2026-05-23 23:49:22] [INFO ] Implicit Places using invariants and state equation in 3359 ms returned []
Implicit Place search using SMT with State Equation took 4288 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 23:49:22] [INFO ] Redundant transitions in 97 ms returned []
Running 2096 sub problems to find dead transitions.
[2026-05-23 23:49:22] [INFO ] Flow matrix only has 656 transitions (discarded 1448 similar events)
[2026-05-23 23:49:22] [INFO ] Invariant cache hit.
[2026-05-23 23:49:22] [INFO ] State equation strengthened by 284 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:46] [INFO ] Deduced a trap composed of 3 places in 327 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:46] [INFO ] Deduced a trap composed of 3 places in 194 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:46] [INFO ] Deduced a trap composed of 15 places in 206 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:46] [INFO ] Deduced a trap composed of 17 places in 160 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:46] [INFO ] Deduced a trap composed of 23 places in 116 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:46] [INFO ] Deduced a trap composed of 19 places in 161 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:47] [INFO ] Deduced a trap composed of 27 places in 116 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:47] [INFO ] Deduced a trap composed of 25 places in 116 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:48] [INFO ] Deduced a trap composed of 61 places in 251 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:49] [INFO ] Deduced a trap composed of 23 places in 263 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:49] [INFO ] Deduced a trap composed of 67 places in 244 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:49] [INFO ] Deduced a trap composed of 42 places in 270 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:49] [INFO ] Deduced a trap composed of 21 places in 90 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:50] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:50] [INFO ] Deduced a trap composed of 58 places in 265 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:50] [INFO ] Deduced a trap composed of 66 places in 314 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:51] [INFO ] Deduced a trap composed of 13 places in 277 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:51] [INFO ] Deduced a trap composed of 27 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:51] [INFO ] Deduced a trap composed of 66 places in 327 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:51] [INFO ] Deduced a trap composed of 66 places in 321 ms of which 40 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 20/45 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:53] [INFO ] Deduced a trap composed of 31 places in 129 ms of which 11 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 392/1048 variables, and 46 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30073 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 2096/2096 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/392 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/392 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/392 variables, 21/46 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:59] [INFO ] Deduced a trap composed of 42 places in 266 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:49:59] [INFO ] Deduced a trap composed of 42 places in 265 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:00] [INFO ] Deduced a trap composed of 42 places in 245 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:01] [INFO ] Deduced a trap composed of 42 places in 239 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:02] [INFO ] Deduced a trap composed of 58 places in 246 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:02] [INFO ] Deduced a trap composed of 42 places in 300 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:03] [INFO ] Deduced a trap composed of 61 places in 273 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:03] [INFO ] Deduced a trap composed of 3 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:03] [INFO ] Deduced a trap composed of 42 places in 288 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:04] [INFO ] Deduced a trap composed of 11 places in 131 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:04] [INFO ] Deduced a trap composed of 58 places in 313 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:05] [INFO ] Deduced a trap composed of 55 places in 312 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:05] [INFO ] Deduced a trap composed of 46 places in 301 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:06] [INFO ] Deduced a trap composed of 46 places in 310 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:06] [INFO ] Deduced a trap composed of 55 places in 333 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:06] [INFO ] Deduced a trap composed of 31 places in 104 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:07] [INFO ] Deduced a trap composed of 33 places in 353 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:07] [INFO ] Deduced a trap composed of 58 places in 330 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:08] [INFO ] Deduced a trap composed of 19 places in 320 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:08] [INFO ] Deduced a trap composed of 68 places in 308 ms of which 37 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/392 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 2096 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:19] [INFO ] Deduced a trap composed of 3 places in 110 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:20] [INFO ] Deduced a trap composed of 15 places in 279 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 23:50:22] [INFO ] Deduced a trap composed of 3 places in 120 ms of which 6 ms to minimize.
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 392/1048 variables, and 69 constraints, problems are : Problem set: 0 solved, 2096 unsolved in 30062 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 0/392 constraints, ReadFeed: 0/284 constraints, PredecessorRefiner: 0/2096 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61095ms problems are : Problem set: 0 solved, 2096 unsolved
Search for dead transitions found 0 dead transitions in 61102ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65606 ms. Remains : 392/392 places, 2104/2104 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1958 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 1 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 0 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 111 Post agglomeration using F-continuation condition.Transition count delta: 111
Deduced a syphon composed of 111 places in 1 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 2 with 222 rules applied. Total rules applied 423 place count 121 transition count 281
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 479 place count 121 transition count 225
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 495 place count 113 transition count 225
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 503 place count 113 transition count 217
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 511 place count 113 transition count 209
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 567 place count 113 transition count 153
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 623 place count 57 transition count 153
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 631 place count 57 transition count 153
Applied a total of 631 rules in 32 ms. Remains 57 /392 variables (removed 335) and now considering 153/2104 (removed 1951) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 153 rows 57 cols
[2026-05-23 23:50:23] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 23:50:23] [INFO ] After 43ms 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
[2026-05-23 23:50:23] [INFO ] [Nat]Absence check using 17 positive place invariants in 5 ms returned sat
[2026-05-23 23:50:23] [INFO ] After 51ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 23:50:23] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-23 23:50:23] [INFO ] After 7ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 23:50:23] [INFO ] After 17ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 23:50:23] [INFO ] After 119ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 202 ms.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1948 edges and 392 vertex of which 64 / 392 are part of one of the 8 SCC in 0 ms
Free SCC test removed 56 places
Drop transitions (Empty/Sink Transition effects.) removed 216 transitions
Ensure Unique test removed 1400 transitions
Reduce isomorphic transitions removed 1616 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 79 transitions
Trivial Post-agglo rules discarded 79 transitions
Performed 79 trivial Post agglomeration. Transition count delta: 79
Iterating post reduction 0 with 79 rules applied. Total rules applied 80 place count 336 transition count 409
Reduce places removed 79 places and 0 transitions.
Iterating post reduction 1 with 79 rules applied. Total rules applied 159 place count 257 transition count 409
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 159 place count 257 transition count 392
Deduced a syphon composed of 17 places in 1 ms
Ensure Unique test removed 8 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 201 place count 232 transition count 392
Performed 106 Post agglomeration using F-continuation condition.Transition count delta: 106
Deduced a syphon composed of 106 places in 0 ms
Reduce places removed 106 places and 0 transitions.
Iterating global reduction 2 with 212 rules applied. Total rules applied 413 place count 126 transition count 286
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 469 place count 126 transition count 230
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 485 place count 118 transition count 230
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 493 place count 118 transition count 222
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 4 with 8 rules applied. Total rules applied 501 place count 118 transition count 214
Free-agglomeration rule applied 56 times.
Iterating global reduction 4 with 56 rules applied. Total rules applied 557 place count 118 transition count 158
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 4 with 56 rules applied. Total rules applied 613 place count 62 transition count 158
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 5 with 8 rules applied. Total rules applied 621 place count 62 transition count 158
Applied a total of 621 rules in 26 ms. Remains 62 /392 variables (removed 330) and now considering 158/2104 (removed 1946) transitions.
Running SMT prover for 6 properties.
// Phase 1: matrix 158 rows 62 cols
[2026-05-23 23:50:23] [INFO ] Computed 17 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 23:50:23] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 23:50:23] [INFO ] [Nat]Absence check using 17 positive place invariants in 7 ms returned sat
[2026-05-23 23:50:23] [INFO ] After 97ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2026-05-23 23:50:23] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-23 23:50:23] [INFO ] After 51ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :6
TRAPS : Iteration 0
[2026-05-23 23:50:23] [INFO ] After 131ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
[2026-05-23 23:50:23] [INFO ] After 337ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
[2026-05-23 23:50:23] [INFO ] Flatten gal took : 7 ms
[2026-05-23 23:50:23] [INFO ] Flatten gal took : 6 ms
[2026-05-23 23:50:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7816261948967211425.gal : 3 ms
[2026-05-23 23:50:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2305760759104598166.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7816261948967211425.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2305760759104598166.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 ...328
Loading property file /tmp/ReachabilityCardinality2305760759104598166.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 12
Invariant property smplace_639 does not hold.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :12 after 30
Invariant property smplace_649 does not hold.
Invariant property smplace_648 does not hold.
Invariant property smplace_640 does not hold.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :30 after 150
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :150 after 432
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :432 after 459
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :459 after 594
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :594 after 740
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :740 after 1512
Invariant property smplace_667 does not hold.
Invariant property smplace_658 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 129 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.5241e+06,0.051196,5704,2,232,19,2931,6,0,409,1767,0
Total reachable state count : 1524096

Verifying 6 reachability properties.
Invariant property smplace_639 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_639,6,0.051854,5704,2,73,19,2931,7,0,412,1767,0
Invariant property smplace_640 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_640,4,0.052158,5704,2,66,19,2931,8,0,414,1767,0
Invariant property smplace_648 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_648,18,0.052476,5704,2,88,19,2931,9,0,416,1767,0
Invariant property smplace_649 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_649,18,0.052728,5704,2,88,19,2931,10,0,418,1767,0
Invariant property smplace_658 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_658,756,0.052978,5704,2,148,19,2931,11,0,420,1767,0
Invariant property smplace_667 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_667,7560,0.05323,5704,2,169,19,2931,12,0,422,1767,0
Over-approximation ignoring read arcs solved 0 properties in 502 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-23 23:50:24] [INFO ] Flatten gal took : 72 ms
[2026-05-23 23:50:24] [INFO ] Flatten gal took : 74 ms
[2026-05-23 23:50:24] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability6414103678632451442.gal : 18 ms
[2026-05-23 23:50:24] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability14188820202214350842.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/ReachabilityFireability6414103678632451442.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability14188820202214350842.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
Loading property file /tmp/ReachabilityFireability14188820202214350842.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :8 after 22
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :28 after 52
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :52 after 85
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :85 after 272
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :272 after 520
Detected timeout of ITS tools.
[2026-05-23 23:50:27] [INFO ] Flatten gal took : 67 ms
[2026-05-23 23:50:27] [INFO ] Applying decomposition
[2026-05-23 23:50:27] [INFO ] Flatten gal took : 69 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/graph11045698857167460727.txt' '-o' '/tmp/graph11045698857167460727.bin' '-w' '/tmp/graph11045698857167460727.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11045698857167460727.bin' '-l' '-1' '-v' '-w' '/tmp/graph11045698857167460727.weights' '-q' '0' '-e' '0.001'
[2026-05-23 23:50:27] [INFO ] Decomposing Gal with order
[2026-05-23 23:50:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 23:50:27] [INFO ] Removed a total of 4359 redundant transitions.
[2026-05-23 23:50:28] [INFO ] Flatten gal took : 244 ms
[2026-05-23 23:50:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 535 labels/synchronizations in 93 ms.
[2026-05-23 23:50:28] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability9839683098294295849.gal : 16 ms
[2026-05-23 23:50:28] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability10957242191148901634.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability9839683098294295849.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability10957242191148901634.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 ...308
Loading property file /tmp/ReachabilityFireability10957242191148901634.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 132
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :132 after 291
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :291 after 2754
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :2754 after 5553
Detected timeout of ITS tools.
[2026-05-23 23:50:31] [INFO ] Flatten gal took : 65 ms
[2026-05-23 23:50:31] [INFO ] Flatten gal took : 69 ms
[2026-05-23 23:50:31] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability7296227774542184479.gal : 10 ms
[2026-05-23 23:50:31] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability1351392465386028675.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability7296227774542184479.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability1351392465386028675.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 ...328
Loading property file /tmp/ReachabilityFireability1351392465386028675.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :8 after 22
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :28 after 52
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :52 after 85
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :85 after 272
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :272 after 520
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :520 after 1213
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :1213 after 4254
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :4254 after 12338
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :12338 after 44037
Detected timeout of ITS tools.
[2026-05-23 23:51:01] [INFO ] Flatten gal took : 69 ms
[2026-05-23 23:51:01] [INFO ] Applying decomposition
[2026-05-23 23:51:01] [INFO ] Flatten gal took : 69 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/graph14109436758409008719.txt' '-o' '/tmp/graph14109436758409008719.bin' '-w' '/tmp/graph14109436758409008719.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14109436758409008719.bin' '-l' '-1' '-v' '-w' '/tmp/graph14109436758409008719.weights' '-q' '0' '-e' '0.001'
[2026-05-23 23:51:01] [INFO ] Decomposing Gal with order
[2026-05-23 23:51:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 23:51:01] [INFO ] Removed a total of 4223 redundant transitions.
[2026-05-23 23:51:02] [INFO ] Flatten gal took : 210 ms
[2026-05-23 23:51:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 611 labels/synchronizations in 100 ms.
[2026-05-23 23:51:02] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability10867462977284714064.gal : 16 ms
[2026-05-23 23:51:02] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability54737544249737488.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability10867462977284714064.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability54737544249737488.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 ...306
Loading property file /tmp/ReachabilityFireability54737544249737488.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 6611
Invariant property smplace_649 does not hold.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :6611 after 36362
Invariant property smplace_667 does not hold.
Invariant property smplace_658 does not hold.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :36362 after 71842
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :71842 after 95368
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :95368 after 117281
Detected timeout of ITS tools.
[2026-05-23 23:51:32] [INFO ] Flatten gal took : 63 ms
[2026-05-23 23:51:32] [INFO ] Flatten gal took : 66 ms
[2026-05-23 23:51:32] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability8106847509687067815.gal : 9 ms
[2026-05-23 23:51:32] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability8271480436300860623.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability8106847509687067815.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability8271480436300860623.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 ...328
Loading property file /tmp/ReachabilityFireability8271480436300860623.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :8 after 22
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :28 after 52
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :52 after 85
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :85 after 272
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :272 after 520
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :520 after 1213
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1213 after 4254
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :4254 after 12338
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :12338 after 44037
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :44037 after 79427
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :79427 after 126922
SDD proceeding with computation,3 properties remain. new max is 131072
SDD size :126922 after 472546
SDD proceeding with computation,3 properties remain. new max is 262144
SDD size :472546 after 967371
Detected timeout of ITS tools.
[2026-05-23 23:56:32] [INFO ] Flatten gal took : 62 ms
[2026-05-23 23:56:32] [INFO ] Applying decomposition
[2026-05-23 23:56:32] [INFO ] Flatten gal took : 64 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/graph7975632548940622338.txt' '-o' '/tmp/graph7975632548940622338.bin' '-w' '/tmp/graph7975632548940622338.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7975632548940622338.bin' '-l' '-1' '-v' '-w' '/tmp/graph7975632548940622338.weights' '-q' '0' '-e' '0.001'
[2026-05-23 23:56:32] [INFO ] Decomposing Gal with order
[2026-05-23 23:56:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 23:56:33] [INFO ] Removed a total of 4147 redundant transitions.
[2026-05-23 23:56:33] [INFO ] Flatten gal took : 204 ms
[2026-05-23 23:56:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 510 labels/synchronizations in 66 ms.
[2026-05-23 23:56:33] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability5027974557787368476.gal : 18 ms
[2026-05-23 23:56:33] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability8213804022415970683.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability5027974557787368476.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability8213804022415970683.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/ReachabilityFireability8213804022415970683.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 38
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :38 after 42
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :42 after 80
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :80 after 1258
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :1258 after 84039
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :84039 after 217755
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :217755 after 245671
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :245671 after 328159
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :328159 after 802455
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :802455 after 1.46523e+06
Detected timeout of ITS tools.
[2026-05-24 00:01:33] [INFO ] Flatten gal took : 60 ms
[2026-05-24 00:01:33] [INFO ] Flatten gal took : 62 ms
[2026-05-24 00:01:33] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability5489908558862655001.gal : 9 ms
[2026-05-24 00:01:33] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability16236823017099979861.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability5489908558862655001.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability16236823017099979861.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
Loading property file /tmp/ReachabilityFireability16236823017099979861.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :8 after 22
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :22 after 28
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :28 after 52
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :52 after 85
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :85 after 272
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :272 after 520
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :520 after 1213
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1213 after 4254
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :4254 after 12338
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :12338 after 44037
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :44037 after 79427
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :79427 after 126922
SDD proceeding with computation,3 properties remain. new max is 131072
SDD size :126922 after 472546

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.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="EisenbergMcGuire-PT-08"
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 EisenbergMcGuire-PT-08, 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 r128-smll-177955743900173"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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