Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r007-tall-174853737200203.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is ASLink-PT-03b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-tall-174853737200203
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 544K May 29 14:32 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 1748541770396

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ASLink-PT-03b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-05-29 18:02:51] [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]
[2025-05-29 18:02:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 18:02:51] [INFO ] Load time of PNML (sax parser for PT used): 157 ms
[2025-05-29 18:02:52] [INFO ] Transformed 1638 places.
[2025-05-29 18:02:52] [INFO ] Transformed 2094 transitions.
[2025-05-29 18:02:52] [INFO ] Found NUPN structural information;
[2025-05-29 18:02:52] [INFO ] Parsed PT model containing 1638 places and 2094 transitions and 6458 arcs in 279 ms.
Structural test allowed to assert that 196 places are NOT stable. Took 16 ms.
[2025-05-29 18:02:53] [INFO ] Flatten gal took : 535 ms
[2025-05-29 18:02:53] [INFO ] Flatten gal took : 247 ms
[2025-05-29 18:02:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15332512817837111862.gal : 87 ms
[2025-05-29 18:02:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10143141029162680678.prop : 14 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/ReachabilityCardinality15332512817837111862.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10143141029162680678.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
RANDOM walk for 40000 steps (118 resets) in 5159 ms. (7 steps per ms) remains 288/1442 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 288/288 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 288/288 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 288/288 properties
BEST_FIRST walk for 402 steps (8 resets) in 16 ms. (23 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 288/288 properties
BEST_FIRST walk for 401 steps (8 resets) in 8 ms. (44 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 288/288 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 288/288 properties
Loading property file /tmp/ReachabilityCardinality10143141029162680678.prop.
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 288/288 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 288/288 properties
// Phase 1: matrix 2094 rows 1638 cols
[2025-05-29 18:02:54] [INFO ] Computed 160 invariants in 156 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1442 properties remain. new max is 4
SDD size :1 after 5
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/288 variables, 288/288 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/288 variables, 8/296 constraints. Problems are: Problem set: 0 solved, 288 unsolved
SDD proceeding with computation,1442 properties remain. new max is 8
SDD size :5 after 9
SDD proceeding with computation,1442 properties remain. new max is 16
SDD size :9 after 15
SDD proceeding with computation,1442 properties remain. new max is 32
SDD size :15 after 48
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 288/3732 variables, and 296 constraints, problems are : Problem set: 0 solved, 288 unsolved in 5067 ms.
Refiners :[Domain max(s): 288/1638 constraints, Positive P Invariants (semi-flows): 0/37 constraints, Generalized P Invariants (flows): 8/123 constraints, State Equation: 0/1638 constraints, PredecessorRefiner: 288/288 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 288 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/288 variables, 288/288 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/288 variables, 8/296 constraints. Problems are: Problem set: 0 solved, 288 unsolved
SDD proceeding with computation,1442 properties remain. new max is 64
SDD size :48 after 195
SDD proceeding with computation,1442 properties remain. new max is 128
SDD size :195 after 415
At refinement iteration 2 (INCLUDED_ONLY) 0/288 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 3 (OVERLAPS) 119/407 variables, 14/310 constraints. Problems are: Problem set: 0 solved, 288 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/407 variables, 119/429 constraints. Problems are: Problem set: 0 solved, 288 unsolved
SDD proceeding with computation,1442 properties remain. new max is 256
At refinement iteration 5 (INCLUDED_ONLY) 0/407 variables, 1/430 constraints. Problems are: Problem set: 0 solved, 288 unsolved
SDD size :415 after 576
Invariant property smplace_471 does not hold.
Invariant property smplace_470 does not hold.
Invariant property smplace_469 does not hold.
Invariant property smplace_443 does not hold.
Invariant property smplace_363 does not hold.
Invariant property smplace_329 does not hold.
Invariant property smplace_328 does not hold.
Invariant property smplace_311 does not hold.
Invariant property smplace_310 does not hold.
Invariant property smplace_309 does not hold.
Invariant property smplace_308 does not hold.
Invariant property smplace_307 does not hold.
Invariant property smplace_306 does not hold.
Invariant property smplace_305 does not hold.
Invariant property smplace_304 does not hold.
Invariant property smplace_303 does not hold.
Invariant property smplace_302 does not hold.
Invariant property smplace_301 does not hold.
Invariant property smplace_300 does not hold.
Invariant property smplace_299 does not hold.
Invariant property smplace_298 does not hold.
Invariant property smplace_297 does not hold.
Invariant property smplace_296 does not hold.
Invariant property smplace_295 does not hold.
Invariant property smplace_292 does not hold.
Invariant property smplace_291 does not hold.
Invariant property smplace_231 does not hold.
SDD proceeding with computation,1415 properties remain. new max is 256
SDD size :576 after 28824
Invariant property smplace_369 does not hold.
Invariant property smplace_362 does not hold.
Invariant property smplace_335 does not hold.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 407/3732 variables, and 430 constraints, problems are : Problem set: 0 solved, 288 unsolved in 5017 ms.
Refiners :[Domain max(s): 407/1638 constraints, Positive P Invariants (semi-flows): 14/37 constraints, Generalized P Invariants (flows): 9/123 constraints, State Equation: 0/1638 constraints, PredecessorRefiner: 0/288 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10478ms problems are : Problem set: 0 solved, 288 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 288 out of 1638 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1638/1638 places, 2094/2094 transitions.
Invariant property smplace_230 does not hold.
Drop transitions (Trivial Post-Agglo cleanup.) removed 311 transitions
Trivial Post-agglo rules discarded 311 transitions
Performed 311 trivial Post agglomeration. Transition count delta: 311
Iterating post reduction 0 with 311 rules applied. Total rules applied 311 place count 1638 transition count 1783
Reduce places removed 311 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 1 with 329 rules applied. Total rules applied 640 place count 1327 transition count 1765
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 645 place count 1322 transition count 1765
Performed 308 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 308 Pre rules applied. Total rules applied 645 place count 1322 transition count 1457
Deduced a syphon composed of 308 places in 3 ms
Ensure Unique test removed 27 places
Reduce places removed 335 places and 0 transitions.
Iterating global reduction 3 with 643 rules applied. Total rules applied 1288 place count 987 transition count 1457
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 3 with 20 rules applied. Total rules applied 1308 place count 985 transition count 1439
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 4 with 18 rules applied. Total rules applied 1326 place count 967 transition count 1439
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 10 Pre rules applied. Total rules applied 1326 place count 967 transition count 1429
Deduced a syphon composed of 10 places in 4 ms
Ensure Unique test removed 10 places
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 5 with 30 rules applied. Total rules applied 1356 place count 947 transition count 1429
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 10 Pre rules applied. Total rules applied 1356 place count 947 transition count 1419
Deduced a syphon composed of 10 places in 7 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 5 with 20 rules applied. Total rules applied 1376 place count 937 transition count 1419
Discarding 39 places :
Symmetric choice reduction at 5 with 39 rule applications. Total rules 1415 place count 898 transition count 1380
Iterating global reduction 5 with 39 rules applied. Total rules applied 1454 place count 898 transition count 1380
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1455 place count 898 transition count 1379
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 13 Pre rules applied. Total rules applied 1455 place count 898 transition count 1366
Deduced a syphon composed of 13 places in 6 ms
Ensure Unique test removed 1 places
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 6 with 27 rules applied. Total rules applied 1482 place count 884 transition count 1366
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1482 place count 884 transition count 1365
Deduced a syphon composed of 1 places in 6 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 3 rules applied. Total rules applied 1485 place count 882 transition count 1365
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1488 place count 879 transition count 1344
Iterating global reduction 6 with 3 rules applied. Total rules applied 1491 place count 879 transition count 1344
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1491 place count 879 transition count 1343
Deduced a syphon composed of 1 places in 6 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1493 place count 878 transition count 1343
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1494 place count 877 transition count 1335
Iterating global reduction 6 with 1 rules applied. Total rules applied 1495 place count 877 transition count 1335
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1496 place count 876 transition count 1327
Iterating global reduction 6 with 1 rules applied. Total rules applied 1497 place count 876 transition count 1327
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1498 place count 875 transition count 1319
SDD proceeding with computation,1411 properties remain. new max is 256
Iterating global reduction 6 with 1 rules applied. Total rules applied 1499 place count 875 transition count 1319
SDD size :28824 after 37195
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1500 place count 874 transition count 1311
Iterating global reduction 6 with 1 rules applied. Total rules applied 1501 place count 874 transition count 1311
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1502 place count 873 transition count 1303
Iterating global reduction 6 with 1 rules applied. Total rules applied 1503 place count 873 transition count 1303
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1504 place count 872 transition count 1295
Iterating global reduction 6 with 1 rules applied. Total rules applied 1505 place count 872 transition count 1295
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1506 place count 871 transition count 1287
Iterating global reduction 6 with 1 rules applied. Total rules applied 1507 place count 871 transition count 1287
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1508 place count 870 transition count 1279
Iterating global reduction 6 with 1 rules applied. Total rules applied 1509 place count 870 transition count 1279
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1510 place count 869 transition count 1271
Iterating global reduction 6 with 1 rules applied. Total rules applied 1511 place count 869 transition count 1271
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1512 place count 868 transition count 1263
Iterating global reduction 6 with 1 rules applied. Total rules applied 1513 place count 868 transition count 1263
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1514 place count 867 transition count 1255
Iterating global reduction 6 with 1 rules applied. Total rules applied 1515 place count 867 transition count 1255
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1516 place count 866 transition count 1247
Iterating global reduction 6 with 1 rules applied. Total rules applied 1517 place count 866 transition count 1247
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1518 place count 865 transition count 1239
Iterating global reduction 6 with 1 rules applied. Total rules applied 1519 place count 865 transition count 1239
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1520 place count 864 transition count 1231
Iterating global reduction 6 with 1 rules applied. Total rules applied 1521 place count 864 transition count 1231
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1522 place count 863 transition count 1223
Iterating global reduction 6 with 1 rules applied. Total rules applied 1523 place count 863 transition count 1223
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1524 place count 862 transition count 1215
Iterating global reduction 6 with 1 rules applied. Total rules applied 1525 place count 862 transition count 1215
Performed 78 Post agglomeration using F-continuation condition.Transition count delta: 78
Deduced a syphon composed of 78 places in 1 ms
Reduce places removed 78 places and 0 transitions.
Iterating global reduction 6 with 156 rules applied. Total rules applied 1681 place count 784 transition count 1137
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 1683 place count 783 transition count 1146
Free-agglomeration rule applied 5 times.
Iterating global reduction 6 with 5 rules applied. Total rules applied 1688 place count 783 transition count 1141
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 1693 place count 778 transition count 1141
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 7 with 1 rules applied. Total rules applied 1694 place count 778 transition count 1140
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 1695 place count 777 transition count 1140
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 1696 place count 777 transition count 1140
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 1697 place count 776 transition count 1139
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 5 rules applied. Total rules applied 1702 place count 772 transition count 1138
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1703 place count 771 transition count 1138
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 7 Pre rules applied. Total rules applied 1703 place count 771 transition count 1131
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 10 with 14 rules applied. Total rules applied 1717 place count 764 transition count 1131
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 10 with 2 rules applied. Total rules applied 1719 place count 762 transition count 1131
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 11 with 6 rules applied. Total rules applied 1725 place count 759 transition count 1128
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 1727 place count 757 transition count 1126
Iterating global reduction 11 with 2 rules applied. Total rules applied 1729 place count 757 transition count 1126
Free-agglomeration rule applied 2 times.
Iterating global reduction 11 with 2 rules applied. Total rules applied 1731 place count 757 transition count 1124
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1733 place count 755 transition count 1124
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 1734 place count 755 transition count 1124
Applied a total of 1734 rules in 1073 ms. Remains 755 /1638 variables (removed 883) and now considering 1124/2094 (removed 970) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1082 ms. Remains : 755/1638 places, 1124/2094 transitions.
Invariant property smplace_379 does not hold.
Invariant property smplace_370 does not hold.
Invariant property smplace_348 does not hold.
Invariant property smplace_347 does not hold.
Invariant property smplace_346 does not hold.
Invariant property smplace_345 does not hold.
Invariant property smplace_344 does not hold.
Invariant property smplace_343 does not hold.
Invariant property smplace_342 does not hold.
Invariant property smplace_341 does not hold.
Invariant property smplace_340 does not hold.
Invariant property smplace_339 does not hold.
Invariant property smplace_338 does not hold.
Invariant property smplace_337 does not hold.
Invariant property smplace_336 does not hold.
Invariant property smplace_334 does not hold.
Invariant property smplace_333 does not hold.
Invariant property smplace_332 does not hold.
SDD proceeding with computation,1393 properties remain. new max is 256
SDD size :37195 after 618138
Invariant property smplace_450 does not hold.
Invariant property smplace_449 does not hold.
Invariant property smplace_395 does not hold.
Invariant property smplace_382 does not hold.
Invariant property smplace_381 does not hold.
Invariant property smplace_380 does not hold.
Invariant property smplace_378 does not hold.
Invariant property smplace_377 does not hold.
Invariant property smplace_376 does not hold.
Invariant property smplace_375 does not hold.
Invariant property smplace_374 does not hold.
Invariant property smplace_373 does not hold.
Invariant property smplace_372 does not hold.
Invariant property smplace_371 does not hold.
Invariant property smplace_368 does not hold.
Invariant property smplace_367 does not hold.
Invariant property smplace_366 does not hold.
SDD proceeding with computation,1376 properties remain. new max is 256
SDD size :618138 after 895426
SDD proceeding with computation,1376 properties remain. new max is 512
SDD size :895426 after 898968
Invariant property smplace_816 does not hold.
Invariant property smplace_812 does not hold.
Invariant property smplace_811 does not hold.
Invariant property smplace_448 does not hold.
Invariant property smplace_442 does not hold.
Invariant property smplace_441 does not hold.
Invariant property smplace_394 does not hold.
Invariant property smplace_393 does not hold.
Invariant property smplace_392 does not hold.
Invariant property smplace_391 does not hold.
Invariant property smplace_390 does not hold.
Invariant property smplace_389 does not hold.
Invariant property smplace_388 does not hold.
Invariant property smplace_387 does not hold.
Invariant property smplace_386 does not hold.
Invariant property smplace_385 does not hold.
Invariant property smplace_384 does not hold.
SDD proceeding with computation,1359 properties remain. new max is 512
SDD size :898968 after 6.36217e+08
Invariant property smplace_866 does not hold.
Invariant property smplace_865 does not hold.
Invariant property smplace_864 does not hold.
Invariant property smplace_838 does not hold.
Invariant property smplace_758 does not hold.
Invariant property smplace_757 does not hold.
Invariant property smplace_730 does not hold.
Invariant property smplace_724 does not hold.
Invariant property smplace_723 does not hold.
Invariant property smplace_706 does not hold.
Invariant property smplace_705 does not hold.
Invariant property smplace_704 does not hold.
Invariant property smplace_703 does not hold.
Invariant property smplace_702 does not hold.
Invariant property smplace_701 does not hold.
Invariant property smplace_700 does not hold.
Invariant property smplace_699 does not hold.
Invariant property smplace_698 does not hold.
Invariant property smplace_697 does not hold.
Invariant property smplace_696 does not hold.
Invariant property smplace_695 does not hold.
Invariant property smplace_694 does not hold.
Invariant property smplace_693 does not hold.
Invariant property smplace_692 does not hold.
Invariant property smplace_691 does not hold.
Invariant property smplace_690 does not hold.
Invariant property smplace_687 does not hold.
Invariant property smplace_686 does not hold.
Invariant property smplace_626 does not hold.
Invariant property smplace_625 does not hold.
SDD proceeding with computation,1329 properties remain. new max is 512
SDD size :6.36217e+08 after 2.66665e+10
Invariant property smplace_854 does not hold.
Invariant property smplace_853 does not hold.
Invariant property smplace_852 does not hold.
Invariant property smplace_826 does not hold.
Invariant property smplace_819 does not hold.
Invariant property smplace_818 does not hold.
Invariant property smplace_815 does not hold.
Invariant property smplace_814 does not hold.
Invariant property smplace_813 does not hold.
Invariant property smplace_774 does not hold.
Invariant property smplace_765 does not hold.
Invariant property smplace_764 does not hold.
Invariant property smplace_743 does not hold.
Invariant property smplace_742 does not hold.
Invariant property smplace_741 does not hold.
Invariant property smplace_740 does not hold.
Invariant property smplace_739 does not hold.
Invariant property smplace_738 does not hold.
Invariant property smplace_737 does not hold.
Invariant property smplace_736 does not hold.
Invariant property smplace_735 does not hold.
Invariant property smplace_734 does not hold.
Invariant property smplace_733 does not hold.
Invariant property smplace_732 does not hold.
Invariant property smplace_731 does not hold.
Invariant property smplace_729 does not hold.
Invariant property smplace_728 does not hold.
Invariant property smplace_727 does not hold.
RANDOM walk for 4000000 steps (57286 resets) in 88155 ms. (45 steps per ms) remains 226/288 properties
BEST_FIRST walk for 40003 steps (157 resets) in 329 ms. (121 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40002 steps (157 resets) in 314 ms. (126 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (166 resets) in 287 ms. (138 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (156 resets) in 328 ms. (121 steps per ms) remains 226/226 properties
SDD proceeding with computation,1301 properties remain. new max is 512
SDD size :2.66665e+10 after 3.889e+11
BEST_FIRST walk for 40002 steps (170 resets) in 317 ms. (125 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40001 steps (155 resets) in 266 ms. (149 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40000 steps (152 resets) in 310 ms. (128 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (156 resets) in 286 ms. (139 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (164 resets) in 311 ms. (128 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40001 steps (165 resets) in 313 ms. (127 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40001 steps (139 resets) in 266 ms. (149 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40000 steps (160 resets) in 271 ms. (147 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (153 resets) in 292 ms. (136 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (160 resets) in 313 ms. (127 steps per ms) remains 226/226 properties
SDD proceeding with computation,1301 properties remain. new max is 1024
SDD size :3.889e+11 after 3.89216e+11
BEST_FIRST walk for 40003 steps (166 resets) in 310 ms. (128 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (158 resets) in 276 ms. (144 steps per ms) remains 226/226 properties
Invariant property smplace_845 does not hold.
Invariant property smplace_844 does not hold.
BEST_FIRST walk for 40004 steps (163 resets) in 296 ms. (134 steps per ms) remains 226/226 properties
Invariant property smplace_790 does not hold.
Invariant property smplace_777 does not hold.
Invariant property smplace_776 does not hold.
Invariant property smplace_775 does not hold.
Invariant property smplace_773 does not hold.
Invariant property smplace_772 does not hold.
Invariant property smplace_771 does not hold.
Invariant property smplace_770 does not hold.
Invariant property smplace_769 does not hold.
Invariant property smplace_768 does not hold.
Invariant property smplace_767 does not hold.
Invariant property smplace_766 does not hold.
Invariant property smplace_763 does not hold.
Invariant property smplace_762 does not hold.
Invariant property smplace_761 does not hold.
BEST_FIRST walk for 40002 steps (156 resets) in 319 ms. (125 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (151 resets) in 345 ms. (115 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (153 resets) in 260 ms. (153 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (165 resets) in 305 ms. (130 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (142 resets) in 303 ms. (131 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40002 steps (156 resets) in 316 ms. (126 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40002 steps (153 resets) in 342 ms. (116 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40002 steps (161 resets) in 329 ms. (121 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (158 resets) in 296 ms. (134 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (160 resets) in 340 ms. (117 steps per ms) remains 226/226 properties
SDD proceeding with computation,1284 properties remain. new max is 1024
SDD size :3.89216e+11 after 5.79219e+11
BEST_FIRST walk for 40002 steps (151 resets) in 353 ms. (113 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (161 resets) in 329 ms. (121 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (155 resets) in 260 ms. (153 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (155 resets) in 278 ms. (143 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (163 resets) in 272 ms. (146 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (156 resets) in 287 ms. (138 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40001 steps (155 resets) in 324 ms. (123 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (152 resets) in 300 ms. (132 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40001 steps (158 resets) in 318 ms. (125 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40002 steps (146 resets) in 251 ms. (158 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (147 resets) in 275 ms. (144 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40002 steps (154 resets) in 229 ms. (173 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (156 resets) in 310 ms. (128 steps per ms) remains 226/226 properties
SDD proceeding with computation,1284 properties remain. new max is 2048
SDD size :5.79219e+11 after 5.81126e+11
BEST_FIRST walk for 40002 steps (154 resets) in 412 ms. (96 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (165 resets) in 383 ms. (104 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40002 steps (157 resets) in 336 ms. (118 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (156 resets) in 343 ms. (116 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (156 resets) in 307 ms. (129 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (166 resets) in 403 ms. (99 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (160 resets) in 335 ms. (119 steps per ms) remains 226/226 properties
Invariant property smplace_1261 does not hold.
Invariant property smplace_1211 does not hold.
Invariant property smplace_1207 does not hold.
Invariant property smplace_1206 does not hold.
BEST_FIRST walk for 40004 steps (158 resets) in 365 ms. (109 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40003 steps (163 resets) in 352 ms. (113 steps per ms) remains 226/226 properties
BEST_FIRST walk for 40004 steps (162 resets) in 322 ms. (123 steps per ms) remains 226/226 properties
// Phase 1: matrix 1124 rows 755 cols
Invariant property smplace_1101 does not hold.
Invariant property smplace_1100 does not hold.
Invariant property smplace_1099 does not hold.
Invariant property smplace_1098 does not hold.
Invariant property smplace_1097 does not hold.
[2025-05-29 18:03:33] [INFO ] Computed 113 invariants in 55 ms
Invariant property smplace_1096 does not hold.
Invariant property smplace_1095 does not hold.
Invariant property smplace_1094 does not hold.
Invariant property smplace_1093 does not hold.
Invariant property smplace_1092 does not hold.
Invariant property smplace_1091 does not hold.
Invariant property smplace_1090 does not hold.
Invariant property smplace_1089 does not hold.
Invariant property smplace_1088 does not hold.
Invariant property smplace_1087 does not hold.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
Invariant property smplace_1086 does not hold.
Invariant property smplace_843 does not hold.
Invariant property smplace_837 does not hold.
Invariant property smplace_836 does not hold.
Invariant property smplace_825 does not hold.
Invariant property smplace_824 does not hold.
Invariant property smplace_789 does not hold.
Invariant property smplace_788 does not hold.
Invariant property smplace_787 does not hold.
Invariant property smplace_786 does not hold.
Invariant property smplace_785 does not hold.
Invariant property smplace_784 does not hold.
Invariant property smplace_783 does not hold.
Invariant property smplace_782 does not hold.
Invariant property smplace_781 does not hold.
Invariant property smplace_780 does not hold.
Invariant property smplace_779 does not hold.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/226 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/226 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (OVERLAPS) 26/252 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/252 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/252 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (OVERLAPS) 2/254 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 7 (OVERLAPS) 176/430 variables, 29/46 constraints. Problems are: Problem set: 0 solved, 226 unsolved
SDD proceeding with computation,1248 properties remain. new max is 2048
SDD size :5.81126e+11 after 3.19581e+15
At refinement iteration 8 (INCLUDED_ONLY) 0/430 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 9 (OVERLAPS) 40/470 variables, 10/56 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/470 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 11 (OVERLAPS) 1/471 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Invariant property smplace_1260 does not hold.
Invariant property smplace_1259 does not hold.
Invariant property smplace_1249 does not hold.
Invariant property smplace_1248 does not hold.
Invariant property smplace_1247 does not hold.
Invariant property smplace_1240 does not hold.
Invariant property smplace_1239 does not hold.
Invariant property smplace_1233 does not hold.
Invariant property smplace_1210 does not hold.
Invariant property smplace_1209 does not hold.
Invariant property smplace_1208 does not hold.
Invariant property smplace_1185 does not hold.
Invariant property smplace_1179 does not hold.
Invariant property smplace_1177 does not hold.
Invariant property smplace_1175 does not hold.
Invariant property smplace_1172 does not hold.
Invariant property smplace_1169 does not hold.
Invariant property smplace_1160 does not hold.
Invariant property smplace_1159 does not hold.
Invariant property smplace_1153 does not hold.
Invariant property smplace_1138 does not hold.
Invariant property smplace_1137 does not hold.
Invariant property smplace_1136 does not hold.
Invariant property smplace_1135 does not hold.
Invariant property smplace_1134 does not hold.
Invariant property smplace_1133 does not hold.
Invariant property smplace_1132 does not hold.
Invariant property smplace_1131 does not hold.
Invariant property smplace_1130 does not hold.
Invariant property smplace_1129 does not hold.
Invariant property smplace_1128 does not hold.
Invariant property smplace_1127 does not hold.
Invariant property smplace_1126 does not hold.
Invariant property smplace_1125 does not hold.
Invariant property smplace_1124 does not hold.
Invariant property smplace_1123 does not hold.
Invariant property smplace_1122 does not hold.
Invariant property smplace_1119 does not hold.
Invariant property smplace_1085 does not hold.
Invariant property smplace_1082 does not hold.
At refinement iteration 12 (INCLUDED_ONLY) 0/471 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 13 (OVERLAPS) 165/636 variables, 24/81 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Invariant property smplace_1021 does not hold.
Invariant property smplace_1020 does not hold.
At refinement iteration 14 (INCLUDED_ONLY) 0/636 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 15 (OVERLAPS) 48/684 variables, 6/87 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/684 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 17 (OVERLAPS) 69/753 variables, 24/111 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/753 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 19 (OVERLAPS) 1/754 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/754 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 21 (OVERLAPS) 1/755 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/755 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 23 (OVERLAPS) 1124/1879 variables, 755/868 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1879 variables, 0/868 constraints. Problems are: Problem set: 0 solved, 226 unsolved
SDD proceeding with computation,1206 properties remain. new max is 2048
SDD size :3.19581e+15 after 3.30295e+17
Invariant property smplace_1238 does not hold.
Invariant property smplace_1221 does not hold.
Invariant property smplace_1214 does not hold.
Invariant property smplace_1213 does not hold.
Invariant property smplace_1184 does not hold.
Invariant property smplace_1183 does not hold.
Invariant property smplace_1182 does not hold.
Invariant property smplace_1181 does not hold.
Invariant property smplace_1180 does not hold.
Invariant property smplace_1178 does not hold.
Invariant property smplace_1176 does not hold.
Invariant property smplace_1174 does not hold.
Invariant property smplace_1171 does not hold.
Invariant property smplace_1170 does not hold.
Invariant property smplace_1168 does not hold.
Invariant property smplace_1167 does not hold.
Invariant property smplace_1166 does not hold.
Invariant property smplace_1165 does not hold.
Invariant property smplace_1164 does not hold.
Invariant property smplace_1163 does not hold.
Invariant property smplace_1162 does not hold.
Invariant property smplace_1161 does not hold.
Invariant property smplace_1158 does not hold.
Invariant property smplace_1157 does not hold.
Invariant property smplace_1156 does not hold.
Invariant property smplace_1152 does not hold.
Invariant property smplace_1118 does not hold.
Invariant property smplace_1081 does not hold.
At refinement iteration 25 (OVERLAPS) 0/1879 variables, 0/868 constraints. Problems are: Problem set: 0 solved, 226 unsolved
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(t367 (/ 13.0 792.0))
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(t387 (/ 34.0 99.0))
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(t392 0.0)
(t393 0.0)
(t394 0.0)
(t395 0.0)
(t396 (/ 34.0 99.0))
(t397 0.0)
(t398 0.0)
(t399 (/ 34.0 99.0))
(t400 0.0)
(t401 0.0)
(t402 0.0)
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(t404 0.0)
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(t410 (/ 34.0 99.0))
(t411 0.0)timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
No progress, stopping.
After SMT solving in domain Real declared 1879/1879 variables, and 868 constraints, problems are : Problem set: 0 solved, 226 unsolved in 45027 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 86/86 constraints, State Equation: 755/755 constraints, PredecessorRefiner: 226/226 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/226 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/226 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 2 (OVERLAPS) 26/252 variables, 7/14 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/252 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/252 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 5 (OVERLAPS) 2/254 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 226 unsolved
SDD proceeding with computation,1178 properties remain. new max is 2048
At refinement iteration 6 (INCLUDED_ONLY) 0/254 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 226 unsolved
SDD size :3.30295e+17 after 1.45897e+18
At refinement iteration 7 (OVERLAPS) 176/430 variables, 29/46 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:04:25] [INFO ] Deduced a trap composed of 13 places in 132 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:04:25] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:04:26] [INFO ] Deduced a trap composed of 44 places in 128 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:04:26] [INFO ] Deduced a trap composed of 36 places in 83 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:04:26] [INFO ] Deduced a trap composed of 44 places in 81 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:04:27] [INFO ] Deduced a trap composed of 32 places in 152 ms of which 17 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/430 variables, 6/52 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:04:29] [INFO ] Deduced a trap composed of 83 places in 132 ms of which 22 ms to minimize.
Invariant property smplace_1516 does not hold.
Invariant property smplace_1361 does not hold.
Invariant property smplace_1360 does not hold.
Invariant property smplace_1359 does not hold.
Invariant property smplace_1358 does not hold.
Invariant property smplace_1357 does not hold.
Invariant property smplace_1330 does not hold.
Invariant property smplace_1232 does not hold.
Invariant property smplace_1231 does not hold.
Invariant property smplace_1230 does not hold.
Invariant property smplace_1229 does not hold.
Invariant property smplace_1228 does not hold.
Invariant property smplace_1220 does not hold.
Invariant property smplace_1080 does not hold.
Invariant property smplace_1079 does not hold.
Invariant property smplace_1078 does not hold.
At refinement iteration 9 (INCLUDED_ONLY) 0/430 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Invariant property smplace_1077 does not hold.
Invariant property smplace_1076 does not hold.
Invariant property smplace_1063 does not hold.
Invariant property smplace_1062 does not hold.
Invariant property smplace_1061 does not hold.
Invariant property smplace_1060 does not hold.
Invariant property smplace_1019 does not hold.
Invariant property smplace_979 does not hold.
Invariant property smplace_978 does not hold.
Invariant property smplace_945 does not hold.
At refinement iteration 10 (INCLUDED_ONLY) 0/430 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 11 (OVERLAPS) 40/470 variables, 10/63 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/470 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 13 (OVERLAPS) 1/471 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/471 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 15 (OVERLAPS) 165/636 variables, 24/88 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/636 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 226 unsolved
At refinement iteration 17 (OVERLAPS) 48/684 variables, 6/94 constraints. Problems are: Problem set: 0 solved, 226 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:04:56] [INFO ] Deduced a trap composed of 74 places in 130 ms of which 22 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/684 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 226 unsolved
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(s453 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 684/1879 variables, and 95 constraints, problems are : Problem set: 0 solved, 226 unsolved in 45014 ms.
Refiners :[Positive P Invariants (semi-flows): 26/27 constraints, Generalized P Invariants (flows): 61/86 constraints, State Equation: 0/755 constraints, PredecessorRefiner: 0/226 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90175ms problems are : Problem set: 0 solved, 226 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 226 out of 755 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 755/755 places, 1124/1124 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 755 transition count 1105
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 38 place count 736 transition count 1105
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 38 place count 736 transition count 1094
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 60 place count 725 transition count 1094
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 2 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 74 place count 718 transition count 1087
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 75 place count 718 transition count 1086
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 76 place count 717 transition count 1086
Applied a total of 76 rules in 61 ms. Remains 717 /755 variables (removed 38) and now considering 1086/1124 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61 ms. Remains : 717/755 places, 1086/1124 transitions.
SDD proceeding with computation,1152 properties remain. new max is 2048
SDD size :1.45897e+18 after 6.35201e+19
SDD proceeding with computation,1152 properties remain. new max is 4096
SDD size :6.35201e+19 after 6.36013e+19
Invariant property smplace_1018 does not hold.
Invariant property smplace_1017 does not hold.
SDD proceeding with computation,1150 properties remain. new max is 4096
SDD size :6.36013e+19 after 6.36545e+19
Invariant property smplace_1227 does not hold.
Invariant property smplace_944 does not hold.
Invariant property smplace_943 does not hold.
SDD proceeding with computation,1147 properties remain. new max is 4096
SDD size :6.36545e+19 after 6.38557e+19
RANDOM walk for 4000000 steps (57522 resets) in 87406 ms. (45 steps per ms) remains 223/226 properties
Invariant property smplace_1117 does not hold.
Invariant property smplace_1116 does not hold.
Invariant property smplace_1115 does not hold.
Invariant property smplace_1114 does not hold.
Invariant property smplace_1113 does not hold.
BEST_FIRST walk for 40003 steps (164 resets) in 287 ms. (138 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (155 resets) in 444 ms. (89 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (158 resets) in 303 ms. (131 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (157 resets) in 356 ms. (112 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (160 resets) in 354 ms. (112 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (166 resets) in 457 ms. (87 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (160 resets) in 461 ms. (86 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (154 resets) in 460 ms. (86 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (155 resets) in 327 ms. (121 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (151 resets) in 381 ms. (104 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (159 resets) in 302 ms. (132 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (171 resets) in 397 ms. (100 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (160 resets) in 422 ms. (94 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (156 resets) in 277 ms. (143 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (159 resets) in 309 ms. (129 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40001 steps (158 resets) in 327 ms. (121 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (165 resets) in 308 ms. (129 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (152 resets) in 375 ms. (106 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (159 resets) in 359 ms. (111 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (166 resets) in 393 ms. (101 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (156 resets) in 483 ms. (82 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (164 resets) in 398 ms. (100 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (151 resets) in 440 ms. (90 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (155 resets) in 385 ms. (103 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (153 resets) in 371 ms. (107 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (161 resets) in 319 ms. (125 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (157 resets) in 385 ms. (103 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (154 resets) in 373 ms. (106 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (154 resets) in 382 ms. (104 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (152 resets) in 387 ms. (103 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (159 resets) in 312 ms. (127 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (165 resets) in 432 ms. (92 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (153 resets) in 396 ms. (100 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (158 resets) in 351 ms. (113 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (162 resets) in 459 ms. (86 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (160 resets) in 336 ms. (118 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (158 resets) in 460 ms. (86 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (152 resets) in 357 ms. (111 steps per ms) remains 223/223 properties
SDD proceeding with computation,1142 properties remain. new max is 4096
SDD size :6.38557e+19 after 6.40705e+19
BEST_FIRST walk for 40004 steps (159 resets) in 365 ms. (109 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (159 resets) in 337 ms. (118 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (157 resets) in 345 ms. (115 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (157 resets) in 387 ms. (103 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (167 resets) in 306 ms. (130 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40002 steps (164 resets) in 313 ms. (127 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (162 resets) in 315 ms. (126 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (157 resets) in 389 ms. (102 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (150 resets) in 374 ms. (106 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40004 steps (151 resets) in 377 ms. (105 steps per ms) remains 223/223 properties
BEST_FIRST walk for 40003 steps (152 resets) in 429 ms. (93 steps per ms) remains 223/223 properties
Invariant property smplace_1106 does not hold.
Invariant property smplace_1105 does not hold.
Invariant property smplace_1104 does not hold.
Invariant property smplace_1103 does not hold.
BEST_FIRST walk for 40002 steps (162 resets) in 502 ms. (79 steps per ms) remains 223/223 properties
Invariant property smplace_982 does not hold.
Invariant property smplace_981 does not hold.
SDD proceeding with computation,1136 properties remain. new max is 4096
SDD size :6.40705e+19 after 6.40848e+19
SDD proceeding with computation,1136 properties remain. new max is 8192
SDD size :6.40848e+19 after 6.40866e+19
Invariant property smplace_1151 does not hold.
Invariant property smplace_1150 does not hold.
Invariant property smplace_1149 does not hold.
Invariant property smplace_1148 does not hold.
Invariant property smplace_1147 does not hold.
SDD proceeding with computation,1131 properties remain. new max is 8192
SDD size :6.40866e+19 after 6.41072e+19
Invariant property smplace_1356 does not hold.
Invariant property smplace_1355 does not hold.
Invariant property smplace_1354 does not hold.
Invariant property smplace_1226 does not hold.
Invariant property smplace_1225 does not hold.
Invariant property smplace_1224 does not hold.
Invariant property smplace_1223 does not hold.
Invariant property smplace_1222 does not hold.
Invariant property smplace_1143 does not hold.
Invariant property smplace_1142 does not hold.
Invariant property smplace_1141 does not hold.
Invariant property smplace_1140 does not hold.
Interrupted probabilistic random walk after 5477986 steps, run timeout after 84001 ms. (steps per millisecond=65 ) properties seen :33 out of 223
Probabilistic random walk after 5477986 steps, saw 1309491 distinct states, run finished after 84014 ms. (steps per millisecond=65 ) properties seen :33
// Phase 1: matrix 1086 rows 717 cols
[2025-05-29 18:06:56] [INFO ] Computed 113 invariants in 13 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
Invariant property smplace_985 does not hold.
Invariant property smplace_984 does not hold.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/190 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Invariant property smplace_942 does not hold.
At refinement iteration 1 (INCLUDED_ONLY) 0/190 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 4/194 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 66/260 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 48/308 variables, 6/36 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/308 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 9 (OVERLAPS) 1/309 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/309 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 11 (OVERLAPS) 108/417 variables, 19/56 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/417 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 13 (OVERLAPS) 26/443 variables, 4/60 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/443 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 15 (OVERLAPS) 2/445 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/445 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 17 (OVERLAPS) 109/554 variables, 14/76 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/554 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 19 (OVERLAPS) 73/627 variables, 8/84 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/627 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 21 (OVERLAPS) 9/636 variables, 1/85 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/636 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 23 (OVERLAPS) 79/715 variables, 26/111 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/715 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 25 (OVERLAPS) 1/716 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/716 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 27 (OVERLAPS) 1/717 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/717 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 29 (OVERLAPS) 1086/1803 variables, 717/830 constraints. Problems are: Problem set: 0 solved, 190 unsolved
SDD proceeding with computation,1116 properties remain. new max is 8192
SDD size :6.41072e+19 after 6.98194e+19
At refinement iteration 30 (INCLUDED_ONLY) 0/1803 variables, 0/830 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 31 (OVERLAPS) 0/1803 variables, 0/830 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1803/1803 variables, and 830 constraints, problems are : Problem set: 0 solved, 190 unsolved in 46590 ms.
Refiners :[Positive P Invariants (semi-flows): 29/29 constraints, Generalized P Invariants (flows): 84/84 constraints, State Equation: 717/717 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/190 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/190 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 4/194 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Invariant property smplace_1353 does not hold.
Invariant property smplace_1352 does not hold.
Invariant property smplace_1351 does not hold.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 66/260 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:07:46] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:07:46] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:07:47] [INFO ] Deduced a trap composed of 83 places in 115 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:07:47] [INFO ] Deduced a trap composed of 44 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:07:47] [INFO ] Deduced a trap composed of 32 places in 102 ms of which 9 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/260 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 8 (OVERLAPS) 48/308 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/308 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 10 (OVERLAPS) 1/309 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Invariant property smplace_941 does not hold.
Invariant property smplace_940 does not hold.
Invariant property smplace_939 does not hold.
At refinement iteration 11 (INCLUDED_ONLY) 0/309 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 12 (OVERLAPS) 108/417 variables, 19/61 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:07:55] [INFO ] Deduced a trap composed of 34 places in 133 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:07:57] [INFO ] Deduced a trap composed of 44 places in 161 ms of which 36 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/417 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/417 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 15 (OVERLAPS) 26/443 variables, 4/67 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/443 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 17 (OVERLAPS) 2/445 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/445 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 19 (OVERLAPS) 109/554 variables, 14/83 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/554 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 21 (OVERLAPS) 73/627 variables, 8/91 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/627 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 23 (OVERLAPS) 9/636 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/636 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 25 (OVERLAPS) 79/715 variables, 26/118 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/715 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 27 (OVERLAPS) 1/716 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/716 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 29 (OVERLAPS) 1/717 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:08:43] [INFO ] Deduced a trap composed of 68 places in 188 ms of which 59 ms to minimize.
At refinement iteration 30 (INCLUDED_ONLY) 0/717 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/717 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 32 (OVERLAPS) 1086/1803 variables, 717/838 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/1803 variables, 190/1028 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1803/1803 variables, and 1028 constraints, problems are : Problem set: 0 solved, 190 unsolved in 75023 ms.
Refiners :[Positive P Invariants (semi-flows): 29/29 constraints, Generalized P Invariants (flows): 84/84 constraints, State Equation: 717/717 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 121661ms problems are : Problem set: 0 solved, 190 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 190 out of 717 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 717/717 places, 1086/1086 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 717 transition count 1070
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 701 transition count 1070
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 32 place count 701 transition count 1063
Deduced a syphon composed of 7 places in 1 ms
Ensure Unique test removed 1 places
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 15 rules applied. Total rules applied 47 place count 693 transition count 1063
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 47 place count 693 transition count 1062
Deduced a syphon composed of 1 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 50 place count 691 transition count 1062
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 50 place count 691 transition count 1061
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 52 place count 690 transition count 1061
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 54 place count 689 transition count 1060
Applied a total of 54 rules in 48 ms. Remains 689 /717 variables (removed 28) and now considering 1060/1086 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 689/717 places, 1060/1086 transitions.
RANDOM walk for 4000000 steps (57660 resets) in 97018 ms. (41 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (163 resets) in 356 ms. (112 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (152 resets) in 331 ms. (120 steps per ms) remains 190/190 properties
SDD proceeding with computation,1110 properties remain. new max is 8192
BEST_FIRST walk for 40002 steps (141 resets) in 383 ms. (104 steps per ms) remains 190/190 properties
SDD size :6.98194e+19 after 7.15508e+19
BEST_FIRST walk for 40003 steps (159 resets) in 417 ms. (95 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (156 resets) in 329 ms. (121 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (164 resets) in 371 ms. (107 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (164 resets) in 342 ms. (116 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (149 resets) in 267 ms. (149 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40000 steps (165 resets) in 302 ms. (132 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (152 resets) in 388 ms. (102 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (155 resets) in 363 ms. (109 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (147 resets) in 312 ms. (127 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (152 resets) in 322 ms. (123 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (159 resets) in 388 ms. (102 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (150 resets) in 375 ms. (106 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (156 resets) in 282 ms. (141 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (158 resets) in 329 ms. (121 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (165 resets) in 381 ms. (104 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (165 resets) in 313 ms. (127 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (162 resets) in 481 ms. (82 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (158 resets) in 426 ms. (93 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (156 resets) in 348 ms. (114 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (158 resets) in 325 ms. (122 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (157 resets) in 349 ms. (114 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (153 resets) in 351 ms. (113 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (162 resets) in 289 ms. (137 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (145 resets) in 261 ms. (152 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (158 resets) in 397 ms. (100 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (158 resets) in 453 ms. (88 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (152 resets) in 282 ms. (141 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (168 resets) in 276 ms. (144 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (157 resets) in 320 ms. (124 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40001 steps (157 resets) in 387 ms. (103 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (172 resets) in 316 ms. (126 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (157 resets) in 399 ms. (100 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (164 resets) in 341 ms. (116 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (151 resets) in 342 ms. (116 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (172 resets) in 335 ms. (119 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (163 resets) in 431 ms. (92 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (152 resets) in 346 ms. (115 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40000 steps (151 resets) in 331 ms. (120 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (152 resets) in 319 ms. (125 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (149 resets) in 330 ms. (120 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (157 resets) in 272 ms. (146 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (166 resets) in 364 ms. (109 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (155 resets) in 350 ms. (113 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40003 steps (155 resets) in 343 ms. (116 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (160 resets) in 378 ms. (105 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40002 steps (156 resets) in 346 ms. (115 steps per ms) remains 190/190 properties
BEST_FIRST walk for 40004 steps (158 resets) in 309 ms. (129 steps per ms) remains 190/190 properties
Invariant property smplace_938 does not hold.
Invariant property smplace_937 does not hold.
Interrupted probabilistic random walk after 6086696 steps, run timeout after 93001 ms. (steps per millisecond=65 ) properties seen :0 out of 190
Probabilistic random walk after 6086696 steps, saw 1634553 distinct states, run finished after 93001 ms. (steps per millisecond=65 ) properties seen :0
// Phase 1: matrix 1060 rows 689 cols
[2025-05-29 18:11:03] [INFO ] Computed 111 invariants in 9 ms
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/190 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/190 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 4/194 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 66/260 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 32/292 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/292 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 9 (OVERLAPS) 1/293 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/293 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 11 (OVERLAPS) 98/391 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/391 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 13 (OVERLAPS) 26/417 variables, 4/57 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/417 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 15 (OVERLAPS) 2/419 variables, 2/59 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/419 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 17 (OVERLAPS) 107/526 variables, 15/74 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/526 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 19 (OVERLAPS) 59/585 variables, 7/81 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/585 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 21 (OVERLAPS) 8/593 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/593 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 23 (OVERLAPS) 94/687 variables, 27/109 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/687 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 25 (OVERLAPS) 1/688 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/688 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 27 (OVERLAPS) 1/689 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/689 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 29 (OVERLAPS) 1060/1749 variables, 689/800 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1749 variables, 0/800 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 31 (OVERLAPS) 0/1749 variables, 0/800 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1749/1749 variables, and 800 constraints, problems are : Problem set: 0 solved, 190 unsolved in 43902 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 84/84 constraints, State Equation: 689/689 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/190 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/190 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 4/194 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 66/260 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:50] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:50] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:50] [INFO ] Deduced a trap composed of 83 places in 104 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:51] [INFO ] Deduced a trap composed of 44 places in 61 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:51] [INFO ] Deduced a trap composed of 44 places in 58 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:51] [INFO ] Deduced a trap composed of 32 places in 114 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/260 variables, 6/36 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:11:53] [INFO ] Deduced a trap composed of 68 places in 113 ms of which 20 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/260 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/260 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 9 (OVERLAPS) 32/292 variables, 5/42 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/292 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 11 (OVERLAPS) 1/293 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/293 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 13 (OVERLAPS) 98/391 variables, 17/60 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:12:01] [INFO ] Deduced a trap composed of 34 places in 149 ms of which 20 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/391 variables, 1/61 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/391 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 16 (OVERLAPS) 26/417 variables, 4/65 constraints. Problems are: Problem set: 0 solved, 190 unsolved
SDD proceeding with computation,1108 properties remain. new max is 8192
SDD size :7.15508e+19 after 7.17403e+19
At refinement iteration 17 (INCLUDED_ONLY) 0/417 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 18 (OVERLAPS) 2/419 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Invariant property smplace_1350 does not hold.
Invariant property smplace_1349 does not hold.
Invariant property smplace_1348 does not hold.
At refinement iteration 19 (INCLUDED_ONLY) 0/419 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 20 (OVERLAPS) 107/526 variables, 15/82 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Invariant property smplace_936 does not hold.
At refinement iteration 21 (INCLUDED_ONLY) 0/526 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 22 (OVERLAPS) 59/585 variables, 7/89 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/585 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 24 (OVERLAPS) 8/593 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/593 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 26 (OVERLAPS) 94/687 variables, 27/117 constraints. Problems are: Problem set: 0 solved, 190 unsolved
SDD proceeding with computation,1104 properties remain. new max is 8192
SDD size :7.17403e+19 after 7.34831e+19
At refinement iteration 27 (INCLUDED_ONLY) 0/687 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 28 (OVERLAPS) 1/688 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/688 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 30 (OVERLAPS) 1/689 variables, 1/119 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Invariant property smplace_1347 does not hold.
Invariant property smplace_1346 does not hold.
Invariant property smplace_1345 does not hold.
At refinement iteration 31 (INCLUDED_ONLY) 0/689 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 32 (OVERLAPS) 1060/1749 variables, 689/808 constraints. Problems are: Problem set: 0 solved, 190 unsolved
Detected timeout of ITS tools.
[2025-05-29 18:12:53] [INFO ] Flatten gal took : 97 ms
[2025-05-29 18:12:53] [INFO ] Applying decomposition
[2025-05-29 18:12:54] [INFO ] Flatten gal took : 73 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9944977617078987404.txt' '-o' '/tmp/graph9944977617078987404.bin' '-w' '/tmp/graph9944977617078987404.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9944977617078987404.bin' '-l' '-1' '-v' '-w' '/tmp/graph9944977617078987404.weights' '-q' '0' '-e' '0.001'
[2025-05-29 18:12:54] [INFO ] Decomposing Gal with order
[2025-05-29 18:12:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-29 18:12:54] [INFO ] Removed a total of 1621 redundant transitions.
[2025-05-29 18:12:54] [INFO ] Flatten gal took : 181 ms
[2025-05-29 18:12:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 16 labels/synchronizations in 34 ms.
[2025-05-29 18:12:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6752587953932972033.gal : 31 ms
[2025-05-29 18:12:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16640168767215843714.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/ReachabilityCardinality6752587953932972033.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16640168767215843714.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/ReachabilityCardinality16640168767215843714.prop.
SDD proceeding with computation,190 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,190 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,190 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,190 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,190 properties remain. new max is 64
SDD size :1 after 444
SDD proceeding with computation,190 properties remain. new max is 128
SDD size :444 after 5.26857e+10
SDD proceeding with computation,190 properties remain. new max is 256
SDD size :5.26857e+10 after 2.68206e+20
Invariant property smplace_462 does not hold.
Invariant property smplace_461 does not hold.
Invariant property smplace_460 does not hold.
Invariant property smplace_459 does not hold.
Invariant property smplace_458 does not hold.
Invariant property smplace_457 does not hold.
Invariant property smplace_456 does not hold.
Invariant property smplace_455 does not hold.
Invariant property smplace_454 does not hold.
Invariant property smplace_447 does not hold.
Invariant property smplace_446 does not hold.
Invariant property smplace_445 does not hold.
Invariant property smplace_431 does not hold.
Invariant property smplace_430 does not hold.
Invariant property smplace_429 does not hold.
Invariant property smplace_424 does not hold.
Invariant property smplace_423 does not hold.
Invariant property smplace_421 does not hold.
Invariant property smplace_420 does not hold.
Invariant property smplace_419 does not hold.
Invariant property smplace_418 does not hold.
Invariant property smplace_417 does not hold.
Invariant property smplace_416 does not hold.
Invariant property smplace_411 does not hold.
Invariant property smplace_410 does not hold.
Invariant property smplace_409 does not hold.
Invariant property smplace_408 does not hold.
Invariant property smplace_407 does not hold.
Invariant property smplace_406 does not hold.
Invariant property smplace_405 does not hold.
Invariant property smplace_404 does not hold.
Invariant property smplace_403 does not hold.
Invariant property smplace_251 does not hold.
Invariant property smplace_250 does not hold.
Invariant property smplace_249 does not hold.
Invariant property smplace_248 does not hold.
Invariant property smplace_247 does not hold.
Invariant property smplace_246 does not hold.
Invariant property smplace_245 does not hold.
Invariant property smplace_244 does not hold.
Invariant property smplace_243 does not hold.
Invariant property smplace_220 does not hold.
Invariant property smplace_219 does not hold.
Invariant property smplace_218 does not hold.
Invariant property smplace_217 does not hold.
Invariant property smplace_216 does not hold.
Invariant property smplace_215 does not hold.
Invariant property smplace_214 does not hold.
Invariant property smplace_213 does not hold.
Invariant property smplace_212 does not hold.
Invariant property smplace_211 does not hold.
Invariant property smplace_210 does not hold.
Invariant property smplace_209 does not hold.
Invariant property smplace_208 does not hold.
Invariant property smplace_207 does not hold.
Invariant property smplace_206 does not hold.
Invariant property smplace_205 does not hold.
Invariant property smplace_204 does not hold.
Invariant property smplace_203 does not hold.
Invariant property smplace_202 does not hold.
Invariant property smplace_201 does not hold.
Invariant property smplace_200 does not hold.
Invariant property smplace_199 does not hold.
Invariant property smplace_183 does not hold.
Invariant property smplace_182 does not hold.
Invariant property smplace_181 does not hold.
Invariant property smplace_180 does not hold.
Invariant property smplace_179 does not hold.
Invariant property smplace_178 does not hold.
Invariant property smplace_177 does not hold.
Invariant property smplace_176 does not hold.
Invariant property smplace_175 does not hold.
Invariant property smplace_174 does not hold.
Invariant property smplace_173 does not hold.
Invariant property smplace_172 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_170 does not hold.
Invariant property smplace_169 does not hold.
Invariant property smplace_168 does not hold.
Invariant property smplace_167 does not hold.
Invariant property smplace_166 does not hold.
Invariant property smplace_165 does not hold.
Invariant property smplace_164 does not hold.
Invariant property smplace_163 does not hold.
Invariant property smplace_162 does not hold.
Invariant property smplace_161 does not hold.
Invariant property smplace_160 does not hold.
Invariant property smplace_159 does not hold.
Invariant property smplace_158 does not hold.
Invariant property smplace_157 does not hold.
Invariant property smplace_90 does not hold.
Invariant property smplace_89 does not hold.
Invariant property smplace_88 does not hold.
Invariant property smplace_78 does not hold.
Invariant property smplace_77 does not hold.
Invariant property smplace_76 does not hold.
Invariant property smplace_75 does not hold.
Invariant property smplace_74 does not hold.
Invariant property smplace_73 does not hold.
Invariant property smplace_72 does not hold.
Invariant property smplace_71 does not hold.
Invariant property smplace_70 does not hold.
Invariant property smplace_69 does not hold.
Invariant property smplace_68 does not hold.
Invariant property smplace_67 does not hold.
Invariant property smplace_64 does not hold.
Invariant property smplace_63 does not hold.
Invariant property smplace_62 does not hold.
Invariant property smplace_61 does not hold.
Invariant property smplace_60 does not hold.
Invariant property smplace_58 does not hold.
Invariant property smplace_57 does not hold.
Invariant property smplace_56 does not hold.
Invariant property smplace_55 does not hold.
Invariant property smplace_54 does not hold.
Invariant property smplace_50 does not hold.
Invariant property smplace_49 does not hold.
Invariant property smplace_48 does not hold.
Invariant property smplace_47 does not hold.
Invariant property smplace_46 does not hold.
Invariant property smplace_45 does not hold.
Invariant property smplace_41 does not hold.
Invariant property smplace_40 does not hold.
Invariant property smplace_39 does not hold.
Invariant property smplace_38 does not hold.
Invariant property smplace_37 does not hold.
Invariant property smplace_36 does not hold.
Invariant property smplace_35 does not hold.
Invariant property smplace_34 does not hold.
Invariant property smplace_33 does not hold.
Invariant property smplace_32 does not hold.
Invariant property smplace_31 does not hold.
Invariant property smplace_30 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_28 does not hold.
Invariant property smplace_27 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_24 does not hold.
Invariant property smplace_23 does not hold.
Invariant property smplace_22 does not hold.
Invariant property smplace_21 does not hold.
Invariant property smplace_20 does not hold.
Invariant property smplace_19 does not hold.
Invariant property smplace_18 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_15 does not hold.
Invariant property smplace_14 does not hold.
Invariant property smplace_13 does not hold.
Invariant property smplace_12 does not hold.
Invariant property smplace_11 does not hold.
Invariant property smplace_10 does not hold.
Invariant property smplace_9 does not hold.
Invariant property smplace_8 does not hold.
Invariant property smplace_7 does not hold.
SDD proceeding with computation,34 properties remain. new max is 256
SDD size :2.68206e+20 after 1.2907e+22
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1749/1749 variables, and 998 constraints, problems are : Problem set: 156 solved, 34 unsolved in 90016 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, Generalized P Invariants (flows): 84/84 constraints, State Equation: 689/689 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 133961ms problems are : Problem set: 156 solved, 34 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 34 out of 689 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 689/689 places, 1060/1060 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 18 place count 689 transition count 1042
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 36 place count 671 transition count 1042
Performed 43 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 43 Pre rules applied. Total rules applied 36 place count 671 transition count 999
Deduced a syphon composed of 43 places in 1 ms
Ensure Unique test removed 4 places
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 2 with 90 rules applied. Total rules applied 126 place count 624 transition count 999
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 5 rules applied. Total rules applied 131 place count 623 transition count 995
Reduce places removed 4 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 6 rules applied. Total rules applied 137 place count 618 transition count 994
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 138 place count 617 transition count 994
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 142 place count 613 transition count 990
Iterating global reduction 5 with 4 rules applied. Total rules applied 146 place count 613 transition count 990
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 174 place count 598 transition count 977
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 5 with 1 rules applied. Total rules applied 175 place count 598 transition count 976
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 176 place count 597 transition count 976
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 3 Pre rules applied. Total rules applied 176 place count 597 transition count 973
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 182 place count 594 transition count 973
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 7 with 1 rules applied. Total rules applied 183 place count 593 transition count 973
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 185 place count 591 transition count 966
Ensure Unique test removed 1 places
Iterating global reduction 8 with 3 rules applied. Total rules applied 188 place count 590 transition count 966
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 8 with 1 rules applied. Total rules applied 189 place count 589 transition count 966
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 190 place count 588 transition count 965
Iterating global reduction 9 with 1 rules applied. Total rules applied 191 place count 588 transition count 965
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 2 rules applied. Total rules applied 193 place count 588 transition count 963
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 194 place count 587 transition count 963
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 11 with 6 rules applied. Total rules applied 200 place count 584 transition count 960
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 202 place count 582 transition count 958
Iterating global reduction 11 with 2 rules applied. Total rules applied 204 place count 582 transition count 958
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 205 place count 581 transition count 957
Iterating global reduction 11 with 1 rules applied. Total rules applied 206 place count 581 transition count 957
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 207 place count 581 transition count 956
Free-agglomeration rule applied 1 times.
Iterating global reduction 12 with 1 rules applied. Total rules applied 208 place count 581 transition count 955
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 209 place count 580 transition count 955
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 13 with 1 rules applied. Total rules applied 210 place count 580 transition count 954
Reduce places removed 1 places and 0 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 13 with 2 rules applied. Total rules applied 212 place count 578 transition count 954
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 14 with 1 Pre rules applied. Total rules applied 212 place count 578 transition count 953
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 14 with 2 rules applied. Total rules applied 214 place count 577 transition count 953
Applied a total of 214 rules in 255 ms. Remains 577 /689 variables (removed 112) and now considering 953/1060 (removed 107) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 256 ms. Remains : 577/689 places, 953/1060 transitions.
RANDOM walk for 4000000 steps (55997 resets) in 29859 ms. (133 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1548 resets) in 1095 ms. (364 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1505 resets) in 1375 ms. (290 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1554 resets) in 1187 ms. (336 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1552 resets) in 1255 ms. (318 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1558 resets) in 1171 ms. (341 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1559 resets) in 1118 ms. (357 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1592 resets) in 1065 ms. (375 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1535 resets) in 1172 ms. (341 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1527 resets) in 1017 ms. (392 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1539 resets) in 1018 ms. (392 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400000 steps (1528 resets) in 989 ms. (404 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1534 resets) in 1246 ms. (320 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1571 resets) in 1054 ms. (379 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (1558 resets) in 1113 ms. (359 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1566 resets) in 1036 ms. (385 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1574 resets) in 1203 ms. (332 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1493 resets) in 1045 ms. (382 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (1541 resets) in 953 ms. (419 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1568 resets) in 1147 ms. (348 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1581 resets) in 1126 ms. (354 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1561 resets) in 1134 ms. (352 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1527 resets) in 1243 ms. (321 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1528 resets) in 994 ms. (402 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1564 resets) in 1176 ms. (339 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1552 resets) in 1019 ms. (392 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1575 resets) in 1101 ms. (362 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1552 resets) in 1224 ms. (326 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1547 resets) in 1197 ms. (333 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (1574 resets) in 1008 ms. (396 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (1527 resets) in 1066 ms. (374 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (1544 resets) in 999 ms. (400 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (1542 resets) in 1012 ms. (394 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1572 resets) in 1053 ms. (379 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (1520 resets) in 1280 ms. (312 steps per ms) remains 34/34 properties
Interrupted probabilistic random walk after 4450299 steps, run timeout after 66001 ms. (steps per millisecond=67 ) properties seen :0 out of 34
Probabilistic random walk after 4450299 steps, saw 1214587 distinct states, run finished after 66001 ms. (steps per millisecond=67 ) properties seen :0
// Phase 1: matrix 953 rows 577 cols
[2025-05-29 18:14:46] [INFO ] Computed 99 invariants in 7 ms
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 1 (OVERLAPS) 20/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 3 (OVERLAPS) 2/56 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 109/165 variables, 17/21 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/165 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 7 (OVERLAPS) 26/191 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 9 (OVERLAPS) 1/192 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/192 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 11 (OVERLAPS) 87/279 variables, 15/41 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/279 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 13 (OVERLAPS) 26/305 variables, 4/45 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/305 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 15 (OVERLAPS) 2/307 variables, 2/47 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/307 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 17 (OVERLAPS) 107/414 variables, 15/62 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/414 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 19 (OVERLAPS) 59/473 variables, 7/69 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/473 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 21 (OVERLAPS) 9/482 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/482 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 23 (OVERLAPS) 93/575 variables, 27/97 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/575 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 25 (OVERLAPS) 1/576 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/576 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 27 (OVERLAPS) 1/577 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/577 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 29 (OVERLAPS) 953/1530 variables, 577/676 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1530 variables, 0/676 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 31 (OVERLAPS) 0/1530 variables, 0/676 constraints. Problems are: Problem set: 0 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1530/1530 variables, and 676 constraints, problems are : Problem set: 0 solved, 34 unsolved in 4787 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, Generalized P Invariants (flows): 75/75 constraints, State Equation: 577/577 constraints, PredecessorRefiner: 34/34 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 34 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 1 (OVERLAPS) 20/54 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 3 (OVERLAPS) 2/56 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 5 (OVERLAPS) 109/165 variables, 17/21 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/165 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 7 (OVERLAPS) 26/191 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/191 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 9 (OVERLAPS) 1/192 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/192 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 11 (OVERLAPS) 87/279 variables, 15/41 constraints. Problems are: Problem set: 0 solved, 34 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:52] [INFO ] Deduced a trap composed of 41 places in 86 ms of which 10 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/279 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/279 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 14 (OVERLAPS) 26/305 variables, 4/46 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/305 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 16 (OVERLAPS) 2/307 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/307 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 18 (OVERLAPS) 107/414 variables, 15/63 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/414 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 20 (OVERLAPS) 59/473 variables, 7/70 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/473 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 22 (OVERLAPS) 9/482 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/482 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 24 (OVERLAPS) 93/575 variables, 27/98 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/575 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 26 (OVERLAPS) 1/576 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/576 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 28 (OVERLAPS) 1/577 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/577 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 30 (OVERLAPS) 953/1530 variables, 577/677 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/1530 variables, 34/711 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/1530 variables, 0/711 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 33 (OVERLAPS) 0/1530 variables, 0/711 constraints. Problems are: Problem set: 0 solved, 34 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1530/1530 variables, and 711 constraints, problems are : Problem set: 0 solved, 34 unsolved in 12484 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, Generalized P Invariants (flows): 75/75 constraints, State Equation: 577/577 constraints, PredecessorRefiner: 34/34 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17301ms problems are : Problem set: 0 solved, 34 unsolved
Fused 34 Parikh solutions to 29 different solutions.
Parikh walk visited 0 properties in 1901 ms.
Support contains 34 out of 577 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 577/577 places, 953/953 transitions.
Applied a total of 0 rules in 16 ms. Remains 577 /577 variables (removed 0) and now considering 953/953 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 577/577 places, 953/953 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 577/577 places, 953/953 transitions.
Applied a total of 0 rules in 15 ms. Remains 577 /577 variables (removed 0) and now considering 953/953 (removed 0) transitions.
[2025-05-29 18:15:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:15:06] [INFO ] Implicit Places using invariants in 639 ms returned [0, 18, 19, 32, 50, 68, 89, 173, 174, 176, 193, 211, 280, 284, 285, 296, 297, 299, 316, 334, 403, 407, 408, 411, 422, 423, 424, 442, 444, 448, 466, 467, 468, 469, 481, 487, 493, 499, 505, 511, 517, 523, 529, 535, 541]
[2025-05-29 18:15:06] [INFO ] Actually due to overlaps returned [442, 424, 50, 176, 193, 316, 448, 299, 32, 173, 296, 422, 466, 174, 297, 423, 444, 467, 0, 19, 284, 285, 407, 408, 211, 334, 468, 511, 529, 541, 18, 68, 89, 411, 469, 481, 487, 493, 499, 505, 517, 523, 535]
Discarding 43 places :
Implicit Place search using SMT only with invariants took 647 ms to find 43 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 534/577 places, 953/953 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 74 transitions
Trivial Post-agglo rules discarded 74 transitions
Performed 74 trivial Post agglomeration. Transition count delta: 74
Iterating post reduction 0 with 76 rules applied. Total rules applied 76 place count 532 transition count 879
Reduce places removed 74 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 76 rules applied. Total rules applied 152 place count 458 transition count 877
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 152 place count 458 transition count 859
Deduced a syphon composed of 18 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 37 rules applied. Total rules applied 189 place count 439 transition count 859
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 2 with 12 rules applied. Total rules applied 201 place count 435 transition count 851
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 209 place count 427 transition count 851
Discarding 15 places :
Symmetric choice reduction at 4 with 15 rule applications. Total rules 224 place count 412 transition count 836
Iterating global reduction 4 with 15 rules applied. Total rules applied 239 place count 412 transition count 836
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 242 place count 412 transition count 833
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 242 place count 412 transition count 832
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 244 place count 411 transition count 832
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 247 place count 408 transition count 826
Iterating global reduction 5 with 3 rules applied. Total rules applied 250 place count 408 transition count 826
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 251 place count 407 transition count 825
Iterating global reduction 5 with 1 rules applied. Total rules applied 252 place count 407 transition count 825
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 253 place count 406 transition count 823
Iterating global reduction 5 with 1 rules applied. Total rules applied 254 place count 406 transition count 823
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 5 with 58 rules applied. Total rules applied 312 place count 377 transition count 794
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 313 place count 377 transition count 793
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 315 place count 375 transition count 791
Iterating global reduction 6 with 2 rules applied. Total rules applied 317 place count 375 transition count 791
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 319 place count 375 transition count 789
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 323 place count 373 transition count 790
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 7 with 7 rules applied. Total rules applied 330 place count 373 transition count 783
Ensure Unique test removed 1 places
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 7 with 8 rules applied. Total rules applied 338 place count 365 transition count 783
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 8 with 9 rules applied. Total rules applied 347 place count 365 transition count 783
Applied a total of 347 rules in 110 ms. Remains 365 /534 variables (removed 169) and now considering 783/953 (removed 170) transitions.
// Phase 1: matrix 783 rows 365 cols
[2025-05-29 18:15:06] [INFO ] Computed 48 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:15:06] [INFO ] Implicit Places using invariants in 305 ms returned [112, 118, 121, 123, 134, 135, 187, 204, 210, 213, 215, 220, 221, 273, 290, 296, 299, 301]
[2025-05-29 18:15:06] [INFO ] Actually due to overlaps returned [134, 220, 135, 221, 112, 118, 123, 204, 210, 215, 290, 296, 301, 187, 273]
Discarding 15 places :
Implicit Place search using SMT only with invariants took 309 ms to find 15 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 350/577 places, 783/953 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 338 transition count 771
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 338 transition count 771
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 27 place count 335 transition count 768
Iterating global reduction 0 with 3 rules applied. Total rules applied 30 place count 335 transition count 768
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 40 place count 330 transition count 763
Free-agglomeration rule applied 9 times.
Iterating global reduction 0 with 9 rules applied. Total rules applied 49 place count 330 transition count 754
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 58 place count 321 transition count 754
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 60 place count 321 transition count 752
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 62 place count 319 transition count 752
Applied a total of 62 rules in 96 ms. Remains 319 /350 variables (removed 31) and now considering 752/783 (removed 31) transitions.
// Phase 1: matrix 752 rows 319 cols
[2025-05-29 18:15:06] [INFO ] Computed 33 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:15:06] [INFO ] Implicit Places using invariants in 310 ms returned []
[2025-05-29 18:15:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:15:07] [INFO ] Implicit Places using invariants and state equation in 631 ms returned []
Implicit Place search using SMT with State Equation took 959 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 319/577 places, 752/953 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 2136 ms. Remains : 319/577 places, 752/953 transitions.
RANDOM walk for 4000000 steps (86583 resets) in 35909 ms. (111 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2787 resets) in 1147 ms. (348 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (2777 resets) in 1167 ms. (342 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (2793 resets) in 995 ms. (401 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (2765 resets) in 1190 ms. (335 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (2736 resets) in 1038 ms. (384 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (2726 resets) in 1327 ms. (301 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2748 resets) in 1055 ms. (378 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (2756 resets) in 1162 ms. (343 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2772 resets) in 1091 ms. (366 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2807 resets) in 1129 ms. (353 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2734 resets) in 1008 ms. (396 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2744 resets) in 967 ms. (413 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (2740 resets) in 1037 ms. (385 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (2794 resets) in 1168 ms. (342 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (2694 resets) in 1224 ms. (326 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2798 resets) in 962 ms. (415 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2723 resets) in 1151 ms. (347 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2726 resets) in 1041 ms. (383 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (2763 resets) in 1100 ms. (363 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2776 resets) in 1108 ms. (360 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (2759 resets) in 1040 ms. (384 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2799 resets) in 1025 ms. (389 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (2762 resets) in 1224 ms. (326 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2794 resets) in 1032 ms. (387 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (2755 resets) in 1102 ms. (362 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400001 steps (2784 resets) in 1250 ms. (319 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (2831 resets) in 1228 ms. (325 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (2757 resets) in 1265 ms. (315 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (2752 resets) in 1215 ms. (328 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2745 resets) in 1235 ms. (323 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (2805 resets) in 1101 ms. (362 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2742 resets) in 996 ms. (401 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400002 steps (2727 resets) in 1090 ms. (366 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400003 steps (2795 resets) in 1017 ms. (392 steps per ms) remains 34/34 properties
Interrupted probabilistic random walk after 8436278 steps, run timeout after 72001 ms. (steps per millisecond=117 ) properties seen :8 out of 34
Probabilistic random walk after 8436278 steps, saw 2370851 distinct states, run finished after 72001 ms. (steps per millisecond=117 ) properties seen :8
[2025-05-29 18:16:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 11/37 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 7/44 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 13/57 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/57 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 161/218 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/218 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 17/235 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/235 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 60/295 variables, 8/29 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/295 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 22/317 variables, 3/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/317 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (OVERLAPS) 2/319 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/319 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (OVERLAPS) 752/1071 variables, 319/352 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1071 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (OVERLAPS) 0/1071 variables, 0/352 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1071/1071 variables, and 352 constraints, problems are : Problem set: 0 solved, 26 unsolved in 1594 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 319/319 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 11/37 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 7/44 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/44 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 13/57 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/57 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 161/218 variables, 12/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/218 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 17/235 variables, 3/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/235 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 60/295 variables, 8/29 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/295 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 22/317 variables, 3/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/317 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (OVERLAPS) 2/319 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/319 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (OVERLAPS) 752/1071 variables, 319/352 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1071 variables, 26/378 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1071 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (OVERLAPS) 0/1071 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1071/1071 variables, and 378 constraints, problems are : Problem set: 0 solved, 26 unsolved in 4286 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 23/23 constraints, State Equation: 319/319 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5890ms problems are : Problem set: 0 solved, 26 unsolved
Fused 26 Parikh solutions to 23 different solutions.
Parikh walk visited 0 properties in 1813 ms.
Support contains 26 out of 319 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 319/319 places, 752/752 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 319 transition count 748
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 315 transition count 748
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 16 place count 311 transition count 744
Applied a total of 16 rules in 16 ms. Remains 311 /319 variables (removed 8) and now considering 744/752 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 311/319 places, 744/752 transitions.
RANDOM walk for 4000000 steps (86119 resets) in 23401 ms. (170 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2776 resets) in 921 ms. (433 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2750 resets) in 1041 ms. (383 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2794 resets) in 1100 ms. (363 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2757 resets) in 992 ms. (402 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2739 resets) in 1025 ms. (389 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2746 resets) in 1109 ms. (360 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2761 resets) in 1081 ms. (369 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2745 resets) in 1121 ms. (356 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2757 resets) in 871 ms. (458 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2771 resets) in 1078 ms. (370 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2774 resets) in 1022 ms. (391 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2730 resets) in 1004 ms. (398 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2799 resets) in 891 ms. (448 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2702 resets) in 1034 ms. (386 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2777 resets) in 1400 ms. (285 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2797 resets) in 1200 ms. (333 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2746 resets) in 1338 ms. (298 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400000 steps (2706 resets) in 1262 ms. (316 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2766 resets) in 1287 ms. (310 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2765 resets) in 1222 ms. (327 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2729 resets) in 1199 ms. (333 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2734 resets) in 1089 ms. (366 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2701 resets) in 1114 ms. (358 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2783 resets) in 1069 ms. (373 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2762 resets) in 1156 ms. (345 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2767 resets) in 1140 ms. (350 steps per ms) remains 26/26 properties
Interrupted probabilistic random walk after 4664135 steps, run timeout after 51001 ms. (steps per millisecond=91 ) properties seen :0 out of 26
Probabilistic random walk after 4664135 steps, saw 1740329 distinct states, run finished after 51003 ms. (steps per millisecond=91 ) properties seen :0
// Phase 1: matrix 744 rows 311 cols
[2025-05-29 18:17:59] [INFO ] Computed 33 invariants in 5 ms
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 5/31 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 1/32 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 94/126 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/126 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 7/133 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/133 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 13/146 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 33/179 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/179 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 93/272 variables, 12/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (OVERLAPS) 22/294 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/294 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (OVERLAPS) 17/311 variables, 2/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/311 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (OVERLAPS) 744/1055 variables, 311/344 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1055 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 22 (OVERLAPS) 0/1055 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1055/1055 variables, and 344 constraints, problems are : Problem set: 0 solved, 26 unsolved in 1634 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 5/31 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 1/32 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 94/126 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/126 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 7/133 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/133 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 13/146 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/146 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 33/179 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/179 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 93/272 variables, 12/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (OVERLAPS) 22/294 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/294 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (OVERLAPS) 17/311 variables, 2/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/311 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (OVERLAPS) 744/1055 variables, 311/344 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1055 variables, 26/370 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1055 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 23 (OVERLAPS) 0/1055 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1055/1055 variables, and 370 constraints, problems are : Problem set: 0 solved, 26 unsolved in 4467 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 311/311 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6117ms problems are : Problem set: 0 solved, 26 unsolved
Fused 26 Parikh solutions to 24 different solutions.
Parikh walk visited 0 properties in 30758 ms.
Support contains 26 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 744/744 transitions.
Applied a total of 0 rules in 15 ms. Remains 311 /311 variables (removed 0) and now considering 744/744 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 311/311 places, 744/744 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 744/744 transitions.
Applied a total of 0 rules in 12 ms. Remains 311 /311 variables (removed 0) and now considering 744/744 (removed 0) transitions.
[2025-05-29 18:18:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:18:36] [INFO ] Implicit Places using invariants in 212 ms returned [111]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 216 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 310/311 places, 744/744 transitions.
Applied a total of 0 rules in 13 ms. Remains 310 /310 variables (removed 0) and now considering 744/744 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 242 ms. Remains : 310/311 places, 744/744 transitions.
RANDOM walk for 4000000 steps (85945 resets) in 25506 ms. (156 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2746 resets) in 854 ms. (467 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2741 resets) in 1021 ms. (391 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2750 resets) in 1029 ms. (388 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2746 resets) in 1034 ms. (386 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2752 resets) in 1002 ms. (398 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2767 resets) in 1052 ms. (379 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2762 resets) in 1082 ms. (369 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2753 resets) in 1130 ms. (353 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2738 resets) in 1140 ms. (350 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2770 resets) in 1174 ms. (340 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2782 resets) in 1071 ms. (373 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2772 resets) in 931 ms. (429 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2764 resets) in 1146 ms. (348 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2728 resets) in 908 ms. (440 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2742 resets) in 1142 ms. (349 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2762 resets) in 1030 ms. (387 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400000 steps (2752 resets) in 1020 ms. (391 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2690 resets) in 1117 ms. (357 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2744 resets) in 960 ms. (416 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2783 resets) in 989 ms. (404 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2745 resets) in 804 ms. (496 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2767 resets) in 1027 ms. (389 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2763 resets) in 1005 ms. (397 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2814 resets) in 1148 ms. (348 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2750 resets) in 977 ms. (409 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2717 resets) in 951 ms. (420 steps per ms) remains 26/26 properties
Interrupted probabilistic random walk after 4555817 steps, run timeout after 54001 ms. (steps per millisecond=84 ) properties seen :0 out of 26
Probabilistic random walk after 4555817 steps, saw 1599717 distinct states, run finished after 54001 ms. (steps per millisecond=84 ) properties seen :0
// Phase 1: matrix 744 rows 310 cols
[2025-05-29 18:19:48] [INFO ] Computed 32 invariants in 5 ms
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 5/31 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 94/125 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 7/132 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 13/145 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/145 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 33/178 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 99/277 variables, 12/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/277 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 22/299 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/299 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (OVERLAPS) 11/310 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/310 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (OVERLAPS) 744/1054 variables, 310/342 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1054 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (OVERLAPS) 0/1054 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1054/1054 variables, and 342 constraints, problems are : Problem set: 0 solved, 26 unsolved in 1655 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 310/310 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 5/31 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 94/125 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 7/132 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 13/145 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/145 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 33/178 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/178 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 99/277 variables, 12/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/277 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 22/299 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/299 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (OVERLAPS) 11/310 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:52] [INFO ] Deduced a trap composed of 13 places in 151 ms of which 15 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/310 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/310 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (OVERLAPS) 744/1054 variables, 310/343 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1054 variables, 26/369 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1054 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 22 (OVERLAPS) 0/1054 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1054/1054 variables, and 369 constraints, problems are : Problem set: 0 solved, 26 unsolved in 4640 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 310/310 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6318ms problems are : Problem set: 0 solved, 26 unsolved
Fused 26 Parikh solutions to 23 different solutions.
Parikh walk visited 0 properties in 2639 ms.
Support contains 26 out of 310 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 310/310 places, 744/744 transitions.
Applied a total of 0 rules in 9 ms. Remains 310 /310 variables (removed 0) and now considering 744/744 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 310/310 places, 744/744 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 310/310 places, 744/744 transitions.
Applied a total of 0 rules in 8 ms. Remains 310 /310 variables (removed 0) and now considering 744/744 (removed 0) transitions.
[2025-05-29 18:19:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:19:58] [INFO ] Implicit Places using invariants in 215 ms returned []
[2025-05-29 18:19:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:19:58] [INFO ] Implicit Places using invariants and state equation in 572 ms returned []
Implicit Place search using SMT with State Equation took 789 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:19:58] [INFO ] Redundant transitions in 57 ms returned []
Running 723 sub problems to find dead transitions.
[2025-05-29 18:19:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/309 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/309 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/309 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 3 (OVERLAPS) 1/310 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 723 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:20:19] [INFO ] Deduced a trap composed of 13 places in 90 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:20:21] [INFO ] Deduced a trap composed of 54 places in 154 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:20:22] [INFO ] Deduced a trap composed of 61 places in 192 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:20:24] [INFO ] Deduced a trap composed of 71 places in 190 ms of which 32 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 4/36 constraints. Problems are: Problem set: 0 solved, 723 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 310/1054 variables, and 36 constraints, problems are : Problem set: 0 solved, 723 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 0/310 constraints, PredecessorRefiner: 723/723 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 723 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/309 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/309 variables, 21/28 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/309 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 3 (OVERLAPS) 1/310 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 4/36 constraints. Problems are: Problem set: 0 solved, 723 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 723 unsolved
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD80 is UNSAT
Problem TDEAD81 is UNSAT
Problem TDEAD82 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD87 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD95 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD99 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD131 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD137 is UNSAT
Problem TDEAD138 is UNSAT
At refinement iteration 7 (OVERLAPS) 744/1054 variables, 310/346 constraints. Problems are: Problem set: 101 solved, 622 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1054/1054 variables, and 968 constraints, problems are : Problem set: 101 solved, 622 unsolved in 30089 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 310/310 constraints, PredecessorRefiner: 622/723 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60401ms problems are : Problem set: 101 solved, 622 unsolved
Search for dead transitions found 101 dead transitions in 60407ms
Found 101 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 101 transitions
Dead transitions reduction (with SMT) removed 101 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 310/310 places, 643/744 transitions.
Applied a total of 0 rules in 6 ms. Remains 310 /310 variables (removed 0) and now considering 643/643 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:20:59] [INFO ] Redundant transitions in 29 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 61318 ms. Remains : 310/310 places, 643/744 transitions.
RANDOM walk for 4000000 steps (85906 resets) in 30078 ms. (132 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2756 resets) in 1250 ms. (319 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2704 resets) in 1151 ms. (347 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2730 resets) in 1133 ms. (352 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2776 resets) in 1165 ms. (343 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2780 resets) in 1060 ms. (377 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2741 resets) in 1102 ms. (362 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2753 resets) in 1207 ms. (331 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2747 resets) in 1247 ms. (320 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2769 resets) in 1129 ms. (353 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2787 resets) in 1224 ms. (326 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2773 resets) in 1052 ms. (379 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400000 steps (2797 resets) in 1217 ms. (328 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2699 resets) in 910 ms. (439 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2741 resets) in 933 ms. (428 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2720 resets) in 1116 ms. (358 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2781 resets) in 972 ms. (411 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2780 resets) in 1168 ms. (342 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2735 resets) in 973 ms. (410 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2759 resets) in 1087 ms. (367 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2720 resets) in 986 ms. (405 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2744 resets) in 1103 ms. (362 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2739 resets) in 860 ms. (464 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2782 resets) in 972 ms. (411 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2765 resets) in 891 ms. (448 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2727 resets) in 925 ms. (431 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2754 resets) in 1145 ms. (349 steps per ms) remains 26/26 properties
Interrupted probabilistic random walk after 4430089 steps, run timeout after 51001 ms. (steps per millisecond=86 ) properties seen :0 out of 26
Probabilistic random walk after 4430089 steps, saw 1568437 distinct states, run finished after 51002 ms. (steps per millisecond=86 ) properties seen :0
// Phase 1: matrix 643 rows 310 cols
[2025-05-29 18:22:08] [INFO ] Computed 32 invariants in 5 ms
Starting Z3 with timeout 165.0 s and query timeout 16500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 22/48 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 77/125 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 7/132 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 13/145 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/145 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 25/170 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 107/277 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/277 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 22/299 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/299 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (OVERLAPS) 11/310 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/310 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (OVERLAPS) 643/953 variables, 310/342 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/953 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (OVERLAPS) 0/953 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 953/953 variables, and 342 constraints, problems are : Problem set: 0 solved, 26 unsolved in 1638 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 310/310 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 165.0 s and query timeout 16500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 22/48 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 77/125 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 7/132 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 13/145 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/145 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 25/170 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 107/277 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:22:10] [INFO ] Deduced a trap composed of 35 places in 102 ms of which 12 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/277 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/277 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (OVERLAPS) 22/299 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/299 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (OVERLAPS) 11/310 variables, 2/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/310 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (OVERLAPS) 643/953 variables, 310/343 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/953 variables, 26/369 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/953 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 22 (OVERLAPS) 0/953 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 953/953 variables, and 369 constraints, problems are : Problem set: 0 solved, 26 unsolved in 4691 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 22/22 constraints, State Equation: 310/310 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6342ms problems are : Problem set: 0 solved, 26 unsolved
Fused 26 Parikh solutions to 23 different solutions.
Parikh walk visited 0 properties in 2313 ms.
Support contains 26 out of 310 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 310/310 places, 643/643 transitions.
Applied a total of 0 rules in 9 ms. Remains 310 /310 variables (removed 0) and now considering 643/643 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 310/310 places, 643/643 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 310/310 places, 643/643 transitions.
Applied a total of 0 rules in 7 ms. Remains 310 /310 variables (removed 0) and now considering 643/643 (removed 0) transitions.
[2025-05-29 18:22:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:22:16] [INFO ] Implicit Places using invariants in 216 ms returned []
[2025-05-29 18:22:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:22:17] [INFO ] Implicit Places using invariants and state equation in 609 ms returned [58, 60, 62, 64, 66, 68, 70, 148]
Discarding 8 places :
Implicit Place search using SMT with State Equation took 828 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 302/310 places, 643/643 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 296 transition count 595
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 296 transition count 595
Applied a total of 12 rules in 12 ms. Remains 296 /302 variables (removed 6) and now considering 595/643 (removed 48) transitions.
// Phase 1: matrix 595 rows 296 cols
[2025-05-29 18:22:17] [INFO ] Computed 30 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:22:17] [INFO ] Implicit Places using invariants in 175 ms returned []
[2025-05-29 18:22:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:22:18] [INFO ] Implicit Places using invariants and state equation in 540 ms returned []
Implicit Place search using SMT with State Equation took 717 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 296/310 places, 595/643 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1564 ms. Remains : 296/310 places, 595/643 transitions.
RANDOM walk for 4000000 steps (86390 resets) in 23933 ms. (167 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2755 resets) in 976 ms. (409 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2724 resets) in 892 ms. (447 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2808 resets) in 1084 ms. (368 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2713 resets) in 1037 ms. (385 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2751 resets) in 966 ms. (413 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2793 resets) in 1012 ms. (394 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2789 resets) in 1251 ms. (319 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2819 resets) in 971 ms. (411 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2772 resets) in 1120 ms. (356 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2721 resets) in 1220 ms. (327 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2753 resets) in 1017 ms. (392 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2737 resets) in 1026 ms. (389 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2800 resets) in 1171 ms. (341 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2754 resets) in 1023 ms. (390 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2776 resets) in 1108 ms. (360 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2725 resets) in 972 ms. (411 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2769 resets) in 1097 ms. (364 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2760 resets) in 1127 ms. (354 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2793 resets) in 1199 ms. (333 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2709 resets) in 904 ms. (441 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2754 resets) in 1090 ms. (366 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2723 resets) in 971 ms. (411 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2751 resets) in 1087 ms. (367 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2743 resets) in 950 ms. (420 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2739 resets) in 1116 ms. (358 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2751 resets) in 1167 ms. (342 steps per ms) remains 26/26 properties
Detected timeout of ITS tools.
Interrupted probabilistic random walk after 4663681 steps, run timeout after 51001 ms. (steps per millisecond=91 ) properties seen :0 out of 26
Probabilistic random walk after 4663681 steps, saw 1592783 distinct states, run finished after 51001 ms. (steps per millisecond=91 ) properties seen :0
[2025-05-29 18:23:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 180.0 s and query timeout 18000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 24/50 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 52/102 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 14/116 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/116 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 73/189 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 18/207 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/207 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 59/266 variables, 8/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/266 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 22/288 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/288 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (OVERLAPS) 2/290 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/290 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (OVERLAPS) 595/885 variables, 290/320 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/885 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (OVERLAPS) 6/891 variables, 6/326 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/891 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 22 (OVERLAPS) 0/891 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 891/891 variables, and 326 constraints, problems are : Problem set: 0 solved, 26 unsolved in 1735 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 296/296 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 180.0 s and query timeout 18000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 24/50 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 52/102 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 14/116 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/116 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 73/189 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/189 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 18/207 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:28] [INFO ] Deduced a trap composed of 23 places in 44 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/207 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/207 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (OVERLAPS) 59/266 variables, 8/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/266 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (OVERLAPS) 22/288 variables, 3/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/288 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (OVERLAPS) 2/290 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/290 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (OVERLAPS) 595/885 variables, 290/321 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/885 variables, 26/347 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/885 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 22 (OVERLAPS) 6/891 variables, 6/353 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/891 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 24 (OVERLAPS) 0/891 variables, 0/353 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 891/891 variables, and 353 constraints, problems are : Problem set: 0 solved, 26 unsolved in 4700 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 296/296 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6443ms problems are : Problem set: 0 solved, 26 unsolved
Fused 26 Parikh solutions to 23 different solutions.
Parikh walk visited 0 properties in 3004 ms.
Support contains 26 out of 296 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 296/296 places, 595/595 transitions.
Applied a total of 0 rules in 6 ms. Remains 296 /296 variables (removed 0) and now considering 595/595 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 296/296 places, 595/595 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 296/296 places, 595/595 transitions.
Applied a total of 0 rules in 7 ms. Remains 296 /296 variables (removed 0) and now considering 595/595 (removed 0) transitions.
[2025-05-29 18:23:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:23:36] [INFO ] Implicit Places using invariants in 175 ms returned []
[2025-05-29 18:23:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:23:36] [INFO ] Implicit Places using invariants and state equation in 550 ms returned []
Implicit Place search using SMT with State Equation took 727 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:23:36] [INFO ] Redundant transitions in 15 ms returned []
Running 574 sub problems to find dead transitions.
[2025-05-29 18:23:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/295 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 574 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/295 variables, 19/26 constraints. Problems are: Problem set: 0 solved, 574 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:42] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 3 ms to minimize.
Problem TDEAD434 is UNSAT
Problem TDEAD435 is UNSAT
Problem TDEAD436 is UNSAT
Problem TDEAD438 is UNSAT
Problem TDEAD439 is UNSAT
Problem TDEAD440 is UNSAT
Problem TDEAD441 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/295 variables, 1/27 constraints. Problems are: Problem set: 7 solved, 567 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/295 variables, 0/27 constraints. Problems are: Problem set: 7 solved, 567 unsolved
At refinement iteration 4 (OVERLAPS) 1/296 variables, 3/30 constraints. Problems are: Problem set: 7 solved, 567 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/296 variables, 1/31 constraints. Problems are: Problem set: 7 solved, 567 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:53] [INFO ] Deduced a trap composed of 25 places in 81 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:53] [INFO ] Deduced a trap composed of 26 places in 89 ms of which 10 ms to minimize.
Problem TDEAD236 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:54] [INFO ] Deduced a trap composed of 26 places in 78 ms of which 9 ms to minimize.
Problem TDEAD237 is UNSAT
Problem TDEAD238 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:54] [INFO ] Deduced a trap composed of 26 places in 76 ms of which 10 ms to minimize.
Problem TDEAD240 is UNSAT
Problem TDEAD242 is UNSAT
Problem TDEAD243 is UNSAT
Problem TDEAD245 is UNSAT
Problem TDEAD246 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:54] [INFO ] Deduced a trap composed of 26 places in 85 ms of which 9 ms to minimize.
Problem TDEAD247 is UNSAT
Problem TDEAD248 is UNSAT
Problem TDEAD249 is UNSAT
Problem TDEAD250 is UNSAT
Problem TDEAD252 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:54] [INFO ] Deduced a trap composed of 26 places in 86 ms of which 9 ms to minimize.
Problem TDEAD254 is UNSAT
Problem TDEAD255 is UNSAT
Problem TDEAD257 is UNSAT
Problem TDEAD258 is UNSAT
Problem TDEAD259 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:54] [INFO ] Deduced a trap composed of 26 places in 84 ms of which 10 ms to minimize.
Problem TDEAD261 is UNSAT
Problem TDEAD262 is UNSAT
Problem TDEAD263 is UNSAT
Problem TDEAD264 is UNSAT
Problem TDEAD265 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:54] [INFO ] Deduced a trap composed of 26 places in 85 ms of which 10 ms to minimize.
Problem TDEAD266 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:54] [INFO ] Deduced a trap composed of 26 places in 88 ms of which 10 ms to minimize.
Problem TDEAD268 is UNSAT
Problem TDEAD269 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD271 is UNSAT
Problem TDEAD273 is UNSAT
Problem TDEAD274 is UNSAT
Problem TDEAD276 is UNSAT
Problem TDEAD277 is UNSAT
Problem TDEAD278 is UNSAT
Problem TDEAD279 is UNSAT
Problem TDEAD282 is UNSAT
Problem TDEAD283 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:55] [INFO ] Deduced a trap composed of 57 places in 109 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:55] [INFO ] Deduced a trap composed of 61 places in 92 ms of which 14 ms to minimize.
Problem TDEAD558 is UNSAT
Problem TDEAD559 is UNSAT
Problem TDEAD560 is UNSAT
Problem TDEAD562 is UNSAT
Problem TDEAD564 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:56] [INFO ] Deduced a trap composed of 26 places in 113 ms of which 16 ms to minimize.
Problem TDEAD565 is UNSAT
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 12/43 constraints. Problems are: Problem set: 49 solved, 525 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:24:01] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/296 variables, 1/44 constraints. Problems are: Problem set: 49 solved, 525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 296/891 variables, and 44 constraints, problems are : Problem set: 49 solved, 525 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 0/296 constraints, PredecessorRefiner: 574/574 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 49 solved, 525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/295 variables, 7/7 constraints. Problems are: Problem set: 49 solved, 525 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/295 variables, 19/26 constraints. Problems are: Problem set: 49 solved, 525 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/295 variables, 10/36 constraints. Problems are: Problem set: 49 solved, 525 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/295 variables, 0/36 constraints. Problems are: Problem set: 49 solved, 525 unsolved
At refinement iteration 4 (OVERLAPS) 1/296 variables, 3/39 constraints. Problems are: Problem set: 49 solved, 525 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/296 variables, 1/40 constraints. Problems are: Problem set: 49 solved, 525 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/296 variables, 4/44 constraints. Problems are: Problem set: 49 solved, 525 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/296 variables, 0/44 constraints. Problems are: Problem set: 49 solved, 525 unsolved
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD105 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD110 is UNSAT
Problem TDEAD111 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD116 is UNSAT
Problem TDEAD117 is UNSAT
Problem TDEAD118 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD121 is UNSAT
Problem TDEAD122 is UNSAT
Problem TDEAD123 is UNSAT
Problem TDEAD124 is UNSAT
Problem TDEAD126 is UNSAT
Problem TDEAD127 is UNSAT
Problem TDEAD128 is UNSAT
Problem TDEAD129 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD136 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD139 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD144 is UNSAT
Problem TDEAD145 is UNSAT
Problem TDEAD146 is UNSAT
Problem TDEAD147 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD151 is UNSAT
Problem TDEAD152 is UNSAT
Problem TDEAD153 is UNSAT
Problem TDEAD154 is UNSAT
Problem TDEAD155 is UNSAT
Problem TDEAD195 is UNSAT
Problem TDEAD196 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD210 is UNSAT
Problem TDEAD211 is UNSAT
Problem TDEAD214 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD218 is UNSAT
Problem TDEAD220 is UNSAT
Problem TDEAD221 is UNSAT
Problem TDEAD222 is UNSAT
Problem TDEAD223 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD228 is UNSAT
Problem TDEAD229 is UNSAT
Problem TDEAD230 is UNSAT
Problem TDEAD231 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD235 is UNSAT
Problem TDEAD239 is UNSAT
Problem TDEAD244 is UNSAT
Problem TDEAD256 is UNSAT
Problem TDEAD267 is UNSAT
Problem TDEAD272 is UNSAT
Problem TDEAD281 is UNSAT
Problem TDEAD284 is UNSAT
Problem TDEAD285 is UNSAT
Problem TDEAD286 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD289 is UNSAT
Problem TDEAD290 is UNSAT
Problem TDEAD291 is UNSAT
Problem TDEAD293 is UNSAT
Problem TDEAD294 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD298 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD300 is UNSAT
Problem TDEAD301 is UNSAT
Problem TDEAD302 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD305 is UNSAT
Problem TDEAD306 is UNSAT
Problem TDEAD307 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD310 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD312 is UNSAT
Problem TDEAD313 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD315 is UNSAT
Problem TDEAD316 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD318 is UNSAT
Problem TDEAD319 is UNSAT
Problem TDEAD320 is UNSAT
Problem TDEAD321 is UNSAT
Problem TDEAD322 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 is UNSAT
Problem TDEAD328 is UNSAT
Problem TDEAD329 is UNSAT
Problem TDEAD331 is UNSAT
Problem TDEAD332 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD334 is UNSAT
Problem TDEAD335 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD338 is UNSAT
Problem TDEAD339 is UNSAT
Problem TDEAD340 is UNSAT
Problem TDEAD341 is UNSAT
Problem TDEAD342 is UNSAT
Problem TDEAD343 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD345 is UNSAT
Problem TDEAD347 is UNSAT
Problem TDEAD348 is UNSAT
Problem TDEAD349 is UNSAT
Problem TDEAD351 is UNSAT
Problem TDEAD352 is UNSAT
Problem TDEAD353 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD355 is UNSAT
Problem TDEAD356 is UNSAT
Problem TDEAD374 is UNSAT
Problem TDEAD375 is UNSAT
Problem TDEAD376 is UNSAT
Problem TDEAD377 is UNSAT
Problem TDEAD378 is UNSAT
Problem TDEAD379 is UNSAT
Problem TDEAD380 is UNSAT
Problem TDEAD382 is UNSAT
Problem TDEAD383 is UNSAT
Problem TDEAD384 is UNSAT
Problem TDEAD385 is UNSAT
Problem TDEAD386 is UNSAT
Problem TDEAD387 is UNSAT
Problem TDEAD388 is UNSAT
Problem TDEAD499 is UNSAT
Problem TDEAD500 is UNSAT
Problem TDEAD501 is UNSAT
Problem TDEAD502 is UNSAT
Problem TDEAD503 is UNSAT
Problem TDEAD504 is UNSAT
Problem TDEAD505 is UNSAT
Problem TDEAD547 is UNSAT
Problem TDEAD548 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD551 is UNSAT
Problem TDEAD552 is UNSAT
Problem TDEAD553 is UNSAT
Problem TDEAD554 is UNSAT
Problem TDEAD563 is UNSAT
Problem TDEAD578 is UNSAT
Problem TDEAD579 is UNSAT
Problem TDEAD580 is UNSAT
Problem TDEAD581 is UNSAT
Problem TDEAD582 is UNSAT
Problem TDEAD583 is UNSAT
Problem TDEAD584 is UNSAT
Problem TDEAD586 is UNSAT
Problem TDEAD587 is UNSAT
Problem TDEAD588 is UNSAT
Problem TDEAD589 is UNSAT
Problem TDEAD590 is UNSAT
Problem TDEAD591 is UNSAT
Problem TDEAD592 is UNSAT
At refinement iteration 8 (OVERLAPS) 595/891 variables, 296/340 constraints. Problems are: Problem set: 251 solved, 323 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/891 variables, 323/663 constraints. Problems are: Problem set: 251 solved, 323 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 891/891 variables, and 663 constraints, problems are : Problem set: 251 solved, 323 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 296/296 constraints, PredecessorRefiner: 323/574 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60157ms problems are : Problem set: 251 solved, 323 unsolved
Search for dead transitions found 251 dead transitions in 60159ms
Found 251 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 251 transitions
Dead transitions reduction (with SMT) removed 251 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 296/296 places, 344/595 transitions.
Ensure Unique test removed 30 places
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 38 transitions
Trivial Post-agglo rules discarded 38 transitions
Performed 38 trivial Post agglomeration. Transition count delta: 38
Iterating post reduction 0 with 70 rules applied. Total rules applied 70 place count 264 transition count 306
Reduce places removed 38 places and 0 transitions.
Iterating post reduction 1 with 38 rules applied. Total rules applied 108 place count 226 transition count 306
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 2 with 2 rules applied. Total rules applied 110 place count 226 transition count 304
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 112 place count 224 transition count 304
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 114 place count 224 transition count 304
Applied a total of 114 rules in 18 ms. Remains 224 /296 variables (removed 72) and now considering 304/344 (removed 40) transitions.
// Phase 1: matrix 304 rows 224 cols
[2025-05-29 18:24:36] [INFO ] Computed 28 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:24:36] [INFO ] Implicit Places using invariants in 114 ms returned []
[2025-05-29 18:24:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:24:37] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-29 18:24:37] [INFO ] Implicit Places using invariants and state equation in 297 ms returned [17, 19]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 414 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 222/296 places, 304/595 transitions.
Applied a total of 0 rules in 5 ms. Remains 222 /222 variables (removed 0) and now considering 304/304 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 61351 ms. Remains : 222/296 places, 304/595 transitions.
RANDOM walk for 4000000 steps (108992 resets) in 21047 ms. (190 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2941 resets) in 738 ms. (541 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2964 resets) in 744 ms. (536 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2971 resets) in 775 ms. (515 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2967 resets) in 833 ms. (479 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2951 resets) in 997 ms. (400 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2914 resets) in 737 ms. (542 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2992 resets) in 734 ms. (544 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2891 resets) in 876 ms. (456 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2967 resets) in 737 ms. (542 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2968 resets) in 1083 ms. (369 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2978 resets) in 808 ms. (494 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2950 resets) in 798 ms. (500 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2924 resets) in 811 ms. (492 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2974 resets) in 745 ms. (536 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2969 resets) in 1147 ms. (348 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2963 resets) in 766 ms. (521 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2956 resets) in 792 ms. (504 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2948 resets) in 785 ms. (508 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2939 resets) in 725 ms. (550 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2959 resets) in 747 ms. (534 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2972 resets) in 825 ms. (484 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2958 resets) in 864 ms. (462 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2942 resets) in 778 ms. (513 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2929 resets) in 760 ms. (525 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2973 resets) in 749 ms. (533 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2951 resets) in 769 ms. (519 steps per ms) remains 26/26 properties
Interrupted probabilistic random walk after 5210625 steps, run timeout after 36001 ms. (steps per millisecond=144 ) properties seen :0 out of 26
Probabilistic random walk after 5210625 steps, saw 1861310 distinct states, run finished after 36002 ms. (steps per millisecond=144 ) properties seen :0
// Phase 1: matrix 304 rows 222 cols
[2025-05-29 18:25:26] [INFO ] Computed 26 invariants in 1 ms
[2025-05-29 18:25:26] [INFO ] State equation strengthened by 7 read => feed constraints.
Starting Z3 with timeout 195.0 s and query timeout 19500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 14/40 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 27/67 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 14/81 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 68/149 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 28/177 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/177 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 17/194 variables, 7/25 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/194 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 243/437 variables, 194/219 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/437 variables, 6/225 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/437 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (OVERLAPS) 39/476 variables, 8/233 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/476 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/476 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/476 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (OVERLAPS) 50/526 variables, 20/255 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/526 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 23 (OVERLAPS) 0/526 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 526/526 variables, and 255 constraints, problems are : Problem set: 0 solved, 26 unsolved in 1620 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 222/222 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
Starting Z3 with timeout 195.0 s and query timeout 19500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 14/40 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 27/67 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/67 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (OVERLAPS) 14/81 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/81 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 68/149 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 28/177 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/177 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 12 (OVERLAPS) 17/194 variables, 7/25 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/194 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 14 (OVERLAPS) 243/437 variables, 194/219 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/437 variables, 6/225 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/437 variables, 24/249 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/437 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 18 (OVERLAPS) 39/476 variables, 8/257 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/476 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/476 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/476 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/476 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 23 (OVERLAPS) 50/526 variables, 20/281 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/526 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 25 (OVERLAPS) 0/526 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 526/526 variables, and 281 constraints, problems are : Problem set: 0 solved, 26 unsolved in 3222 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 222/222 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4850ms problems are : Problem set: 0 solved, 26 unsolved
Fused 26 Parikh solutions to 24 different solutions.
Parikh walk visited 0 properties in 447 ms.
Support contains 26 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 304/304 transitions.
Applied a total of 0 rules in 3 ms. Remains 222 /222 variables (removed 0) and now considering 304/304 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 222/222 places, 304/304 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 304/304 transitions.
Applied a total of 0 rules in 4 ms. Remains 222 /222 variables (removed 0) and now considering 304/304 (removed 0) transitions.
[2025-05-29 18:25:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:25:31] [INFO ] Implicit Places using invariants in 107 ms returned []
[2025-05-29 18:25:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:25:31] [INFO ] State equation strengthened by 7 read => feed constraints.
[2025-05-29 18:25:31] [INFO ] Implicit Places using invariants and state equation in 265 ms returned []
Implicit Place search using SMT with State Equation took 374 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:25:31] [INFO ] Redundant transitions in 5 ms returned []
Running 283 sub problems to find dead transitions.
[2025-05-29 18:25:31] [INFO ] Invariant cache hit.
[2025-05-29 18:25:31] [INFO ] State equation strengthened by 7 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/221 variables, 17/24 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 3 (OVERLAPS) 1/222 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 283 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:25:36] [INFO ] Deduced a trap composed of 9 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:25:36] [INFO ] Deduced a trap composed of 24 places in 57 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/222 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 283 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:25:38] [INFO ] Deduced a trap composed of 31 places in 46 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/222 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 283 unsolved
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD90 is UNSAT
Problem TDEAD91 is UNSAT
Problem TDEAD92 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD94 is UNSAT
Problem TDEAD96 is UNSAT
Problem TDEAD97 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD101 is UNSAT
Problem TDEAD102 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD104 is UNSAT
Problem TDEAD106 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD109 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD292 is UNSAT
Problem TDEAD294 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD297 is UNSAT
Problem TDEAD298 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD300 is UNSAT
Problem TDEAD302 is UNSAT
Problem TDEAD303 is UNSAT
At refinement iteration 7 (OVERLAPS) 304/526 variables, 222/251 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/526 variables, 7/258 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/526 variables, 0/258 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 10 (OVERLAPS) 0/526 variables, 0/258 constraints. Problems are: Problem set: 48 solved, 235 unsolved
No progress, stopping.
After SMT solving in domain Real declared 526/526 variables, and 258 constraints, problems are : Problem set: 48 solved, 235 unsolved in 21041 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 222/222 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 283/283 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 48 solved, 235 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 7/7 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/221 variables, 17/24 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 0/24 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 3 (OVERLAPS) 1/222 variables, 2/26 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/222 variables, 3/29 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/222 variables, 0/29 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 6 (OVERLAPS) 304/526 variables, 222/251 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/526 variables, 7/258 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/526 variables, 235/493 constraints. Problems are: Problem set: 48 solved, 235 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/526 variables, 0/493 constraints. Problems are: Problem set: 48 solved, 235 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 526/526 variables, and 493 constraints, problems are : Problem set: 48 solved, 235 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 222/222 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 235/283 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51103ms problems are : Problem set: 48 solved, 235 unsolved
Search for dead transitions found 48 dead transitions in 51104ms
Found 48 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 48 transitions
Dead transitions reduction (with SMT) removed 48 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 222/222 places, 256/304 transitions.
Ensure Unique test removed 11 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 211 transition count 243
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 1 with 13 rules applied. Total rules applied 37 place count 198 transition count 243
Applied a total of 37 rules in 8 ms. Remains 198 /222 variables (removed 24) and now considering 243/256 (removed 13) transitions.
// Phase 1: matrix 243 rows 198 cols
[2025-05-29 18:26:22] [INFO ] Computed 29 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:26:22] [INFO ] Implicit Places using invariants in 106 ms returned [34]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 107 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 197/222 places, 243/304 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 197 transition count 236
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 14 place count 190 transition count 236
Applied a total of 14 rules in 4 ms. Remains 190 /197 variables (removed 7) and now considering 236/243 (removed 7) transitions.
// Phase 1: matrix 236 rows 190 cols
[2025-05-29 18:26:22] [INFO ] Computed 28 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:26:23] [INFO ] Implicit Places using invariants in 93 ms returned []
[2025-05-29 18:26:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:26:23] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 295 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 190/222 places, 236/304 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 51907 ms. Remains : 190/222 places, 236/304 transitions.
RANDOM walk for 4000000 steps (109221 resets) in 19043 ms. (210 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2969 resets) in 611 ms. (653 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2905 resets) in 624 ms. (640 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400001 steps (2910 resets) in 600 ms. (665 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2946 resets) in 615 ms. (649 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2987 resets) in 597 ms. (668 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (3005 resets) in 596 ms. (670 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2950 resets) in 629 ms. (634 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (3020 resets) in 589 ms. (677 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2881 resets) in 595 ms. (671 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2914 resets) in 613 ms. (651 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (3008 resets) in 622 ms. (642 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (3008 resets) in 590 ms. (676 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2936 resets) in 599 ms. (666 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2951 resets) in 607 ms. (657 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2929 resets) in 616 ms. (648 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2892 resets) in 623 ms. (641 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2974 resets) in 612 ms. (652 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2940 resets) in 614 ms. (650 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2992 resets) in 606 ms. (658 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2964 resets) in 630 ms. (633 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2916 resets) in 607 ms. (657 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2897 resets) in 589 ms. (677 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2994 resets) in 607 ms. (657 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (2973 resets) in 601 ms. (664 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (2922 resets) in 620 ms. (644 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (2897 resets) in 622 ms. (642 steps per ms) remains 26/26 properties
Interrupted probabilistic random walk after 2013098 steps, run timeout after 27001 ms. (steps per millisecond=74 ) properties seen :2 out of 26
Probabilistic random walk after 2013098 steps, saw 1274950 distinct states, run finished after 27001 ms. (steps per millisecond=74 ) properties seen :2
[2025-05-29 18:27:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 210.0 s and query timeout 21000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 2/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 24/50 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 20/70 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 5/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (OVERLAPS) 13/88 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/88 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 11 (OVERLAPS) 19/107 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/107 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 13 (OVERLAPS) 59/166 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/166 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 15 (OVERLAPS) 18/184 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/184 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 17 (OVERLAPS) 2/186 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 19 (OVERLAPS) 233/419 variables, 186/212 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/419 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 21 (OVERLAPS) 7/426 variables, 4/216 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/426 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/426 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 24 (OVERLAPS) 0/426 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 426/426 variables, and 218 constraints, problems are : Problem set: 0 solved, 24 unsolved in 1076 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 190/190 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 24 unsolved
Starting Z3 with timeout 210.0 s and query timeout 21000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 2/26 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 24/50 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 20/70 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 7 (OVERLAPS) 5/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 9 (OVERLAPS) 13/88 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/88 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 11 (OVERLAPS) 19/107 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/107 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 13 (OVERLAPS) 59/166 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/166 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 15 (OVERLAPS) 18/184 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:27:01] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/184 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/184 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 18 (OVERLAPS) 2/186 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/186 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 20 (OVERLAPS) 233/419 variables, 186/213 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/419 variables, 24/237 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/419 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 23 (OVERLAPS) 7/426 variables, 4/241 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/426 variables, 2/243 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/426 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 26 (OVERLAPS) 0/426 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 426/426 variables, and 243 constraints, problems are : Problem set: 0 solved, 24 unsolved in 2294 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 14/14 constraints, State Equation: 190/190 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3376ms problems are : Problem set: 0 solved, 24 unsolved
Fused 24 Parikh solutions to 22 different solutions.
Parikh walk visited 22 properties in 736 ms.
Support contains 2 out of 190 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 190/190 places, 236/236 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 0 with 15 rules applied. Total rules applied 15 place count 190 transition count 221
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 30 place count 175 transition count 221
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 30 place count 175 transition count 217
Deduced a syphon composed of 4 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 9 rules applied. Total rules applied 39 place count 170 transition count 217
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 39 place count 170 transition count 216
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 42 place count 168 transition count 216
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 42 place count 168 transition count 215
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 44 place count 167 transition count 215
Applied a total of 44 rules in 6 ms. Remains 167 /190 variables (removed 23) and now considering 215/236 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 167/190 places, 215/236 transitions.
RANDOM walk for 4000000 steps (108882 resets) in 7464 ms. (535 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000004 steps (29583 resets) in 2870 ms. (1393 steps per ms) remains 2/2 properties
BEST_FIRST walk for 4000004 steps (29452 resets) in 2900 ms. (1378 steps per ms) remains 2/2 properties
Finished probabilistic random walk after 1813935 steps, run visited all 2 properties in 8658 ms. (steps per millisecond=209 )
Probabilistic random walk after 1813935 steps, saw 1166288 distinct states, run finished after 8662 ms. (steps per millisecond=209 ) properties seen :2
Able to resolve query StableMarking after proving 1443 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK PARIKH_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL USE_NUPN
Total runtime 1464622 ms.

BK_STOP 1748543236423

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="ASLink-PT-03b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ASLink-PT-03b, 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 r007-tall-174853737200203"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-03b.tgz
mv ASLink-PT-03b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "StableMarking.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;