About the Execution of 2025-gold for EisenbergMcGuire-PT-07
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 10405.056 | 1800000.00 | 2537403.00 | 3917.90 | [undef] | Time out reached |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r128-smll-177955743900168.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-07, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-177955743900168
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 6.4K Mar 7 05:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 7 05:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 05:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 7 05:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 09:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K 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 14K Mar 7 05:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Mar 7 05:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Mar 7 05:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 7 05:23 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 1.2M Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
FORMULA_NAME StableMarking
=== Now, execution of the tool begins
BK_START 1779576368284
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EisenbergMcGuire-PT-07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-23 22:46:10] [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 22:46:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 22:46:11] [INFO ] Load time of PNML (sax parser for PT used): 357 ms
[2026-05-23 22:46:11] [INFO ] Transformed 553 places.
[2026-05-23 22:46:11] [INFO ] Transformed 1960 transitions.
[2026-05-23 22:46:11] [INFO ] Found NUPN structural information;
[2026-05-23 22:46:11] [INFO ] Parsed PT model containing 553 places and 1960 transitions and 9212 arcs in 565 ms.
RANDOM walk for 40000 steps (8 resets) in 2723 ms. (14 steps per ms) remains 166/553 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 166/166 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 166/166 properties
[2026-05-23 22:46:12] [INFO ] Flow matrix only has 1001 transitions (discarded 959 similar events)
// Phase 1: matrix 1001 rows 553 cols
[2026-05-23 22:46:12] [INFO ] Computed 22 invariants in 39 ms
[2026-05-23 22:46:12] [INFO ] Flatten gal took : 373 ms
[2026-05-23 22:46:12] [INFO ] State equation strengthened by 472 read => feed constraints.
[2026-05-23 22:46:12] [INFO ] Flatten gal took : 181 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 22:46:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10241353411330658090.gal : 108 ms
[2026-05-23 22:46:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14463360408188233244.prop : 3 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/ReachabilityCardinality10241353411330658090.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14463360408188233244.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 ...330
Loading property file /tmp/ReachabilityCardinality14463360408188233244.prop.
SDD proceeding with computation,166 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,166 properties remain. new max is 8
SDD size :5 after 8
SDD proceeding with computation,166 properties remain. new max is 16
SDD size :8 after 11
SDD proceeding with computation,166 properties remain. new max is 32
SDD size :11 after 13
SDD proceeding with computation,166 properties remain. new max is 64
SDD size :13 after 19
SDD proceeding with computation,166 properties remain. new max is 128
SDD size :19 after 21
SDD proceeding with computation,166 properties remain. new max is 256
SDD size :21 after 90
SDD proceeding with computation,166 properties remain. new max is 512
SDD size :90 after 198
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 166/166 constraints. Problems are: Problem set: 0 solved, 166 unsolved
Invariant property smplace_399 does not hold.
Invariant property smplace_380 does not hold.
SDD proceeding with computation,164 properties remain. new max is 512
SDD size :198 after 866
SDD proceeding with computation,164 properties remain. new max is 1024
SDD size :866 after 1486
Invariant property smplace_401 does not hold.
SDD proceeding with computation,163 properties remain. new max is 1024
SDD size :1486 after 2543
At refinement iteration 1 (INCLUDED_ONLY) 0/166 variables, 0/166 constraints. Problems are: Problem set: 3 solved, 163 unsolved
SDD proceeding with computation,163 properties remain. new max is 2048
SDD size :2543 after 4941
At refinement iteration 2 (OVERLAPS) 366/532 variables, 14/180 constraints. Problems are: Problem set: 3 solved, 163 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/532 variables, 366/546 constraints. Problems are: Problem set: 3 solved, 163 unsolved
Invariant property smplace_394 does not hold.
Invariant property smplace_392 does not hold.
Invariant property smplace_379 does not hold.
SDD proceeding with computation,160 properties remain. new max is 2048
SDD size :4941 after 7309
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 532/1554 variables, and 546 constraints, problems are : Problem set: 6 solved, 160 unsolved in 5224 ms.
Refiners :[Domain max(s): 532/553 constraints, Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 0/7 constraints, State Equation: 0/553 constraints, ReadFeed: 0/472 constraints, PredecessorRefiner: 166/166 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 160 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/160 variables, 160/160 constraints. Problems are: Problem set: 6 solved, 160 unsolved
SDD proceeding with computation,160 properties remain. new max is 4096
SDD size :7309 after 31643
At refinement iteration 1 (INCLUDED_ONLY) 0/160 variables, 0/160 constraints. Problems are: Problem set: 6 solved, 160 unsolved
At refinement iteration 2 (OVERLAPS) 372/532 variables, 14/174 constraints. Problems are: Problem set: 6 solved, 160 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/532 variables, 372/546 constraints. Problems are: Problem set: 6 solved, 160 unsolved
Invariant property smplace_400 does not hold.
Invariant property smplace_393 does not hold.
Invariant property smplace_386 does not hold.
SDD proceeding with computation,157 properties remain. new max is 4096
SDD size :31643 after 51554
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 532/1554 variables, and 546 constraints, problems are : Problem set: 9 solved, 157 unsolved in 5027 ms.
Refiners :[Domain max(s): 532/553 constraints, Positive P Invariants (semi-flows): 14/15 constraints, Generalized P Invariants (flows): 0/7 constraints, State Equation: 0/553 constraints, ReadFeed: 0/472 constraints, PredecessorRefiner: 0/166 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10523ms problems are : Problem set: 9 solved, 157 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 157 out of 553 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 553/553 places, 1960/1960 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 553 transition count 1953
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 546 transition count 1953
Performed 112 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 112 Pre rules applied. Total rules applied 14 place count 546 transition count 1841
Deduced a syphon composed of 112 places in 7 ms
Reduce places removed 112 places and 0 transitions.
Iterating global reduction 2 with 224 rules applied. Total rules applied 238 place count 434 transition count 1841
Discarding 42 places :
Symmetric choice reduction at 2 with 42 rule applications. Total rules 280 place count 392 transition count 1547
Iterating global reduction 2 with 42 rules applied. Total rules applied 322 place count 392 transition count 1547
Performed 42 Post agglomeration using F-continuation condition.Transition count delta: 42
Deduced a syphon composed of 42 places in 4 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 2 with 84 rules applied. Total rules applied 406 place count 350 transition count 1505
Applied a total of 406 rules in 386 ms. Remains 350 /553 variables (removed 203) and now considering 1505/1960 (removed 455) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 405 ms. Remains : 350/553 places, 1505/1960 transitions.
SDD proceeding with computation,157 properties remain. new max is 8192
SDD size :51554 after 89358
Invariant property smplace_387 does not hold.
SDD proceeding with computation,156 properties remain. new max is 8192
SDD size :89358 after 125782
SDD proceeding with computation,156 properties remain. new max is 16384
SDD size :125782 after 151223
RANDOM walk for 4000000 steps (8 resets) in 98673 ms. (40 steps per ms) remains 153/157 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 170 ms. (233 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 209 ms. (190 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 186 ms. (213 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 193 ms. (206 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 152 ms. (261 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 153/153 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 153/153 properties
SDD proceeding with computation,156 properties remain. new max is 32768
SDD size :151223 after 700021
SDD proceeding with computation,156 properties remain. new max is 65536
SDD size :700021 after 1.2983e+06
SDD proceeding with computation,156 properties remain. new max is 131072
SDD size :1.2983e+06 after 2.74268e+06
Interrupted probabilistic random walk after 9262088 steps, run timeout after 84001 ms. (steps per millisecond=110 ) properties seen :150 out of 153
Probabilistic random walk after 9262088 steps, saw 1917936 distinct states, run finished after 84014 ms. (steps per millisecond=110 ) properties seen :150
[2026-05-23 22:48:15] [INFO ] Flow matrix only has 546 transitions (discarded 959 similar events)
// Phase 1: matrix 546 rows 350 cols
[2026-05-23 22:48:15] [INFO ] Computed 22 invariants in 7 ms
[2026-05-23 22:48:15] [INFO ] State equation strengthened by 220 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 138/141 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/147 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 234/381 variables, 147/156 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/381 variables, 24/180 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/381 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 55/436 variables, 7/187 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/436 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/436 variables, 25/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/436 variables, 0/213 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 80/516 variables, 36/249 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/516 variables, 24/273 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/516 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 152/668 variables, 8/281 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/668 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 8/676 variables, 4/285 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/676 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 220/896 variables, 160/445 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/896 variables, 147/592 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/896 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 0/896 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 896/896 variables, and 592 constraints, problems are : Problem set: 0 solved, 3 unsolved in 756 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 350/350 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 138/141 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/147 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:17] [INFO ] Deduced a trap composed of 3 places in 162 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:17] [INFO ] Deduced a trap composed of 11 places in 152 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:17] [INFO ] Deduced a trap composed of 3 places in 128 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:17] [INFO ] Deduced a trap composed of 13 places in 103 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:17] [INFO ] Deduced a trap composed of 15 places in 90 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:17] [INFO ] Deduced a trap composed of 3 places in 66 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/147 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 234/381 variables, 147/162 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/381 variables, 24/186 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/381 variables, 0/186 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 55/436 variables, 7/193 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/436 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/436 variables, 25/219 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/436 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/436 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 80/516 variables, 36/257 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/516 variables, 24/281 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/516 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 152/668 variables, 8/289 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/668 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 8/676 variables, 4/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/676 variables, 1/294 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/676 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 220/896 variables, 160/454 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/896 variables, 147/601 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/896 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 0/896 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 896/896 variables, and 601 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2376 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 350/350 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3172ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 889 ms.
Support contains 3 out of 350 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 350/350 places, 1505/1505 transitions.
Performed 42 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 42 Pre rules applied. Total rules applied 0 place count 350 transition count 1463
Deduced a syphon composed of 42 places in 2 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 0 with 84 rules applied. Total rules applied 84 place count 308 transition count 1463
Applied a total of 84 rules in 81 ms. Remains 308 /350 variables (removed 42) and now considering 1463/1505 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81 ms. Remains : 308/350 places, 1463/1505 transitions.
RANDOM walk for 4000000 steps (8 resets) in 15611 ms. (256 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3339 ms. (1197 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3396 ms. (1177 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3035 ms. (1317 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 2289536 steps, run timeout after 21001 ms. (steps per millisecond=109 ) properties seen :0 out of 3
Probabilistic random walk after 2289536 steps, saw 584508 distinct states, run finished after 21001 ms. (steps per millisecond=109 ) properties seen :0
[2026-05-23 22:48:48] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
// Phase 1: matrix 504 rows 308 cols
[2026-05-23 22:48:48] [INFO ] Computed 22 invariants in 4 ms
[2026-05-23 22:48:48] [INFO ] State equation strengthened by 220 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 120/123 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/129 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 216/345 variables, 129/138 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/345 variables, 24/162 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/345 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 55/400 variables, 7/169 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/400 variables, 1/170 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/400 variables, 25/195 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/400 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 80/480 variables, 36/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/480 variables, 24/255 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/480 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 128/608 variables, 8/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/608 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 8/616 variables, 4/267 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/616 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 196/812 variables, 136/403 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/812 variables, 147/550 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 812/812 variables, and 550 constraints, problems are : Problem set: 0 solved, 3 unsolved in 625 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 120/123 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/129 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:49] [INFO ] Deduced a trap composed of 3 places in 116 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:49] [INFO ] Deduced a trap composed of 11 places in 128 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:49] [INFO ] Deduced a trap composed of 3 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 22:48:49] [INFO ] Deduced a trap composed of 13 places in 96 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:49] [INFO ] Deduced a trap composed of 3 places in 105 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:49] [INFO ] Deduced a trap composed of 15 places in 93 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 6/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/129 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 216/345 variables, 129/144 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/345 variables, 24/168 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/345 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 55/400 variables, 7/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/400 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/400 variables, 25/201 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/400 variables, 2/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/400 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 80/480 variables, 36/239 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/480 variables, 24/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/480 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 128/608 variables, 8/271 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/608 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 8/616 variables, 4/275 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/616 variables, 1/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:50] [INFO ] Deduced a trap composed of 21 places in 305 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:51] [INFO ] Deduced a trap composed of 59 places in 312 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:51] [INFO ] Deduced a trap composed of 23 places in 302 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:51] [INFO ] Deduced a trap composed of 61 places in 298 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:52] [INFO ] Deduced a trap composed of 25 places in 364 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:52] [INFO ] Deduced a trap composed of 40 places in 287 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:52] [INFO ] Deduced a trap composed of 40 places in 275 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:53] [INFO ] Deduced a trap composed of 40 places in 282 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:48:53] [INFO ] Deduced a trap composed of 40 places in 218 ms of which 26 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/616 variables, 9/285 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/616 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (OVERLAPS) 196/812 variables, 136/421 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/812 variables, 147/568 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/812 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 0/812 variables, 0/568 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 812/812 variables, and 568 constraints, problems are : Problem set: 0 solved, 3 unsolved in 4911 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5567ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 488 ms.
Support contains 3 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 58 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 308/308 places, 1463/1463 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 52 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
[2026-05-23 22:48:54] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:48:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:48:55] [INFO ] Implicit Places using invariants in 607 ms returned []
[2026-05-23 22:48:55] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:48:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:48:55] [INFO ] State equation strengthened by 220 read => feed constraints.
[2026-05-23 22:48:57] [INFO ] Implicit Places using invariants and state equation in 1889 ms returned []
Implicit Place search using SMT with State Equation took 2517 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:48:57] [INFO ] Redundant transitions in 99 ms returned []
Running 1456 sub problems to find dead transitions.
[2026-05-23 22:48:57] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:48:57] [INFO ] Invariant cache hit.
[2026-05-23 22:48:57] [INFO ] State equation strengthened by 220 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Invariant property smplace_409 does not hold.
Invariant property smplace_408 does not hold.
Invariant property smplace_407 does not hold.
Invariant property smplace_406 does not hold.
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
SDD proceeding with computation,152 properties remain. new max is 131072
SDD size :2.74268e+06 after 5.38831e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:11] [INFO ] Deduced a trap composed of 15 places in 296 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:11] [INFO ] Deduced a trap composed of 17 places in 289 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:12] [INFO ] Deduced a trap composed of 23 places in 267 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:12] [INFO ] Deduced a trap composed of 25 places in 273 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:12] [INFO ] Deduced a trap composed of 27 places in 260 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:12] [INFO ] Deduced a trap composed of 51 places in 260 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:13] [INFO ] Deduced a trap composed of 19 places in 260 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:13] [INFO ] Deduced a trap composed of 51 places in 199 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:13] [INFO ] Deduced a trap composed of 19 places in 254 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:14] [INFO ] Deduced a trap composed of 21 places in 234 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:14] [INFO ] Deduced a trap composed of 23 places in 203 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:14] [INFO ] Deduced a trap composed of 51 places in 221 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:14] [INFO ] Deduced a trap composed of 11 places in 235 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:14] [INFO ] Deduced a trap composed of 51 places in 214 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:15] [INFO ] Deduced a trap composed of 53 places in 159 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:15] [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 22:49:16] [INFO ] Deduced a trap composed of 37 places in 187 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:16] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:16] [INFO ] Deduced a trap composed of 37 places in 191 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:16] [INFO ] Deduced a trap composed of 37 places in 192 ms of which 16 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 20/42 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:17] [INFO ] Deduced a trap composed of 27 places in 199 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:17] [INFO ] Deduced a trap composed of 31 places in 195 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:18] [INFO ] Deduced a trap composed of 51 places in 189 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:18] [INFO ] Deduced a trap composed of 51 places in 155 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:19] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:19] [INFO ] Deduced a trap composed of 37 places in 266 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:19] [INFO ] Deduced a trap composed of 37 places in 215 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:19] [INFO ] Deduced a trap composed of 53 places in 186 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:20] [INFO ] Deduced a trap composed of 59 places in 201 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:20] [INFO ] Deduced a trap composed of 37 places in 209 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:20] [INFO ] Deduced a trap composed of 37 places in 191 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:21] [INFO ] Deduced a trap composed of 37 places in 222 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:21] [INFO ] Deduced a trap composed of 21 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:22] [INFO ] Deduced a trap composed of 53 places in 176 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:24] [INFO ] Deduced a trap composed of 13 places in 234 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:25] [INFO ] Deduced a trap composed of 25 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:25] [INFO ] Deduced a trap composed of 15 places in 149 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:26] [INFO ] Deduced a trap composed of 40 places in 224 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:26] [INFO ] Deduced a trap composed of 47 places in 236 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:27] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 308/812 variables, and 62 constraints, problems are : Problem set: 0 solved, 1456 unsolved in 30067 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/308 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 1456/1456 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 40/62 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:30] [INFO ] Deduced a trap composed of 29 places in 202 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:38] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:39] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:41] [INFO ] Deduced a trap composed of 17 places in 273 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:41] [INFO ] Deduced a trap composed of 19 places in 243 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:41] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:41] [INFO ] Deduced a trap composed of 21 places in 115 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:42] [INFO ] Deduced a trap composed of 23 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:43] [INFO ] Deduced a trap composed of 53 places in 258 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:43] [INFO ] Deduced a trap composed of 48 places in 292 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:43] [INFO ] Deduced a trap composed of 51 places in 255 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:44] [INFO ] Deduced a trap composed of 51 places in 283 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:44] [INFO ] Deduced a trap composed of 51 places in 244 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:44] [INFO ] Deduced a trap composed of 51 places in 280 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:45] [INFO ] Deduced a trap composed of 51 places in 256 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:45] [INFO ] Deduced a trap composed of 51 places in 260 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:46] [INFO ] Deduced a trap composed of 48 places in 263 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:46] [INFO ] Deduced a trap composed of 49 places in 266 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:46] [INFO ] Deduced a trap composed of 58 places in 283 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:49:47] [INFO ] Deduced a trap composed of 59 places in 239 ms of which 25 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 20/82 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 308/812 variables, and 82 constraints, problems are : Problem set: 0 solved, 1456 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/308 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 0/1456 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60770ms problems are : Problem set: 0 solved, 1456 unsolved
Search for dead transitions found 0 dead transitions in 60792ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63483 ms. Remains : 308/308 places, 1463/1463 transitions.
RANDOM walk for 400000 steps (8 resets) in 3236 ms. (123 steps per ms) remains 3/3 properties
Running SMT prover for 3 properties.
[2026-05-23 22:49:59] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:49:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:49:59] [INFO ] [Real]Absence check using 15 positive place invariants in 18 ms returned sat
[2026-05-23 22:49:59] [INFO ] [Real]Absence check using 15 positive and 7 generalized place invariants in 17 ms returned sat
[2026-05-23 22:49:59] [INFO ] After 266ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3
[2026-05-23 22:49:59] [INFO ] State equation strengthened by 220 read => feed constraints.
[2026-05-23 22:49:59] [INFO ] After 90ms SMT Verify possible using 220 Read/Feed constraints in real domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-23 22:49:59] [INFO ] After 262ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-23 22:49:59] [INFO ] After 687ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:49:59] [INFO ] [Nat]Absence check using 15 positive place invariants in 11 ms returned sat
[2026-05-23 22:49:59] [INFO ] [Nat]Absence check using 15 positive and 7 generalized place invariants in 5 ms returned sat
[2026-05-23 22:50:00] [INFO ] After 199ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2026-05-23 22:50:00] [INFO ] After 66ms SMT Verify possible using 220 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:00] [INFO ] Deduced a trap composed of 3 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 22:50:00] [INFO ] Deduced a trap composed of 11 places in 149 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:00] [INFO ] Deduced a trap composed of 3 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 22:50:00] [INFO ] Deduced a trap composed of 15 places in 101 ms of which 8 ms to minimize.
[2026-05-23 22:50:00] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 672 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:01] [INFO ] Deduced a trap composed of 13 places in 106 ms of which 7 ms to minimize.
[2026-05-23 22:50:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 151 ms
TRAPS : Iteration 2
[2026-05-23 22:50:01] [INFO ] After 1256ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-23 22:50:01] [INFO ] After 1580ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
RANDOM walk for 4000000 steps (8 resets) in 14301 ms. (279 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3128 ms. (1278 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3238 ms. (1234 steps per ms) remains 3/3 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3420 ms. (1169 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 2329264 steps, run timeout after 21001 ms. (steps per millisecond=110 ) properties seen :0 out of 3
Probabilistic random walk after 2329264 steps, saw 590613 distinct states, run finished after 21001 ms. (steps per millisecond=110 ) properties seen :0
[2026-05-23 22:50:29] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:50:29] [INFO ] Invariant cache hit.
[2026-05-23 22:50:29] [INFO ] State equation strengthened by 220 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) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 120/123 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/129 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 216/345 variables, 129/138 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/345 variables, 24/162 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/345 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 55/400 variables, 7/169 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/400 variables, 1/170 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/400 variables, 25/195 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/400 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 80/480 variables, 36/231 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/480 variables, 24/255 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/480 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 128/608 variables, 8/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/608 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (OVERLAPS) 8/616 variables, 4/267 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/616 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (OVERLAPS) 196/812 variables, 136/403 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/812 variables, 147/550 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (OVERLAPS) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 812/812 variables, and 550 constraints, problems are : Problem set: 0 solved, 3 unsolved in 775 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 120/123 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/123 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/129 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:30] [INFO ] Deduced a trap composed of 3 places in 114 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:30] [INFO ] Deduced a trap composed of 11 places in 128 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:30] [INFO ] Deduced a trap composed of 3 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 22:50:30] [INFO ] Deduced a trap composed of 13 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:30] [INFO ] Deduced a trap composed of 15 places in 80 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:30] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/129 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/129 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 216/345 variables, 129/144 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/345 variables, 24/168 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/345 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 55/400 variables, 7/175 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/400 variables, 1/176 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/400 variables, 25/201 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/400 variables, 2/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/400 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 80/480 variables, 36/239 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/480 variables, 24/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/480 variables, 0/263 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 128/608 variables, 8/271 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/608 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 8/616 variables, 4/275 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/616 variables, 1/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/616 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 23 (OVERLAPS) 196/812 variables, 136/412 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/812 variables, 147/559 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/812 variables, 0/559 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 26 (OVERLAPS) 0/812 variables, 0/559 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 812/812 variables, and 559 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1894 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2684ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 520 ms.
Support contains 3 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 50 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 308/308 places, 1463/1463 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 51 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
[2026-05-23 22:50:32] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:50:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:50:33] [INFO ] Implicit Places using invariants in 547 ms returned []
[2026-05-23 22:50:33] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:50:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:50:33] [INFO ] State equation strengthened by 220 read => feed constraints.
[2026-05-23 22:50:35] [INFO ] Implicit Places using invariants and state equation in 1876 ms returned []
Implicit Place search using SMT with State Equation took 2425 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:50:35] [INFO ] Redundant transitions in 30 ms returned []
Running 1456 sub problems to find dead transitions.
[2026-05-23 22:50:35] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:50:35] [INFO ] Invariant cache hit.
[2026-05-23 22:50:35] [INFO ] State equation strengthened by 220 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:47] [INFO ] Deduced a trap composed of 15 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 22:50:48] [INFO ] Deduced a trap composed of 17 places in 308 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:48] [INFO ] Deduced a trap composed of 23 places in 325 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:48] [INFO ] Deduced a trap composed of 25 places in 249 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:48] [INFO ] Deduced a trap composed of 27 places in 283 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,152 properties remain. new max is 262144
[2026-05-23 22:50:49] [INFO ] Deduced a trap composed of 51 places in 278 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:49] [INFO ] Deduced a trap composed of 19 places in 247 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :5.38831e+06 after 1.73382e+07
[2026-05-23 22:50:49] [INFO ] Deduced a trap composed of 51 places in 245 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:50] [INFO ] Deduced a trap composed of 19 places in 258 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:50] [INFO ] Deduced a trap composed of 21 places in 211 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:50] [INFO ] Deduced a trap composed of 23 places in 235 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:50] [INFO ] Deduced a trap composed of 51 places in 236 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:51] [INFO ] Deduced a trap composed of 11 places in 236 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:51] [INFO ] Deduced a trap composed of 51 places in 208 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:51] [INFO ] Deduced a trap composed of 53 places in 177 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:52] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:52] [INFO ] Deduced a trap composed of 37 places in 194 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:52] [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 22:50:52] [INFO ] Deduced a trap composed of 37 places in 221 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:53] [INFO ] Deduced a trap composed of 37 places in 188 ms of which 16 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 20/42 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:53] [INFO ] Deduced a trap composed of 27 places in 230 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:54] [INFO ] Deduced a trap composed of 31 places in 197 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:54] [INFO ] Deduced a trap composed of 51 places in 211 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:54] [INFO ] Deduced a trap composed of 51 places in 169 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:55] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:55] [INFO ] Deduced a trap composed of 37 places in 215 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:55] [INFO ] Deduced a trap composed of 37 places in 227 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:56] [INFO ] Deduced a trap composed of 53 places in 200 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:56] [INFO ] Deduced a trap composed of 59 places in 222 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:56] [INFO ] Deduced a trap composed of 37 places in 228 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:57] [INFO ] Deduced a trap composed of 37 places in 183 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:58] [INFO ] Deduced a trap composed of 37 places in 232 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:58] [INFO ] Deduced a trap composed of 21 places in 83 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:50:58] [INFO ] Deduced a trap composed of 53 places in 186 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:00] [INFO ] Deduced a trap composed of 13 places in 236 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:01] [INFO ] Deduced a trap composed of 25 places in 99 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:02] [INFO ] Deduced a trap composed of 15 places in 166 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:02] [INFO ] Deduced a trap composed of 40 places in 224 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:02] [INFO ] Deduced a trap composed of 47 places in 269 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:04] [INFO ] Deduced a trap composed of 3 places in 80 ms of which 3 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 1.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 1.0)
(s10 0.0)
(s11 0.0)
(s12 1.0)
(s13 0.0)
(s14 0.0)
(s15 1.0)
(s16 0.0)
(s17 1.0)
(s18 0.0)
(s19 0.0)
(s20 0.0)
(s21 1.0)
(s22 0.0)
(s23 0.0)
(s24 1.0)
(s25 0.0)
(s26 0.0)
(s27 1.0)
(s28 0.0)
(s29 1.0)
(s30 1.0)
(s31 0.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 0.0)
(s36 0.0)
(s37 0.0)
(s38 0.0)
(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 0.0)
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
(s54 0.0)
(s55 0.0)
(s56 0.0)
(s57 0.0)
(s58 0.0)
(s59 0.0)
(s60 0.0)
(s61 0.0)
(s62 0.0)
(s63 0.0)
(s64 0.0)
(s65 0.0)
(s66 1.0)
(s67 0.0)
(s68 0.0)
(s69 0.0)
(s70 0.0)
(s71 0.0)
(s72 0.0)
(s73 0.0)
(s74 0.0)
(s75 0.0)
(s76 0.0)
(s77 0.0)
(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
(s82 0.0)
(s83 0.0)
(s84 0.0)
(s85 0.0)
(s86 0.0)
(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
(s91 0.0)
(s92 0.0)
(s93 0.0)
(s94 0.0)
(s95 0.0)
(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 0.0)
(s103 0.0)
(s104 0.0)
(s105 0.0)
(s106 0.0)
(s107 0.0)
(s108 0.0)
(s109 0.0)
(s110 0.0)
(s111 0.0)
(s112 0.0)
(s113 0.0)
(s114 0.0)
(s115 0.0)
(s116 0.0)
(s117 0.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 0.0)
(s122 0.0)
(s123 0.0)
(s124 0.0)
(s125 0.0)
(s126 0.0)
(s127 0.0)
(s128 0.0)
(s129 0.0)
(s130 0.0)
(s131 0.0)
(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)
(s136 0.0)
(s137 0.0)
(s138 0.0)
(s139 0.0)
(s140 0.0)
(s141 0.0)
(s142 0.0)
(s143 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 308/812 variables, and 62 constraints, problems are : Problem set: 0 solved, 1456 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/308 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 1456/1456 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 40/62 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:08] [INFO ] Deduced a trap composed of 29 places in 210 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:16] [INFO ] Deduced a trap composed of 3 places in 74 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:18] [INFO ] Deduced a trap composed of 3 places in 70 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:20] [INFO ] Deduced a trap composed of 17 places in 357 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:20] [INFO ] Deduced a trap composed of 19 places in 309 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:20] [INFO ] Deduced a trap composed of 3 places in 72 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:21] [INFO ] Deduced a trap composed of 21 places in 141 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:21] [INFO ] Deduced a trap composed of 23 places in 98 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:22] [INFO ] Deduced a trap composed of 53 places in 286 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:22] [INFO ] Deduced a trap composed of 48 places in 295 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:23] [INFO ] Deduced a trap composed of 51 places in 271 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:23] [INFO ] Deduced a trap composed of 51 places in 306 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:23] [INFO ] Deduced a trap composed of 51 places in 278 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:24] [INFO ] Deduced a trap composed of 51 places in 288 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:24] [INFO ] Deduced a trap composed of 51 places in 286 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:25] [INFO ] Deduced a trap composed of 51 places in 304 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:25] [INFO ] Deduced a trap composed of 48 places in 266 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:25] [INFO ] Deduced a trap composed of 49 places in 264 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:26] [INFO ] Deduced a trap composed of 58 places in 274 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:26] [INFO ] Deduced a trap composed of 59 places in 242 ms of which 26 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 20/82 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
(s1 0)
(s2 0)
(s3 0)
(s4 0)
(s5 0)
(s6 0)
(s7 1)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 1)
(s13 0)
(s14 0)
(s15 1)
(s16 0)
(s17 0)
(s18 1)
(s19 0)
(s20 0)
(s21 1)
(s22 0)
(s23 0)
(s24 1)
(s25 0)
(s26 0)
(s27 1)
(s28 1)
(s29 0)
(s30 0)
(s31 0)
(s32 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 308/812 variables, and 82 constraints, problems are : Problem set: 0 solved, 1456 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/308 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 0/1456 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60513ms problems are : Problem set: 0 solved, 1456 unsolved
Search for dead transitions found 0 dead transitions in 60522ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63037 ms. Remains : 308/308 places, 1463/1463 transitions.
RANDOM walk for 400000 steps (8 resets) in 1730 ms. (231 steps per ms) remains 3/3 properties
Running SMT prover for 3 properties.
[2026-05-23 22:51:36] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:51:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:51:36] [INFO ] [Real]Absence check using 15 positive place invariants in 10 ms returned sat
[2026-05-23 22:51:36] [INFO ] [Real]Absence check using 15 positive and 7 generalized place invariants in 5 ms returned sat
[2026-05-23 22:51:36] [INFO ] After 195ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3
[2026-05-23 22:51:36] [INFO ] State equation strengthened by 220 read => feed constraints.
[2026-05-23 22:51:36] [INFO ] After 65ms SMT Verify possible using 220 Read/Feed constraints in real domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-23 22:51:36] [INFO ] After 197ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:3
[2026-05-23 22:51:36] [INFO ] After 484ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:51:36] [INFO ] [Nat]Absence check using 15 positive place invariants in 10 ms returned sat
[2026-05-23 22:51:36] [INFO ] [Nat]Absence check using 15 positive and 7 generalized place invariants in 5 ms returned sat
[2026-05-23 22:51:36] [INFO ] After 203ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2026-05-23 22:51:37] [INFO ] After 65ms SMT Verify possible using 220 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:37] [INFO ] Deduced a trap composed of 3 places in 105 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:37] [INFO ] Deduced a trap composed of 11 places in 128 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:37] [INFO ] Deduced a trap composed of 3 places in 125 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:37] [INFO ] Deduced a trap composed of 15 places in 92 ms of which 6 ms to minimize.
[2026-05-23 22:51:37] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 570 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:51:37] [INFO ] Deduced a trap composed of 13 places in 89 ms of which 7 ms to minimize.
[2026-05-23 22:51:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 132 ms
TRAPS : Iteration 2
[2026-05-23 22:51:38] [INFO ] After 1121ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-23 22:51:38] [INFO ] After 1458ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
RANDOM walk for 40000 steps (8 resets) in 131 ms. (303 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 484144 steps, run timeout after 3001 ms. (steps per millisecond=161 ) properties seen :0 out of 1
Probabilistic random walk after 484144 steps, saw 192002 distinct states, run finished after 3001 ms. (steps per millisecond=161 ) properties seen :0
[2026-05-23 22:51:41] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:51:41] [INFO ] Invariant cache hit.
[2026-05-23 22:51:41] [INFO ] State equation strengthened by 220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 24/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 294/812 variables, 204/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/812 variables, 187/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 812/812 variables, and 550 constraints, problems are : Problem set: 0 solved, 1 unsolved in 402 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 24/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 1/160 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 22:51:41] [INFO ] Deduced a trap composed of 21 places in 91 ms of which 5 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/518 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/518 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 294/812 variables, 204/365 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/812 variables, 187/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/812 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/812 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 812/812 variables, and 552 constraints, problems are : Problem set: 0 solved, 1 unsolved in 648 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1077ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 48 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 308/308 places, 1463/1463 transitions.
RANDOM walk for 40000 steps (8 resets) in 206 ms. (193 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 485240 steps, run timeout after 3001 ms. (steps per millisecond=161 ) properties seen :0 out of 1
Probabilistic random walk after 485240 steps, saw 192085 distinct states, run finished after 3004 ms. (steps per millisecond=161 ) properties seen :0
[2026-05-23 22:51:45] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:51:45] [INFO ] Invariant cache hit.
[2026-05-23 22:51:45] [INFO ] State equation strengthened by 220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 24/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 294/812 variables, 204/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/812 variables, 187/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 812/812 variables, and 550 constraints, problems are : Problem set: 0 solved, 1 unsolved in 526 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 7/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 24/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 1/160 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 22:51:46] [INFO ] Deduced a trap composed of 21 places in 73 ms of which 4 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/518 variables, 1/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/518 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 294/812 variables, 204/365 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/812 variables, 187/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/812 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/812 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 812/812 variables, and 552 constraints, problems are : Problem set: 0 solved, 1 unsolved in 636 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1181ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 46 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 308/308 places, 1463/1463 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 47 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
[2026-05-23 22:51:46] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:51:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:51:47] [INFO ] Implicit Places using invariants in 547 ms returned []
[2026-05-23 22:51:47] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:51:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:51:47] [INFO ] State equation strengthened by 220 read => feed constraints.
[2026-05-23 22:51:49] [INFO ] Implicit Places using invariants and state equation in 1906 ms returned []
Implicit Place search using SMT with State Equation took 2457 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:51:49] [INFO ] Redundant transitions in 171 ms returned []
Running 1456 sub problems to find dead transitions.
[2026-05-23 22:51:49] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:51:49] [INFO ] Invariant cache hit.
[2026-05-23 22:51:49] [INFO ] State equation strengthened by 220 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:02] [INFO ] Deduced a trap composed of 15 places in 297 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:02] [INFO ] Deduced a trap composed of 17 places in 290 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:03] [INFO ] Deduced a trap composed of 23 places in 288 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:03] [INFO ] Deduced a trap composed of 25 places in 291 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:03] [INFO ] Deduced a trap composed of 27 places in 278 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:04] [INFO ] Deduced a trap composed of 51 places in 274 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:04] [INFO ] Deduced a trap composed of 19 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 22:52:04] [INFO ] Deduced a trap composed of 51 places in 235 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:04] [INFO ] Deduced a trap composed of 19 places in 246 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:05] [INFO ] Deduced a trap composed of 21 places in 238 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:05] [INFO ] Deduced a trap composed of 23 places in 230 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:05] [INFO ] Deduced a trap composed of 51 places in 222 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:05] [INFO ] Deduced a trap composed of 11 places in 241 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:06] [INFO ] Deduced a trap composed of 51 places in 208 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:06] [INFO ] Deduced a trap composed of 53 places in 169 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:07] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:07] [INFO ] Deduced a trap composed of 37 places in 205 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:07] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:07] [INFO ] Deduced a trap composed of 37 places in 217 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:07] [INFO ] Deduced a trap composed of 37 places in 211 ms of which 15 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 20/42 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:09] [INFO ] Deduced a trap composed of 27 places in 229 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:09] [INFO ] Deduced a trap composed of 31 places in 222 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:09] [INFO ] Deduced a trap composed of 51 places in 213 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:09] [INFO ] Deduced a trap composed of 51 places in 172 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:10] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:10] [INFO ] Deduced a trap composed of 37 places in 222 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:11] [INFO ] Deduced a trap composed of 37 places in 226 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:11] [INFO ] Deduced a trap composed of 53 places in 186 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:11] [INFO ] Deduced a trap composed of 59 places in 196 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:12] [INFO ] Deduced a trap composed of 37 places in 220 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:12] [INFO ] Deduced a trap composed of 37 places in 185 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:13] [INFO ] Deduced a trap composed of 37 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 22:52:13] [INFO ] Deduced a trap composed of 21 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:13] [INFO ] Deduced a trap composed of 53 places in 180 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:15] [INFO ] Deduced a trap composed of 13 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 22:52:17] [INFO ] Deduced a trap composed of 25 places in 88 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:17] [INFO ] Deduced a trap composed of 15 places in 153 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:18] [INFO ] Deduced a trap composed of 40 places in 235 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:18] [INFO ] Deduced a trap composed of 47 places in 247 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:19] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 308/812 variables, and 62 constraints, problems are : Problem set: 0 solved, 1456 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/308 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 1456/1456 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 40/62 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:23] [INFO ] Deduced a trap composed of 29 places in 213 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:30] [INFO ] Deduced a trap composed of 3 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:32] [INFO ] Deduced a trap composed of 3 places in 63 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:34] [INFO ] Deduced a trap composed of 17 places in 295 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:34] [INFO ] Deduced a trap composed of 19 places in 265 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:35] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:35] [INFO ] Deduced a trap composed of 21 places in 124 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:35] [INFO ] Deduced a trap composed of 23 places in 86 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:36] [INFO ] Deduced a trap composed of 53 places in 274 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:36] [INFO ] Deduced a trap composed of 48 places in 310 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:37] [INFO ] Deduced a trap composed of 51 places in 263 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:37] [INFO ] Deduced a trap composed of 51 places in 291 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:37] [INFO ] Deduced a trap composed of 51 places in 294 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:38] [INFO ] Deduced a trap composed of 51 places in 289 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:38] [INFO ] Deduced a trap composed of 51 places in 292 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:39] [INFO ] Deduced a trap composed of 51 places in 307 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:39] [INFO ] Deduced a trap composed of 48 places in 281 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:40] [INFO ] Deduced a trap composed of 49 places in 277 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:40] [INFO ] Deduced a trap composed of 58 places in 297 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:40] [INFO ] Deduced a trap composed of 59 places in 314 ms of which 27 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 20/82 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 308/812 variables, and 82 constraints, problems are : Problem set: 0 solved, 1456 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/308 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 0/1456 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60533ms problems are : Problem set: 0 solved, 1456 unsolved
Search for dead transitions found 0 dead transitions in 60540ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63237 ms. Remains : 308/308 places, 1463/1463 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1349 edges and 308 vertex of which 49 / 308 are part of one of the 7 SCC in 4 ms
Free SCC test removed 42 places
Drop transitions (Empty/Sink Transition effects.) removed 161 transitions
Ensure Unique test removed 924 transitions
Reduce isomorphic transitions removed 1085 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 62 transitions
Trivial Post-agglo rules discarded 62 transitions
Performed 62 trivial Post agglomeration. Transition count delta: 62
Iterating post reduction 0 with 62 rules applied. Total rules applied 63 place count 266 transition count 316
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 1 with 62 rules applied. Total rules applied 125 place count 204 transition count 316
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 125 place count 204 transition count 301
Deduced a syphon composed of 15 places in 0 ms
Ensure Unique test removed 7 places
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 37 rules applied. Total rules applied 162 place count 182 transition count 301
Performed 83 Post agglomeration using F-continuation condition.Transition count delta: 83
Deduced a syphon composed of 83 places in 0 ms
Reduce places removed 83 places and 0 transitions.
Iterating global reduction 2 with 166 rules applied. Total rules applied 328 place count 99 transition count 218
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 2 with 42 rules applied. Total rules applied 370 place count 99 transition count 176
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 384 place count 92 transition count 176
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 391 place count 92 transition count 169
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 4 with 7 rules applied. Total rules applied 398 place count 92 transition count 162
Free-agglomeration rule applied 42 times.
Iterating global reduction 4 with 42 rules applied. Total rules applied 440 place count 92 transition count 120
Reduce places removed 42 places and 0 transitions.
Iterating post reduction 4 with 42 rules applied. Total rules applied 482 place count 50 transition count 120
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 5 with 7 rules applied. Total rules applied 489 place count 50 transition count 120
Applied a total of 489 rules in 53 ms. Remains 50 /308 variables (removed 258) and now considering 120/1463 (removed 1343) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 120 rows 50 cols
[2026-05-23 22:52:50] [INFO ] Computed 15 invariants in 6 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 22:52:50] [INFO ] After 49ms 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 22:52:50] [INFO ] [Nat]Absence check using 15 positive place invariants in 3 ms returned sat
[2026-05-23 22:52:50] [INFO ] After 35ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 22:52:50] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-23 22:52:50] [INFO ] After 6ms SMT Verify possible using 7 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 22:52:50] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 22:52:50] [INFO ] After 92ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 225 ms.
RANDOM walk for 40000 steps (8 resets) in 207 ms. (192 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 477160 steps, run timeout after 3001 ms. (steps per millisecond=159 ) properties seen :0 out of 1
Probabilistic random walk after 477160 steps, saw 189825 distinct states, run finished after 3001 ms. (steps per millisecond=159 ) properties seen :0
[2026-05-23 22:52:53] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
// Phase 1: matrix 504 rows 308 cols
[2026-05-23 22:52:53] [INFO ] Computed 22 invariants in 6 ms
[2026-05-23 22:52:53] [INFO ] State equation strengthened by 220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 21/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 294/812 variables, 204/362 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/812 variables, 188/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 812/812 variables, and 550 constraints, problems are : Problem set: 0 solved, 1 unsolved in 358 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 21/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 1/159 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 22:52:54] [INFO ] Deduced a trap composed of 40 places in 272 ms of which 28 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/518 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/518 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 294/812 variables, 204/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/812 variables, 188/552 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 22:52:54] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 4 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/812 variables, 1/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/812 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/812 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 812/812 variables, and 553 constraints, problems are : Problem set: 0 solved, 1 unsolved in 917 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1304ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 1 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 67 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 308/308 places, 1463/1463 transitions.
RANDOM walk for 40000 steps (8 resets) in 136 ms. (291 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 474208 steps, run timeout after 3001 ms. (steps per millisecond=158 ) properties seen :0 out of 1
Probabilistic random walk after 474208 steps, saw 189204 distinct states, run finished after 3001 ms. (steps per millisecond=158 ) properties seen :0
[2026-05-23 22:52:57] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:52:57] [INFO ] Invariant cache hit.
[2026-05-23 22:52:57] [INFO ] State equation strengthened by 220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 21/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 294/812 variables, 204/362 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/812 variables, 188/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 812/812 variables, and 550 constraints, problems are : Problem set: 0 solved, 1 unsolved in 365 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 21/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/518 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 294/812 variables, 204/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 188/551 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 22:52:58] [INFO ] Deduced a trap composed of 3 places in 91 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:52:58] [INFO ] Deduced a trap composed of 3 places in 58 ms of which 4 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/812 variables, 2/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/812 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/812 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 812/812 variables, and 553 constraints, problems are : Problem set: 0 solved, 1 unsolved in 762 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1138ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 54 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55 ms. Remains : 308/308 places, 1463/1463 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 44 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
[2026-05-23 22:52:59] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:52:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:52:59] [INFO ] Implicit Places using invariants in 568 ms returned []
[2026-05-23 22:52:59] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:52:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:52:59] [INFO ] State equation strengthened by 220 read => feed constraints.
[2026-05-23 22:53:01] [INFO ] Implicit Places using invariants and state equation in 2179 ms returned []
Implicit Place search using SMT with State Equation took 2750 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:53:01] [INFO ] Redundant transitions in 67 ms returned []
Running 1456 sub problems to find dead transitions.
[2026-05-23 22:53:01] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:53:01] [INFO ] Invariant cache hit.
[2026-05-23 22:53:01] [INFO ] State equation strengthened by 220 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:17] [INFO ] Deduced a trap composed of 15 places in 297 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:17] [INFO ] Deduced a trap composed of 17 places in 289 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:18] [INFO ] Deduced a trap composed of 23 places in 280 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:18] [INFO ] Deduced a trap composed of 25 places in 256 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:18] [INFO ] Deduced a trap composed of 27 places in 253 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:19] [INFO ] Deduced a trap composed of 51 places in 267 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:19] [INFO ] Deduced a trap composed of 19 places in 247 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:19] [INFO ] Deduced a trap composed of 51 places in 206 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:19] [INFO ] Deduced a trap composed of 19 places in 242 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:20] [INFO ] Deduced a trap composed of 21 places in 240 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:20] [INFO ] Deduced a trap composed of 23 places in 237 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:20] [INFO ] Deduced a trap composed of 51 places in 203 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:20] [INFO ] Deduced a trap composed of 11 places in 218 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:21] [INFO ] Deduced a trap composed of 51 places in 195 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:21] [INFO ] Deduced a trap composed of 53 places in 160 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:22] [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 22:53:22] [INFO ] Deduced a trap composed of 37 places in 192 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:22] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:22] [INFO ] Deduced a trap composed of 37 places in 209 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:22] [INFO ] Deduced a trap composed of 37 places in 198 ms of which 14 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 20/42 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:23] [INFO ] Deduced a trap composed of 27 places in 269 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:24] [INFO ] Deduced a trap composed of 31 places in 296 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:24] [INFO ] Deduced a trap composed of 51 places in 193 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:24] [INFO ] Deduced a trap composed of 51 places in 154 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:25] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:25] [INFO ] Deduced a trap composed of 37 places in 214 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:25] [INFO ] Deduced a trap composed of 37 places in 203 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:26] [INFO ] Deduced a trap composed of 53 places in 183 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:26] [INFO ] Deduced a trap composed of 59 places in 206 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:26] [INFO ] Deduced a trap composed of 37 places in 212 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:27] [INFO ] Deduced a trap composed of 37 places in 166 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:28] [INFO ] Deduced a trap composed of 37 places in 247 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:28] [INFO ] Deduced a trap composed of 21 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:28] [INFO ] Deduced a trap composed of 53 places in 165 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:30] [INFO ] Deduced a trap composed of 13 places in 245 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:31] [INFO ] Deduced a trap composed of 25 places in 85 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:32] [INFO ] Deduced a trap composed of 15 places in 158 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:32] [INFO ] Deduced a trap composed of 40 places in 237 ms of which 27 ms to minimize.
SMT process timed out in 30825ms, After SMT, problems are : Problem set: 0 solved, 1456 unsolved
Search for dead transitions found 0 dead transitions in 30834ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33712 ms. Remains : 308/308 places, 1463/1463 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1349 edges and 308 vertex of which 49 / 308 are part of one of the 7 SCC in 2 ms
Free SCC test removed 42 places
Drop transitions (Empty/Sink Transition effects.) removed 161 transitions
Ensure Unique test removed 924 transitions
Reduce isomorphic transitions removed 1085 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 62 transitions
Trivial Post-agglo rules discarded 62 transitions
Performed 62 trivial Post agglomeration. Transition count delta: 62
Iterating post reduction 0 with 62 rules applied. Total rules applied 63 place count 266 transition count 316
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 1 with 62 rules applied. Total rules applied 125 place count 204 transition count 316
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 125 place count 204 transition count 301
Deduced a syphon composed of 15 places in 0 ms
Ensure Unique test removed 7 places
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 37 rules applied. Total rules applied 162 place count 182 transition count 301
Performed 83 Post agglomeration using F-continuation condition.Transition count delta: 83
Deduced a syphon composed of 83 places in 0 ms
Reduce places removed 83 places and 0 transitions.
Iterating global reduction 2 with 166 rules applied. Total rules applied 328 place count 99 transition count 218
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 2 with 42 rules applied. Total rules applied 370 place count 99 transition count 176
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 384 place count 92 transition count 176
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 391 place count 92 transition count 169
SDD proceeding with computation,152 properties remain. new max is 524288
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 4 with 7 rules applied. Total rules applied 398 place count 92 transition count 162
Free-agglomeration rule applied 42 times.
Iterating global reduction 4 with 42 rules applied. Total rules applied 440 place count 92 transition count 120
Reduce places removed 42 places and 0 transitions.
Iterating post reduction 4 with 42 rules applied. Total rules applied 482 place count 50 transition count 120
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 5 with 7 rules applied. Total rules applied 489 place count 50 transition count 120
Applied a total of 489 rules in 37 ms. Remains 50 /308 variables (removed 258) and now considering 120/1463 (removed 1343) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 120 rows 50 cols
[2026-05-23 22:53:32] [INFO ] Computed 15 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 22:53:32] [INFO ] After 28ms 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 22:53:32] [INFO ] [Nat]Absence check using 15 positive place invariants in 4 ms returned sat
[2026-05-23 22:53:32] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 22:53:32] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-23 22:53:32] [INFO ] After 7ms SMT Verify possible using 7 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
SDD size :1.73382e+07 after 3.97909e+07
[2026-05-23 22:53:32] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 22:53:32] [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 184 ms.
RANDOM walk for 40000 steps (8 resets) in 163 ms. (243 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 490856 steps, run timeout after 3001 ms. (steps per millisecond=163 ) properties seen :0 out of 1
Probabilistic random walk after 490856 steps, saw 192754 distinct states, run finished after 3001 ms. (steps per millisecond=163 ) properties seen :0
[2026-05-23 22:53:35] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
// Phase 1: matrix 504 rows 308 cols
[2026-05-23 22:53:35] [INFO ] Computed 22 invariants in 3 ms
[2026-05-23 22:53:35] [INFO ] State equation strengthened by 220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 21/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 294/812 variables, 204/362 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/812 variables, 188/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 812/812 variables, and 550 constraints, problems are : Problem set: 0 solved, 1 unsolved in 351 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 21/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/518 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 294/812 variables, 204/363 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 188/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/812 variables, 0/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/812 variables, 0/551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 812/812 variables, and 551 constraints, problems are : Problem set: 0 solved, 1 unsolved in 500 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 864ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 1 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 41 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 308/308 places, 1463/1463 transitions.
RANDOM walk for 40000 steps (8 resets) in 166 ms. (239 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 487432 steps, run timeout after 3001 ms. (steps per millisecond=162 ) properties seen :0 out of 1
Probabilistic random walk after 487432 steps, saw 192348 distinct states, run finished after 3001 ms. (steps per millisecond=162 ) properties seen :0
[2026-05-23 22:53:39] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:53:39] [INFO ] Invariant cache hit.
[2026-05-23 22:53:39] [INFO ] State equation strengthened by 220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 21/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 294/812 variables, 204/362 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/812 variables, 188/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/812 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 812/812 variables, and 550 constraints, problems are : Problem set: 0 solved, 1 unsolved in 367 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 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) 40/41 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/43 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/43 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 72/115 variables, 43/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 79/194 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/194 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 120/314 variables, 54/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 21/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 192/506 variables, 12/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/506 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 12/518 variables, 6/158 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/518 variables, 1/159 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 22:53:40] [INFO ] Deduced a trap composed of 15 places in 85 ms of which 5 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/518 variables, 1/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/518 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 294/812 variables, 204/364 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/812 variables, 188/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/812 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/812 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 812/812 variables, and 552 constraints, problems are : Problem set: 0 solved, 1 unsolved in 608 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 308/308 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 983ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30 ms.
Support contains 1 out of 308 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 38 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 308/308 places, 1463/1463 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 308/308 places, 1463/1463 transitions.
Applied a total of 0 rules in 37 ms. Remains 308 /308 variables (removed 0) and now considering 1463/1463 (removed 0) transitions.
[2026-05-23 22:53:41] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:53:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:53:41] [INFO ] Implicit Places using invariants in 525 ms returned []
[2026-05-23 22:53:41] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:53:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 22:53:41] [INFO ] State equation strengthened by 220 read => feed constraints.
[2026-05-23 22:53:43] [INFO ] Implicit Places using invariants and state equation in 1711 ms returned []
Implicit Place search using SMT with State Equation took 2238 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 22:53:43] [INFO ] Redundant transitions in 30 ms returned []
Running 1456 sub problems to find dead transitions.
[2026-05-23 22:53:43] [INFO ] Flow matrix only has 504 transitions (discarded 959 similar events)
[2026-05-23 22:53:43] [INFO ] Invariant cache hit.
[2026-05-23 22:53:43] [INFO ] State equation strengthened by 220 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:55] [INFO ] Deduced a trap composed of 15 places in 325 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:55] [INFO ] Deduced a trap composed of 17 places in 327 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:55] [INFO ] Deduced a trap composed of 23 places in 288 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:56] [INFO ] Deduced a trap composed of 25 places in 289 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:56] [INFO ] Deduced a trap composed of 27 places in 306 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:56] [INFO ] Deduced a trap composed of 51 places in 274 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:57] [INFO ] Deduced a trap composed of 19 places in 257 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:57] [INFO ] Deduced a trap composed of 51 places in 225 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:57] [INFO ] Deduced a trap composed of 19 places in 238 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:57] [INFO ] Deduced a trap composed of 21 places in 233 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:58] [INFO ] Deduced a trap composed of 23 places in 225 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:58] [INFO ] Deduced a trap composed of 51 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 22:53:58] [INFO ] Deduced a trap composed of 11 places in 239 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:58] [INFO ] Deduced a trap composed of 51 places in 187 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:59] [INFO ] Deduced a trap composed of 53 places in 156 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:53:59] [INFO ] Deduced a trap composed of 3 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:00] [INFO ] Deduced a trap composed of 37 places in 193 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:00] [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 22:54:00] [INFO ] Deduced a trap composed of 37 places in 209 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:00] [INFO ] Deduced a trap composed of 37 places in 214 ms of which 15 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 20/42 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:01] [INFO ] Deduced a trap composed of 27 places in 225 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:01] [INFO ] Deduced a trap composed of 31 places in 195 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:01] [INFO ] Deduced a trap composed of 51 places in 206 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:02] [INFO ] Deduced a trap composed of 51 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 22:54:02] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:03] [INFO ] Deduced a trap composed of 37 places in 230 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:03] [INFO ] Deduced a trap composed of 37 places in 233 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:03] [INFO ] Deduced a trap composed of 53 places in 183 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:03] [INFO ] Deduced a trap composed of 59 places in 204 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:04] [INFO ] Deduced a trap composed of 37 places in 220 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:04] [INFO ] Deduced a trap composed of 37 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 22:54:05] [INFO ] Deduced a trap composed of 37 places in 221 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:05] [INFO ] Deduced a trap composed of 21 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:06] [INFO ] Deduced a trap composed of 53 places in 160 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:08] [INFO ] Deduced a trap composed of 13 places in 234 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:09] [INFO ] Deduced a trap composed of 25 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 22:54:09] [INFO ] Deduced a trap composed of 15 places in 157 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:10] [INFO ] Deduced a trap composed of 40 places in 251 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:10] [INFO ] Deduced a trap composed of 47 places in 228 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:11] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 20/62 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 308/812 variables, and 62 constraints, problems are : Problem set: 0 solved, 1456 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/308 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 1456/1456 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 7/22 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 40/62 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:16] [INFO ] Deduced a trap composed of 29 places in 310 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:24] [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 22:54:26] [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 22:54:28] [INFO ] Deduced a trap composed of 17 places in 419 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:28] [INFO ] Deduced a trap composed of 19 places in 409 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:29] [INFO ] Deduced a trap composed of 3 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:29] [INFO ] Deduced a trap composed of 21 places in 144 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:29] [INFO ] Deduced a trap composed of 23 places in 93 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:30] [INFO ] Deduced a trap composed of 53 places in 341 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:30] [INFO ] Deduced a trap composed of 48 places in 355 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:31] [INFO ] Deduced a trap composed of 51 places in 314 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:31] [INFO ] Deduced a trap composed of 51 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 22:54:32] [INFO ] Deduced a trap composed of 51 places in 345 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:32] [INFO ] Deduced a trap composed of 51 places in 340 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:33] [INFO ] Deduced a trap composed of 51 places in 343 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:33] [INFO ] Deduced a trap composed of 51 places in 364 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:34] [INFO ] Deduced a trap composed of 48 places in 399 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:34] [INFO ] Deduced a trap composed of 49 places in 367 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:35] [INFO ] Deduced a trap composed of 58 places in 335 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 22:54:35] [INFO ] Deduced a trap composed of 59 places in 381 ms of which 40 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 20/82 constraints. Problems are: Problem set: 0 solved, 1456 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 308/812 variables, and 82 constraints, problems are : Problem set: 0 solved, 1456 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 0/308 constraints, ReadFeed: 0/220 constraints, PredecessorRefiner: 0/1456 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60436ms problems are : Problem set: 0 solved, 1456 unsolved
Search for dead transitions found 0 dead transitions in 60442ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62760 ms. Remains : 308/308 places, 1463/1463 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1349 edges and 308 vertex of which 49 / 308 are part of one of the 7 SCC in 1 ms
Free SCC test removed 42 places
Drop transitions (Empty/Sink Transition effects.) removed 161 transitions
Ensure Unique test removed 924 transitions
Reduce isomorphic transitions removed 1085 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 62 transitions
Trivial Post-agglo rules discarded 62 transitions
Performed 62 trivial Post agglomeration. Transition count delta: 62
Iterating post reduction 0 with 62 rules applied. Total rules applied 63 place count 266 transition count 316
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 1 with 62 rules applied. Total rules applied 125 place count 204 transition count 316
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 125 place count 204 transition count 301
Deduced a syphon composed of 15 places in 0 ms
Ensure Unique test removed 7 places
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 37 rules applied. Total rules applied 162 place count 182 transition count 301
Performed 83 Post agglomeration using F-continuation condition.Transition count delta: 83
Deduced a syphon composed of 83 places in 0 ms
Reduce places removed 83 places and 0 transitions.
Iterating global reduction 2 with 166 rules applied. Total rules applied 328 place count 99 transition count 218
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 2 with 42 rules applied. Total rules applied 370 place count 99 transition count 176
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 384 place count 92 transition count 176
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 391 place count 92 transition count 169
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 4 with 7 rules applied. Total rules applied 398 place count 92 transition count 162
Free-agglomeration rule applied 42 times.
Iterating global reduction 4 with 42 rules applied. Total rules applied 440 place count 92 transition count 120
Reduce places removed 42 places and 0 transitions.
Iterating post reduction 4 with 42 rules applied. Total rules applied 482 place count 50 transition count 120
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 5 with 7 rules applied. Total rules applied 489 place count 50 transition count 120
Applied a total of 489 rules in 37 ms. Remains 50 /308 variables (removed 258) and now considering 120/1463 (removed 1343) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 120 rows 50 cols
[2026-05-23 22:54:43] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 22:54:43] [INFO ] After 27ms 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 22:54:43] [INFO ] [Nat]Absence check using 15 positive place invariants in 4 ms returned sat
[2026-05-23 22:54:43] [INFO ] After 41ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-23 22:54:43] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-23 22:54:43] [INFO ] After 7ms SMT Verify possible using 7 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 22:54:43] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 22:54:43] [INFO ] After 96ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 172 ms.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 1345 edges and 308 vertex of which 49 / 308 are part of one of the 7 SCC in 3 ms
Free SCC test removed 42 places
Drop transitions (Empty/Sink Transition effects.) removed 161 transitions
Ensure Unique test removed 924 transitions
Reduce isomorphic transitions removed 1085 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 62 transitions
Trivial Post-agglo rules discarded 62 transitions
Performed 62 trivial Post agglomeration. Transition count delta: 62
Iterating post reduction 0 with 62 rules applied. Total rules applied 63 place count 266 transition count 316
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 1 with 62 rules applied. Total rules applied 125 place count 204 transition count 316
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 125 place count 204 transition count 301
Deduced a syphon composed of 15 places in 0 ms
Ensure Unique test removed 7 places
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 37 rules applied. Total rules applied 162 place count 182 transition count 301
Performed 81 Post agglomeration using F-continuation condition.Transition count delta: 81
Deduced a syphon composed of 81 places in 0 ms
Reduce places removed 81 places and 0 transitions.
Iterating global reduction 2 with 162 rules applied. Total rules applied 324 place count 101 transition count 220
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 2 with 42 rules applied. Total rules applied 366 place count 101 transition count 178
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 380 place count 94 transition count 178
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 387 place count 94 transition count 171
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 4 with 7 rules applied. Total rules applied 394 place count 94 transition count 164
Free-agglomeration rule applied 42 times.
Iterating global reduction 4 with 42 rules applied. Total rules applied 436 place count 94 transition count 122
Reduce places removed 42 places and 0 transitions.
Iterating post reduction 4 with 42 rules applied. Total rules applied 478 place count 52 transition count 122
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 5 with 7 rules applied. Total rules applied 485 place count 52 transition count 122
Applied a total of 485 rules in 34 ms. Remains 52 /308 variables (removed 256) and now considering 122/1463 (removed 1341) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 122 rows 52 cols
[2026-05-23 22:54:43] [INFO ] Computed 15 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 22:54:44] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-23 22:54:44] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-23 22:54:44] [INFO ] After 80ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2026-05-23 22:54:44] [INFO ] State equation strengthened by 7 read => feed constraints.
[2026-05-23 22:54:44] [INFO ] After 21ms SMT Verify possible using 7 Read/Feed constraints in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2026-05-23 22:54:44] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2026-05-23 22:54:44] [INFO ] After 212ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
[2026-05-23 22:54:44] [INFO ] Flatten gal took : 11 ms
[2026-05-23 22:54:44] [INFO ] Flatten gal took : 8 ms
[2026-05-23 22:54:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16254423022630765439.gal : 2 ms
[2026-05-23 22:54:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1690809984632151959.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/ReachabilityCardinality16254423022630765439.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1690809984632151959.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/ReachabilityCardinality1690809984632151959.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 12
Invariant property smplace_496 does not hold.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :12 after 30
Invariant property smplace_497 does not hold.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :30 after 100
Invariant property smplace_505 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 5 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,187,0.028974,5312,2,158,11,800,6,0,333,350,0
Total reachable state count : 187
Verifying 3 reachability properties.
Invariant property smplace_496 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\_496,6,0.029472,5312,2,63,11,800,7,0,336,350,0
Invariant property smplace_497 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\_497,4,0.029747,5312,2,56,11,800,8,0,338,350,0
Invariant property smplace_505 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\_505,25,0.029967,5312,2,87,11,800,9,0,340,350,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 380 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-23 22:54:44] [INFO ] Flatten gal took : 88 ms
[2026-05-23 22:54:44] [INFO ] Applying decomposition
[2026-05-23 22:54:44] [INFO ] Flatten gal took : 83 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/graph12487729113920167350.txt' '-o' '/tmp/graph12487729113920167350.bin' '-w' '/tmp/graph12487729113920167350.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12487729113920167350.bin' '-l' '-1' '-v' '-w' '/tmp/graph12487729113920167350.weights' '-q' '0' '-e' '0.001'
[2026-05-23 22:54:45] [INFO ] Decomposing Gal with order
[2026-05-23 22:54:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 22:54:45] [INFO ] Removed a total of 3631 redundant transitions.
[2026-05-23 22:54:45] [INFO ] Flatten gal took : 460 ms
[2026-05-23 22:54:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 377 labels/synchronizations in 121 ms.
[2026-05-23 22:54:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8097710192623172023.gal : 36 ms
[2026-05-23 22:54:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2222459596083045485.prop : 3 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/ReachabilityCardinality8097710192623172023.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2222459596083045485.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/ReachabilityCardinality2222459596083045485.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :1 after 2
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :2 after 10
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :10 after 65
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :65 after 669
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :669 after 20557
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :20557 after 84098
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :84098 after 4.05361e+06
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :4.05361e+06 after 1.02881e+08
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1.02881e+08 after 1.06887e+08
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :1.06887e+08 after 1.77761e+08
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :1.77761e+08 after 4.70467e+08
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :4.70467e+08 after 1.77518e+09
Detected timeout of ITS tools.
[2026-05-23 23:04:46] [INFO ] Flatten gal took : 96 ms
[2026-05-23 23:04:47] [INFO ] Flatten gal took : 79 ms
[2026-05-23 23:04:47] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability9137023143227091749.gal : 27 ms
[2026-05-23 23:04:47] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability15888161694913254439.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/ReachabilityFireability9137023143227091749.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability15888161694913254439.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/ReachabilityFireability15888161694913254439.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 6
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :7 after 20
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :20 after 24
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :24 after 28
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :28 after 86
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :86 after 300
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :300 after 810
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :810 after 3227
Detected timeout of ITS tools.
[2026-05-23 23:04:50] [INFO ] Flatten gal took : 56 ms
[2026-05-23 23:04:50] [INFO ] Applying decomposition
[2026-05-23 23:04:50] [INFO ] Flatten gal took : 53 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/graph5101585784051788396.txt' '-o' '/tmp/graph5101585784051788396.bin' '-w' '/tmp/graph5101585784051788396.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5101585784051788396.bin' '-l' '-1' '-v' '-w' '/tmp/graph5101585784051788396.weights' '-q' '0' '-e' '0.001'
[2026-05-23 23:04:50] [INFO ] Decomposing Gal with order
[2026-05-23 23:04:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 23:04:50] [INFO ] Removed a total of 2857 redundant transitions.
[2026-05-23 23:04:50] [INFO ] Flatten gal took : 165 ms
[2026-05-23 23:04:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 486 labels/synchronizations in 66 ms.
[2026-05-23 23:04:50] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability2276662842726641374.gal : 17 ms
[2026-05-23 23:04:50] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability17783691524381815385.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/ReachabilityFireability2276662842726641374.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability17783691524381815385.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/ReachabilityFireability17783691524381815385.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 2867
Detected timeout of ITS tools.
[2026-05-23 23:04:53] [INFO ] Flatten gal took : 48 ms
[2026-05-23 23:04:53] [INFO ] Flatten gal took : 50 ms
[2026-05-23 23:04:53] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability501278558368932885.gal : 10 ms
[2026-05-23 23:04:53] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability11271571550917319446.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/ReachabilityFireability501278558368932885.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability11271571550917319446.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/ReachabilityFireability11271571550917319446.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 6
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :7 after 20
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :20 after 24
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :24 after 28
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :28 after 86
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :86 after 300
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :300 after 810
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :810 after 3227
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :3227 after 8720
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :8720 after 16122
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :16122 after 60087
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :60087 after 110591
Detected timeout of ITS tools.
[2026-05-23 23:05:23] [INFO ] Flatten gal took : 38 ms
[2026-05-23 23:05:23] [INFO ] Applying decomposition
[2026-05-23 23:05:24] [INFO ] Flatten gal took : 41 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/graph16273245373751675874.txt' '-o' '/tmp/graph16273245373751675874.bin' '-w' '/tmp/graph16273245373751675874.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16273245373751675874.bin' '-l' '-1' '-v' '-w' '/tmp/graph16273245373751675874.weights' '-q' '0' '-e' '0.001'
[2026-05-23 23:05:24] [INFO ] Decomposing Gal with order
[2026-05-23 23:05:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 23:05:24] [INFO ] Removed a total of 2800 redundant transitions.
[2026-05-23 23:05:24] [INFO ] Flatten gal took : 219 ms
[2026-05-23 23:05:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 408 labels/synchronizations in 82 ms.
[2026-05-23 23:05:24] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability3288659462539885047.gal : 19 ms
[2026-05-23 23:05:24] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability2841037855493294193.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/ReachabilityFireability3288659462539885047.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability2841037855493294193.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/ReachabilityFireability2841037855493294193.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 374
Invariant property smplace_505 does not hold.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :374 after 3614
Invariant property smplace_497 does not hold.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :3614 after 55057
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :55057 after 114487
Detected timeout of ITS tools.
[2026-05-23 23:05:54] [INFO ] Flatten gal took : 45 ms
[2026-05-23 23:05:54] [INFO ] Flatten gal took : 40 ms
[2026-05-23 23:05:54] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability10521599100088301075.gal : 7 ms
[2026-05-23 23:05:54] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability505770791282630625.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/ReachabilityFireability10521599100088301075.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability505770791282630625.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/ReachabilityFireability505770791282630625.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :7 after 20
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :20 after 24
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :24 after 28
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :28 after 86
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :86 after 300
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :300 after 810
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :810 after 3227
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3227 after 8720
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :8720 after 16122
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :16122 after 60087
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :60087 after 110591
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :110591 after 377653
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :377653 after 1.13213e+06
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.13213e+06 after 2.61985e+06
Detected timeout of ITS tools.
[2026-05-23 23:10:55] [INFO ] Flatten gal took : 38 ms
[2026-05-23 23:10:55] [INFO ] Applying decomposition
[2026-05-23 23:10:55] [INFO ] Flatten gal took : 37 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/graph4623297065428243872.txt' '-o' '/tmp/graph4623297065428243872.bin' '-w' '/tmp/graph4623297065428243872.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4623297065428243872.bin' '-l' '-1' '-v' '-w' '/tmp/graph4623297065428243872.weights' '-q' '0' '-e' '0.001'
[2026-05-23 23:10:55] [INFO ] Decomposing Gal with order
[2026-05-23 23:10:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 23:10:55] [INFO ] Removed a total of 2881 redundant transitions.
[2026-05-23 23:10:55] [INFO ] Flatten gal took : 144 ms
[2026-05-23 23:10:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 444 labels/synchronizations in 48 ms.
[2026-05-23 23:10:55] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability12397196795004745682.gal : 16 ms
[2026-05-23 23:10:55] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability266616648027209504.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/ReachabilityFireability12397196795004745682.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability266616648027209504.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/ReachabilityFireability266616648027209504.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 40
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :40 after 78
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :78 after 3325
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :3325 after 9772
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :9772 after 65400
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :65400 after 5.88601e+06
Detected timeout of ITS tools.
[2026-05-23 23:15:55] [INFO ] Flatten gal took : 36 ms
[2026-05-23 23:15:55] [INFO ] Flatten gal took : 38 ms
[2026-05-23 23:15:55] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability8212910917501968175.gal : 6 ms
[2026-05-23 23:15:55] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability6621510048251743117.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/ReachabilityFireability8212910917501968175.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability6621510048251743117.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/ReachabilityFireability6621510048251743117.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :7 after 20
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :20 after 24
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :24 after 28
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :28 after 86
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :86 after 300
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :300 after 810
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :810 after 3227
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3227 after 8720
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :8720 after 16122
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-07"
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-07, 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-177955743900168"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-07.tgz
mv EisenbergMcGuire-PT-07 execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "StableMarking.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;