Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r007-tall-174853737200223.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-05b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-tall-174853737200223
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K 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 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K 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 795K 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 1748542109816

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-05b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-05-29 18:08:31] [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 18:08:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 18:08:31] [INFO ] Load time of PNML (sax parser for PT used): 180 ms
[2025-05-29 18:08:31] [INFO ] Transformed 2430 places.
[2025-05-29 18:08:31] [INFO ] Transformed 3040 transitions.
[2025-05-29 18:08:31] [INFO ] Found NUPN structural information;
[2025-05-29 18:08:31] [INFO ] Parsed PT model containing 2430 places and 3040 transitions and 9292 arcs in 339 ms.
Structural test allowed to assert that 296 places are NOT stable. Took 21 ms.
RANDOM walk for 40000 steps (81 resets) in 5818 ms. (6 steps per ms) remains 674/2134 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 674/674 properties
[2025-05-29 18:08:33] [INFO ] Flatten gal took : 365 ms
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 7 ms. (15 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 7 ms. (15 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 7 ms. (15 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 7 ms. (15 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 674/674 properties
BEST_FIRST walk for 122 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 6 ms. (17 steps per ms) remains 674/674 properties
BEST_FIRST walk for 124 steps (8 resets) in 5 ms. (20 steps per ms) remains 674/674 properties
// Phase 1: matrix 3040 rows 2430 cols
[2025-05-29 18:08:33] [INFO ] Flatten gal took : 226 ms
[2025-05-29 18:08:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9071639252517124890.gal : 68 ms
[2025-05-29 18:08:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8415407422767346229.prop : 8 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/ReachabilityCardinality9071639252517124890.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8415407422767346229.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
[2025-05-29 18:08:33] [INFO ] Computed 238 invariants in 214 ms
Loading property file /tmp/ReachabilityCardinality8415407422767346229.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/674 variables, 674/674 constraints. Problems are: Problem set: 0 solved, 674 unsolved
SMT process timed out in 5767ms, After SMT, problems are : Problem set: 0 solved, 674 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 674 out of 2430 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2430/2430 places, 3040/3040 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 431 transitions
Trivial Post-agglo rules discarded 431 transitions
Performed 431 trivial Post agglomeration. Transition count delta: 431
Iterating post reduction 0 with 431 rules applied. Total rules applied 431 place count 2430 transition count 2609
Reduce places removed 431 places and 0 transitions.
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
SDD proceeding with computation,674 properties remain. new max is 4
SDD size :1 after 5
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 1 with 457 rules applied. Total rules applied 888 place count 1999 transition count 2583
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 895 place count 1992 transition count 2583
Performed 394 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 394 Pre rules applied. Total rules applied 895 place count 1992 transition count 2189
Deduced a syphon composed of 394 places in 40 ms
Ensure Unique test removed 38 places
Reduce places removed 432 places and 0 transitions.
Iterating global reduction 3 with 826 rules applied. Total rules applied 1721 place count 1560 transition count 2189
Discarding 4 places :
Implicit places reduction removed 4 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 3 with 26 rules applied. Total rules applied 1747 place count 1556 transition count 2167
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 4 with 22 rules applied. Total rules applied 1769 place count 1534 transition count 2167
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 17 Pre rules applied. Total rules applied 1769 place count 1534 transition count 2150
Deduced a syphon composed of 17 places in 14 ms
Ensure Unique test removed 17 places
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 5 with 51 rules applied. Total rules applied 1820 place count 1500 transition count 2150
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 17 Pre rules applied. Total rules applied 1820 place count 1500 transition count 2133
Deduced a syphon composed of 17 places in 14 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 5 with 34 rules applied. Total rules applied 1854 place count 1483 transition count 2133
Discarding 50 places :
Symmetric choice reduction at 5 with 50 rule applications. Total rules 1904 place count 1433 transition count 2083
Iterating global reduction 5 with 50 rules applied. Total rules applied 1954 place count 1433 transition count 2083
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1955 place count 1433 transition count 2082
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 13 Pre rules applied. Total rules applied 1955 place count 1433 transition count 2069
Deduced a syphon composed of 13 places in 8 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 1982 place count 1419 transition count 2069
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 1982 place count 1419 transition count 2068
Deduced a syphon composed of 1 places in 8 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 1985 place count 1417 transition count 2068
Discarding 3 places :
Symmetric choice reduction at 6 with 3 rule applications. Total rules 1988 place count 1414 transition count 2047
Iterating global reduction 6 with 3 rules applied. Total rules applied 1991 place count 1414 transition count 2047
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 1991 place count 1414 transition count 2045
Deduced a syphon composed of 2 places in 8 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 1995 place count 1412 transition count 2045
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1996 place count 1411 transition count 2037
Iterating global reduction 6 with 1 rules applied. Total rules applied 1997 place count 1411 transition count 2037
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 1998 place count 1410 transition count 2029
Iterating global reduction 6 with 1 rules applied. Total rules applied 1999 place count 1410 transition count 2029
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2000 place count 1409 transition count 2021
Iterating global reduction 6 with 1 rules applied. Total rules applied 2001 place count 1409 transition count 2021
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2002 place count 1408 transition count 2013
Iterating global reduction 6 with 1 rules applied. Total rules applied 2003 place count 1408 transition count 2013
SDD proceeding with computation,674 properties remain. new max is 8
SDD size :5 after 10
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2004 place count 1407 transition count 2005
Iterating global reduction 6 with 1 rules applied. Total rules applied 2005 place count 1407 transition count 2005
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2006 place count 1406 transition count 1997
Iterating global reduction 6 with 1 rules applied. Total rules applied 2007 place count 1406 transition count 1997
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2008 place count 1405 transition count 1989
Iterating global reduction 6 with 1 rules applied. Total rules applied 2009 place count 1405 transition count 1989
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2010 place count 1404 transition count 1981
Iterating global reduction 6 with 1 rules applied. Total rules applied 2011 place count 1404 transition count 1981
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2012 place count 1403 transition count 1973
Iterating global reduction 6 with 1 rules applied. Total rules applied 2013 place count 1403 transition count 1973
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2014 place count 1402 transition count 1965
Iterating global reduction 6 with 1 rules applied. Total rules applied 2015 place count 1402 transition count 1965
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2016 place count 1401 transition count 1957
Iterating global reduction 6 with 1 rules applied. Total rules applied 2017 place count 1401 transition count 1957
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2018 place count 1400 transition count 1949
Iterating global reduction 6 with 1 rules applied. Total rules applied 2019 place count 1400 transition count 1949
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2020 place count 1399 transition count 1941
Iterating global reduction 6 with 1 rules applied. Total rules applied 2021 place count 1399 transition count 1941
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2022 place count 1398 transition count 1933
Iterating global reduction 6 with 1 rules applied. Total rules applied 2023 place count 1398 transition count 1933
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2024 place count 1397 transition count 1925
Iterating global reduction 6 with 1 rules applied. Total rules applied 2025 place count 1397 transition count 1925
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 2026 place count 1396 transition count 1917
Iterating global reduction 6 with 1 rules applied. Total rules applied 2027 place count 1396 transition count 1917
Performed 115 Post agglomeration using F-continuation condition.Transition count delta: 115
Deduced a syphon composed of 115 places in 6 ms
Reduce places removed 115 places and 0 transitions.
Iterating global reduction 6 with 230 rules applied. Total rules applied 2257 place count 1281 transition count 1802
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -9
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 2259 place count 1280 transition count 1811
Free-agglomeration rule applied 6 times.
Iterating global reduction 6 with 6 rules applied. Total rules applied 2265 place count 1280 transition count 1805
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 2271 place count 1274 transition count 1805
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 7 with 3 rules applied. Total rules applied 2274 place count 1274 transition count 1802
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 2277 place count 1271 transition count 1802
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 2278 place count 1270 transition count 1801
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 8 with 6 rules applied. Total rules applied 2284 place count 1266 transition count 1799
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 2286 place count 1264 transition count 1799
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 6 Pre rules applied. Total rules applied 2286 place count 1264 transition count 1793
Deduced a syphon composed of 6 places in 6 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 10 with 12 rules applied. Total rules applied 2298 place count 1258 transition count 1793
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 10 with 2 rules applied. Total rules applied 2300 place count 1256 transition count 1793
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 6 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 11 with 8 rules applied. Total rules applied 2308 place count 1252 transition count 1789
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 2310 place count 1250 transition count 1787
Iterating global reduction 11 with 2 rules applied. Total rules applied 2312 place count 1250 transition count 1787
Free-agglomeration rule applied 2 times.
Iterating global reduction 11 with 2 rules applied. Total rules applied 2314 place count 1250 transition count 1785
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 2316 place count 1248 transition count 1785
Applied a total of 2316 rules in 1939 ms. Remains 1248 /2430 variables (removed 1182) and now considering 1785/3040 (removed 1255) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1947 ms. Remains : 1248/2430 places, 1785/3040 transitions.
SDD proceeding with computation,674 properties remain. new max is 16
SDD size :10 after 11
SDD proceeding with computation,674 properties remain. new max is 32
SDD size :11 after 17
SDD proceeding with computation,674 properties remain. new max is 64
SDD size :17 after 136
SDD proceeding with computation,674 properties remain. new max is 128
SDD size :136 after 246
SDD proceeding with computation,674 properties remain. new max is 256
SDD size :246 after 699
SDD proceeding with computation,674 properties remain. new max is 512
SDD size :699 after 13547
SDD proceeding with computation,674 properties remain. new max is 1024
SDD size :13547 after 223559
SDD proceeding with computation,674 properties remain. new max is 2048
SDD size :223559 after 906890
SDD proceeding with computation,674 properties remain. new max is 4096
SDD size :906890 after 7.2729e+10
RANDOM walk for 2705951 steps (32217 resets) in 120007 ms. (22 steps per ms) remains 502/674 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (8 resets) in 40 ms. (97 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (9 resets) in 35 ms. (111 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (10 resets) in 34 ms. (114 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (8 resets) in 34 ms. (114 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (9 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (10 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (9 resets) in 35 ms. (111 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (10 resets) in 52 ms. (75 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4001 steps (8 resets) in 34 ms. (114 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (12 resets) in 31 ms. (125 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4001 steps (8 resets) in 43 ms. (90 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (10 resets) in 44 ms. (88 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (9 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (9 resets) in 32 ms. (121 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (9 resets) in 33 ms. (117 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (9 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (9 resets) in 34 ms. (114 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (10 resets) in 29 ms. (133 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (10 resets) in 36 ms. (108 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (8 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (10 resets) in 46 ms. (85 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (9 resets) in 35 ms. (111 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (9 resets) in 36 ms. (108 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (9 resets) in 41 ms. (95 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (9 resets) in 34 ms. (114 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (8 resets) in 38 ms. (102 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (10 resets) in 33 ms. (117 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4001 steps (9 resets) in 39 ms. (100 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (9 resets) in 37 ms. (105 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (10 resets) in 45 ms. (87 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (9 resets) in 24 ms. (160 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4001 steps (8 resets) in 29 ms. (133 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (8 resets) in 41 ms. (95 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (9 resets) in 49 ms. (80 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (10 resets) in 40 ms. (97 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (9 resets) in 34 ms. (114 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (10 resets) in 45 ms. (87 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4004 steps (9 resets) in 35 ms. (111 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 502/502 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 502/502 properties
// Phase 1: matrix 1785 rows 1248 cols
[2025-05-29 18:09:12] [INFO ] Computed 171 invariants in 76 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/502 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 502 unsolved
SDD proceeding with computation,674 properties remain. new max is 8192
SDD size :7.2729e+10 after 1.26508e+17
At refinement iteration 1 (INCLUDED_ONLY) 0/502 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (OVERLAPS) 46/548 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/548 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/548 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (OVERLAPS) 2/550 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/550 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 241/791 variables, 40/86 constraints. Problems are: Problem set: 0 solved, 502 unsolved
SDD proceeding with computation,674 properties remain. new max is 16384
SDD size :1.26508e+17 after 1.01889e+23
At refinement iteration 8 (INCLUDED_ONLY) 0/791 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 9 (OVERLAPS) 32/823 variables, 7/93 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 823/3033 variables, and 93 constraints, problems are : Problem set: 0 solved, 502 unsolved in 45021 ms.
Refiners :[Positive P Invariants (semi-flows): 35/50 constraints, Generalized P Invariants (flows): 58/121 constraints, State Equation: 0/1248 constraints, PredecessorRefiner: 502/502 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/502 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/502 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 2 (OVERLAPS) 46/548 variables, 26/41 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/548 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/548 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 5 (OVERLAPS) 2/550 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/550 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 502 unsolved
At refinement iteration 7 (OVERLAPS) 241/791 variables, 40/86 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:25] [INFO ] Deduced a trap composed of 30 places in 286 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:26] [INFO ] Deduced a trap composed of 31 places in 253 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:26] [INFO ] Deduced a trap composed of 42 places in 145 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:27] [INFO ] Deduced a trap composed of 13 places in 96 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:28] [INFO ] Deduced a trap composed of 66 places in 165 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:28] [INFO ] Deduced a trap composed of 23 places in 179 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:28] [INFO ] Deduced a trap composed of 36 places in 146 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:29] [INFO ] Deduced a trap composed of 41 places in 254 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:31] [INFO ] Deduced a trap composed of 44 places in 128 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:33] [INFO ] Deduced a trap composed of 33 places in 211 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:34] [INFO ] Deduced a trap composed of 45 places in 249 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:34] [INFO ] Deduced a trap composed of 65 places in 227 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:35] [INFO ] Deduced a trap composed of 68 places in 212 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:35] [INFO ] Deduced a trap composed of 70 places in 194 ms of which 34 ms to minimize.
SDD proceeding with computation,674 properties remain. new max is 32768
SDD size :1.01889e+23 after 5.02959e+31
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:37] [INFO ] Deduced a trap composed of 66 places in 161 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:37] [INFO ] Deduced a trap composed of 42 places in 124 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:39] [INFO ] Deduced a trap composed of 30 places in 157 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:40] [INFO ] Deduced a trap composed of 43 places in 289 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:41] [INFO ] Deduced a trap composed of 44 places in 273 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:10:41] [INFO ] Deduced a trap composed of 34 places in 263 ms of which 13 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/791 variables, 20/106 constraints. Problems are: Problem set: 0 solved, 502 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 791/3033 variables, and 106 constraints, problems are : Problem set: 0 solved, 502 unsolved in 45024 ms.
Refiners :[Positive P Invariants (semi-flows): 28/50 constraints, Generalized P Invariants (flows): 58/121 constraints, State Equation: 0/1248 constraints, PredecessorRefiner: 0/502 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90292ms problems are : Problem set: 0 solved, 502 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 502 out of 1248 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1248/1248 places, 1785/1785 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 37 place count 1248 transition count 1748
Reduce places removed 37 places and 0 transitions.
Iterating post reduction 1 with 37 rules applied. Total rules applied 74 place count 1211 transition count 1748
Performed 38 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 38 Pre rules applied. Total rules applied 74 place count 1211 transition count 1710
Deduced a syphon composed of 38 places in 5 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 150 place count 1173 transition count 1710
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 5 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 186 place count 1155 transition count 1692
Applied a total of 186 rules in 68 ms. Remains 1155 /1248 variables (removed 93) and now considering 1692/1785 (removed 93) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 68 ms. Remains : 1155/1248 places, 1692/1785 transitions.
RANDOM walk for 2683644 steps (32300 resets) in 120004 ms. (22 steps per ms) remains 496/502 properties
BEST_FIRST walk for 40002 steps (93 resets) in 332 ms. (120 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (90 resets) in 352 ms. (113 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (79 resets) in 467 ms. (85 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40002 steps (88 resets) in 349 ms. (114 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (91 resets) in 432 ms. (92 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (84 resets) in 407 ms. (98 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (90 resets) in 422 ms. (94 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (86 resets) in 410 ms. (97 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40002 steps (87 resets) in 414 ms. (96 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (90 resets) in 334 ms. (119 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (89 resets) in 424 ms. (94 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40002 steps (87 resets) in 344 ms. (115 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (87 resets) in 371 ms. (107 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (94 resets) in 393 ms. (101 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (84 resets) in 388 ms. (102 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (87 resets) in 414 ms. (96 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (88 resets) in 401 ms. (99 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (92 resets) in 443 ms. (90 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (85 resets) in 436 ms. (91 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40002 steps (87 resets) in 429 ms. (93 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (88 resets) in 446 ms. (89 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (88 resets) in 314 ms. (126 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (90 resets) in 338 ms. (118 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (91 resets) in 387 ms. (103 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (90 resets) in 405 ms. (98 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (89 resets) in 360 ms. (110 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (88 resets) in 317 ms. (125 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (85 resets) in 360 ms. (110 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (93 resets) in 430 ms. (92 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (89 resets) in 370 ms. (107 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (88 resets) in 342 ms. (116 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (89 resets) in 381 ms. (104 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (88 resets) in 371 ms. (107 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (89 resets) in 364 ms. (109 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (87 resets) in 328 ms. (121 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40002 steps (89 resets) in 315 ms. (126 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (90 resets) in 389 ms. (102 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (88 resets) in 404 ms. (98 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40002 steps (85 resets) in 454 ms. (87 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (88 resets) in 406 ms. (98 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (88 resets) in 390 ms. (102 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40002 steps (80 resets) in 406 ms. (98 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (88 resets) in 419 ms. (95 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (91 resets) in 376 ms. (106 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (89 resets) in 398 ms. (100 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (90 resets) in 408 ms. (97 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (89 resets) in 441 ms. (90 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (86 resets) in 324 ms. (123 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40004 steps (83 resets) in 393 ms. (101 steps per ms) remains 496/496 properties
BEST_FIRST walk for 40003 steps (83 resets) in 364 ms. (109 steps per ms) remains 496/496 properties
SDD proceeding with computation,674 properties remain. new max is 65536
SDD size :5.02959e+31 after 5.67519e+31
Interrupted probabilistic random walk after 6336551 steps, run timeout after 108001 ms. (steps per millisecond=58 ) properties seen :2 out of 496
Probabilistic random walk after 6336551 steps, saw 1151064 distinct states, run finished after 108008 ms. (steps per millisecond=58 ) properties seen :2
// Phase 1: matrix 1692 rows 1155 cols
[2025-05-29 18:13:07] [INFO ] Computed 171 invariants in 19 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/494 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/494 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 2 (OVERLAPS) 20/514 variables, 24/39 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/514 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/514 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 5 (OVERLAPS) 145/659 variables, 32/74 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/659 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 7 (OVERLAPS) 37/696 variables, 7/81 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/696 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 9 (OVERLAPS) 2/698 variables, 2/83 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/698 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 11 (OVERLAPS) 143/841 variables, 22/105 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/841 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 13 (OVERLAPS) 26/867 variables, 4/109 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/867 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 15 (OVERLAPS) 2/869 variables, 2/111 constraints. Problems are: Problem set: 0 solved, 494 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 869/2847 variables, and 111 constraints, problems are : Problem set: 0 solved, 494 unsolved in 75015 ms.
Refiners :[Positive P Invariants (semi-flows): 39/50 constraints, Generalized P Invariants (flows): 72/121 constraints, State Equation: 0/1155 constraints, PredecessorRefiner: 494/494 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 494 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/494 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/494 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 2 (OVERLAPS) 20/514 variables, 24/39 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/514 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/514 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 5 (OVERLAPS) 145/659 variables, 32/74 constraints. Problems are: Problem set: 0 solved, 494 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:39] [INFO ] Deduced a trap composed of 30 places in 113 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:39] [INFO ] Deduced a trap composed of 31 places in 113 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:40] [INFO ] Deduced a trap composed of 13 places in 75 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:41] [INFO ] Deduced a trap composed of 46 places in 153 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:41] [INFO ] Deduced a trap composed of 47 places in 150 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:41] [INFO ] Deduced a trap composed of 36 places in 202 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:41] [INFO ] Deduced a trap composed of 41 places in 200 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:42] [INFO ] Deduced a trap composed of 36 places in 111 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:42] [INFO ] Deduced a trap composed of 36 places in 102 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:43] [INFO ] Deduced a trap composed of 42 places in 106 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:43] [INFO ] Deduced a trap composed of 44 places in 105 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:46] [INFO ] Deduced a trap composed of 33 places in 151 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:46] [INFO ] Deduced a trap composed of 65 places in 169 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:48] [INFO ] Deduced a trap composed of 66 places in 215 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:48] [INFO ] Deduced a trap composed of 53 places in 136 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:48] [INFO ] Deduced a trap composed of 66 places in 125 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:49] [INFO ] Deduced a trap composed of 33 places in 96 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:49] [INFO ] Deduced a trap composed of 42 places in 91 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:51] [INFO ] Deduced a trap composed of 41 places in 64 ms of which 7 ms to minimize.
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 62 ms of which 7 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/659 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 494 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:53] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:55] [INFO ] Deduced a trap composed of 45 places in 149 ms of which 29 ms to minimize.
SDD proceeding with computation,674 properties remain. new max is 131072
SDD size :5.67519e+31 after 7.29863e+31
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:14:56] [INFO ] Deduced a trap composed of 76 places in 168 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:15:04] [INFO ] Deduced a trap composed of 29 places in 89 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/659 variables, 4/98 constraints. Problems are: Problem set: 0 solved, 494 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:15:08] [INFO ] Deduced a trap composed of 79 places in 127 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:15:09] [INFO ] Deduced a trap composed of 61 places in 119 ms of which 24 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/659 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/659 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 10 (OVERLAPS) 37/696 variables, 7/107 constraints. Problems are: Problem set: 0 solved, 494 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 696/2847 variables, and 107 constraints, problems are : Problem set: 0 solved, 494 unsolved in 75017 ms.
Refiners :[Positive P Invariants (semi-flows): 31/50 constraints, Generalized P Invariants (flows): 50/121 constraints, State Equation: 0/1155 constraints, PredecessorRefiner: 0/494 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 150144ms problems are : Problem set: 0 solved, 494 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 494 out of 1155 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1155/1155 places, 1692/1692 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 1155 transition count 1686
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 1149 transition count 1686
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 16 place count 1147 transition count 1684
Applied a total of 16 rules in 54 ms. Remains 1147 /1155 variables (removed 8) and now considering 1684/1692 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 1147/1155 places, 1684/1692 transitions.
RANDOM walk for 2941142 steps (35047 resets) in 120004 ms. (24 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (90 resets) in 396 ms. (100 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (87 resets) in 390 ms. (102 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (90 resets) in 439 ms. (90 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40001 steps (86 resets) in 416 ms. (95 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40002 steps (86 resets) in 485 ms. (82 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (91 resets) in 450 ms. (88 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (89 resets) in 382 ms. (104 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (89 resets) in 322 ms. (123 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (87 resets) in 409 ms. (97 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (85 resets) in 468 ms. (85 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (88 resets) in 437 ms. (91 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (88 resets) in 382 ms. (104 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (88 resets) in 449 ms. (88 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (93 resets) in 323 ms. (123 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (89 resets) in 371 ms. (107 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (88 resets) in 410 ms. (97 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (85 resets) in 340 ms. (117 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (89 resets) in 358 ms. (111 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (86 resets) in 468 ms. (85 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (85 resets) in 381 ms. (104 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (91 resets) in 324 ms. (123 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (87 resets) in 321 ms. (124 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (91 resets) in 336 ms. (118 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (87 resets) in 316 ms. (126 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (86 resets) in 441 ms. (90 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (87 resets) in 327 ms. (121 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (91 resets) in 320 ms. (124 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40002 steps (84 resets) in 336 ms. (118 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (84 resets) in 434 ms. (91 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (87 resets) in 350 ms. (113 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (88 resets) in 391 ms. (102 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (86 resets) in 486 ms. (82 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40002 steps (84 resets) in 395 ms. (101 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (88 resets) in 446 ms. (89 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40002 steps (87 resets) in 378 ms. (105 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (86 resets) in 393 ms. (101 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (90 resets) in 367 ms. (108 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40001 steps (92 resets) in 423 ms. (94 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (90 resets) in 378 ms. (105 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (88 resets) in 444 ms. (89 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40002 steps (95 resets) in 367 ms. (108 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (88 resets) in 343 ms. (116 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (91 resets) in 303 ms. (131 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (87 resets) in 341 ms. (116 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (85 resets) in 350 ms. (113 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40002 steps (91 resets) in 446 ms. (89 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40002 steps (92 resets) in 384 ms. (103 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40004 steps (88 resets) in 442 ms. (90 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (91 resets) in 425 ms. (93 steps per ms) remains 494/494 properties
BEST_FIRST walk for 40003 steps (89 resets) in 451 ms. (88 steps per ms) remains 494/494 properties
SDD proceeding with computation,674 properties remain. new max is 262144
SDD size :7.29863e+31 after 1.38519e+32
Interrupted probabilistic random walk after 5899545 steps, run timeout after 108001 ms. (steps per millisecond=54 ) properties seen :0 out of 494
Probabilistic random walk after 5899545 steps, saw 1075778 distinct states, run finished after 108001 ms. (steps per millisecond=54 ) properties seen :0
// Phase 1: matrix 1684 rows 1147 cols
[2025-05-29 18:18:02] [INFO ] Computed 171 invariants in 16 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) 0/494 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/494 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 2 (OVERLAPS) 20/514 variables, 24/39 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/514 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/514 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 5 (OVERLAPS) 152/666 variables, 32/74 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/666 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 494 unsolved
At refinement iteration 7 (OVERLAPS) 32/698 variables, 7/81 constraints. Problems are: Problem set: 0 solved, 494 unsolved
Detected timeout of ITS tools.
[2025-05-29 18:18:34] [INFO ] Flatten gal took : 131 ms
[2025-05-29 18:18:34] [INFO ] Applying decomposition
[2025-05-29 18:18:34] [INFO ] Flatten gal took : 102 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/graph10014024625188964240.txt' '-o' '/tmp/graph10014024625188964240.bin' '-w' '/tmp/graph10014024625188964240.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10014024625188964240.bin' '-l' '-1' '-v' '-w' '/tmp/graph10014024625188964240.weights' '-q' '0' '-e' '0.001'
[2025-05-29 18:18:34] [INFO ] Decomposing Gal with order
[2025-05-29 18:18:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-29 18:18:35] [INFO ] Removed a total of 2251 redundant transitions.
[2025-05-29 18:18:35] [INFO ] Flatten gal took : 396 ms
[2025-05-29 18:18:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 14 labels/synchronizations in 42 ms.
[2025-05-29 18:18:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16146034766580523344.gal : 59 ms
[2025-05-29 18:18:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14546060150482633671.prop : 26 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/ReachabilityCardinality16146034766580523344.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14546060150482633671.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 ...309
Loading property file /tmp/ReachabilityCardinality14546060150482633671.prop.
SDD proceeding with computation,494 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,494 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,494 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,494 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,494 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,494 properties remain. new max is 128
SDD size :1 after 1.27647e+06
SDD proceeding with computation,494 properties remain. new max is 256
SDD size :1.27647e+06 after 1.13236e+23
Invariant property smplace_1254 does not hold.
Invariant property smplace_1253 does not hold.
Invariant property smplace_1252 does not hold.
Invariant property smplace_1248 does not hold.
Invariant property smplace_1247 does not hold.
Invariant property smplace_1246 does not hold.
Invariant property smplace_1239 does not hold.
Invariant property smplace_1238 does not hold.
Invariant property smplace_1237 does not hold.
Invariant property smplace_1203 does not hold.
Invariant property smplace_1202 does not hold.
Invariant property smplace_1201 does not hold.
Invariant property smplace_1200 does not hold.
Invariant property smplace_1199 does not hold.
Invariant property smplace_1198 does not hold.
Invariant property smplace_1197 does not hold.
Invariant property smplace_1196 does not hold.
Invariant property smplace_1195 does not hold.
Invariant property smplace_1012 does not hold.
Invariant property smplace_1011 does not hold.
Invariant property smplace_1010 does not hold.
Invariant property smplace_1009 does not hold.
Invariant property smplace_1008 does not hold.
Invariant property smplace_1007 does not hold.
Invariant property smplace_1006 does not hold.
Invariant property smplace_1005 does not hold.
Invariant property smplace_1004 does not hold.
Invariant property smplace_1003 does not hold.
Invariant property smplace_1002 does not hold.
Invariant property smplace_1001 does not hold.
Invariant property smplace_1000 does not hold.
Invariant property smplace_999 does not hold.
Invariant property smplace_998 does not hold.
Invariant property smplace_997 does not hold.
Invariant property smplace_996 does not hold.
Invariant property smplace_995 does not hold.
Invariant property smplace_994 does not hold.
Invariant property smplace_993 does not hold.
Invariant property smplace_992 does not hold.
Invariant property smplace_991 does not hold.
Invariant property smplace_975 does not hold.
Invariant property smplace_974 does not hold.
Invariant property smplace_973 does not hold.
Invariant property smplace_972 does not hold.
Invariant property smplace_971 does not hold.
Invariant property smplace_970 does not hold.
Invariant property smplace_969 does not hold.
Invariant property smplace_968 does not hold.
Invariant property smplace_967 does not hold.
Invariant property smplace_966 does not hold.
Invariant property smplace_965 does not hold.
Invariant property smplace_964 does not hold.
Invariant property smplace_963 does not hold.
Invariant property smplace_962 does not hold.
Invariant property smplace_961 does not hold.
Invariant property smplace_960 does not hold.
Invariant property smplace_959 does not hold.
Invariant property smplace_958 does not hold.
Invariant property smplace_957 does not hold.
Invariant property smplace_956 does not hold.
Invariant property smplace_955 does not hold.
Invariant property smplace_954 does not hold.
Invariant property smplace_953 does not hold.
Invariant property smplace_952 does not hold.
Invariant property smplace_951 does not hold.
Invariant property smplace_950 does not hold.
Invariant property smplace_949 does not hold.
Invariant property smplace_882 does not hold.
Invariant property smplace_881 does not hold.
Invariant property smplace_880 does not hold.
Invariant property smplace_865 does not hold.
Invariant property smplace_864 does not hold.
Invariant property smplace_863 does not hold.
Invariant property smplace_859 does not hold.
Invariant property smplace_858 does not hold.
Invariant property smplace_857 does not hold.
Invariant property smplace_853 does not hold.
Invariant property smplace_852 does not hold.
Invariant property smplace_851 does not hold.
Invariant property smplace_844 does not hold.
Invariant property smplace_843 does not hold.
Invariant property smplace_842 does not hold.
Invariant property smplace_808 does not hold.
Invariant property smplace_807 does not hold.
Invariant property smplace_806 does not hold.
Invariant property smplace_805 does not hold.
Invariant property smplace_804 does not hold.
Invariant property smplace_803 does not hold.
Invariant property smplace_802 does not hold.
Invariant property smplace_801 does not hold.
Invariant property smplace_800 does not hold.
Invariant property smplace_799 does not hold.
Invariant property smplace_798 does not hold.
Invariant property smplace_797 does not hold.
Invariant property smplace_796 does not hold.
Invariant property smplace_795 does not hold.
Invariant property smplace_794 does not hold.
Invariant property smplace_652 does not hold.
Invariant property smplace_651 does not hold.
Invariant property smplace_650 does not hold.
Invariant property smplace_649 does not hold.
Invariant property smplace_617 does not hold.
Invariant property smplace_616 does not hold.
Invariant property smplace_615 does not hold.
Invariant property smplace_614 does not hold.
Invariant property smplace_613 does not hold.
Invariant property smplace_612 does not hold.
Invariant property smplace_611 does not hold.
Invariant property smplace_610 does not hold.
Invariant property smplace_609 does not hold.
Invariant property smplace_608 does not hold.
Invariant property smplace_607 does not hold.
Invariant property smplace_606 does not hold.
Invariant property smplace_605 does not hold.
Invariant property smplace_604 does not hold.
Invariant property smplace_603 does not hold.
Invariant property smplace_602 does not hold.
Invariant property smplace_601 does not hold.
Invariant property smplace_600 does not hold.
Invariant property smplace_599 does not hold.
Invariant property smplace_598 does not hold.
Invariant property smplace_597 does not hold.
Invariant property smplace_596 does not hold.
Invariant property smplace_594 does not hold.
Invariant property smplace_580 does not hold.
Invariant property smplace_579 does not hold.
Invariant property smplace_578 does not hold.
Invariant property smplace_577 does not hold.
Invariant property smplace_576 does not hold.
Invariant property smplace_575 does not hold.
Invariant property smplace_574 does not hold.
Invariant property smplace_573 does not hold.
Invariant property smplace_572 does not hold.
Invariant property smplace_571 does not hold.
Invariant property smplace_570 does not hold.
Invariant property smplace_569 does not hold.
Invariant property smplace_568 does not hold.
Invariant property smplace_567 does not hold.
Invariant property smplace_566 does not hold.
Invariant property smplace_565 does not hold.
Invariant property smplace_564 does not hold.
Invariant property smplace_563 does not hold.
Invariant property smplace_562 does not hold.
Invariant property smplace_561 does not hold.
Invariant property smplace_560 does not hold.
Invariant property smplace_559 does not hold.
Invariant property smplace_558 does not hold.
Invariant property smplace_557 does not hold.
Invariant property smplace_556 does not hold.
Invariant property smplace_555 does not hold.
Invariant property smplace_554 does not hold.
Invariant property smplace_522 does not hold.
Invariant property smplace_521 does not hold.
Invariant property smplace_520 does not hold.
Invariant property smplace_519 does not hold.
Invariant property smplace_518 does not hold.
Invariant property smplace_517 does not hold.
Invariant property smplace_516 does not hold.
Invariant property smplace_515 does not hold.
Invariant property smplace_514 does not hold.
Invariant property smplace_513 does not hold.
Invariant property smplace_512 does not hold.
Invariant property smplace_511 does not hold.
Invariant property smplace_510 does not hold.
Invariant property smplace_509 does not hold.
Invariant property smplace_508 does not hold.
Invariant property smplace_507 does not hold.
Invariant property smplace_506 does not hold.
Invariant property smplace_505 does not hold.
Invariant property smplace_504 does not hold.
Invariant property smplace_503 does not hold.
Invariant property smplace_502 does not hold.
Invariant property smplace_501 does not hold.
Invariant property smplace_500 does not hold.
Invariant property smplace_499 does not hold.
Invariant property smplace_498 does not hold.
Invariant property smplace_497 does not hold.
Invariant property smplace_496 does not hold.
Invariant property smplace_495 does not hold.
Invariant property smplace_494 does not hold.
Invariant property smplace_493 does not hold.
Invariant property smplace_492 does not hold.
Invariant property smplace_491 does not hold.
Invariant property smplace_490 does not hold.
Invariant property smplace_489 does not hold.
Invariant property smplace_488 does not hold.
Invariant property smplace_487 does not hold.
Invariant property smplace_486 does not hold.
Invariant property smplace_485 does not hold.
Invariant property smplace_257 does not hold.
Invariant property smplace_256 does not hold.
Invariant property smplace_255 does not hold.
Invariant property smplace_254 does not hold.
Invariant property smplace_127 does not hold.
Invariant property smplace_126 does not hold.
Invariant property smplace_125 does not hold.
Invariant property smplace_124 does not hold.
Invariant property smplace_123 does not hold.
Invariant property smplace_122 does not hold.
Invariant property smplace_121 does not hold.
Invariant property smplace_120 does not hold.
Invariant property smplace_119 does not hold.
Invariant property smplace_118 does not hold.
Invariant property smplace_117 does not hold.
Invariant property smplace_116 does not hold.
Invariant property smplace_115 does not hold.
Invariant property smplace_114 does not hold.
Invariant property smplace_113 does not hold.
Invariant property smplace_112 does not hold.
Invariant property smplace_111 does not hold.
Invariant property smplace_110 does not hold.
Invariant property smplace_109 does not hold.
Invariant property smplace_108 does not hold.
Invariant property smplace_107 does not hold.
Invariant property smplace_106 does not hold.
Invariant property smplace_105 does not hold.
Invariant property smplace_104 does not hold.
Invariant property smplace_103 does not hold.
Invariant property smplace_102 does not hold.
Invariant property smplace_101 does not hold.
Invariant property smplace_100 does not hold.
Invariant property smplace_99 does not hold.
Invariant property smplace_98 does not hold.
Invariant property smplace_97 does not hold.
Invariant property smplace_96 does not hold.
Invariant property smplace_95 does not hold.
Invariant property smplace_94 does not hold.
Invariant property smplace_93 does not hold.
SDD proceeding with computation,266 properties remain. new max is 256
SDD size :7.63235e+32 after 2.01993e+33
At refinement iteration 8 (INCLUDED_ONLY) 0/698 variables, 0/81 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 9 (OVERLAPS) 2/700 variables, 2/83 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/700 variables, 0/83 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 11 (OVERLAPS) 139/839 variables, 25/108 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/839 variables, 0/108 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 13 (OVERLAPS) 27/866 variables, 5/113 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/866 variables, 0/113 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 15 (OVERLAPS) 2/868 variables, 2/115 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/868 variables, 0/115 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 17 (OVERLAPS) 111/979 variables, 16/131 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/979 variables, 0/131 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 19 (OVERLAPS) 60/1039 variables, 8/139 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1039 variables, 0/139 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 21 (OVERLAPS) 13/1052 variables, 2/141 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1052 variables, 0/141 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 23 (OVERLAPS) 95/1147 variables, 30/171 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1147 variables, 0/171 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 25 (OVERLAPS) 1684/2831 variables, 1147/1318 constraints. Problems are: Problem set: 228 solved, 266 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2831/2831 variables, and 1318 constraints, problems are : Problem set: 228 solved, 266 unsolved in 90015 ms.
Refiners :[Positive P Invariants (semi-flows): 50/50 constraints, Generalized P Invariants (flows): 121/121 constraints, State Equation: 1147/1147 constraints, PredecessorRefiner: 494/494 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 228 solved, 266 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/266 variables, 8/8 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/266 variables, 0/8 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 2 (OVERLAPS) 16/282 variables, 13/21 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/282 variables, 1/22 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/282 variables, 0/22 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 5 (OVERLAPS) 1/283 variables, 1/23 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/283 variables, 0/23 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 7 (OVERLAPS) 269/552 variables, 33/56 constraints. Problems are: Problem set: 228 solved, 266 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:40] [INFO ] Deduced a trap composed of 13 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:40] [INFO ] Deduced a trap composed of 36 places in 93 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:41] [INFO ] Deduced a trap composed of 36 places in 97 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:41] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:42] [INFO ] Deduced a trap composed of 47 places in 107 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:42] [INFO ] Deduced a trap composed of 42 places in 106 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:42] [INFO ] Deduced a trap composed of 44 places in 69 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:43] [INFO ] Deduced a trap composed of 33 places in 105 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:44] [INFO ] Deduced a trap composed of 23 places in 52 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/552 variables, 9/65 constraints. Problems are: Problem set: 228 solved, 266 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:46] [INFO ] Deduced a trap composed of 45 places in 82 ms of which 14 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/552 variables, 1/66 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/552 variables, 0/66 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 11 (OVERLAPS) 58/610 variables, 17/83 constraints. Problems are: Problem set: 228 solved, 266 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:19:56] [INFO ] Deduced a trap composed of 77 places in 143 ms of which 46 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/610 variables, 1/84 constraints. Problems are: Problem set: 228 solved, 266 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:20:00] [INFO ] Deduced a trap composed of 79 places in 120 ms of which 26 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/610 variables, 1/85 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/610 variables, 0/85 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 15 (OVERLAPS) 2/612 variables, 2/87 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/612 variables, 0/87 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 17 (OVERLAPS) 227/839 variables, 33/120 constraints. Problems are: Problem set: 228 solved, 266 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 66 places in 189 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:20:23] [INFO ] Deduced a trap composed of 69 places in 240 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:20:26] [INFO ] Deduced a trap composed of 44 places in 288 ms of which 50 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/839 variables, 3/123 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/839 variables, 0/123 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 20 (OVERLAPS) 27/866 variables, 5/128 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/866 variables, 0/128 constraints. Problems are: Problem set: 228 solved, 266 unsolved
At refinement iteration 22 (OVERLAPS) 2/868 variables, 2/130 constraints. Problems are: Problem set: 228 solved, 266 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 868/2831 variables, and 130 constraints, problems are : Problem set: 228 solved, 266 unsolved in 90014 ms.
Refiners :[Positive P Invariants (semi-flows): 40/50 constraints, Generalized P Invariants (flows): 75/121 constraints, State Equation: 0/1147 constraints, PredecessorRefiner: 0/494 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 180145ms problems are : Problem set: 228 solved, 266 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 266 out of 1147 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1147/1147 places, 1684/1684 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 31 transitions
Trivial Post-agglo rules discarded 31 transitions
Performed 31 trivial Post agglomeration. Transition count delta: 31
Iterating post reduction 0 with 31 rules applied. Total rules applied 31 place count 1147 transition count 1653
Reduce places removed 31 places and 0 transitions.
Iterating post reduction 1 with 31 rules applied. Total rules applied 62 place count 1116 transition count 1653
Performed 63 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 63 Pre rules applied. Total rules applied 62 place count 1116 transition count 1590
Deduced a syphon composed of 63 places in 4 ms
Ensure Unique test removed 7 places
Reduce places removed 70 places and 0 transitions.
Iterating global reduction 2 with 133 rules applied. Total rules applied 195 place count 1046 transition count 1590
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 2 with 7 rules applied. Total rules applied 202 place count 1046 transition count 1583
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 209 place count 1039 transition count 1583
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 214 place count 1034 transition count 1578
Iterating global reduction 4 with 5 rules applied. Total rules applied 219 place count 1034 transition count 1578
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 220 place count 1033 transition count 1572
Iterating global reduction 4 with 1 rules applied. Total rules applied 221 place count 1033 transition count 1572
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 221 place count 1033 transition count 1571
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 223 place count 1032 transition count 1571
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 4 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 4 with 38 rules applied. Total rules applied 261 place count 1011 transition count 1554
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 2 rules applied. Total rules applied 263 place count 1011 transition count 1552
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 265 place count 1009 transition count 1552
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 6 Pre rules applied. Total rules applied 265 place count 1009 transition count 1546
Deduced a syphon composed of 6 places in 4 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 6 with 12 rules applied. Total rules applied 277 place count 1003 transition count 1546
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 6 with 2 rules applied. Total rules applied 279 place count 1001 transition count 1546
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 280 place count 1000 transition count 1540
Iterating global reduction 7 with 1 rules applied. Total rules applied 281 place count 1000 transition count 1540
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 7 with 1 rules applied. Total rules applied 282 place count 999 transition count 1540
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 3 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 8 with 10 rules applied. Total rules applied 292 place count 994 transition count 1535
Discarding 3 places :
Symmetric choice reduction at 8 with 3 rule applications. Total rules 295 place count 991 transition count 1532
Iterating global reduction 8 with 3 rules applied. Total rules applied 298 place count 991 transition count 1532
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 299 place count 990 transition count 1531
Iterating global reduction 8 with 1 rules applied. Total rules applied 300 place count 990 transition count 1531
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 301 place count 990 transition count 1530
Free-agglomeration rule applied 2 times.
Iterating global reduction 9 with 2 rules applied. Total rules applied 303 place count 990 transition count 1528
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 305 place count 988 transition count 1528
Applied a total of 305 rules in 246 ms. Remains 988 /1147 variables (removed 159) and now considering 1528/1684 (removed 156) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 246 ms. Remains : 988/1147 places, 1528/1684 transitions.
RANDOM walk for 4000000 steps (48156 resets) in 95853 ms. (41 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (89 resets) in 248 ms. (160 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (91 resets) in 253 ms. (157 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40002 steps (91 resets) in 271 ms. (147 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (90 resets) in 249 ms. (160 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40002 steps (89 resets) in 232 ms. (171 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (93 resets) in 216 ms. (184 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (96 resets) in 242 ms. (164 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (88 resets) in 291 ms. (136 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (91 resets) in 304 ms. (131 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40002 steps (90 resets) in 286 ms. (139 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (91 resets) in 305 ms. (130 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (91 resets) in 273 ms. (145 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40001 steps (87 resets) in 309 ms. (129 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (87 resets) in 307 ms. (129 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40002 steps (91 resets) in 340 ms. (117 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (91 resets) in 266 ms. (149 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40002 steps (94 resets) in 273 ms. (145 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (91 resets) in 226 ms. (176 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (87 resets) in 256 ms. (155 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (89 resets) in 226 ms. (176 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (92 resets) in 272 ms. (146 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (97 resets) in 207 ms. (192 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (90 resets) in 215 ms. (185 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (89 resets) in 302 ms. (132 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40002 steps (88 resets) in 283 ms. (140 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (92 resets) in 224 ms. (177 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (91 resets) in 256 ms. (155 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (92 resets) in 294 ms. (135 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (87 resets) in 240 ms. (165 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (92 resets) in 229 ms. (173 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40002 steps (88 resets) in 237 ms. (168 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (88 resets) in 240 ms. (165 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (89 resets) in 261 ms. (152 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (96 resets) in 278 ms. (143 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (92 resets) in 284 ms. (140 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (91 resets) in 223 ms. (178 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (92 resets) in 235 ms. (169 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (91 resets) in 225 ms. (177 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (90 resets) in 265 ms. (150 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (90 resets) in 270 ms. (147 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (89 resets) in 240 ms. (165 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (93 resets) in 216 ms. (184 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (90 resets) in 230 ms. (173 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40001 steps (87 resets) in 218 ms. (182 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (91 resets) in 279 ms. (142 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (94 resets) in 266 ms. (149 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40003 steps (90 resets) in 247 ms. (161 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40002 steps (88 resets) in 293 ms. (136 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (93 resets) in 260 ms. (153 steps per ms) remains 266/266 properties
BEST_FIRST walk for 40004 steps (94 resets) in 267 ms. (149 steps per ms) remains 266/266 properties
Invariant property smplace_1060 does not hold.
Invariant property smplace_1059 does not hold.
Invariant property smplace_1058 does not hold.
Invariant property smplace_1057 does not hold.
Invariant property smplace_1056 does not hold.
Invariant property smplace_1055 does not hold.
Invariant property smplace_1054 does not hold.
Invariant property smplace_1053 does not hold.
Invariant property smplace_1052 does not hold.
Invariant property smplace_1051 does not hold.
Invariant property smplace_1050 does not hold.
Invariant property smplace_1049 does not hold.
Invariant property smplace_1048 does not hold.
Invariant property smplace_1043 does not hold.
Invariant property smplace_1042 does not hold.
Invariant property smplace_1041 does not hold.
Invariant property smplace_1040 does not hold.
Invariant property smplace_1039 does not hold.
Invariant property smplace_1038 does not hold.
Invariant property smplace_1037 does not hold.
Invariant property smplace_1036 does not hold.
Invariant property smplace_1035 does not hold.
Invariant property smplace_1034 does not hold.
Invariant property smplace_1033 does not hold.
Invariant property smplace_1032 does not hold.
Invariant property smplace_1031 does not hold.
Invariant property smplace_1030 does not hold.
Invariant property smplace_1029 does not hold.
Invariant property smplace_1028 does not hold.
Invariant property smplace_1027 does not hold.
Invariant property smplace_1026 does not hold.
Invariant property smplace_978 does not hold.
Invariant property smplace_977 does not hold.
Invariant property smplace_665 does not hold.
Invariant property smplace_664 does not hold.
Invariant property smplace_663 does not hold.
Invariant property smplace_662 does not hold.
Invariant property smplace_661 does not hold.
Invariant property smplace_660 does not hold.
Invariant property smplace_659 does not hold.
Invariant property smplace_658 does not hold.
Invariant property smplace_657 does not hold.
Invariant property smplace_656 does not hold.
Invariant property smplace_655 does not hold.
Invariant property smplace_654 does not hold.
Invariant property smplace_653 does not hold.
Invariant property smplace_648 does not hold.
Invariant property smplace_647 does not hold.
Invariant property smplace_646 does not hold.
Invariant property smplace_645 does not hold.
Invariant property smplace_644 does not hold.
Invariant property smplace_643 does not hold.
Invariant property smplace_642 does not hold.
Invariant property smplace_641 does not hold.
Invariant property smplace_640 does not hold.
Invariant property smplace_639 does not hold.
Invariant property smplace_638 does not hold.
Invariant property smplace_637 does not hold.
Invariant property smplace_636 does not hold.
Invariant property smplace_635 does not hold.
Invariant property smplace_634 does not hold.
Invariant property smplace_633 does not hold.
Invariant property smplace_632 does not hold.
Invariant property smplace_631 does not hold.
Invariant property smplace_583 does not hold.
Invariant property smplace_582 does not hold.
Invariant property smplace_470 does not hold.
Invariant property smplace_469 does not hold.
Invariant property smplace_468 does not hold.
Invariant property smplace_464 does not hold.
Invariant property smplace_463 does not hold.
Invariant property smplace_462 does not hold.
Invariant property smplace_461 does not hold.
Invariant property smplace_460 does not hold.
Invariant property smplace_459 does not hold.
Invariant property smplace_458 does not hold.
Invariant property smplace_457 does not hold.
Invariant property smplace_456 does not hold.
Invariant property smplace_449 does not hold.
Invariant property smplace_448 does not hold.
Invariant property smplace_447 does not hold.
Invariant property smplace_433 does not hold.
Invariant property smplace_432 does not hold.
Invariant property smplace_431 does not hold.
Invariant property smplace_426 does not hold.
Invariant property smplace_425 does not hold.
Invariant property smplace_423 does not hold.
Invariant property smplace_422 does not hold.
Invariant property smplace_421 does not hold.
Invariant property smplace_420 does not hold.
Invariant property smplace_419 does not hold.
Invariant property smplace_418 does not hold.
Invariant property smplace_413 does not hold.
Invariant property smplace_412 does not hold.
Invariant property smplace_411 does not hold.
Invariant property smplace_410 does not hold.
Invariant property smplace_409 does not hold.
Invariant property smplace_408 does not hold.
Invariant property smplace_407 does not hold.
Invariant property smplace_406 does not hold.
Invariant property smplace_405 does not hold.
Invariant property smplace_404 does not hold.
Invariant property smplace_403 does not hold.
Invariant property smplace_402 does not hold.
Invariant property smplace_401 does not hold.
Invariant property smplace_400 does not hold.
Invariant property smplace_399 does not hold.
Invariant property smplace_270 does not hold.
Invariant property smplace_269 does not hold.
Invariant property smplace_268 does not hold.
Invariant property smplace_267 does not hold.
Invariant property smplace_266 does not hold.
Invariant property smplace_265 does not hold.
Invariant property smplace_264 does not hold.
Invariant property smplace_263 does not hold.
Invariant property smplace_262 does not hold.
Invariant property smplace_261 does not hold.
Invariant property smplace_260 does not hold.
Invariant property smplace_259 does not hold.
Invariant property smplace_258 does not hold.
Invariant property smplace_253 does not hold.
Invariant property smplace_252 does not hold.
Invariant property smplace_251 does not hold.
Invariant property smplace_250 does not hold.
Invariant property smplace_249 does not hold.
Invariant property smplace_248 does not hold.
Invariant property smplace_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_242 does not hold.
Invariant property smplace_241 does not hold.
Invariant property smplace_240 does not hold.
Invariant property smplace_239 does not hold.
Invariant property smplace_238 does not hold.
Invariant property smplace_237 does not hold.
Invariant property smplace_236 does not hold.
Invariant property smplace_222 does not hold.
Invariant property smplace_221 does not hold.
Invariant property smplace_220 does not hold.
Invariant property smplace_219 does not hold.
Invariant property smplace_218 does not hold.
Invariant property smplace_217 does not hold.
Invariant property smplace_216 does not hold.
Invariant property smplace_215 does not hold.
Invariant property smplace_214 does not hold.
Invariant property smplace_213 does not hold.
Invariant property smplace_212 does not hold.
Invariant property smplace_211 does not hold.
Invariant property smplace_210 does not hold.
Invariant property smplace_209 does not hold.
Invariant property smplace_208 does not hold.
Invariant property smplace_207 does not hold.
Invariant property smplace_206 does not hold.
Invariant property smplace_205 does not hold.
Invariant property smplace_204 does not hold.
Invariant property smplace_203 does not hold.
Invariant property smplace_202 does not hold.
Invariant property smplace_201 does not hold.
Invariant property smplace_199 does not hold.
Invariant property smplace_188 does not hold.
Invariant property smplace_187 does not hold.
Invariant property smplace_185 does not hold.
Invariant property smplace_184 does not hold.
Invariant property smplace_183 does not hold.
Invariant property smplace_182 does not hold.
Invariant property smplace_181 does not hold.
Invariant property smplace_180 does not hold.
Invariant property smplace_179 does not hold.
Invariant property smplace_178 does not hold.
Invariant property smplace_177 does not hold.
Invariant property smplace_176 does not hold.
Invariant property smplace_175 does not hold.
Invariant property smplace_174 does not hold.
Invariant property smplace_173 does not hold.
Invariant property smplace_172 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_170 does not hold.
Invariant property smplace_169 does not hold.
Invariant property smplace_168 does not hold.
Invariant property smplace_167 does not hold.
Invariant property smplace_166 does not hold.
Invariant property smplace_165 does not hold.
Invariant property smplace_164 does not hold.
Invariant property smplace_163 does not hold.
Invariant property smplace_162 does not hold.
Invariant property smplace_161 does not hold.
Invariant property smplace_160 does not hold.
Invariant property smplace_159 does not hold.
Invariant property smplace_92 does not hold.
Invariant property smplace_91 does not hold.
Invariant property smplace_90 does not hold.
Invariant property smplace_80 does not hold.
Invariant property smplace_79 does not hold.
Invariant property smplace_78 does not hold.
Invariant property smplace_77 does not hold.
Invariant property smplace_76 does not hold.
Invariant property smplace_75 does not hold.
Invariant property smplace_74 does not hold.
Invariant property smplace_73 does not hold.
Invariant property smplace_72 does not hold.
Invariant property smplace_71 does not hold.
Invariant property smplace_70 does not hold.
Invariant property smplace_69 does not hold.
Invariant property smplace_68 does not hold.
Invariant property smplace_67 does not hold.
Invariant property smplace_66 does not hold.
Invariant property smplace_65 does not hold.
Invariant property smplace_64 does not hold.
Invariant property smplace_63 does not hold.
Invariant property smplace_62 does not hold.
Invariant property smplace_60 does not hold.
Invariant property smplace_59 does not hold.
Invariant property smplace_58 does not hold.
Invariant property smplace_57 does not hold.
Invariant property smplace_56 does not hold.
Invariant property smplace_52 does not hold.
Invariant property smplace_51 does not hold.
Invariant property smplace_50 does not hold.
Invariant property smplace_49 does not hold.
Invariant property smplace_48 does not hold.
Invariant property smplace_47 does not hold.
Invariant property smplace_43 does not hold.
Invariant property smplace_42 does not hold.
Invariant property smplace_41 does not hold.
Invariant property smplace_40 does not hold.
Invariant property smplace_39 does not hold.
Invariant property smplace_38 does not hold.
Invariant property smplace_37 does not hold.
Invariant property smplace_36 does not hold.
Invariant property smplace_35 does not hold.
Invariant property smplace_34 does not hold.
Invariant property smplace_33 does not hold.
Invariant property smplace_32 does not hold.
Invariant property smplace_31 does not hold.
Invariant property smplace_30 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_28 does not hold.
Invariant property smplace_27 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_24 does not hold.
Invariant property smplace_23 does not hold.
Invariant property smplace_22 does not hold.
Invariant property smplace_21 does not hold.
Invariant property smplace_20 does not hold.
Invariant property smplace_19 does not hold.
Invariant property smplace_18 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_15 does not hold.
Invariant property smplace_14 does not hold.
Invariant property smplace_13 does not hold.
Invariant property smplace_12 does not hold.
Invariant property smplace_11 does not hold.
Invariant property smplace_10 does not hold.
Invariant property smplace_9 does not hold.
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :6.26833e+36 after 1.9675e+37
Interrupted probabilistic random walk after 6534680 steps, run timeout after 87001 ms. (steps per millisecond=75 ) properties seen :0 out of 266
Probabilistic random walk after 6534680 steps, saw 1186880 distinct states, run finished after 87001 ms. (steps per millisecond=75 ) properties seen :0
// Phase 1: matrix 1528 rows 988 cols
[2025-05-29 18:22:58] [INFO ] Computed 157 invariants in 12 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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 49/57 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 14/71 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 131/202 variables, 15/25 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 25/227 variables, 9/34 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/227 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 114/341 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/341 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 25/366 variables, 6/54 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/366 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 1/367 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/367 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 119/486 variables, 16/71 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/486 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 36/522 variables, 4/75 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/522 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 2/524 variables, 2/77 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/524 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (OVERLAPS) 107/631 variables, 16/93 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/631 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 23 (OVERLAPS) 43/674 variables, 6/99 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/674 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 25 (OVERLAPS) 1/675 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/675 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 27 (OVERLAPS) 144/819 variables, 17/117 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/819 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 29 (OVERLAPS) 62/881 variables, 8/125 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/881 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 31 (OVERLAPS) 2/883 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/883 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 33 (OVERLAPS) 103/986 variables, 28/155 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 34 (INCLUDED_ONLY) 0/986 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 35 (OVERLAPS) 1/987 variables, 1/156 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 36 (INCLUDED_ONLY) 0/987 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 37 (OVERLAPS) 1/988 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 38 (INCLUDED_ONLY) 0/988 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 39 (OVERLAPS) 1528/2516 variables, 988/1145 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 40 (INCLUDED_ONLY) 0/2516 variables, 0/1145 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 41 (OVERLAPS) 0/2516 variables, 0/1145 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2516/2516 variables, and 1145 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2627 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, Generalized P Invariants (flows): 113/113 constraints, State Equation: 988/988 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 49/57 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 14/71 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:01] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 131/202 variables, 15/26 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:23:01] [INFO ] Deduced a trap composed of 34 places in 65 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 25/227 variables, 9/36 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/227 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 114/341 variables, 14/50 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 25/366 variables, 6/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/366 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 1/367 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/367 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 119/486 variables, 16/73 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/486 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 36/522 variables, 4/77 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/522 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (OVERLAPS) 2/524 variables, 2/79 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/524 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 23 (OVERLAPS) 107/631 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/631 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 25 (OVERLAPS) 43/674 variables, 6/101 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/674 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 27 (OVERLAPS) 1/675 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/675 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 29 (OVERLAPS) 144/819 variables, 17/119 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/819 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 31 (OVERLAPS) 62/881 variables, 8/127 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/881 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 33 (OVERLAPS) 2/883 variables, 2/129 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 34 (INCLUDED_ONLY) 0/883 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 35 (OVERLAPS) 103/986 variables, 28/157 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 36 (INCLUDED_ONLY) 0/986 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 37 (OVERLAPS) 1/987 variables, 1/158 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 38 (INCLUDED_ONLY) 0/987 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 39 (OVERLAPS) 1/988 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 40 (INCLUDED_ONLY) 0/988 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 41 (OVERLAPS) 1528/2516 variables, 988/1147 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 42 (INCLUDED_ONLY) 0/2516 variables, 8/1155 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 43 (INCLUDED_ONLY) 0/2516 variables, 0/1155 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 44 (OVERLAPS) 0/2516 variables, 0/1155 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2516/2516 variables, and 1155 constraints, problems are : Problem set: 0 solved, 8 unsolved in 6804 ms.
Refiners :[Positive P Invariants (semi-flows): 44/44 constraints, Generalized P Invariants (flows): 113/113 constraints, State Equation: 988/988 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9474ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 2052 ms.
Support contains 8 out of 988 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 988/988 places, 1528/1528 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 58 transitions
Trivial Post-agglo rules discarded 58 transitions
Performed 58 trivial Post agglomeration. Transition count delta: 58
Iterating post reduction 0 with 58 rules applied. Total rules applied 58 place count 988 transition count 1470
Reduce places removed 58 places and 0 transitions.
Iterating post reduction 1 with 58 rules applied. Total rules applied 116 place count 930 transition count 1470
Performed 66 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 66 Pre rules applied. Total rules applied 116 place count 930 transition count 1404
Deduced a syphon composed of 66 places in 2 ms
Ensure Unique test removed 8 places
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 2 with 140 rules applied. Total rules applied 256 place count 856 transition count 1404
Discarding 1 places :
Implicit places reduction removed 1 places
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 2 with 6 rules applied. Total rules applied 262 place count 855 transition count 1399
Reduce places removed 5 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 7 rules applied. Total rules applied 269 place count 849 transition count 1398
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 270 place count 848 transition count 1398
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 3 Pre rules applied. Total rules applied 270 place count 848 transition count 1395
Deduced a syphon composed of 3 places in 2 ms
Ensure Unique test removed 3 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 9 rules applied. Total rules applied 279 place count 842 transition count 1395
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 3 Pre rules applied. Total rules applied 279 place count 842 transition count 1392
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 5 with 6 rules applied. Total rules applied 285 place count 839 transition count 1392
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 289 place count 835 transition count 1388
Iterating global reduction 5 with 4 rules applied. Total rules applied 293 place count 835 transition count 1388
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 3 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 5 with 30 rules applied. Total rules applied 323 place count 819 transition count 1374
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 324 place count 819 transition count 1373
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 325 place count 818 transition count 1373
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 3 Pre rules applied. Total rules applied 325 place count 818 transition count 1370
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 331 place count 815 transition count 1370
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 7 with 1 rules applied. Total rules applied 332 place count 814 transition count 1370
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 334 place count 812 transition count 1363
Ensure Unique test removed 1 places
Iterating global reduction 8 with 3 rules applied. Total rules applied 337 place count 811 transition count 1363
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 8 with 1 rules applied. Total rules applied 338 place count 810 transition count 1363
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 339 place count 809 transition count 1362
Iterating global reduction 9 with 1 rules applied. Total rules applied 340 place count 809 transition count 1362
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 2 rules applied. Total rules applied 342 place count 809 transition count 1360
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 343 place count 808 transition count 1360
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 3 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 11 with 6 rules applied. Total rules applied 349 place count 805 transition count 1357
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 351 place count 803 transition count 1355
Iterating global reduction 11 with 2 rules applied. Total rules applied 353 place count 803 transition count 1355
Discarding 1 places :
Symmetric choice reduction at 11 with 1 rule applications. Total rules 354 place count 802 transition count 1354
Iterating global reduction 11 with 1 rules applied. Total rules applied 355 place count 802 transition count 1354
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 356 place count 802 transition count 1353
Free-agglomeration rule applied 1 times.
Iterating global reduction 12 with 1 rules applied. Total rules applied 357 place count 802 transition count 1352
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 358 place count 801 transition count 1352
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 13 with 1 rules applied. Total rules applied 359 place count 801 transition count 1351
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 361 place count 799 transition count 1351
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 14 with 1 Pre rules applied. Total rules applied 361 place count 799 transition count 1350
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 14 with 2 rules applied. Total rules applied 363 place count 798 transition count 1350
Applied a total of 363 rules in 371 ms. Remains 798 /988 variables (removed 190) and now considering 1350/1528 (removed 178) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 371 ms. Remains : 798/988 places, 1350/1528 transitions.
RANDOM walk for 4000000 steps (47938 resets) in 22250 ms. (179 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (9173 resets) in 6942 ms. (576 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (9239 resets) in 6789 ms. (589 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (9213 resets) in 6832 ms. (585 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000002 steps (9252 resets) in 6738 ms. (593 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (9256 resets) in 7349 ms. (544 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (9242 resets) in 6823 ms. (586 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (9248 resets) in 7326 ms. (545 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (9253 resets) in 7334 ms. (545 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 7824961 steps, run timeout after 66001 ms. (steps per millisecond=118 ) properties seen :0 out of 8
Probabilistic random walk after 7824961 steps, saw 1398091 distinct states, run finished after 66001 ms. (steps per millisecond=118 ) properties seen :0
// Phase 1: matrix 1350 rows 798 cols
[2025-05-29 18:24:39] [INFO ] Computed 138 invariants in 18 ms
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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 27/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 1/36 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 57/93 variables, 8/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 7/100 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 1/101 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/101 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 100/201 variables, 14/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/201 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 10/211 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/211 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 1/212 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/212 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 111/323 variables, 16/54 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/323 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 26/349 variables, 5/59 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/349 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (OVERLAPS) 1/350 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 23 (OVERLAPS) 91/441 variables, 14/74 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/441 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 25 (OVERLAPS) 43/484 variables, 6/80 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/484 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 27 (OVERLAPS) 1/485 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/485 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 29 (OVERLAPS) 144/629 variables, 17/98 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/629 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 31 (OVERLAPS) 62/691 variables, 8/106 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/691 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 33 (OVERLAPS) 2/693 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 34 (INCLUDED_ONLY) 0/693 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 35 (OVERLAPS) 103/796 variables, 28/136 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 36 (INCLUDED_ONLY) 0/796 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 37 (OVERLAPS) 1/797 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 38 (INCLUDED_ONLY) 0/797 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 39 (OVERLAPS) 1/798 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 40 (INCLUDED_ONLY) 0/798 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 41 (OVERLAPS) 1350/2148 variables, 798/936 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 42 (INCLUDED_ONLY) 0/2148 variables, 0/936 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 43 (OVERLAPS) 0/2148 variables, 0/936 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2148/2148 variables, and 936 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2017 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 103/103 constraints, State Equation: 798/798 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 27/35 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 1/36 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/36 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 57/93 variables, 8/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/93 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 7/100 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/100 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 1/101 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/101 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 100/201 variables, 14/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/201 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 10/211 variables, 4/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/211 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 1/212 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/212 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 111/323 variables, 16/54 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/323 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 26/349 variables, 5/59 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/349 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (OVERLAPS) 1/350 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/350 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 23 (OVERLAPS) 91/441 variables, 14/74 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/441 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 25 (OVERLAPS) 43/484 variables, 6/80 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/484 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 27 (OVERLAPS) 1/485 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/485 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 29 (OVERLAPS) 144/629 variables, 17/98 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/629 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 31 (OVERLAPS) 62/691 variables, 8/106 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/691 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 33 (OVERLAPS) 2/693 variables, 2/108 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 34 (INCLUDED_ONLY) 0/693 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 35 (OVERLAPS) 103/796 variables, 28/136 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 36 (INCLUDED_ONLY) 0/796 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 37 (OVERLAPS) 1/797 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 38 (INCLUDED_ONLY) 0/797 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 39 (OVERLAPS) 1/798 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 40 (INCLUDED_ONLY) 0/798 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 41 (OVERLAPS) 1350/2148 variables, 798/936 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 42 (INCLUDED_ONLY) 0/2148 variables, 8/944 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 43 (INCLUDED_ONLY) 0/2148 variables, 0/944 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 44 (OVERLAPS) 0/2148 variables, 0/944 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2148/2148 variables, and 944 constraints, problems are : Problem set: 0 solved, 8 unsolved in 4347 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 103/103 constraints, State Equation: 798/798 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6396ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 3088 ms.
Support contains 8 out of 798 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 798/798 places, 1350/1350 transitions.
Applied a total of 0 rules in 25 ms. Remains 798 /798 variables (removed 0) and now considering 1350/1350 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 798/798 places, 1350/1350 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 798/798 places, 1350/1350 transitions.
Applied a total of 0 rules in 30 ms. Remains 798 /798 variables (removed 0) and now considering 1350/1350 (removed 0) transitions.
[2025-05-29 18:24:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:24:49] [INFO ] Implicit Places using invariants in 714 ms returned [0, 18, 19, 31, 49, 67, 86, 152, 153, 154, 172, 190, 259, 263, 264, 275, 276, 277, 295, 313, 332, 382, 383, 394, 395, 397, 414, 432, 501, 505, 506, 517, 518, 520, 537, 555, 624, 628, 629, 632, 643, 644, 645, 663, 665, 669, 687, 688, 689, 690, 702, 708, 714, 720, 726, 732, 738, 744, 750, 756, 762]
[2025-05-29 18:24:49] [INFO ] Actually due to overlaps returned [663, 645, 49, 172, 295, 414, 537, 669, 154, 397, 520, 31, 153, 276, 277, 394, 517, 643, 687, 152, 275, 395, 518, 644, 665, 688, 0, 19, 263, 264, 382, 383, 505, 506, 628, 629, 190, 432, 555, 689, 732, 750, 762, 18, 67, 86, 313, 332, 632, 690, 702, 708, 714, 720, 726, 738, 744, 756]
Discarding 58 places :
Implicit Place search using SMT only with invariants took 720 ms to find 58 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 740/798 places, 1350/1350 transitions.
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 108 transitions
Trivial Post-agglo rules discarded 108 transitions
Performed 108 trivial Post agglomeration. Transition count delta: 108
Iterating post reduction 0 with 111 rules applied. Total rules applied 111 place count 737 transition count 1242
Reduce places removed 108 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 1 with 113 rules applied. Total rules applied 224 place count 629 transition count 1237
Performed 27 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 27 Pre rules applied. Total rules applied 224 place count 629 transition count 1210
Deduced a syphon composed of 27 places in 2 ms
Ensure Unique test removed 1 places
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 2 with 55 rules applied. Total rules applied 279 place count 601 transition count 1210
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 291 place count 597 transition count 1202
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 299 place count 589 transition count 1202
Discarding 15 places :
Symmetric choice reduction at 4 with 15 rule applications. Total rules 314 place count 574 transition count 1187
Iterating global reduction 4 with 15 rules applied. Total rules applied 329 place count 574 transition count 1187
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 332 place count 574 transition count 1184
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 332 place count 574 transition count 1183
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 334 place count 573 transition count 1183
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 337 place count 570 transition count 1177
Iterating global reduction 5 with 3 rules applied. Total rules applied 340 place count 570 transition count 1177
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 341 place count 569 transition count 1176
Iterating global reduction 5 with 1 rules applied. Total rules applied 342 place count 569 transition count 1176
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 343 place count 568 transition count 1174
Iterating global reduction 5 with 1 rules applied. Total rules applied 344 place count 568 transition count 1174
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Deduced a syphon composed of 41 places in 2 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 5 with 82 rules applied. Total rules applied 426 place count 527 transition count 1133
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 429 place count 524 transition count 1130
Iterating global reduction 5 with 3 rules applied. Total rules applied 432 place count 524 transition count 1130
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 435 place count 524 transition count 1127
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 439 place count 522 transition count 1128
Free-agglomeration rule (complex) applied 12 times.
Iterating global reduction 6 with 12 rules applied. Total rules applied 451 place count 522 transition count 1116
Ensure Unique test removed 1 places
Reduce places removed 13 places and 0 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 464 place count 509 transition count 1116
Partial Free-agglomeration rule applied 15 times.
Drop transitions (Partial Free agglomeration) removed 15 transitions
Iterating global reduction 7 with 15 rules applied. Total rules applied 479 place count 509 transition count 1116
Applied a total of 479 rules in 182 ms. Remains 509 /740 variables (removed 231) and now considering 1116/1350 (removed 234) transitions.
// Phase 1: matrix 1116 rows 509 cols
[2025-05-29 18:24:49] [INFO ] Computed 71 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:24:49] [INFO ] Implicit Places using invariants in 411 ms returned [87, 93, 96, 98, 109, 110, 162, 179, 185, 188, 190, 195, 196, 262, 268, 271, 273, 278, 279, 331, 348, 354, 357, 359, 364, 365, 417, 434, 440, 443, 445]
[2025-05-29 18:24:49] [INFO ] Actually due to overlaps returned [109, 195, 278, 364, 110, 196, 279, 365, 87, 93, 98, 179, 185, 190, 262, 268, 273, 348, 354, 359, 434, 440, 445, 162, 331, 417]
Discarding 26 places :
Implicit Place search using SMT only with invariants took 415 ms to find 26 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 483/798 places, 1116/1350 transitions.
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 20 place count 463 transition count 1096
Iterating global reduction 0 with 20 rules applied. Total rules applied 40 place count 463 transition count 1096
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 45 place count 458 transition count 1091
Iterating global reduction 0 with 5 rules applied. Total rules applied 50 place count 458 transition count 1091
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 2 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 66 place count 450 transition count 1083
Free-agglomeration rule applied 15 times.
Iterating global reduction 0 with 15 rules applied. Total rules applied 81 place count 450 transition count 1068
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 96 place count 435 transition count 1068
Free-agglomeration rule (complex) applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 99 place count 435 transition count 1065
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 102 place count 432 transition count 1065
Applied a total of 102 rules in 86 ms. Remains 432 /483 variables (removed 51) and now considering 1065/1116 (removed 51) transitions.
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:24:49] [INFO ] Computed 45 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:24:50] [INFO ] Implicit Places using invariants in 285 ms returned []
[2025-05-29 18:24:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:24:51] [INFO ] Implicit Places using invariants and state equation in 774 ms returned []
Implicit Place search using SMT with State Equation took 1060 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 432/798 places, 1065/1350 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 2496 ms. Remains : 432/798 places, 1065/1350 transitions.
RANDOM walk for 4000000 steps (74461 resets) in 16661 ms. (240 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17930 resets) in 6003 ms. (666 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (17978 resets) in 5720 ms. (699 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17959 resets) in 5815 ms. (687 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (18019 resets) in 6117 ms. (653 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000002 steps (17920 resets) in 5455 ms. (733 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17854 resets) in 6051 ms. (660 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (18013 resets) in 5763 ms. (693 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17900 resets) in 5740 ms. (696 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 4402311 steps, run timeout after 54001 ms. (steps per millisecond=81 ) properties seen :0 out of 8
Probabilistic random walk after 4402311 steps, saw 1997543 distinct states, run finished after 54001 ms. (steps per millisecond=81 ) properties seen :0
[2025-05-29 18:26:03] [INFO ] Invariant cache hit.
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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 10/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 8 unsolved in 947 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 10/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:26:05] [INFO ] Deduced a trap composed of 13 places in 83 ms of which 5 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/432 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/432 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (OVERLAPS) 1065/1497 variables, 432/478 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1497 variables, 8/486 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 23 (OVERLAPS) 0/1497 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 486 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2319 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3282ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 6 different solutions.
Parikh walk visited 0 properties in 3236 ms.
Support contains 8 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Applied a total of 0 rules in 15 ms. Remains 432 /432 variables (removed 0) and now considering 1065/1065 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 432/432 places, 1065/1065 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Applied a total of 0 rules in 15 ms. Remains 432 /432 variables (removed 0) and now considering 1065/1065 (removed 0) transitions.
[2025-05-29 18:26:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:26:10] [INFO ] Implicit Places using invariants in 298 ms returned []
[2025-05-29 18:26:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:26:11] [INFO ] Implicit Places using invariants and state equation in 835 ms returned []
Implicit Place search using SMT with State Equation took 1135 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:26:11] [INFO ] Redundant transitions in 61 ms returned []
Running 1036 sub problems to find dead transitions.
[2025-05-29 18:26:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/431 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/431 variables, 31/41 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:26:23] [INFO ] Deduced a trap composed of 29 places in 75 ms of which 7 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/431 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 431/1497 variables, and 42 constraints, problems are : Problem set: 0 solved, 1036 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/13 constraints, Generalized P Invariants (flows): 31/32 constraints, State Equation: 0/432 constraints, PredecessorRefiner: 1036/1036 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1036 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/431 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/431 variables, 31/41 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/431 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/431 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 4 (OVERLAPS) 1/432 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:27:08] [INFO ] Deduced a trap composed of 89 places in 306 ms of which 86 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:27:10] [INFO ] Deduced a trap composed of 13 places in 99 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 432/1497 variables, and 48 constraints, problems are : Problem set: 0 solved, 1036 unsolved in 30049 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 0/432 constraints, PredecessorRefiner: 0/1036 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60478ms problems are : Problem set: 0 solved, 1036 unsolved
Search for dead transitions found 0 dead transitions in 60486ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61715 ms. Remains : 432/432 places, 1065/1065 transitions.
RANDOM walk for 400000 steps (7377 resets) in 3308 ms. (120 steps per ms) remains 8/8 properties
Running SMT prover for 8 properties.
[2025-05-29 18:27:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:27:13] [INFO ] [Real]Absence check using 13 positive place invariants in 4 ms returned sat
[2025-05-29 18:27:13] [INFO ] [Real]Absence check using 13 positive and 32 generalized place invariants in 13 ms returned sat
[2025-05-29 18:27:13] [INFO ] After 303ms SMT Verify possible using state equation in real domain returned unsat :0 sat :8
TRAPS : Iteration 0
[2025-05-29 18:27:14] [INFO ] After 722ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:8
[2025-05-29 18:27:14] [INFO ] After 805ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:27:14] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-05-29 18:27:14] [INFO ] [Nat]Absence check using 13 positive and 32 generalized place invariants in 11 ms returned sat
[2025-05-29 18:27:14] [INFO ] After 297ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
TRAPS : Iteration 0
[2025-05-29 18:27:14] [INFO ] After 697ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
[2025-05-29 18:27:14] [INFO ] After 782ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
RANDOM walk for 4000000 steps (73853 resets) in 18172 ms. (220 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17932 resets) in 5940 ms. (673 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17947 resets) in 5988 ms. (667 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17941 resets) in 5956 ms. (671 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17930 resets) in 6065 ms. (659 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000004 steps (17937 resets) in 5903 ms. (677 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17944 resets) in 5959 ms. (671 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17855 resets) in 6008 ms. (665 steps per ms) remains 8/8 properties
BEST_FIRST walk for 4000003 steps (17883 resets) in 6287 ms. (636 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 5018825 steps, run timeout after 57001 ms. (steps per millisecond=88 ) properties seen :0 out of 8
Probabilistic random walk after 5018825 steps, saw 2130276 distinct states, run finished after 57001 ms. (steps per millisecond=88 ) properties seen :0
[2025-05-29 18:28:30] [INFO ] Invariant cache hit.
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) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 10/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 8 unsolved in 935 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 10/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:28:32] [INFO ] Deduced a trap composed of 13 places in 94 ms of which 6 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/432 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/432 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (OVERLAPS) 1065/1497 variables, 432/478 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1497 variables, 8/486 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 23 (OVERLAPS) 0/1497 variables, 0/486 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 486 constraints, problems are : Problem set: 0 solved, 8 unsolved in 2392 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3338ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 6 different solutions.
Detected timeout of ITS tools.
Parikh walk visited 0 properties in 2616 ms.
Support contains 8 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Applied a total of 0 rules in 14 ms. Remains 432 /432 variables (removed 0) and now considering 1065/1065 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 432/432 places, 1065/1065 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Applied a total of 0 rules in 14 ms. Remains 432 /432 variables (removed 0) and now considering 1065/1065 (removed 0) transitions.
[2025-05-29 18:28:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:28:37] [INFO ] Implicit Places using invariants in 278 ms returned []
[2025-05-29 18:28:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:28:37] [INFO ] Implicit Places using invariants and state equation in 795 ms returned []
Implicit Place search using SMT with State Equation took 1076 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:28:37] [INFO ] Redundant transitions in 88 ms returned []
Running 1036 sub problems to find dead transitions.
[2025-05-29 18:28:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/431 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/431 variables, 31/41 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:28:49] [INFO ] Deduced a trap composed of 29 places in 84 ms of which 7 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/431 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 431/1497 variables, and 42 constraints, problems are : Problem set: 0 solved, 1036 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 10/13 constraints, Generalized P Invariants (flows): 31/32 constraints, State Equation: 0/432 constraints, PredecessorRefiner: 1036/1036 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1036 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/431 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/431 variables, 31/41 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/431 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/431 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 4 (OVERLAPS) 1/432 variables, 3/45 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/432 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1036 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:29:33] [INFO ] Deduced a trap composed of 89 places in 290 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:29:35] [INFO ] Deduced a trap composed of 13 places in 92 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 432/1497 variables, and 48 constraints, problems are : Problem set: 0 solved, 1036 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 0/432 constraints, PredecessorRefiner: 0/1036 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60292ms problems are : Problem set: 0 solved, 1036 unsolved
Search for dead transitions found 0 dead transitions in 60294ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61482 ms. Remains : 432/432 places, 1065/1065 transitions.
RANDOM walk for 400000 steps (7401 resets) in 1670 ms. (239 steps per ms) remains 8/8 properties
Running SMT prover for 8 properties.
[2025-05-29 18:29:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:29:38] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-05-29 18:29:38] [INFO ] [Real]Absence check using 13 positive and 32 generalized place invariants in 11 ms returned sat
[2025-05-29 18:29:39] [INFO ] After 295ms SMT Verify possible using state equation in real domain returned unsat :0 sat :8
TRAPS : Iteration 0
[2025-05-29 18:29:39] [INFO ] After 701ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:8
[2025-05-29 18:29:39] [INFO ] After 778ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:29:39] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-05-29 18:29:39] [INFO ] [Nat]Absence check using 13 positive and 32 generalized place invariants in 12 ms returned sat
[2025-05-29 18:29:39] [INFO ] After 280ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
TRAPS : Iteration 0
[2025-05-29 18:29:40] [INFO ] After 690ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
[2025-05-29 18:29:40] [INFO ] After 778ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
RANDOM walk for 40000 steps (722 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (182 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 415182 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 415182 steps, saw 292644 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
[2025-05-29 18:29:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/18 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 1 unsolved in 416 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/18 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 478 constraints, problems are : Problem set: 0 solved, 1 unsolved in 530 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 959ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 56 ms.
Support contains 1 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 432 transition count 1062
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 429 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 6 place count 429 transition count 1061
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 8 place count 428 transition count 1061
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 426 transition count 1059
Applied a total of 12 rules in 31 ms. Remains 426 /432 variables (removed 6) and now considering 1059/1065 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 426/432 places, 1059/1065 transitions.
RANDOM walk for 40000 steps (778 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (187 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 421008 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 1
Probabilistic random walk after 421008 steps, saw 296782 distinct states, run finished after 3001 ms. (steps per millisecond=140 ) properties seen :0
// Phase 1: matrix 1059 rows 426 cols
[2025-05-29 18:29:47] [INFO ] Computed 45 invariants in 19 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/103 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/105 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 134/239 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/246 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/259 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/259 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 33/292 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/292 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 99/391 variables, 13/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/391 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 22/413 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/413 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 13/426 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/426 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 1059/1485 variables, 426/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1485 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1485 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1485/1485 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 343 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 426/426 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/103 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/105 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 134/239 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/246 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/259 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/259 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 33/292 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/292 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 99/391 variables, 13/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/391 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 22/413 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/413 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 13/426 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:29:48] [INFO ] Deduced a trap composed of 71 places in 166 ms of which 31 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/426 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/426 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 1059/1485 variables, 426/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1485 variables, 1/473 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1485 variables, 0/473 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1485 variables, 0/473 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1485/1485 variables, and 473 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1520 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 426/426 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1890ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 141 ms.
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 13 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 426/426 places, 1059/1059 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 13 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
[2025-05-29 18:29:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:29:49] [INFO ] Implicit Places using invariants in 285 ms returned [87]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 288 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 425/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 15 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 317 ms. Remains : 425/426 places, 1059/1059 transitions.
RANDOM walk for 40000 steps (754 resets) in 168 ms. (236 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (178 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 409813 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 409813 steps, saw 288720 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
// Phase 1: matrix 1059 rows 425 cols
[2025-05-29 18:29:52] [INFO ] Computed 44 invariants in 16 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/102 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/104 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/238 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/242 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 91/333 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/333 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/350 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/401 variables, 7/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/401 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/423 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/425 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/425 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1059/1484 variables, 425/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1484 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1484 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1484/1484 variables, and 469 constraints, problems are : Problem set: 0 solved, 1 unsolved in 344 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/102 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/104 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/238 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/242 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 91/333 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/333 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/350 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/401 variables, 7/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/401 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/423 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/425 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/425 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1059/1484 variables, 425/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1484 variables, 1/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1484 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1484 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1484/1484 variables, and 470 constraints, problems are : Problem set: 0 solved, 1 unsolved in 686 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1056ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 56 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1059/1059 transitions.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 425/425 places, 1059/1059 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1059/1059 transitions.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
[2025-05-29 18:29:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:29:54] [INFO ] Implicit Places using invariants in 333 ms returned []
[2025-05-29 18:29:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:29:55] [INFO ] Implicit Places using invariants and state equation in 823 ms returned []
Implicit Place search using SMT with State Equation took 1160 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:29:55] [INFO ] Redundant transitions in 10 ms returned []
Running 1030 sub problems to find dead transitions.
[2025-05-29 18:29:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/424 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/424 variables, 32/40 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/424 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 3 (OVERLAPS) 1/425 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
SMT process timed out in 30285ms, After SMT, problems are : Problem set: 0 solved, 1030 unsolved
Search for dead transitions found 0 dead transitions in 30288ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31481 ms. Remains : 425/425 places, 1059/1059 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 15 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-29 18:30:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:30:25] [INFO ] After 75ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:30:25] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-05-29 18:30:25] [INFO ] [Nat]Absence check using 11 positive and 33 generalized place invariants in 12 ms returned sat
[2025-05-29 18:30:26] [INFO ] After 279ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 18:30:26] [INFO ] After 329ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 18:30:26] [INFO ] After 436ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 536 ms.
RANDOM walk for 40000 steps (775 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (159 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 412604 steps, run timeout after 3001 ms. (steps per millisecond=137 ) properties seen :0 out of 1
Probabilistic random walk after 412604 steps, saw 290782 distinct states, run finished after 3001 ms. (steps per millisecond=137 ) properties seen :0
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:30:29] [INFO ] Computed 45 invariants in 13 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/18 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 1 unsolved in 442 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 10/18 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 478 constraints, problems are : Problem set: 0 solved, 1 unsolved in 516 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 977ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 49 ms.
Support contains 1 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 432 transition count 1062
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 429 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 6 place count 429 transition count 1061
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 8 place count 428 transition count 1061
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 426 transition count 1059
Applied a total of 12 rules in 31 ms. Remains 426 /432 variables (removed 6) and now considering 1059/1065 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 426/432 places, 1059/1065 transitions.
RANDOM walk for 40000 steps (761 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (175 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 415635 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 415635 steps, saw 292979 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
// Phase 1: matrix 1059 rows 426 cols
[2025-05-29 18:30:33] [INFO ] Computed 45 invariants in 13 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/103 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/105 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 134/239 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/246 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/259 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/259 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 33/292 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/292 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 99/391 variables, 13/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/391 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 22/413 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/413 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 13/426 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:30:33] [INFO ] Deduced a trap composed of 25 places in 67 ms of which 7 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/426 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/426 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 1059/1485 variables, 426/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1485 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1485 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1485/1485 variables, and 472 constraints, problems are : Problem set: 0 solved, 1 unsolved in 516 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 426/426 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 95/103 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/105 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 134/239 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/239 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/246 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 13/259 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/259 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 33/292 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/292 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 99/391 variables, 13/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/391 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 22/413 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/413 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 13/426 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/426 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/426 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 1059/1485 variables, 426/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1485 variables, 1/473 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1485 variables, 0/473 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/1485 variables, 0/473 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1485/1485 variables, and 473 constraints, problems are : Problem set: 0 solved, 1 unsolved in 518 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 426/426 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1054ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 417 ms.
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 14 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 426/426 places, 1059/1059 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 22 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
[2025-05-29 18:30:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:30:35] [INFO ] Implicit Places using invariants in 285 ms returned []
[2025-05-29 18:30:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:30:35] [INFO ] Implicit Places using invariants and state equation in 765 ms returned []
Implicit Place search using SMT with State Equation took 1063 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:30:35] [INFO ] Redundant transitions in 51 ms returned []
Running 1030 sub problems to find dead transitions.
[2025-05-29 18:30:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/425 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/425 variables, 31/41 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/425 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 3 (OVERLAPS) 1/426 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
SMT process timed out in 30263ms, After SMT, problems are : Problem set: 0 solved, 1030 unsolved
Search for dead transitions found 0 dead transitions in 30266ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31411 ms. Remains : 426/426 places, 1059/1059 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 15 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-29 18:31:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:31:06] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:31:06] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-05-29 18:31:06] [INFO ] [Nat]Absence check using 13 positive and 32 generalized place invariants in 10 ms returned sat
[2025-05-29 18:31:06] [INFO ] After 297ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 18:31:06] [INFO ] After 342ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 18:31:06] [INFO ] After 438ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 524 ms.
RANDOM walk for 40000 steps (739 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (176 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 425135 steps, run timeout after 3001 ms. (steps per millisecond=141 ) properties seen :0 out of 1
Probabilistic random walk after 425135 steps, saw 299723 distinct states, run finished after 3003 ms. (steps per millisecond=141 ) properties seen :0
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:31:09] [INFO ] Computed 45 invariants in 12 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/18 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 1 unsolved in 324 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/18 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 478 constraints, problems are : Problem set: 0 solved, 1 unsolved in 578 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 928ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 62 ms.
Support contains 1 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 432 transition count 1063
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 430 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 4 place count 430 transition count 1062
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 6 place count 429 transition count 1062
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 2 with 6 rules applied. Total rules applied 12 place count 426 transition count 1059
Applied a total of 12 rules in 30 ms. Remains 426 /432 variables (removed 6) and now considering 1059/1065 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 426/432 places, 1059/1065 transitions.
RANDOM walk for 40000 steps (736 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (172 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 424936 steps, run timeout after 3001 ms. (steps per millisecond=141 ) properties seen :0 out of 1
Probabilistic random walk after 424936 steps, saw 299574 distinct states, run finished after 3003 ms. (steps per millisecond=141 ) properties seen :0
// Phase 1: matrix 1059 rows 426 cols
[2025-05-29 18:31:13] [INFO ] Computed 45 invariants in 15 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/103 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/105 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/239 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/246 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/259 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/259 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/292 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/292 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 99/391 variables, 13/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/391 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/413 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/413 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/426 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/426 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1059/1485 variables, 426/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1485 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1485 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1485/1485 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 481 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 426/426 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/103 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/105 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/239 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/246 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/259 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/259 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/292 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/292 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 99/391 variables, 13/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/391 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/413 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/413 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/426 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/426 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1059/1485 variables, 426/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1485 variables, 1/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1485 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1485 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1485/1485 variables, and 472 constraints, problems are : Problem set: 0 solved, 1 unsolved in 575 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 426/426 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1080ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 59 ms.
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 14 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 426/426 places, 1059/1059 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 15 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
[2025-05-29 18:31:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:31:15] [INFO ] Implicit Places using invariants in 272 ms returned [86]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 274 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 425/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 15 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 304 ms. Remains : 425/426 places, 1059/1059 transitions.
RANDOM walk for 40000 steps (730 resets) in 117 ms. (338 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (181 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 422909 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 1
Probabilistic random walk after 422909 steps, saw 298084 distinct states, run finished after 3001 ms. (steps per millisecond=140 ) properties seen :0
// Phase 1: matrix 1059 rows 425 cols
[2025-05-29 18:31:18] [INFO ] Computed 44 invariants in 7 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/102 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/104 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/238 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/242 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 91/333 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/333 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/350 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/401 variables, 7/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/401 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/423 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/425 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/425 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1059/1484 variables, 425/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1484 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1484 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1484/1484 variables, and 469 constraints, problems are : Problem set: 0 solved, 1 unsolved in 361 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/102 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/104 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/238 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/242 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 91/333 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/333 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/350 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/401 variables, 7/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/401 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/423 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/425 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:31:19] [INFO ] Deduced a trap composed of 13 places in 67 ms of which 6 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1059/1484 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1484 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1484 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1484 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1484/1484 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 667 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1041ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 64 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1059/1059 transitions.
Applied a total of 0 rules in 13 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 425/425 places, 1059/1059 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1059/1059 transitions.
Applied a total of 0 rules in 13 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
[2025-05-29 18:31:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:31:19] [INFO ] Implicit Places using invariants in 286 ms returned []
[2025-05-29 18:31:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:31:20] [INFO ] Implicit Places using invariants and state equation in 909 ms returned []
Implicit Place search using SMT with State Equation took 1197 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:31:20] [INFO ] Redundant transitions in 13 ms returned []
Running 1030 sub problems to find dead transitions.
[2025-05-29 18:31:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/424 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/424 variables, 32/40 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/424 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 3 (OVERLAPS) 1/425 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
SMT process timed out in 30268ms, After SMT, problems are : Problem set: 0 solved, 1030 unsolved
Search for dead transitions found 0 dead transitions in 30271ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31502 ms. Remains : 425/425 places, 1059/1059 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-29 18:31:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:31:51] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:31:51] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-05-29 18:31:51] [INFO ] [Nat]Absence check using 11 positive and 33 generalized place invariants in 12 ms returned sat
[2025-05-29 18:31:51] [INFO ] After 301ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 18:31:51] [INFO ] After 353ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 18:31:51] [INFO ] After 465ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 549 ms.
RANDOM walk for 40000 steps (723 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (176 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 408511 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 408511 steps, saw 287829 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:31:54] [INFO ] Computed 45 invariants in 12 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/18 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 1 unsolved in 396 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/18 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 478 constraints, problems are : Problem set: 0 solved, 1 unsolved in 504 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 930ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 55 ms.
Support contains 1 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 432 transition count 1063
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 430 transition count 1062
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 429 transition count 1062
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 3 with 6 rules applied. Total rules applied 12 place count 426 transition count 1059
Applied a total of 12 rules in 28 ms. Remains 426 /432 variables (removed 6) and now considering 1059/1065 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 426/432 places, 1059/1065 transitions.
RANDOM walk for 40000 steps (711 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (175 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 414564 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 414564 steps, saw 292187 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
// Phase 1: matrix 1059 rows 426 cols
[2025-05-29 18:31:58] [INFO ] Computed 45 invariants in 19 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/103 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/105 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/239 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/246 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/259 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/259 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/292 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/292 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 99/391 variables, 13/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/391 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/413 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/413 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/426 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/426 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1059/1485 variables, 426/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1485 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1485 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1485/1485 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 480 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 426/426 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/103 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/105 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/239 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/239 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/246 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/259 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/259 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/292 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/292 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 99/391 variables, 13/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/391 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/413 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/413 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 13/426 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/426 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1059/1485 variables, 426/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1485 variables, 1/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1485 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1485 variables, 0/472 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1485/1485 variables, and 472 constraints, problems are : Problem set: 0 solved, 1 unsolved in 541 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 426/426 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1046ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 65 ms.
Support contains 1 out of 426 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 15 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 426/426 places, 1059/1059 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 426/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 14 ms. Remains 426 /426 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
[2025-05-29 18:31:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:32:00] [INFO ] Implicit Places using invariants in 292 ms returned [86]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 293 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 425/426 places, 1059/1059 transitions.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 321 ms. Remains : 425/426 places, 1059/1059 transitions.
RANDOM walk for 40000 steps (727 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (178 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 410618 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 410618 steps, saw 289316 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
// Phase 1: matrix 1059 rows 425 cols
[2025-05-29 18:32:03] [INFO ] Computed 44 invariants in 15 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/102 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/104 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/238 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/242 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 91/333 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/333 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/350 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/401 variables, 7/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/401 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/423 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/425 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/425 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1059/1484 variables, 425/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1484 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1484 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1484/1484 variables, and 469 constraints, problems are : Problem set: 0 solved, 1 unsolved in 367 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/102 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/104 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/238 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/242 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 91/333 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/333 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/350 variables, 3/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/401 variables, 7/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/401 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/423 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/425 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:32:03] [INFO ] Deduced a trap composed of 13 places in 67 ms of which 6 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 1059/1484 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1484 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1484 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1484 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1484/1484 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 708 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1105ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 69 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1059/1059 transitions.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 425/425 places, 1059/1059 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1059/1059 transitions.
Applied a total of 0 rules in 15 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
[2025-05-29 18:32:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:32:04] [INFO ] Implicit Places using invariants in 296 ms returned []
[2025-05-29 18:32:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:32:05] [INFO ] Implicit Places using invariants and state equation in 932 ms returned []
Implicit Place search using SMT with State Equation took 1238 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:32:05] [INFO ] Redundant transitions in 9 ms returned []
Running 1030 sub problems to find dead transitions.
[2025-05-29 18:32:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/424 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/424 variables, 32/40 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/424 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
At refinement iteration 3 (OVERLAPS) 1/425 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1030 unsolved
SMT process timed out in 30258ms, After SMT, problems are : Problem set: 0 solved, 1030 unsolved
Search for dead transitions found 0 dead transitions in 30260ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31528 ms. Remains : 425/425 places, 1059/1059 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1059/1059 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-29 18:32:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:32:36] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:32:36] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-05-29 18:32:36] [INFO ] [Nat]Absence check using 11 positive and 33 generalized place invariants in 11 ms returned sat
[2025-05-29 18:32:36] [INFO ] After 385ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 18:32:36] [INFO ] After 435ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 18:32:36] [INFO ] After 545ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 625 ms.
RANDOM walk for 40000 steps (748 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (173 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 414267 steps, run timeout after 3001 ms. (steps per millisecond=138 ) properties seen :0 out of 1
Probabilistic random walk after 414267 steps, saw 291972 distinct states, run finished after 3001 ms. (steps per millisecond=138 ) properties seen :0
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:32:39] [INFO ] Computed 45 invariants in 16 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/18 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 1 unsolved in 364 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 12/13 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/18 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 478 constraints, problems are : Problem set: 0 solved, 1 unsolved in 583 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 968ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 61 ms.
Support contains 1 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 432 transition count 1063
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 430 transition count 1062
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 429 transition count 1062
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 3 with 6 rules applied. Total rules applied 12 place count 426 transition count 1059
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 13 place count 426 transition count 1058
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 14 place count 425 transition count 1058
Applied a total of 14 rules in 43 ms. Remains 425 /432 variables (removed 7) and now considering 1058/1065 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 425/432 places, 1058/1065 transitions.
RANDOM walk for 40000 steps (741 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (175 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 419132 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 1
Probabilistic random walk after 419132 steps, saw 295430 distinct states, run finished after 3001 ms. (steps per millisecond=139 ) properties seen :0
// Phase 1: matrix 1058 rows 425 cols
[2025-05-29 18:32:43] [INFO ] Computed 45 invariants in 15 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/102 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/104 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/238 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/242 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 91/333 variables, 8/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/333 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/350 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/401 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/423 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1058/1483 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1483 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1483 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1483/1483 variables, and 470 constraints, problems are : Problem set: 0 solved, 1 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/102 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/104 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/238 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/242 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/242 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 91/333 variables, 8/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/333 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/350 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/350 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 51/401 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/423 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/423 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1058/1483 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1483 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1483 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1483 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1483/1483 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 658 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1015ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 69 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 18 ms. Remains 425 /425 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 425/425 places, 1058/1058 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
[2025-05-29 18:32:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:32:45] [INFO ] Implicit Places using invariants in 272 ms returned [86]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 274 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 424/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 302 ms. Remains : 424/425 places, 1058/1058 transitions.
RANDOM walk for 40000 steps (759 resets) in 139 ms. (285 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (183 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 425857 steps, run timeout after 3001 ms. (steps per millisecond=141 ) properties seen :0 out of 1
Probabilistic random walk after 425857 steps, saw 300215 distinct states, run finished after 3001 ms. (steps per millisecond=141 ) properties seen :0
// Phase 1: matrix 1058 rows 424 cols
[2025-05-29 18:32:48] [INFO ] Computed 44 invariants in 14 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/101 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/103 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/237 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/241 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 100/341 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 34/375 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/375 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 41/416 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/416 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 8/424 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/424 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1058/1482 variables, 424/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1482 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1482 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1482/1482 variables, and 468 constraints, problems are : Problem set: 0 solved, 1 unsolved in 311 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 34/34 constraints, State Equation: 424/424 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 95/101 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/103 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 134/237 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/241 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 100/341 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/341 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 34/375 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:32:48] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/375 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/375 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 41/416 variables, 8/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/416 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 8/424 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/424 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1058/1482 variables, 424/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1482 variables, 1/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1482 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1482 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1482/1482 variables, and 470 constraints, problems are : Problem set: 0 solved, 1 unsolved in 698 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 34/34 constraints, State Equation: 424/424 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1031ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 62 ms.
Support contains 1 out of 424 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 424/424 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 424/424 places, 1058/1058 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 424/424 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
[2025-05-29 18:32:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:32:49] [INFO ] Implicit Places using invariants in 282 ms returned []
[2025-05-29 18:32:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:32:50] [INFO ] Implicit Places using invariants and state equation in 873 ms returned []
Implicit Place search using SMT with State Equation took 1157 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:32:50] [INFO ] Redundant transitions in 11 ms returned []
Running 1029 sub problems to find dead transitions.
[2025-05-29 18:32:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 31/38 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 1/424 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
SMT process timed out in 30286ms, After SMT, problems are : Problem set: 0 solved, 1029 unsolved
Search for dead transitions found 0 dead transitions in 30288ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31475 ms. Remains : 424/424 places, 1058/1058 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 14 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-29 18:33:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:33:20] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:33:21] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-05-29 18:33:21] [INFO ] [Nat]Absence check using 10 positive and 34 generalized place invariants in 19 ms returned sat
[2025-05-29 18:33:21] [INFO ] After 288ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 18:33:21] [INFO ] After 338ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 18:33:21] [INFO ] After 453ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 546 ms.
RANDOM walk for 40000 steps (739 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (170 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 423809 steps, run timeout after 3001 ms. (steps per millisecond=141 ) properties seen :0 out of 1
Probabilistic random walk after 423809 steps, saw 298746 distinct states, run finished after 3001 ms. (steps per millisecond=141 ) properties seen :0
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:33:24] [INFO ] Computed 45 invariants in 14 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 11/18 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 1 unsolved in 337 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 11/18 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1497 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 478 constraints, problems are : Problem set: 0 solved, 1 unsolved in 627 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 987ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 77 ms.
Support contains 1 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 432 transition count 1062
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 6 place count 429 transition count 1062
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 2 with 6 rules applied. Total rules applied 12 place count 426 transition count 1059
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 13 place count 426 transition count 1058
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 14 place count 425 transition count 1058
Applied a total of 14 rules in 41 ms. Remains 425 /432 variables (removed 7) and now considering 1058/1065 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 425/432 places, 1058/1065 transitions.
RANDOM walk for 40000 steps (740 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (180 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 421722 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 1
Probabilistic random walk after 421722 steps, saw 297239 distinct states, run finished after 3001 ms. (steps per millisecond=140 ) properties seen :0
// Phase 1: matrix 1058 rows 425 cols
[2025-05-29 18:33:28] [INFO ] Computed 45 invariants in 13 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 150/155 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 20/175 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 158/333 variables, 16/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/333 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/350 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 51/401 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/423 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1058/1483 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1483 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1483 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1483/1483 variables, and 470 constraints, problems are : Problem set: 0 solved, 1 unsolved in 346 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 150/155 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 20/175 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 158/333 variables, 16/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/333 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/350 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 51/401 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/423 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1058/1483 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1483 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1483 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1483 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1483/1483 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 622 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 986ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 51 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 425/425 places, 1058/1058 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
[2025-05-29 18:33:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:33:30] [INFO ] Implicit Places using invariants in 298 ms returned [86]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 300 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 424/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 328 ms. Remains : 424/425 places, 1058/1058 transitions.
RANDOM walk for 40000 steps (728 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (181 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 420671 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 1
Probabilistic random walk after 420671 steps, saw 296526 distinct states, run finished after 3001 ms. (steps per millisecond=140 ) properties seen :0
// Phase 1: matrix 1058 rows 424 cols
[2025-05-29 18:33:33] [INFO ] Computed 44 invariants in 15 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 150/155 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/174 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 167/341 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 34/375 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 41/416 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/416 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 8/424 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/424 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1058/1482 variables, 424/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1482 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1482 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1482/1482 variables, and 468 constraints, problems are : Problem set: 0 solved, 1 unsolved in 404 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 34/34 constraints, State Equation: 424/424 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 150/155 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 19/174 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 167/341 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 34/375 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 41/416 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/416 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 8/424 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/424 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1058/1482 variables, 424/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1482 variables, 1/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1482 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1482 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1482/1482 variables, and 469 constraints, problems are : Problem set: 0 solved, 1 unsolved in 555 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 34/34 constraints, State Equation: 424/424 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 983ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 133 ms.
Support contains 1 out of 424 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 424/424 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 424/424 places, 1058/1058 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 424/424 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
[2025-05-29 18:33:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:33:34] [INFO ] Implicit Places using invariants in 287 ms returned []
[2025-05-29 18:33:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:33:35] [INFO ] Implicit Places using invariants and state equation in 936 ms returned []
Implicit Place search using SMT with State Equation took 1225 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:33:35] [INFO ] Redundant transitions in 11 ms returned []
Running 1029 sub problems to find dead transitions.
[2025-05-29 18:33:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 31/38 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 3 (OVERLAPS) 1/424 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
SMT process timed out in 30256ms, After SMT, problems are : Problem set: 0 solved, 1029 unsolved
Search for dead transitions found 0 dead transitions in 30258ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31513 ms. Remains : 424/424 places, 1058/1058 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 14 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-29 18:34:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:34:05] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:34:05] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-05-29 18:34:05] [INFO ] [Nat]Absence check using 10 positive and 34 generalized place invariants in 12 ms returned sat
[2025-05-29 18:34:06] [INFO ] After 298ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 18:34:06] [INFO ] After 347ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 18:34:06] [INFO ] After 455ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 541 ms.
RANDOM walk for 40000 steps (751 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (178 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 418101 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 1
Probabilistic random walk after 418101 steps, saw 294738 distinct states, run finished after 3001 ms. (steps per millisecond=139 ) properties seen :0
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:34:09] [INFO ] Computed 45 invariants in 15 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 1 unsolved in 364 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1497 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 478 constraints, problems are : Problem set: 0 solved, 1 unsolved in 570 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 955ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 50 ms.
Support contains 1 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 432 transition count 1063
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 430 transition count 1063
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 12 place count 426 transition count 1059
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 13 place count 426 transition count 1058
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 14 place count 425 transition count 1058
Applied a total of 14 rules in 41 ms. Remains 425 /432 variables (removed 7) and now considering 1058/1065 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 425/432 places, 1058/1065 transitions.
RANDOM walk for 40000 steps (737 resets) in 116 ms. (341 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (178 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 423013 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 1
Probabilistic random walk after 423013 steps, saw 298144 distinct states, run finished after 3001 ms. (steps per millisecond=140 ) properties seen :0
// Phase 1: matrix 1058 rows 425 cols
[2025-05-29 18:34:13] [INFO ] Computed 45 invariants in 11 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/160 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/175 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 158/333 variables, 16/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/333 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/350 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 51/401 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/423 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1058/1483 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1483 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1483 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1483/1483 variables, and 470 constraints, problems are : Problem set: 0 solved, 1 unsolved in 385 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/160 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/175 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 158/333 variables, 16/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/333 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/350 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 51/401 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/423 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1058/1483 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1483 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1483 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1483 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1483/1483 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 552 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 965ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 56 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 425 /425 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 425/425 places, 1058/1058 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 425 /425 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
[2025-05-29 18:34:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:34:14] [INFO ] Implicit Places using invariants in 295 ms returned [86]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 296 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 424/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 325 ms. Remains : 424/425 places, 1058/1058 transitions.
RANDOM walk for 40000 steps (749 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (182 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 421581 steps, run timeout after 3001 ms. (steps per millisecond=140 ) properties seen :0 out of 1
Probabilistic random walk after 421581 steps, saw 297143 distinct states, run finished after 3001 ms. (steps per millisecond=140 ) properties seen :0
// Phase 1: matrix 1058 rows 424 cols
[2025-05-29 18:34:17] [INFO ] Computed 44 invariants in 15 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/159 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/174 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 167/341 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 34/375 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 41/416 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/416 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 8/424 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/424 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1058/1482 variables, 424/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1482 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1482 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1482/1482 variables, and 468 constraints, problems are : Problem set: 0 solved, 1 unsolved in 378 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 34/34 constraints, State Equation: 424/424 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/159 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/174 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 167/341 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 34/375 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 41/416 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/416 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 8/424 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/424 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1058/1482 variables, 424/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1482 variables, 1/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1482 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1482 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1482/1482 variables, and 469 constraints, problems are : Problem set: 0 solved, 1 unsolved in 510 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 34/34 constraints, State Equation: 424/424 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 910ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 63 ms.
Support contains 1 out of 424 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 424/424 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 424/424 places, 1058/1058 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 424/424 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
[2025-05-29 18:34:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:34:19] [INFO ] Implicit Places using invariants in 291 ms returned []
[2025-05-29 18:34:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:34:20] [INFO ] Implicit Places using invariants and state equation in 949 ms returned []
Implicit Place search using SMT with State Equation took 1242 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:34:20] [INFO ] Redundant transitions in 13 ms returned []
Running 1029 sub problems to find dead transitions.
[2025-05-29 18:34:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 31/38 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 3 (OVERLAPS) 1/424 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
SMT process timed out in 30270ms, After SMT, problems are : Problem set: 0 solved, 1029 unsolved
Search for dead transitions found 0 dead transitions in 30271ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31546 ms. Remains : 424/424 places, 1058/1058 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 13 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-29 18:34:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:34:50] [INFO ] After 61ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:34:50] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-05-29 18:34:50] [INFO ] [Nat]Absence check using 10 positive and 34 generalized place invariants in 11 ms returned sat
[2025-05-29 18:34:50] [INFO ] After 398ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 18:34:51] [INFO ] After 444ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 18:34:51] [INFO ] After 549ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 633 ms.
RANDOM walk for 40000 steps (741 resets) in 162 ms. (245 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (168 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 418907 steps, run timeout after 3001 ms. (steps per millisecond=139 ) properties seen :0 out of 1
Probabilistic random walk after 418907 steps, saw 295275 distinct states, run finished after 3001 ms. (steps per millisecond=139 ) properties seen :0
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:34:54] [INFO ] Computed 45 invariants in 11 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/1497 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1497/1497 variables, and 477 constraints, problems are : Problem set: 0 solved, 1 unsolved in 494 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 17/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/167 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/182 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/182 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 3/185 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 13/198 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/198 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 33/231 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/231 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 168/399 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/399 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/421 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/421 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/432 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/432 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1065/1497 variables, 432/477 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1497 variables, 1/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1497 variables, 0/478 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1497/1497 variables, and 478 constraints, problems are : Problem set: 0 solved, 1 unsolved in 658 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 32/32 constraints, State Equation: 432/432 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1168ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 1 out of 432 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 432/432 places, 1065/1065 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 432 transition count 1063
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 430 transition count 1062
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 429 transition count 1062
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 14 place count 425 transition count 1058
Applied a total of 14 rules in 27 ms. Remains 425 /432 variables (removed 7) and now considering 1058/1065 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 425/432 places, 1058/1065 transitions.
RANDOM walk for 40000 steps (732 resets) in 123 ms. (322 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (180 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 426319 steps, run timeout after 3001 ms. (steps per millisecond=142 ) properties seen :0 out of 1
Probabilistic random walk after 426319 steps, saw 300548 distinct states, run finished after 3001 ms. (steps per millisecond=142 ) properties seen :0
// Phase 1: matrix 1058 rows 425 cols
[2025-05-29 18:34:58] [INFO ] Computed 45 invariants in 15 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/160 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/175 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 158/333 variables, 16/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/333 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/350 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 51/401 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/423 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1058/1483 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1483 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/1483 variables, 0/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1483/1483 variables, and 470 constraints, problems are : Problem set: 0 solved, 1 unsolved in 386 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/160 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/175 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/175 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 158/333 variables, 16/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/333 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/350 variables, 3/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/350 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 51/401 variables, 7/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/401 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 22/423 variables, 3/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/423 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/425 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/425 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1058/1483 variables, 425/470 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1483 variables, 1/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1483 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/1483 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1483/1483 variables, and 471 constraints, problems are : Problem set: 0 solved, 1 unsolved in 542 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, Generalized P Invariants (flows): 33/33 constraints, State Equation: 425/425 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 953ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 56 ms.
Support contains 1 out of 425 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 14 ms. Remains 425 /425 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 425/425 places, 1058/1058 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 425/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 425 /425 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
[2025-05-29 18:34:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:34:59] [INFO ] Implicit Places using invariants in 287 ms returned [86]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 288 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 424/425 places, 1058/1058 transitions.
Applied a total of 0 rules in 15 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 316 ms. Remains : 424/425 places, 1058/1058 transitions.
RANDOM walk for 40000 steps (755 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (186 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 423372 steps, run timeout after 3001 ms. (steps per millisecond=141 ) properties seen :0 out of 1
Probabilistic random walk after 423372 steps, saw 298422 distinct states, run finished after 3001 ms. (steps per millisecond=141 ) properties seen :0
// Phase 1: matrix 1058 rows 424 cols
[2025-05-29 18:35:02] [INFO ] Computed 44 invariants in 10 ms
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/159 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/174 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 167/341 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 34/375 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 41/416 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/416 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 8/424 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/424 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1058/1482 variables, 424/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1482 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/1482 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1482/1482 variables, and 468 constraints, problems are : Problem set: 0 solved, 1 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 34/34 constraints, State Equation: 424/424 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 149/159 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/159 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 15/174 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/174 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 167/341 variables, 16/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/341 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 34/375 variables, 5/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/375 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 41/416 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/416 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 8/424 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/424 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1058/1482 variables, 424/468 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1482 variables, 1/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1482 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1482 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1482/1482 variables, and 469 constraints, problems are : Problem set: 0 solved, 1 unsolved in 525 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 34/34 constraints, State Equation: 424/424 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 866ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 65 ms.
Support contains 1 out of 424 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 424/424 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 424/424 places, 1058/1058 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 424/424 places, 1058/1058 transitions.
Applied a total of 0 rules in 13 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
[2025-05-29 18:35:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:35:04] [INFO ] Implicit Places using invariants in 288 ms returned []
[2025-05-29 18:35:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:35:04] [INFO ] Implicit Places using invariants and state equation in 774 ms returned []
Implicit Place search using SMT with State Equation took 1066 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:35:04] [INFO ] Redundant transitions in 10 ms returned []
Running 1029 sub problems to find dead transitions.
[2025-05-29 18:35:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/423 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/423 variables, 31/38 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
(s4 0.0)
(s5 0.0)
(s6 0.0)
(s7 0.0)
(s8 0.0)
(s9 0.0)
(s10 0.0)
(s11 0.0)
(s12 0.0)
(s13 0.0)
(s14 0.0)
(s15 0.0)
(s16 0.0)
(s17 0.0)
(s18 0.0)
(s19 1.0)
(s20 0.0)
(s21 1.0)
(s22 0.0)
(s23 0.0)
timeout
(s24 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (OVERLAPS) 1/424 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 1029 unsolved
SMT process timed out in 30254ms, After SMT, problems are : Problem set: 0 solved, 1029 unsolved
Search for dead transitions found 0 dead transitions in 30255ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31353 ms. Remains : 424/424 places, 1058/1058 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 14 ms. Remains 424 /424 variables (removed 0) and now considering 1058/1058 (removed 0) transitions.
Running SMT prover for 1 properties.
[2025-05-29 18:35:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:35:35] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:35:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2025-05-29 18:35:35] [INFO ] [Nat]Absence check using 10 positive and 34 generalized place invariants in 11 ms returned sat
[2025-05-29 18:35:35] [INFO ] After 335ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-29 18:35:35] [INFO ] After 388ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-29 18:35:35] [INFO ] After 493ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 576 ms.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 14 ms. Remains 432 /432 variables (removed 0) and now considering 1065/1065 (removed 0) transitions.
Running SMT prover for 8 properties.
// Phase 1: matrix 1065 rows 432 cols
[2025-05-29 18:35:35] [INFO ] Computed 45 invariants in 11 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:35:35] [INFO ] After 103ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:35:35] [INFO ] [Nat]Absence check using 13 positive place invariants in 3 ms returned sat
[2025-05-29 18:35:35] [INFO ] [Nat]Absence check using 13 positive and 32 generalized place invariants in 12 ms returned sat
[2025-05-29 18:35:36] [INFO ] After 471ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
TRAPS : Iteration 0
[2025-05-29 18:35:36] [INFO ] After 860ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
[2025-05-29 18:35:37] [INFO ] After 1247ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
[2025-05-29 18:35:37] [INFO ] Flatten gal took : 34 ms
[2025-05-29 18:35:37] [INFO ] Flatten gal took : 33 ms
[2025-05-29 18:35:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14211996651232264574.gal : 6 ms
[2025-05-29 18:35:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5128184372867351862.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/ReachabilityCardinality14211996651232264574.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5128184372867351862.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5128184372867351862.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :6 after 44
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :44 after 328
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :328 after 2448
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :2448 after 97920
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :97920 after 149184
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :149184 after 153770
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :153770 after 154429
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :154429 after 3.14354e+06
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :3.14354e+06 after 2.38811e+07
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :2.38811e+07 after 2.36249e+08
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :2.36249e+08 after 4.86175e+09
SDD proceeding with computation,8 properties remain. new max is 32768
SDD size :4.86175e+09 after 4.64861e+10
Invariant property smplace_430 does not hold.
Invariant property smplace_429 does not hold.
Invariant property smplace_428 does not hold.
Invariant property smplace_424 does not hold.
Invariant property smplace_417 does not hold.
Invariant property smplace_416 does not hold.
Invariant property smplace_415 does not hold.
Invariant property smplace_61 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 32769 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2.04354e+11,8.46774,248804,2,71146,27,603997,6,0,2796,732444,0
Total reachable state count : 204353620381

Verifying 8 reachability properties.
Invariant property smplace_61 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_61,15,8.47579,248804,2,548,27,603997,7,0,2799,732444,0
Invariant property smplace_415 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_415,95,8.48201,248804,2,774,27,603997,8,0,2801,732444,0
Invariant property smplace_416 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_416,19,8.48424,248804,2,589,27,603997,9,0,2803,732444,0
Invariant property smplace_417 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_417,71,8.48607,248804,2,684,27,603997,10,0,2805,732444,0
Invariant property smplace_424 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_424,219,8.4879,248804,2,806,27,603997,11,0,2807,732444,0
Invariant property smplace_428 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_428,897,8.49,248804,2,1423,27,603997,12,0,2809,732444,0
Invariant property smplace_429 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_429,95,8.49193,248804,2,720,27,603997,13,0,2811,732444,0
Invariant property smplace_430 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_430,95,8.49388,248804,2,720,27,603997,14,0,2813,732444,0
Over-approximation ignoring read arcs solved 0 properties in 9984 ms.
[2025-05-29 18:35:45] [INFO ] Flatten gal took : 32 ms
[2025-05-29 18:35:45] [INFO ] Flatten gal took : 32 ms
[2025-05-29 18:35:45] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability10925489583797642033.gal : 5 ms
[2025-05-29 18:35:45] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability15513044399059376923.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability10925489583797642033.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability15513044399059376923.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityFireability15513044399059376923.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :6 after 44
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :44 after 328
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :328 after 2448
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :2448 after 97920
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :97920 after 149184
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :149184 after 153770
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :153770 after 154429
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :154429 after 3.12885e+06
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :3.12885e+06 after 2.38132e+07
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :2.38132e+07 after 2.38891e+08
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :2.38891e+08 after 4.85455e+09
Detected timeout of ITS tools.
[2025-05-29 18:35:48] [INFO ] Flatten gal took : 30 ms
[2025-05-29 18:35:48] [INFO ] Applying decomposition
[2025-05-29 18:35:48] [INFO ] Flatten gal took : 28 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/graph5249373783391857677.txt' '-o' '/tmp/graph5249373783391857677.bin' '-w' '/tmp/graph5249373783391857677.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5249373783391857677.bin' '-l' '-1' '-v' '-w' '/tmp/graph5249373783391857677.weights' '-q' '0' '-e' '0.001'
[2025-05-29 18:35:48] [INFO ] Decomposing Gal with order
[2025-05-29 18:35:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-29 18:35:49] [INFO ] Removed a total of 2095 redundant transitions.
[2025-05-29 18:35:49] [INFO ] Flatten gal took : 49 ms
[2025-05-29 18:35:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 128 labels/synchronizations in 15 ms.
[2025-05-29 18:35:49] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability5609680211108458795.gal : 5 ms
[2025-05-29 18:35:49] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability918301684458180817.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability5609680211108458795.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability918301684458180817.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityFireability918301684458180817.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :6 after 36
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :36 after 1968
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :227136 after 1.52576e+06
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :1.52576e+06 after 2.4299e+06
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :2.4299e+06 after 2.93664e+06
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :2.93664e+06 after 3.61963e+06
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :3.61963e+06 after 4.74326e+06
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :4.74326e+06 after 6.86443e+06
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :6.86443e+06 after 3.0997e+07
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :8.5484e+08 after 1.06939e+09
Detected timeout of ITS tools.
[2025-05-29 18:35:52] [INFO ] Flatten gal took : 26 ms
[2025-05-29 18:35:52] [INFO ] Flatten gal took : 26 ms
[2025-05-29 18:35:52] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability2833522205476900112.gal : 5 ms
[2025-05-29 18:35:52] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability13487885927932612573.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability2833522205476900112.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability13487885927932612573.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityFireability13487885927932612573.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :6 after 44
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :44 after 328
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :328 after 2448
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :2448 after 97920
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :97920 after 149184
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :149184 after 153770
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :153770 after 154429
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :154429 after 3.12885e+06
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :3.12885e+06 after 2.38132e+07
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :2.38132e+07 after 2.38891e+08
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :2.38891e+08 after 4.85455e+09
SDD proceeding with computation,8 properties remain. new max is 32768
SDD size :4.85455e+09 after 4.68992e+10
Invariant property smplace_430 does not hold.
Invariant property smplace_429 does not hold.
Invariant property smplace_428 does not hold.
Invariant property smplace_424 does not hold.
Invariant property smplace_417 does not hold.
Invariant property smplace_416 does not hold.
Invariant property smplace_415 does not hold.
Invariant property smplace_61 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 32769 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,2.0455e+11,8.67305,254456,2,73692,27,617275,6,0,2796,747021,0
Total reachable state count : 204549723534

Verifying 8 reachability properties.
Invariant property smplace_61 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_61,15,8.68026,254456,2,548,27,617275,7,0,2799,747021,0
Invariant property smplace_415 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_415,95,8.68578,254456,2,774,27,617275,8,0,2801,747021,0
Invariant property smplace_416 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_416,19,8.68807,254456,2,589,27,617275,9,0,2803,747021,0
Invariant property smplace_417 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_417,71,8.69001,254456,2,684,27,617275,10,0,2805,747021,0
Invariant property smplace_424 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_424,219,8.69199,254456,2,806,27,617275,11,0,2807,747021,0
Invariant property smplace_428 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_428,897,8.69422,254456,2,1423,27,617275,12,0,2809,747021,0
Invariant property smplace_429 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_429,95,8.69623,254456,2,720,27,617275,13,0,2811,747021,0
Invariant property smplace_430 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_430,95,8.69832,254456,2,720,27,617275,14,0,2813,747021,0
Able to resolve query StableMarking after proving 2135 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL USE_NUPN
Total runtime 1649765 ms.

BK_STOP 1748543760924

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ASLink-PT-05b"
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-05b, 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-174853737200223"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-05b.tgz
mv ASLink-PT-05b 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 ;