MCC'2026- Execution of r016-oct2-177944372800248

About the Execution of 2025-gold for ASLink-PT-08a

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
5313.640	1800000.00	4159286.00	329.20	[undef]	Time out reached

Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r016-oct2-177944372800248.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is ASLink-PT-08a, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372800248
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.2K Mar 5 14:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 5 14:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 14:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 5 14:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 14:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 5 14:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 14:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Mar 5 14:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 757K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779688191999

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ASLink-PT-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 05:49:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 05:49:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:49:53] [INFO ] Load time of PNML (sax parser for PT used): 173 ms
[2026-05-25 05:49:53] [INFO ] Transformed 1796 places.
[2026-05-25 05:49:53] [INFO ] Transformed 2646 transitions.
[2026-05-25 05:49:53] [INFO ] Found NUPN structural information;
[2026-05-25 05:49:53] [INFO ] Parsed PT model containing 1796 places and 2646 transitions and 9934 arcs in 311 ms.
Structural test allowed to assert that 206 places are NOT stable. Took 16 ms.
Ensure Unique test removed 28 transitions
Reduce redundant transitions removed 28 transitions.
[2026-05-25 05:49:55] [INFO ] Flatten gal took : 411 ms
[2026-05-25 05:49:55] [INFO ] Flatten gal took : 176 ms
[2026-05-25 05:49:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2687477923746898627.gal : 106 ms
[2026-05-25 05:49:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6837813229542579120.prop : 11 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/ReachabilityCardinality2687477923746898627.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6837813229542579120.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
RANDOM walk for 40000 steps (185 resets) in 5813 ms. (6 steps per ms) remains 665/1590 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 4 ms. (24 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 18 ms. (6 steps per ms) remains 665/665 properties
Loading property file /tmp/ReachabilityCardinality6837813229542579120.prop.
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 665/665 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 665/665 properties
// Phase 1: matrix 2618 rows 1796 cols
[2026-05-25 05:49:56] [INFO ] Computed 346 invariants in 103 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1590 properties remain. new max is 4
SDD size :1 after 8
Error getting values : (error "ParserException while parsing response: ((s1 (/ 1.0 2.0))
(s2 (/ 1.0 2.0))
(s3 (/ 1.0 2.0))
(s4 (/ 1.0 2.0))
(s5 (/ 1.0 2.0))
(s6 (/ 1.0 2.0))
(s7 (/ 1.0 2.0))
(s8 (/ 1.0 2.0))
(s9 (/ 1.0 2.0))
(s10 (/ 1.0 2.0))
(s11 (/ 1.0 2.0))
(s12 (/ 1.0 2.0))
(s13 (/ 1.0 2.0))
(s14 (/ 1.0 2.0))
(s15 (/ 1.0 2.0))
(s16 (/ 1.0 2.0))
(s17 (/ 1.0 2.0))
(s19 (/ 1.0 2.0))
(s20 (/ 1.0 2.0))
(s23 (/ 1.0 2.0))
(s24 (/ 1.0 2.0))
(s25 (/ 1.0 2.0))
(s26 (/ 1.0 2.0))
(s27 (/ 1.0 2.0))
(s28 (/ 1.0 2.0))
(s29 (/ 1.0 2.0))
(s30 (/ 1.0 2.0))
(s31 (/ 1.0 2.0))
(s32 (/ 1.0 2.0))
(s33 (/ 1.0 2.0))
(s34 (/ 1.0 2.0))
(s35 (/ 1.0 2.0))
(s36 (/ 1.0 2.0))
(s37 (/ 1.0 2.0))
(s38 (/ 1.0 2.0))
(s39 (/ 1.0 2.0))
(s40 (/ 1.0 2.0))
(s41 (/ 1.0 2.0))
(s42 (/ 1.0 2.0))
(s43 (/ 1.0 2.0))
(s44 (/ 1.0 2.0))
(s45 (/ 1.0 2.0))
(s46 (/ 1.0 2.0))
(s47 (/ 1.0 2.0))
(s48 (/ 1.0 2.0))
(s49 (/ 1.0 2.0))
(s50 (/ 1.0 2.0))
(s51 (/ 1.0 2.0))
(s52 (/ 1.0 2.0))
(s55 (/ 1.0 2.0))
(s56 (/ 1.0 2.0))
(s57 (/ 1.0 2.0))
(s58 (/ 1.0 2.0))
(s59 (/ 1.0 2.0))
(s60 (/ 1.0 2.0))
(s61 (/ 1.0 2.0))
(s62 (/ 1.0 2.0))
(s63 (/ 1.0 2.0))
(s64 (/ 1.0 2.0))
(s65 (/ 1.0 2.0))
(s66 (/ 1.0 2.0))
(s67 (/ 1.0 2.0))
(s73 (/ 1.0 2.0))
(s74 (/ 1.0 2.0))
(s75 (/ 1.0 2.0))
(s76 (/ 1.0 2.0))
(s77 (/ 1.0 2.0))
(s78 (/ 1.0 2.0))
(s79 (/ 1.0 2.0))
(s80 (/ 1.0 2.0))
(s81 (/ 1.0 2.0))
(s82 (/ 1.0 2.0))
(s83 (/ 1.0 2.0))
(s84 (/ 1.0 2.0))
(s85 (/ 1.0 2.0))
(s86 (/ 1.0 2.0))
(s87 (/ 1.0 2.0))
(s88 (/ 1.0 2.0))
(s89 (/ 1.0 2.0))
(s90 (/ 1.0 2.0))
(s91 (/ 1.0 2.0))
(s92 (/ 1.0 2.0))
(s93 (/ 1.0 2.0))
(s94 (/ 1.0 2.0))
(s95 (/ 1.0 2.0))
(s103 (/ 1.0 2.0))
(s104 (/ 1.0 2.0))
(s105 (/ 1.0 2.0))
(s106 (/ 1.0 2.0))
(s107 (/ 1.0 2.0))
(s108 (/ 1.0 2.0))
(s109 (/ 1.0 2.0))
(s110 (/ 1.0 2.0))
(s111 (/ 1.0 2.0))
(s112 (/ 1.0 2.0))
(s113 (/ 1.0 2.0))
(s114 (/ 1.0 2.0))
(s115 (/ 1.0 2.0))
(s116 (/ 1.0 2.0))
(s117 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
SDD proceeding with computation,1590 properties remain. new max is 8
SDD size :8 after 9
At refinement iteration 0 (INCLUDED_ONLY) 0/665 variables, 665/665 constraints. Problems are: Problem set: 0 solved, 665 unsolved
SMT process timed out in 5625ms, After SMT, problems are : Problem set: 0 solved, 665 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 665 out of 1796 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1796/1796 places, 2618/2618 transitions.
Ensure Unique test removed 9 places
Discarding 15 places :
Implicit places reduction removed 15 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 112 transitions
Trivial Post-agglo rules discarded 112 transitions
Performed 112 trivial Post agglomeration. Transition count delta: 112
Iterating post reduction 0 with 136 rules applied. Total rules applied 136 place count 1772 transition count 2506
Reduce places removed 112 places and 0 transitions.
Iterating post reduction 1 with 112 rules applied. Total rules applied 248 place count 1660 transition count 2506
Performed 146 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 146 Pre rules applied. Total rules applied 248 place count 1660 transition count 2360
Deduced a syphon composed of 146 places in 8 ms
Ensure Unique test removed 53 places
Reduce places removed 199 places and 0 transitions.
Iterating global reduction 2 with 345 rules applied. Total rules applied 593 place count 1461 transition count 2360
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 594 place count 1461 transition count 2359
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 595 place count 1460 transition count 2359
Discarding 3 places :
Symmetric choice reduction at 4 with 3 rule applications. Total rules 598 place count 1457 transition count 2343
Iterating global reduction 4 with 3 rules applied. Total rules applied 601 place count 1457 transition count 2343
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
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 4 rules applied. Total rules applied 605 place count 1456 transition count 2340
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 607 place count 1454 transition count 2340
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 608 place count 1453 transition count 2332
Iterating global reduction 6 with 1 rules applied. Total rules applied 609 place count 1453 transition count 2332
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 610 place count 1452 transition count 2324
Iterating global reduction 6 with 1 rules applied. Total rules applied 611 place count 1452 transition count 2324
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 612 place count 1451 transition count 2316
Iterating global reduction 6 with 1 rules applied. Total rules applied 613 place count 1451 transition count 2316
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 614 place count 1450 transition count 2308
Iterating global reduction 6 with 1 rules applied. Total rules applied 615 place count 1450 transition count 2308
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 616 place count 1449 transition count 2300
Iterating global reduction 6 with 1 rules applied. Total rules applied 617 place count 1449 transition count 2300
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 618 place count 1448 transition count 2292
Iterating global reduction 6 with 1 rules applied. Total rules applied 619 place count 1448 transition count 2292
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 620 place count 1447 transition count 2284
Iterating global reduction 6 with 1 rules applied. Total rules applied 621 place count 1447 transition count 2284
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 622 place count 1446 transition count 2276
Iterating global reduction 6 with 1 rules applied. Total rules applied 623 place count 1446 transition count 2276
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 624 place count 1445 transition count 2268
Iterating global reduction 6 with 1 rules applied. Total rules applied 625 place count 1445 transition count 2268
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 626 place count 1444 transition count 2260
Iterating global reduction 6 with 1 rules applied. Total rules applied 627 place count 1444 transition count 2260
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 628 place count 1443 transition count 2252
Iterating global reduction 6 with 1 rules applied. Total rules applied 629 place count 1443 transition count 2252
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 630 place count 1442 transition count 2244
Iterating global reduction 6 with 1 rules applied. Total rules applied 631 place count 1442 transition count 2244
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 632 place count 1441 transition count 2236
Iterating global reduction 6 with 1 rules applied. Total rules applied 633 place count 1441 transition count 2236
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 634 place count 1440 transition count 2228
Iterating global reduction 6 with 1 rules applied. Total rules applied 635 place count 1440 transition count 2228
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 636 place count 1439 transition count 2220
Iterating global reduction 6 with 1 rules applied. Total rules applied 637 place count 1439 transition count 2220
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 638 place count 1438 transition count 2212
Iterating global reduction 6 with 1 rules applied. Total rules applied 639 place count 1438 transition count 2212
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
Deduced a syphon composed of 32 places in 3 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 6 with 64 rules applied. Total rules applied 703 place count 1406 transition count 2180
Invariant property smplace_227 does not hold.
Free-agglomeration rule applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 704 place count 1406 transition count 2179
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 705 place count 1405 transition count 2179
Invariant property smplace_186 does not hold.
Invariant property smplace_183 does not hold.
Invariant property smplace_180 does not hold.
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 7 with 6 rules applied. Total rules applied 711 place count 1405 transition count 2173
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 7 with 6 rules applied. Total rules applied 717 place count 1399 transition count 2173
Invariant property smplace_166 does not hold.
Invariant property smplace_163 does not hold.
Invariant property smplace_160 does not hold.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 718 place count 1398 transition count 2172
Invariant property smplace_144 does not hold.
Invariant property smplace_143 does not hold.
Invariant property smplace_142 does not hold.
Invariant property smplace_141 does not hold.
Invariant property smplace_140 does not hold.
Invariant property smplace_139 does not hold.
Invariant property smplace_138 does not hold.
Applied a total of 718 rules in 1112 ms. Remains 1398 /1796 variables (removed 398) and now considering 2172/2618 (removed 446) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1119 ms. Remains : 1398/1796 places, 2172/2618 transitions.
SDD proceeding with computation,1576 properties remain. new max is 8
SDD size :9 after 25
Invariant property smplace_146 does not hold.
Invariant property smplace_145 does not hold.
SDD proceeding with computation,1574 properties remain. new max is 8
SDD size :25 after 43
SDD proceeding with computation,1574 properties remain. new max is 16
SDD size :43 after 44
SDD proceeding with computation,1574 properties remain. new max is 32
SDD size :44 after 68
Invariant property smplace_168 does not hold.
Invariant property smplace_167 does not hold.
Invariant property smplace_165 does not hold.
Invariant property smplace_164 does not hold.
Invariant property smplace_162 does not hold.
Invariant property smplace_161 does not hold.
SDD proceeding with computation,1568 properties remain. new max is 32
SDD size :68 after 120
Invariant property smplace_219 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_182 does not hold.
Invariant property smplace_181 does not hold.
Invariant property smplace_179 does not hold.
Invariant property smplace_176 does not hold.
Invariant property smplace_159 does not hold.
Invariant property smplace_156 does not hold.
Invariant property smplace_137 does not hold.
Invariant property smplace_134 does not hold.
Invariant property smplace_100 does not hold.
SDD proceeding with computation,1554 properties remain. new max is 32
SDD size :120 after 267
Invariant property smplace_402 does not hold.
Invariant property smplace_399 does not hold.
Invariant property smplace_221 does not hold.
Invariant property smplace_218 does not hold.
Invariant property smplace_192 does not hold.
Invariant property smplace_191 does not hold.
SDD proceeding with computation,1548 properties remain. new max is 32
SDD size :267 after 357
Invariant property smplace_422 does not hold.
Invariant property smplace_414 does not hold.
Invariant property smplace_370 does not hold.
Invariant property smplace_350 does not hold.
Invariant property smplace_338 does not hold.
Invariant property smplace_335 does not hold.
Invariant property smplace_334 does not hold.
Invariant property smplace_333 does not hold.
Invariant property smplace_332 does not hold.
Invariant property smplace_328 does not hold.
Invariant property smplace_294 does not hold.
Invariant property smplace_190 does not hold.
SDD proceeding with computation,1536 properties remain. new max is 32
SDD size :357 after 5717
Invariant property smplace_340 does not hold.
Invariant property smplace_339 does not hold.
Invariant property smplace_337 does not hold.
Invariant property smplace_336 does not hold.
SDD proceeding with computation,1532 properties remain. new max is 32
SDD size :5717 after 5765
SDD proceeding with computation,1532 properties remain. new max is 64
SDD size :5765 after 5869
SDD proceeding with computation,1532 properties remain. new max is 128
SDD size :5869 after 12733
Invariant property smplace_408 does not hold.
Invariant property smplace_404 does not hold.
Invariant property smplace_380 does not hold.
Invariant property smplace_379 does not hold.
Invariant property smplace_378 does not hold.
Invariant property smplace_377 does not hold.
Invariant property smplace_376 does not hold.
Invariant property smplace_375 does not hold.
Invariant property smplace_374 does not hold.
Invariant property smplace_362 does not hold.
Invariant property smplace_361 does not hold.
Invariant property smplace_360 does not hold.
Invariant property smplace_359 does not hold.
Invariant property smplace_358 does not hold.
Invariant property smplace_357 does not hold.
Invariant property smplace_356 does not hold.
Invariant property smplace_355 does not hold.
Invariant property smplace_354 does not hold.
Invariant property smplace_353 does not hold.
Invariant property smplace_331 does not hold.
SDD proceeding with computation,1512 properties remain. new max is 128
SDD size :12733 after 86489
Invariant property smplace_597 does not hold.
Invariant property smplace_594 does not hold.
Invariant property smplace_419 does not hold.
Invariant property smplace_416 does not hold.
Invariant property smplace_413 does not hold.
Invariant property smplace_407 does not hold.
Invariant property smplace_401 does not hold.
Invariant property smplace_400 does not hold.
Invariant property smplace_386 does not hold.
Invariant property smplace_385 does not hold.
Invariant property smplace_384 does not hold.
Invariant property smplace_382 does not hold.
Invariant property smplace_381 does not hold.
Invariant property smplace_373 does not hold.
SDD proceeding with computation,1498 properties remain. new max is 128
SDD size :86489 after 1.42925e+06
Invariant property smplace_617 does not hold.
Invariant property smplace_609 does not hold.
Invariant property smplace_535 does not hold.
Invariant property smplace_534 does not hold.
Invariant property smplace_533 does not hold.
Invariant property smplace_532 does not hold.
Invariant property smplace_531 does not hold.
Invariant property smplace_530 does not hold.
Invariant property smplace_529 does not hold.
Invariant property smplace_528 does not hold.
Invariant property smplace_527 does not hold.
Invariant property smplace_523 does not hold.
Invariant property smplace_489 does not hold.
SDD proceeding with computation,1485 properties remain. new max is 128
SDD size :1.42925e+06 after 2.51547e+07
Invariant property smplace_812 does not hold.
Invariant property smplace_809 does not hold.
Invariant property smplace_792 does not hold.
Invariant property smplace_791 does not hold.
Invariant property smplace_790 does not hold.
Invariant property smplace_789 does not hold.
Invariant property smplace_728 does not hold.
Invariant property smplace_725 does not hold.
Invariant property smplace_724 does not hold.
Invariant property smplace_723 does not hold.
Invariant property smplace_722 does not hold.
Invariant property smplace_614 does not hold.
Invariant property smplace_611 does not hold.
Invariant property smplace_608 does not hold.
Invariant property smplace_603 does not hold.
Invariant property smplace_602 does not hold.
Invariant property smplace_599 does not hold.
Invariant property smplace_596 does not hold.
Invariant property smplace_595 does not hold.
Invariant property smplace_581 does not hold.
Invariant property smplace_580 does not hold.
Invariant property smplace_579 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_565 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_553 does not hold.
Invariant property smplace_552 does not hold.
RANDOM walk for 2727055 steps (23420 resets) in 120004 ms. (22 steps per ms) remains 501/665 properties
Invariant property smplace_551 does not hold.
Invariant property smplace_550 does not hold.
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 501/501 properties
Invariant property smplace_549 does not hold.
Invariant property smplace_548 does not hold.
Invariant property smplace_545 does not hold.
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 39 ms. (100 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 501/501 properties
Invariant property smplace_526 does not hold.
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 54 ms. (72 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 501/501 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 501/501 properties
// Phase 1: matrix 2172 rows 1398 cols
[2026-05-25 05:50:33] [INFO ] Computed 268 invariants in 52 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
SDD proceeding with computation,1440 properties remain. new max is 128
SDD size :2.51547e+07 after 3.39917e+09
Invariant property smplace_804 does not hold.
Invariant property smplace_798 does not hold.
Invariant property smplace_794 does not hold.
Invariant property smplace_760 does not hold.
Invariant property smplace_740 does not hold.
Invariant property smplace_730 does not hold.
Invariant property smplace_729 does not hold.
Invariant property smplace_727 does not hold.
Invariant property smplace_726 does not hold.
Invariant property smplace_721 does not hold.
Invariant property smplace_718 does not hold.
Invariant property smplace_684 does not hold.
SDD proceeding with computation,1428 properties remain. new max is 128
SDD size :3.39917e+09 after 6.34384e+10
Invariant property smplace_1007 does not hold.
Invariant property smplace_1004 does not hold.
Invariant property smplace_1001 does not hold.
Invariant property smplace_987 does not hold.
Invariant property smplace_986 does not hold.
Invariant property smplace_985 does not hold.
Invariant property smplace_984 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_923 does not hold.
Invariant property smplace_922 does not hold.
Invariant property smplace_921 does not hold.
Invariant property smplace_920 does not hold.
Invariant property smplace_919 does not hold.
Invariant property smplace_918 does not hold.
Invariant property smplace_917 does not hold.
Invariant property smplace_806 does not hold.
Invariant property smplace_803 does not hold.
Invariant property smplace_797 does not hold.
Invariant property smplace_776 does not hold.
Invariant property smplace_775 does not hold.
Invariant property smplace_774 does not hold.
Invariant property smplace_772 does not hold.
Invariant property smplace_771 does not hold.
Invariant property smplace_770 does not hold.
Invariant property smplace_769 does not hold.
Invariant property smplace_768 does not hold.
Invariant property smplace_767 does not hold.
Invariant property smplace_766 does not hold.
Invariant property smplace_765 does not hold.
Invariant property smplace_764 does not hold.
Invariant property smplace_763 does not hold.
Invariant property smplace_752 does not hold.
Invariant property smplace_751 does not hold.
Invariant property smplace_750 does not hold.
Invariant property smplace_749 does not hold.
Invariant property smplace_748 does not hold.
Invariant property smplace_747 does not hold.
Invariant property smplace_746 does not hold.
Invariant property smplace_745 does not hold.
Invariant property smplace_744 does not hold.
Invariant property smplace_743 does not hold.
SDD proceeding with computation,1385 properties remain. new max is 128
SDD size :6.34384e+10 after 8.4955e+12
Invariant property smplace_1199 does not hold.
Invariant property smplace_1182 does not hold.
Invariant property smplace_1181 does not hold.
Invariant property smplace_1180 does not hold.
Invariant property smplace_1179 does not hold.
Invariant property smplace_999 does not hold.
Invariant property smplace_998 does not hold.
Invariant property smplace_993 does not hold.
Invariant property smplace_992 does not hold.
Invariant property smplace_989 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_955 does not hold.
Invariant property smplace_947 does not hold.
Invariant property smplace_946 does not hold.
Invariant property smplace_945 does not hold.
Invariant property smplace_944 does not hold.
Invariant property smplace_943 does not hold.
Invariant property smplace_942 does not hold.
Invariant property smplace_941 does not hold.
Invariant property smplace_940 does not hold.
Invariant property smplace_939 does not hold.
Invariant property smplace_938 does not hold.
Invariant property smplace_935 does not hold.
Invariant property smplace_925 does not hold.
Invariant property smplace_924 does not hold.
Invariant property smplace_916 does not hold.
Invariant property smplace_913 does not hold.
Invariant property smplace_879 does not hold.
SDD proceeding with computation,1348 properties remain. new max is 128
SDD size :8.4955e+12 after 4.36006e+14
Invariant property smplace_1202 does not hold.
Invariant property smplace_1196 does not hold.
Invariant property smplace_1194 does not hold.
Invariant property smplace_1188 does not hold.
Invariant property smplace_1184 does not hold.
Invariant property smplace_1166 does not hold.
Invariant property smplace_1165 does not hold.
Invariant property smplace_1164 does not hold.
Invariant property smplace_1150 does not hold.
Invariant property smplace_1130 does not hold.
Invariant property smplace_1120 does not hold.
Invariant property smplace_1119 does not hold.
Invariant property smplace_1118 does not hold.
Invariant property smplace_1117 does not hold.
Invariant property smplace_1116 does not hold.
Invariant property smplace_1115 does not hold.
Invariant property smplace_1114 does not hold.
Invariant property smplace_1113 does not hold.
Invariant property smplace_1112 does not hold.
Invariant property smplace_1111 does not hold.
Invariant property smplace_1108 does not hold.
Invariant property smplace_1074 does not hold.
SDD proceeding with computation,1326 properties remain. new max is 128
SDD size :4.36006e+14 after 6.24117e+16
Invariant property smplace_1394 does not hold.
Invariant property smplace_1391 does not hold.
Invariant property smplace_1377 does not hold.
Invariant property smplace_1376 does not hold.
Invariant property smplace_1375 does not hold.
Invariant property smplace_1374 does not hold.
Invariant property smplace_1361 does not hold.
Invariant property smplace_1360 does not hold.
Invariant property smplace_1193 does not hold.
Invariant property smplace_1187 does not hold.
Invariant property smplace_1162 does not hold.
Invariant property smplace_1161 does not hold.
Invariant property smplace_1160 does not hold.
Invariant property smplace_1159 does not hold.
Invariant property smplace_1158 does not hold.
Invariant property smplace_1157 does not hold.
Invariant property smplace_1156 does not hold.
Invariant property smplace_1155 does not hold.
Invariant property smplace_1154 does not hold.
Invariant property smplace_1153 does not hold.
Invariant property smplace_1142 does not hold.
Invariant property smplace_1141 does not hold.
Invariant property smplace_1140 does not hold.
Invariant property smplace_1139 does not hold.
Invariant property smplace_1138 does not hold.
Invariant property smplace_1137 does not hold.
Invariant property smplace_1136 does not hold.
Invariant property smplace_1135 does not hold.
Invariant property smplace_1134 does not hold.
Invariant property smplace_1133 does not hold.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/501 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 501 unsolved
SDD proceeding with computation,1296 properties remain. new max is 128
SDD size :6.24117e+16 after 1.70079e+18
Invariant property smplace_1589 does not hold.
Invariant property smplace_1572 does not hold.
Invariant property smplace_1571 does not hold.
Invariant property smplace_1570 does not hold.
Invariant property smplace_1569 does not hold.
Invariant property smplace_1397 does not hold.
Invariant property smplace_1389 does not hold.
Invariant property smplace_1388 does not hold.
Invariant property smplace_1383 does not hold.
Invariant property smplace_1382 does not hold.
Invariant property smplace_1379 does not hold.
Invariant property smplace_1359 does not hold.
Invariant property smplace_1345 does not hold.
Invariant property smplace_1335 does not hold.
Invariant property smplace_1334 does not hold.
Invariant property smplace_1333 does not hold.
Invariant property smplace_1332 does not hold.
Invariant property smplace_1331 does not hold.
Invariant property smplace_1330 does not hold.
Invariant property smplace_1329 does not hold.
Invariant property smplace_1325 does not hold.
Invariant property smplace_1315 does not hold.
Invariant property smplace_1314 does not hold.
Invariant property smplace_1313 does not hold.
Invariant property smplace_1312 does not hold.
Invariant property smplace_1311 does not hold.
Invariant property smplace_1310 does not hold.
Invariant property smplace_1309 does not hold.
Invariant property smplace_1308 does not hold.
Invariant property smplace_1307 does not hold.
Invariant property smplace_1306 does not hold.
Invariant property smplace_1303 does not hold.
Invariant property smplace_1269 does not hold.
SDD proceeding with computation,1263 properties remain. new max is 128
SDD size :1.70079e+18 after 1.801e+20
Invariant property smplace_1357 does not hold.
Invariant property smplace_1356 does not hold.
Invariant property smplace_1355 does not hold.
Invariant property smplace_1354 does not hold.
Invariant property smplace_1353 does not hold.
Invariant property smplace_1352 does not hold.
Invariant property smplace_1351 does not hold.
Invariant property smplace_1350 does not hold.
Invariant property smplace_1349 does not hold.
Invariant property smplace_1348 does not hold.
Invariant property smplace_1337 does not hold.
Invariant property smplace_1336 does not hold.
Invariant property smplace_1328 does not hold.
SDD proceeding with computation,1250 properties remain. new max is 128
SDD size :1.801e+20 after 8.2932e+20
Invariant property smplace_1586 does not hold.
Invariant property smplace_1556 does not hold.
Invariant property smplace_1555 does not hold.
Invariant property smplace_1554 does not hold.
SDD proceeding with computation,1246 properties remain. new max is 128
SDD size :8.2932e+20 after 2.0733e+21
Invariant property smplace_1592 does not hold.
Invariant property smplace_1552 does not hold.
Invariant property smplace_1551 does not hold.
Invariant property smplace_1550 does not hold.
Invariant property smplace_1549 does not hold.
Invariant property smplace_1548 does not hold.
Invariant property smplace_1547 does not hold.
Invariant property smplace_1546 does not hold.
Invariant property smplace_1545 does not hold.
Invariant property smplace_1544 does not hold.
Invariant property smplace_1543 does not hold.
Invariant property smplace_1532 does not hold.
Invariant property smplace_1531 does not hold.
Invariant property smplace_1530 does not hold.
Invariant property smplace_1529 does not hold.
Invariant property smplace_1528 does not hold.
Invariant property smplace_1527 does not hold.
Invariant property smplace_1526 does not hold.
Invariant property smplace_1525 does not hold.
Invariant property smplace_1524 does not hold.
Invariant property smplace_1523 does not hold.
Invariant property smplace_1510 does not hold.
Invariant property smplace_1509 does not hold.
Invariant property smplace_1508 does not hold.
Invariant property smplace_1507 does not hold.
Invariant property smplace_1506 does not hold.
Invariant property smplace_1505 does not hold.
Invariant property smplace_1504 does not hold.
Invariant property smplace_1503 does not hold.
Invariant property smplace_1502 does not hold.
Invariant property smplace_1501 does not hold.
SDD proceeding with computation,1215 properties remain. new max is 128
SDD size :2.0733e+21 after 7.50534e+22
Invariant property smplace_1666 does not hold.
Invariant property smplace_1665 does not hold.
Invariant property smplace_1656 does not hold.
Invariant property smplace_1628 does not hold.
Invariant property smplace_1627 does not hold.
Invariant property smplace_1626 does not hold.
Invariant property smplace_1625 does not hold.
Invariant property smplace_1624 does not hold.
Invariant property smplace_1623 does not hold.
Invariant property smplace_1622 does not hold.
Invariant property smplace_1621 does not hold.
Invariant property smplace_1620 does not hold.
Invariant property smplace_1619 does not hold.
Invariant property smplace_1618 does not hold.
Invariant property smplace_1617 does not hold.
Invariant property smplace_1616 does not hold.
Invariant property smplace_1615 does not hold.
Invariant property smplace_1614 does not hold.
Invariant property smplace_1584 does not hold.
Invariant property smplace_1540 does not hold.
Invariant property smplace_1520 does not hold.
Invariant property smplace_1498 does not hold.
Invariant property smplace_1464 does not hold.
Invariant property smplace_1416 does not hold.
Invariant property smplace_1415 does not hold.
Invariant property smplace_1414 does not hold.
Invariant property smplace_1413 does not hold.
Invariant property smplace_1412 does not hold.
Invariant property smplace_1411 does not hold.
Invariant property smplace_1410 does not hold.
Invariant property smplace_1409 does not hold.
Invariant property smplace_1408 does not hold.
Invariant property smplace_1407 does not hold.
Invariant property smplace_1406 does not hold.
Invariant property smplace_1405 does not hold.
Invariant property smplace_1404 does not hold.
Invariant property smplace_1403 does not hold.
At refinement iteration 1 (INCLUDED_ONLY) 0/501 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 2 (OVERLAPS) 106/607 variables, 69/90 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/607 variables, 7/97 constraints. Problems are: Problem set: 0 solved, 501 unsolved
SDD proceeding with computation,1178 properties remain. new max is 128
SDD size :7.50534e+22 after 1.38538e+24
Invariant property smplace_1613 does not hold.
Invariant property smplace_1612 does not hold.
Invariant property smplace_1590 does not hold.
Invariant property smplace_1588 does not hold.
Invariant property smplace_1585 does not hold.
Invariant property smplace_1567 does not hold.
Invariant property smplace_1564 does not hold.
Invariant property smplace_1563 does not hold.
Invariant property smplace_1562 does not hold.
Invariant property smplace_1561 does not hold.
Invariant property smplace_1475 does not hold.
Invariant property smplace_1459 does not hold.
Invariant property smplace_1458 does not hold.
Invariant property smplace_1457 does not hold.
Invariant property smplace_1454 does not hold.
Invariant property smplace_1402 does not hold.
Invariant property smplace_1401 does not hold.
Invariant property smplace_1400 does not hold.
Invariant property smplace_1399 does not hold.
At refinement iteration 4 (INCLUDED_ONLY) 0/607 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 501 unsolved
At refinement iteration 5 (OVERLAPS) 3/610 variables, 3/100 constraints. Problems are: Problem set: 0 solved, 501 unsolved
SDD proceeding with computation,1159 properties remain. new max is 128
SDD size :1.38538e+24 after 1.53926e+24
SDD proceeding with computation,1159 properties remain. new max is 256
SDD size :1.53926e+24 after 1.54e+24
Invariant property smplace_1566 does not hold.
Invariant property smplace_1456 does not hold.
Invariant property smplace_1455 does not hold.
Invariant property smplace_1453 does not hold.
Invariant property smplace_1452 does not hold.
Invariant property smplace_1221 does not hold.
SDD proceeding with computation,1153 properties remain. new max is 256
SDD size :1.54e+24 after 1.54427e+24
Invariant property smplace_1451 does not hold.
Invariant property smplace_1450 does not hold.
Invariant property smplace_1449 does not hold.
Invariant property smplace_1448 does not hold.
Invariant property smplace_1447 does not hold.
Invariant property smplace_1446 does not hold.
Invariant property smplace_1445 does not hold.
Invariant property smplace_1444 does not hold.
Invariant property smplace_1443 does not hold.
Invariant property smplace_1442 does not hold.
Invariant property smplace_1441 does not hold.
Invariant property smplace_1440 does not hold.
Invariant property smplace_1439 does not hold.
Invariant property smplace_1438 does not hold.
Invariant property smplace_1437 does not hold.
Invariant property smplace_1395 does not hold.
Invariant property smplace_1366 does not hold.
Invariant property smplace_1280 does not hold.
Invariant property smplace_1264 does not hold.
Invariant property smplace_1263 does not hold.
Invariant property smplace_1262 does not hold.
Invariant property smplace_1261 does not hold.
Invariant property smplace_1258 does not hold.
Invariant property smplace_1257 does not hold.
Invariant property smplace_1256 does not hold.
Invariant property smplace_1255 does not hold.
Invariant property smplace_1254 does not hold.
Invariant property smplace_1253 does not hold.
Invariant property smplace_1252 does not hold.
Invariant property smplace_1251 does not hold.
Invariant property smplace_1250 does not hold.
Invariant property smplace_1249 does not hold.
Invariant property smplace_1248 does not hold.
Invariant property smplace_1247 does not hold.
Invariant property smplace_1246 does not hold.
Invariant property smplace_1245 does not hold.
Invariant property smplace_1244 does not hold.
Invariant property smplace_1243 does not hold.
Invariant property smplace_1242 does not hold.
Invariant property smplace_1220 does not hold.
Invariant property smplace_1219 does not hold.
Invariant property smplace_1218 does not hold.
Invariant property smplace_1217 does not hold.
Invariant property smplace_1216 does not hold.
Invariant property smplace_1215 does not hold.
Invariant property smplace_1214 does not hold.
Invariant property smplace_1213 does not hold.
Invariant property smplace_1212 does not hold.
Invariant property smplace_1211 does not hold.
Invariant property smplace_1210 does not hold.
Invariant property smplace_1209 does not hold.
Invariant property smplace_1208 does not hold.
Invariant property smplace_1207 does not hold.
Invariant property smplace_1206 does not hold.
Invariant property smplace_1205 does not hold.
Invariant property smplace_1204 does not hold.
Invariant property smplace_1200 does not hold.
Invariant property smplace_1171 does not hold.
Invariant property smplace_1085 does not hold.
Invariant property smplace_1069 does not hold.
Invariant property smplace_1068 does not hold.
Invariant property smplace_1067 does not hold.
Invariant property smplace_1066 does not hold.
Invariant property smplace_1063 does not hold.
Invariant property smplace_1062 does not hold.
Invariant property smplace_1061 does not hold.
Invariant property smplace_1060 does not hold.
Invariant property smplace_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_1047 does not hold.
Invariant property smplace_1026 does not hold.
Invariant property smplace_1025 does not hold.
Invariant property smplace_1024 does not hold.
Invariant property smplace_1023 does not hold.
Invariant property smplace_1022 does not hold.
Invariant property smplace_1021 does not hold.
Invariant property smplace_1020 does not hold.
Invariant property smplace_1019 does not hold.
Invariant property smplace_1018 does not hold.
Invariant property smplace_1017 does not hold.
Invariant property smplace_1016 does not hold.
Invariant property smplace_1015 does not hold.
Invariant property smplace_1014 does not hold.
Invariant property smplace_1013 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_1005 does not hold.
Invariant property smplace_976 does not hold.
Invariant property smplace_890 does not hold.
Invariant property smplace_874 does not hold.
Invariant property smplace_873 does not hold.
Invariant property smplace_872 does not hold.
Invariant property smplace_871 does not hold.
Invariant property smplace_868 does not hold.
Invariant property smplace_867 does not hold.
Invariant property smplace_866 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_862 does not hold.
Invariant property smplace_861 does not hold.
Invariant property smplace_860 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_856 does not hold.
Invariant property smplace_855 does not hold.
Invariant property smplace_854 does not hold.
Invariant property smplace_853 does not hold.
Invariant property smplace_852 does not hold.
Invariant property smplace_831 does not hold.
Invariant property smplace_830 does not hold.
Invariant property smplace_829 does not hold.
Invariant property smplace_828 does not hold.
Invariant property smplace_827 does not hold.
Invariant property smplace_826 does not hold.
Invariant property smplace_825 does not hold.
Invariant property smplace_824 does not hold.
Invariant property smplace_823 does not hold.
Invariant property smplace_822 does not hold.
Invariant property smplace_821 does not hold.
Invariant property smplace_820 does not hold.
Invariant property smplace_819 does not hold.
Invariant property smplace_818 does not hold.
Invariant property smplace_817 does not hold.
Invariant property smplace_816 does not hold.
Invariant property smplace_815 does not hold.
Invariant property smplace_814 does not hold.
Invariant property smplace_810 does not hold.
Invariant property smplace_695 does not hold.
Invariant property smplace_694 does not hold.
Invariant property smplace_679 does not hold.
Invariant property smplace_678 does not hold.
Invariant property smplace_677 does not hold.
Invariant property smplace_676 does not hold.
Invariant property smplace_673 does not hold.
Invariant property smplace_672 does not hold.
Invariant property smplace_671 does not hold.
Invariant property smplace_670 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_630 does not hold.
Invariant property smplace_629 does not hold.
Invariant property smplace_628 does not hold.
Invariant property smplace_627 does not hold.
Invariant property smplace_626 does not hold.
Invariant property smplace_625 does not hold.
Invariant property smplace_624 does not hold.
Invariant property smplace_623 does not hold.
Invariant property smplace_622 does not hold.
Invariant property smplace_621 does not hold.
Invariant property smplace_620 does not hold.
Invariant property smplace_619 does not hold.
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 610/3570 variables, and 100 constraints, problems are : Problem set: 95 solved, 406 unsolved in 45034 ms.
Refiners :[Positive P Invariants (semi-flows): 72/94 constraints, Generalized P Invariants (flows): 28/174 constraints, State Equation: 0/1398 constraints, PredecessorRefiner: 501/501 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 95 solved, 406 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/406 variables, 12/12 constraints. Problems are: Problem set: 95 solved, 406 unsolved
Invariant property smplace_441 does not hold.
Invariant property smplace_440 does not hold.
Invariant property smplace_439 does not hold.
SDD proceeding with computation,981 properties remain. new max is 256
SDD size :1.54427e+24 after 1.56774e+24
Invariant property smplace_669 does not hold.
Invariant property smplace_668 does not hold.
Invariant property smplace_667 does not hold.
Invariant property smplace_666 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_586 does not hold.
Invariant property smplace_585 does not hold.
Invariant property smplace_584 does not hold.
Invariant property smplace_583 does not hold.
Invariant property smplace_438 does not hold.
Invariant property smplace_437 does not hold.
Invariant property smplace_436 does not hold.
Invariant property smplace_435 does not hold.
Invariant property smplace_434 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_430 does not hold.
Invariant property smplace_429 does not hold.
Invariant property smplace_428 does not hold.
Invariant property smplace_427 does not hold.
Invariant property smplace_426 does not hold.
Invariant property smplace_425 does not hold.
SDD proceeding with computation,950 properties remain. new max is 256
SDD size :1.56774e+24 after 1.56774e+24
SDD proceeding with computation,950 properties remain. new max is 512
SDD size :1.56774e+24 after 1.56774e+24
At refinement iteration 1 (INCLUDED_ONLY) 0/406 variables, 0/12 constraints. Problems are: Problem set: 129 solved, 372 unsolved
At refinement iteration 2 (OVERLAPS) 112/518 variables, 69/81 constraints. Problems are: Problem set: 129 solved, 372 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/518 variables, 7/88 constraints. Problems are: Problem set: 129 solved, 372 unsolved
Invariant property smplace_500 does not hold.
Invariant property smplace_499 does not hold.
At refinement iteration 4 (INCLUDED_ONLY) 0/518 variables, 0/88 constraints. Problems are: Problem set: 131 solved, 370 unsolved
At refinement iteration 5 (OVERLAPS) 3/521 variables, 3/91 constraints. Problems are: Problem set: 131 solved, 370 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/521 variables, 0/91 constraints. Problems are: Problem set: 131 solved, 370 unsolved
At refinement iteration 7 (OVERLAPS) 559/1080 variables, 85/176 constraints. Problems are: Problem set: 131 solved, 370 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:51:52] [INFO ] Deduced a trap composed of 22 places in 745 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,948 properties remain. new max is 512
SDD size :1.56774e+24 after 1.56774e+24
[2026-05-25 05:51:52] [INFO ] Deduced a trap composed of 22 places in 446 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:51:53] [INFO ] Deduced a trap composed of 22 places in 521 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:51:53] [INFO ] Deduced a trap composed of 22 places in 334 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:51:53] [INFO ] Deduced a trap composed of 22 places in 264 ms of which 22 ms to minimize.
Invariant property smplace_484 does not hold.
Invariant property smplace_424 does not hold.
SDD proceeding with computation,946 properties remain. new max is 512
SDD size :1.56774e+24 after 1.56774e+24
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:51:58] [INFO ] Deduced a trap composed of 26 places in 229 ms of which 16 ms to minimize.
SDD proceeding with computation,946 properties remain. new max is 1024
SDD size :1.56774e+24 after 1.56774e+24
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1080/3570 variables, and 182 constraints, problems are : Problem set: 133 solved, 368 unsolved in 45036 ms.
Refiners :[Positive P Invariants (semi-flows): 72/94 constraints, Generalized P Invariants (flows): 104/174 constraints, State Equation: 0/1398 constraints, PredecessorRefiner: 0/501 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90324ms problems are : Problem set: 133 solved, 368 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 368 out of 1398 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1398/1398 places, 2172/2172 transitions.
Ensure Unique test removed 6 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 1392 transition count 2162
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 1 with 12 rules applied. Total rules applied 28 place count 1380 transition count 2162
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 28 place count 1380 transition count 2156
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 40 place count 1374 transition count 2156
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 2 with 2 rules applied. Total rules applied 42 place count 1372 transition count 2156
Invariant property smplace_615 does not hold.
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 47 place count 1367 transition count 2126
Iterating global reduction 3 with 5 rules applied. Total rules applied 52 place count 1367 transition count 2126
Invariant property smplace_483 does not hold.
Invariant property smplace_482 does not hold.
Invariant property smplace_481 does not hold.
Invariant property smplace_478 does not hold.
Invariant property smplace_477 does not hold.
Invariant property smplace_476 does not hold.
Invariant property smplace_475 does not hold.
Invariant property smplace_474 does not hold.
Invariant property smplace_473 does not hold.
Invariant property smplace_472 does not hold.
Invariant property smplace_471 does not hold.
Invariant property smplace_470 does not hold.
Invariant property smplace_469 does not hold.
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Invariant property smplace_468 does not hold.
Invariant property smplace_467 does not hold.
Deduced a syphon composed of 15 places in 4 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 82 place count 1352 transition count 2111
Invariant property smplace_466 does not hold.
Invariant property smplace_465 does not hold.
Invariant property smplace_464 does not hold.
Invariant property smplace_463 does not hold.
Invariant property smplace_462 does not hold.
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 84 place count 1350 transition count 2109
Iterating global reduction 3 with 2 rules applied. Total rules applied 86 place count 1350 transition count 2109
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 88 place count 1350 transition count 2107
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 91 place count 1348 transition count 2106
Invariant property smplace_391 does not hold.
Invariant property smplace_390 does not hold.
Invariant property smplace_389 does not hold.
Invariant property smplace_388 does not hold.
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 93 place count 1348 transition count 2106
Applied a total of 93 rules in 393 ms. Remains 1348 /1398 variables (removed 50) and now considering 2106/2172 (removed 66) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 393 ms. Remains : 1348/1398 places, 2106/2172 transitions.
Invariant property smplace_305 does not hold.
Invariant property smplace_304 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_235 does not hold.
Invariant property smplace_234 does not hold.
Invariant property smplace_233 does not hold.
Invariant property smplace_232 does not hold.
Invariant property smplace_231 does not hold.
Invariant property smplace_230 does not hold.
SDD proceeding with computation,902 properties remain. new max is 1024
SDD size :1.56774e+24 after 1.56774e+24
Invariant property smplace_289 does not hold.
Invariant property smplace_229 does not hold.
SDD proceeding with computation,900 properties remain. new max is 1024
SDD size :1.56774e+24 after 1.56774e+24
Invariant property smplace_420 does not hold.
Invariant property smplace_418 does not hold.
Invariant property smplace_415 does not hold.
Invariant property smplace_397 does not hold.
Invariant property smplace_396 does not hold.
Invariant property smplace_395 does not hold.
Invariant property smplace_394 does not hold.
Invariant property smplace_393 does not hold.
Invariant property smplace_392 does not hold.
Invariant property smplace_288 does not hold.
Invariant property smplace_287 does not hold.
Invariant property smplace_286 does not hold.
Invariant property smplace_285 does not hold.
Invariant property smplace_284 does not hold.
Invariant property smplace_283 does not hold.
Invariant property smplace_282 does not hold.
Invariant property smplace_281 does not hold.
Invariant property smplace_280 does not hold.
Invariant property smplace_279 does not hold.
Invariant property smplace_278 does not hold.
Invariant property smplace_277 does not hold.
Invariant property smplace_276 does not hold.
Invariant property smplace_275 does not hold.
Invariant property smplace_274 does not hold.
Invariant property smplace_273 does not hold.
Invariant property smplace_272 does not hold.
Invariant property smplace_271 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_111 does not hold.
Invariant property smplace_110 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_46 does not hold.
Invariant property smplace_45 does not hold.
Invariant property smplace_44 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.
SDD proceeding with computation,850 properties remain. new max is 1024
SDD size :1.56774e+24 after 1.56774e+24
Invariant property smplace_613 does not hold.
Invariant property smplace_592 does not hold.
Invariant property smplace_591 does not hold.
Invariant property smplace_590 does not hold.
Invariant property smplace_589 does not hold.
Invariant property smplace_588 does not hold.
Invariant property smplace_587 does not hold.
Invariant property smplace_480 does not hold.
SDD proceeding with computation,842 properties remain. new max is 1024
SDD size :1.56774e+24 after 1.56774e+24
Invariant property smplace_610 does not hold.
Invariant property smplace_479 does not hold.
SDD proceeding with computation,840 properties remain. new max is 1024
SDD size :1.56774e+24 after 1.56774e+24
RANDOM walk for 3994101 steps (38165 resets) in 117650 ms. (33 steps per ms) remains 330/343 properties
BEST_FIRST walk for 40003 steps (46 resets) in 213 ms. (186 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (43 resets) in 213 ms. (186 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 233 ms. (170 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (44 resets) in 246 ms. (161 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (44 resets) in 223 ms. (178 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 229 ms. (173 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 240 ms. (165 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (46 resets) in 204 ms. (195 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 249 ms. (160 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 212 ms. (187 steps per ms) remains 330/330 properties
SDD proceeding with computation,840 properties remain. new max is 2048
SDD size :1.56774e+24 after 1.56774e+24
BEST_FIRST walk for 40004 steps (43 resets) in 257 ms. (155 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 218 ms. (182 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 258 ms. (154 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40002 steps (43 resets) in 219 ms. (181 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (46 resets) in 259 ms. (153 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 248 ms. (160 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 276 ms. (144 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (44 resets) in 220 ms. (181 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (43 resets) in 268 ms. (148 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 227 ms. (175 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 254 ms. (156 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (44 resets) in 278 ms. (143 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 230 ms. (173 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 234 ms. (170 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (43 resets) in 225 ms. (177 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 263 ms. (151 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 229 ms. (173 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (44 resets) in 283 ms. (140 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (44 resets) in 228 ms. (174 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (45 resets) in 233 ms. (170 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 223 ms. (178 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40002 steps (45 resets) in 224 ms. (177 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (46 resets) in 284 ms. (140 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 223 ms. (178 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (45 resets) in 268 ms. (148 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (44 resets) in 245 ms. (162 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (45 resets) in 225 ms. (177 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 271 ms. (147 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (43 resets) in 257 ms. (155 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40001 steps (47 resets) in 222 ms. (179 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40002 steps (44 resets) in 226 ms. (176 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40002 steps (44 resets) in 253 ms. (157 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (44 resets) in 222 ms. (179 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40003 steps (45 resets) in 239 ms. (166 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 228 ms. (174 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 232 ms. (171 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 220 ms. (181 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (48 resets) in 216 ms. (184 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (45 resets) in 232 ms. (171 steps per ms) remains 330/330 properties
BEST_FIRST walk for 40004 steps (46 resets) in 232 ms. (171 steps per ms) remains 330/330 properties
Invariant property smplace_225 does not hold.
Invariant property smplace_223 does not hold.
Invariant property smplace_220 does not hold.
Invariant property smplace_203 does not hold.
Invariant property smplace_202 does not hold.
Invariant property smplace_201 does not hold.
Invariant property smplace_200 does not hold.
Invariant property smplace_199 does not hold.
Invariant property smplace_198 does not hold.
Invariant property smplace_197 does not hold.
Invariant property smplace_196 does not hold.
Invariant property smplace_195 does not hold.
Invariant property smplace_194 does not hold.
Invariant property smplace_95 does not hold.
Invariant property smplace_94 does not hold.
Invariant property smplace_93 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_89 does not hold.
Invariant property smplace_88 does not hold.
Invariant property smplace_87 does not hold.
Invariant property smplace_86 does not hold.
Invariant property smplace_85 does not hold.
Invariant property smplace_84 does not hold.
Invariant property smplace_83 does not hold.
Invariant property smplace_82 does not hold.
Invariant property smplace_81 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_35 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_15 does not hold.
Invariant property smplace_14 does not hold.
Invariant property smplace_13 does not hold.
Invariant property smplace_12 does not hold.
Invariant property smplace_11 does not hold.
Invariant property smplace_10 does not hold.
Invariant property smplace_9 does not hold.
Invariant property smplace_8 does not hold.
Invariant property smplace_7 does not hold.
Invariant property smplace_6 does not hold.
Invariant property smplace_5 does not hold.
Invariant property smplace_4 does not hold.
Invariant property smplace_3 does not hold.
Invariant property smplace_2 does not hold.
SDD proceeding with computation,787 properties remain. new max is 2048
SDD size :1.56774e+24 after 1.56774e+24
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_23 does not hold.
Invariant property smplace_19 does not hold.
Invariant property smplace_1 does not hold.
SDD proceeding with computation,780 properties remain. new max is 2048
SDD size :1.56774e+24 after 1.56774e+24
SDD proceeding with computation,780 properties remain. new max is 4096
SDD size :1.56774e+24 after 1.56774e+24
Invariant property smplace_808 does not hold.
Invariant property smplace_805 does not hold.
Invariant property smplace_787 does not hold.
Invariant property smplace_786 does not hold.
Invariant property smplace_785 does not hold.
Invariant property smplace_784 does not hold.
Invariant property smplace_783 does not hold.
Invariant property smplace_782 does not hold.
Invariant property smplace_781 does not hold.
Invariant property smplace_780 does not hold.
Invariant property smplace_779 does not hold.
Invariant property smplace_778 does not hold.
Invariant property smplace_675 does not hold.
Invariant property smplace_674 does not hold.
SDD proceeding with computation,766 properties remain. new max is 4096
SDD size :1.56774e+24 after 1.56774e+24
Invariant property smplace_1390 does not hold.
Invariant property smplace_1372 does not hold.
Invariant property smplace_1371 does not hold.
Invariant property smplace_1370 does not hold.
Invariant property smplace_1367 does not hold.
Invariant property smplace_1259 does not hold.
Invariant property smplace_1198 does not hold.
Invariant property smplace_1195 does not hold.
Invariant property smplace_1177 does not hold.
Invariant property smplace_1176 does not hold.
Invariant property smplace_1175 does not hold.
Invariant property smplace_1174 does not hold.
Invariant property smplace_1173 does not hold.
Invariant property smplace_1172 does not hold.
Invariant property smplace_1170 does not hold.
Invariant property smplace_1169 does not hold.
Invariant property smplace_1168 does not hold.
Invariant property smplace_1084 does not hold.
Invariant property smplace_1065 does not hold.
Invariant property smplace_1064 does not hold.
Invariant property smplace_1003 does not hold.
Invariant property smplace_1000 does not hold.
Invariant property smplace_982 does not hold.
Invariant property smplace_981 does not hold.
Invariant property smplace_980 does not hold.
Invariant property smplace_979 does not hold.
Invariant property smplace_978 does not hold.
Invariant property smplace_977 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_889 does not hold.
Invariant property smplace_870 does not hold.
Invariant property smplace_869 does not hold.
SDD proceeding with computation,732 properties remain. new max is 4096
SDD size :1.56774e+24 after 1.56775e+24
Invariant property smplace_1664 does not hold.
Invariant property smplace_1663 does not hold.
Invariant property smplace_1565 does not hold.
Invariant property smplace_1560 does not hold.
Invariant property smplace_1559 does not hold.
Invariant property smplace_1558 does not hold.
Invariant property smplace_1474 does not hold.
Invariant property smplace_1473 does not hold.
Invariant property smplace_1393 does not hold.
Invariant property smplace_1369 does not hold.
Invariant property smplace_1368 does not hold.
Invariant property smplace_1365 does not hold.
Invariant property smplace_1364 does not hold.
Invariant property smplace_1363 does not hold.
Invariant property smplace_1279 does not hold.
Invariant property smplace_1260 does not hold.
SDD proceeding with computation,716 properties remain. new max is 4096
SDD size :1.56775e+24 after 2.98725e+25
Invariant property smplace_1278 does not hold.
Invariant property smplace_1083 does not hold.
Invariant property smplace_888 does not hold.
Interrupted probabilistic random walk after 5128907 steps, run timeout after 102001 ms. (steps per millisecond=50 ) properties seen :17 out of 330
Probabilistic random walk after 5128907 steps, saw 1090303 distinct states, run finished after 102013 ms. (steps per millisecond=50 ) properties seen :17
// Phase 1: matrix 2106 rows 1348 cols
[2026-05-25 05:54:20] [INFO ] Computed 258 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) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 122 unsolved
At refinement iteration 2 (OVERLAPS) 56/178 variables, 24/25 constraints. Problems are: Problem set: 0 solved, 122 unsolved
Invariant property smplace_693 does not hold.
Invariant property smplace_692 does not hold.
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/25 constraints. Problems are: Problem set: 2 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 6/184 variables, 6/31 constraints. Problems are: Problem set: 2 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/31 constraints. Problems are: Problem set: 2 solved, 120 unsolved
At refinement iteration 6 (OVERLAPS) 587/771 variables, 73/104 constraints. Problems are: Problem set: 2 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/771 variables, 0/104 constraints. Problems are: Problem set: 2 solved, 120 unsolved
At refinement iteration 8 (OVERLAPS) 44/815 variables, 29/133 constraints. Problems are: Problem set: 2 solved, 120 unsolved
Invariant property smplace_498 does not hold.
Invariant property smplace_497 does not hold.
At refinement iteration 9 (INCLUDED_ONLY) 0/815 variables, 0/133 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 10 (OVERLAPS) 254/1069 variables, 67/200 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1069 variables, 0/200 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 12 (OVERLAPS) 25/1094 variables, 11/211 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1094 variables, 0/211 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 14 (OVERLAPS) 104/1198 variables, 10/221 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1198 variables, 0/221 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 16 (OVERLAPS) 55/1253 variables, 7/228 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1253 variables, 0/228 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 18 (OVERLAPS) 2/1255 variables, 2/230 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1255 variables, 0/230 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 20 (OVERLAPS) 83/1338 variables, 25/255 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1338 variables, 0/255 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 22 (OVERLAPS) 1/1339 variables, 1/256 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1339 variables, 0/256 constraints. Problems are: Problem set: 4 solved, 118 unsolved
At refinement iteration 24 (OVERLAPS) 9/1348 variables, 2/258 constraints. Problems are: Problem set: 4 solved, 118 unsolved
SDD proceeding with computation,709 properties remain. new max is 4096
SDD size :2.98725e+25 after 3.03183e+25
Invariant property smplace_303 does not hold.
Invariant property smplace_302 does not hold.
SDD proceeding with computation,707 properties remain. new max is 4096
SDD size :3.03183e+25 after 3.03183e+25
At refinement iteration 25 (INCLUDED_ONLY) 0/1348 variables, 0/258 constraints. Problems are: Problem set: 6 solved, 116 unsolved
At refinement iteration 26 (OVERLAPS) 2106/3454 variables, 1348/1606 constraints. Problems are: Problem set: 6 solved, 116 unsolved
Invariant property smplace_109 does not hold.
Invariant property smplace_108 does not hold.
SDD proceeding with computation,705 properties remain. new max is 4096
SDD size :3.03183e+25 after 3.03183e+25
At refinement iteration 27 (INCLUDED_ONLY) 0/3454 variables, 0/1606 constraints. Problems are: Problem set: 8 solved, 114 unsolved
Invariant property smplace_30 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_28 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_20 does not hold.
SDD proceeding with computation,699 properties remain. new max is 4096
SDD size :3.03183e+25 after 3.03183e+25
Invariant property smplace_224 does not hold.
Invariant property smplace_213 does not hold.
Invariant property smplace_212 does not hold.
Invariant property smplace_209 does not hold.
Invariant property smplace_207 does not hold.
Invariant property smplace_206 does not hold.
Invariant property smplace_205 does not hold.
At refinement iteration 28 (OVERLAPS) 0/3454 variables, 0/1606 constraints. Problems are: Problem set: 21 solved, 101 unsolved
Invariant property smplace_24 does not hold.
SDD proceeding with computation,691 properties remain. new max is 4096
SDD size :3.03183e+25 after 3.03183e+25
Invariant property smplace_887 does not hold.
No progress, stopping.
After SMT solving in domain Real declared 3454/3454 variables, and 1606 constraints, problems are : Problem set: 21 solved, 101 unsolved in 68831 ms.
Refiners :[Positive P Invariants (semi-flows): 80/80 constraints, Generalized P Invariants (flows): 178/178 constraints, State Equation: 1348/1348 constraints, PredecessorRefiner: 122/122 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 21 solved, 101 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 0/0 constraints. Problems are: Problem set: 23 solved, 99 unsolved
At refinement iteration 1 (OVERLAPS) 54/155 variables, 22/22 constraints. Problems are: Problem set: 23 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 0/22 constraints. Problems are: Problem set: 23 solved, 99 unsolved
At refinement iteration 3 (OVERLAPS) 6/161 variables, 6/28 constraints. Problems are: Problem set: 23 solved, 99 unsolved
SDD proceeding with computation,690 properties remain. new max is 4096
SDD size :3.03183e+25 after 3.03183e+25
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/28 constraints. Problems are: Problem set: 23 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 603/764 variables, 71/99 constraints. Problems are: Problem set: 23 solved, 99 unsolved
Invariant property smplace_1082 does not hold.
At refinement iteration 6 (INCLUDED_ONLY) 0/764 variables, 0/99 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 47/811 variables, 31/130 constraints. Problems are: Problem set: 24 solved, 98 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:55:36] [INFO ] Deduced a trap composed of 26 places in 90 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:55:37] [INFO ] Deduced a trap composed of 26 places in 160 ms of which 11 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/811 variables, 2/132 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/811 variables, 0/132 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 258/1069 variables, 70/202 constraints. Problems are: Problem set: 24 solved, 98 unsolved
SDD proceeding with computation,689 properties remain. new max is 4096
SDD size :3.03183e+25 after 3.0319e+25
At refinement iteration 11 (INCLUDED_ONLY) 0/1069 variables, 0/202 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 12 (OVERLAPS) 25/1094 variables, 11/213 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1094 variables, 0/213 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 104/1198 variables, 10/223 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1198 variables, 0/223 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 55/1253 variables, 7/230 constraints. Problems are: Problem set: 24 solved, 98 unsolved
Invariant property smplace_1277 does not hold.
At refinement iteration 17 (INCLUDED_ONLY) 0/1253 variables, 0/230 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 18 (OVERLAPS) 2/1255 variables, 2/232 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1255 variables, 0/232 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 20 (OVERLAPS) 83/1338 variables, 25/257 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1338 variables, 0/257 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 22 (OVERLAPS) 1/1339 variables, 1/258 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1339 variables, 0/258 constraints. Problems are: Problem set: 24 solved, 98 unsolved
At refinement iteration 24 (OVERLAPS) 9/1348 variables, 2/260 constraints. Problems are: Problem set: 24 solved, 98 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1348/3454 variables, and 260 constraints, problems are : Problem set: 24 solved, 98 unsolved in 75045 ms.
Refiners :[Positive P Invariants (semi-flows): 80/80 constraints, Generalized P Invariants (flows): 178/178 constraints, State Equation: 0/1348 constraints, PredecessorRefiner: 0/122 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 143942ms problems are : Problem set: 24 solved, 98 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 98 out of 1348 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1348/1348 places, 2106/2106 transitions.
Ensure Unique test removed 17 places
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 0 with 43 rules applied. Total rules applied 43 place count 1330 transition count 2081
Reduce places removed 39 places and 0 transitions.
Iterating post reduction 1 with 39 rules applied. Total rules applied 82 place count 1291 transition count 2081
Performed 31 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 31 Pre rules applied. Total rules applied 82 place count 1291 transition count 2050
Deduced a syphon composed of 31 places in 3 ms
Ensure Unique test removed 3 places
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 2 with 65 rules applied. Total rules applied 147 place count 1257 transition count 2050
Discarding 13 places :
Implicit places reduction removed 13 places
Iterating post reduction 2 with 13 rules applied. Total rules applied 160 place count 1244 transition count 2050
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 160 place count 1244 transition count 2049
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 162 place count 1243 transition count 2049
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 165 place count 1240 transition count 2036
Ensure Unique test removed 1 places
Iterating global reduction 3 with 4 rules applied. Total rules applied 169 place count 1239 transition count 2036
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Discarding 2 places :
Implicit places reduction removed 2 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 4 rules applied. Total rules applied 173 place count 1237 transition count 2034
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 174 place count 1236 transition count 2034
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 2 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 5 with 36 rules applied. Total rules applied 210 place count 1218 transition count 2016
Discarding 14 places :
Symmetric choice reduction at 5 with 14 rule applications. Total rules 224 place count 1204 transition count 2002
Iterating global reduction 5 with 14 rules applied. Total rules applied 238 place count 1204 transition count 2002
Free-agglomeration rule applied 14 times.
Iterating global reduction 5 with 14 rules applied. Total rules applied 252 place count 1204 transition count 1988
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 5 with 21 rules applied. Total rules applied 273 place count 1190 transition count 1981
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 274 place count 1190 transition count 1980
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 275 place count 1189 transition count 1980
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 7 with 8 rules applied. Total rules applied 283 place count 1189 transition count 1980
Applied a total of 283 rules in 433 ms. Remains 1189 /1348 variables (removed 159) and now considering 1980/2106 (removed 126) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 433 ms. Remains : 1189/1348 places, 1980/2106 transitions.
RANDOM walk for 4000000 steps (41403 resets) in 55437 ms. (72 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (516 resets) in 1427 ms. (280 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1395 ms. (286 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (514 resets) in 1267 ms. (315 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (515 resets) in 1407 ms. (284 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400001 steps (508 resets) in 1306 ms. (306 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (511 resets) in 1440 ms. (277 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (516 resets) in 1340 ms. (298 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (504 resets) in 1356 ms. (294 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1291 ms. (309 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (507 resets) in 1354 ms. (295 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (508 resets) in 1406 ms. (284 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (514 resets) in 1433 ms. (278 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (508 resets) in 1337 ms. (298 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400002 steps (515 resets) in 1346 ms. (296 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (507 resets) in 1258 ms. (317 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (510 resets) in 1295 ms. (308 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (512 resets) in 1326 ms. (301 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (510 resets) in 1385 ms. (288 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1437 ms. (278 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (520 resets) in 1310 ms. (305 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (509 resets) in 1431 ms. (279 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (503 resets) in 1398 ms. (285 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400002 steps (504 resets) in 1388 ms. (287 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (508 resets) in 1260 ms. (317 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (516 resets) in 1848 ms. (216 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (524 resets) in 1389 ms. (287 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (505 resets) in 1364 ms. (293 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1301 ms. (307 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (509 resets) in 1359 ms. (294 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (503 resets) in 1351 ms. (295 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (502 resets) in 1408 ms. (283 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (506 resets) in 1357 ms. (294 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1493 ms. (267 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (519 resets) in 1281 ms. (312 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1381 ms. (289 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (509 resets) in 1293 ms. (309 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (507 resets) in 1437 ms. (278 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (517 resets) in 1417 ms. (282 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1288 ms. (310 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (509 resets) in 1407 ms. (284 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (509 resets) in 1325 ms. (301 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (504 resets) in 1347 ms. (296 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (504 resets) in 1337 ms. (298 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (516 resets) in 1429 ms. (279 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1334 ms. (299 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (507 resets) in 1440 ms. (277 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (507 resets) in 1364 ms. (293 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (502 resets) in 1448 ms. (276 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (509 resets) in 1403 ms. (284 steps per ms) remains 98/98 properties
BEST_FIRST walk for 400003 steps (507 resets) in 1411 ms. (283 steps per ms) remains 98/98 properties
SDD proceeding with computation,688 properties remain. new max is 4096
SDD size :3.0319e+25 after 3.03194e+25
SDD proceeding with computation,688 properties remain. new max is 8192
SDD size :3.03194e+25 after 3.03194e+25
SDD proceeding with computation,688 properties remain. new max is 16384
SDD size :3.03194e+25 after 3.0321e+25
Invariant property smplace_1662 does not hold.
Invariant property smplace_1661 does not hold.
Invariant property smplace_1472 does not hold.
Invariant property smplace_1471 does not hold.
Invariant property smplace_1276 does not hold.
Invariant property smplace_1081 does not hold.
Invariant property smplace_886 does not hold.
Invariant property smplace_691 does not hold.
Invariant property smplace_690 does not hold.
SDD proceeding with computation,679 properties remain. new max is 16384
SDD size :3.0321e+25 after 2.50928e+26
Interrupted probabilistic random walk after 6946666 steps, run timeout after 108001 ms. (steps per millisecond=64 ) properties seen :0 out of 98
Probabilistic random walk after 6946666 steps, saw 1349400 distinct states, run finished after 108003 ms. (steps per millisecond=64 ) properties seen :0
// Phase 1: matrix 1980 rows 1189 cols
[2026-05-25 05:59:09] [INFO ] Computed 207 invariants in 18 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) 0/94 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 1 (OVERLAPS) 54/148 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 3 (OVERLAPS) 7/155 variables, 7/30 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 5 (OVERLAPS) 460/615 variables, 55/85 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/615 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 7 (OVERLAPS) 11/626 variables, 11/96 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/626 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 9 (OVERLAPS) 206/832 variables, 40/136 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/832 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 11 (OVERLAPS) 9/841 variables, 6/142 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/841 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 94 unsolved
At refinement iteration 13 (OVERLAPS) 54/895 variables, 8/150 constraints. Problems are: Problem set: 0 solved, 94 unsolved
Invariant property smplace_496 does not hold.
Invariant property smplace_495 does not hold.
At refinement iteration 14 (INCLUDED_ONLY) 0/895 variables, 0/150 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 15 (OVERLAPS) 3/898 variables, 3/153 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/898 variables, 0/153 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 17 (OVERLAPS) 62/960 variables, 9/162 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/960 variables, 0/162 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 19 (OVERLAPS) 21/981 variables, 4/166 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/981 variables, 0/166 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 21 (OVERLAPS) 93/1074 variables, 10/176 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1074 variables, 0/176 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 23 (OVERLAPS) 45/1119 variables, 6/182 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1119 variables, 0/182 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 25 (OVERLAPS) 68/1187 variables, 23/205 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1187 variables, 0/205 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 27 (OVERLAPS) 1/1188 variables, 1/206 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1188 variables, 0/206 constraints. Problems are: Problem set: 2 solved, 92 unsolved
At refinement iteration 29 (OVERLAPS) 1/1189 variables, 1/207 constraints. Problems are: Problem set: 2 solved, 92 unsolved
Invariant property smplace_301 does not hold.
At refinement iteration 30 (INCLUDED_ONLY) 0/1189 variables, 0/207 constraints. Problems are: Problem set: 3 solved, 91 unsolved
Invariant property smplace_300 does not hold.
At refinement iteration 31 (OVERLAPS) 1980/3169 variables, 1189/1396 constraints. Problems are: Problem set: 4 solved, 90 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/3169 variables, 0/1396 constraints. Problems are: Problem set: 4 solved, 90 unsolved
At refinement iteration 33 (OVERLAPS) 0/3169 variables, 0/1396 constraints. Problems are: Problem set: 4 solved, 90 unsolved
Detected timeout of ITS tools.
[2026-05-25 05:59:55] [INFO ] Flatten gal took : 156 ms
[2026-05-25 05:59:55] [INFO ] Applying decomposition
[2026-05-25 05:59:56] [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/graph2828657061799075869.txt' '-o' '/tmp/graph2828657061799075869.bin' '-w' '/tmp/graph2828657061799075869.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2828657061799075869.bin' '-l' '-1' '-v' '-w' '/tmp/graph2828657061799075869.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:59:56] [INFO ] Decomposing Gal with order
[2026-05-25 05:59:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:59:57] [INFO ] Removed a total of 3523 redundant transitions.
No progress, stopping.
After SMT solving in domain Real declared 3169/3169 variables, and 1396 constraints, problems are : Problem set: 4 solved, 90 unsolved in 47769 ms.
Refiners :[Positive P Invariants (semi-flows): 61/61 constraints, Generalized P Invariants (flows): 146/146 constraints, State Equation: 1189/1189 constraints, PredecessorRefiner: 94/94 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 90 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
[2026-05-25 05:59:57] [INFO ] Flatten gal took : 331 ms
[2026-05-25 05:59:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 52 labels/synchronizations in 71 ms.
[2026-05-25 05:59:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4825381064278269444.gal : 24 ms
[2026-05-25 05:59:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15464434906219650796.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/ReachabilityCardinality4825381064278269444.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15464434906219650796.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
At refinement iteration 0 (INCLUDED_ONLY) 0/90 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 90 unsolved
At refinement iteration 1 (OVERLAPS) 54/144 variables, 23/23 constraints. Problems are: Problem set: 4 solved, 90 unsolved
Loading property file /tmp/ReachabilityCardinality15464434906219650796.prop.
SDD proceeding with computation,90 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,90 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,90 properties remain. new max is 16
SDD size :1 after 11
SDD proceeding with computation,90 properties remain. new max is 32
SDD size :11 after 2.69232e+11
SDD proceeding with computation,90 properties remain. new max is 64
SDD size :2.69232e+11 after 6.65515e+24
SDD proceeding with computation,90 properties remain. new max is 128
SDD size :6.65515e+24 after 3.55375e+25
SDD proceeding with computation,90 properties remain. new max is 256
SDD size :3.55375e+25 after 1.57458e+26
At refinement iteration 2 (INCLUDED_ONLY) 0/144 variables, 0/23 constraints. Problems are: Problem set: 4 solved, 90 unsolved
At refinement iteration 3 (OVERLAPS) 7/151 variables, 7/30 constraints. Problems are: Problem set: 4 solved, 90 unsolved
Invariant property smplace_1080 does not hold.
Invariant property smplace_885 does not hold.
SDD proceeding with computation,88 properties remain. new max is 256
SDD size :1.57458e+26 after 2.72689e+26
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/30 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 5 (OVERLAPS) 464/615 variables, 55/85 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/615 variables, 0/85 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 7 (OVERLAPS) 11/626 variables, 11/96 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/626 variables, 0/96 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 9 (OVERLAPS) 206/832 variables, 40/136 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/832 variables, 0/136 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 11 (OVERLAPS) 9/841 variables, 6/142 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/841 variables, 0/142 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 13 (OVERLAPS) 54/895 variables, 8/150 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/895 variables, 0/150 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 15 (OVERLAPS) 3/898 variables, 3/153 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/898 variables, 0/153 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 17 (OVERLAPS) 62/960 variables, 9/162 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/960 variables, 0/162 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 19 (OVERLAPS) 21/981 variables, 4/166 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/981 variables, 0/166 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 21 (OVERLAPS) 93/1074 variables, 10/176 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1074 variables, 0/176 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 23 (OVERLAPS) 45/1119 variables, 6/182 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1119 variables, 0/182 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 25 (OVERLAPS) 68/1187 variables, 23/205 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1187 variables, 0/205 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 27 (OVERLAPS) 1/1188 variables, 1/206 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1188 variables, 0/206 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 29 (OVERLAPS) 1/1189 variables, 1/207 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1189 variables, 0/207 constraints. Problems are: Problem set: 6 solved, 88 unsolved
At refinement iteration 31 (OVERLAPS) 1980/3169 variables, 1189/1396 constraints. Problems are: Problem set: 6 solved, 88 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3169/3169 variables, and 1484 constraints, problems are : Problem set: 6 solved, 88 unsolved in 90028 ms.
Refiners :[Positive P Invariants (semi-flows): 61/61 constraints, Generalized P Invariants (flows): 146/146 constraints, State Equation: 1189/1189 constraints, PredecessorRefiner: 88/94 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 137848ms problems are : Problem set: 6 solved, 88 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 88 out of 1189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1189/1189 places, 1980/1980 transitions.
Applied a total of 0 rules in 65 ms. Remains 1189 /1189 variables (removed 0) and now considering 1980/1980 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 1189/1189 places, 1980/1980 transitions.
RANDOM walk for 4000000 steps (41340 resets) in 52163 ms. (76 steps per ms) remains 85/88 properties
BEST_FIRST walk for 400004 steps (505 resets) in 1306 ms. (306 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (515 resets) in 1291 ms. (309 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (517 resets) in 1348 ms. (296 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (511 resets) in 1289 ms. (310 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (506 resets) in 1308 ms. (305 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400002 steps (508 resets) in 1236 ms. (323 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (515 resets) in 1303 ms. (306 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (516 resets) in 1214 ms. (329 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (509 resets) in 1380 ms. (289 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (508 resets) in 1333 ms. (299 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1322 ms. (302 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (510 resets) in 1239 ms. (322 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (513 resets) in 1288 ms. (310 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1183 ms. (337 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (504 resets) in 1324 ms. (301 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (509 resets) in 1232 ms. (324 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (502 resets) in 1386 ms. (288 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (510 resets) in 1273 ms. (313 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1207 ms. (331 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (504 resets) in 1270 ms. (314 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1307 ms. (305 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (518 resets) in 1241 ms. (322 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1192 ms. (335 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (512 resets) in 1261 ms. (316 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (514 resets) in 1303 ms. (306 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (516 resets) in 1165 ms. (343 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (510 resets) in 1270 ms. (314 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400002 steps (509 resets) in 1204 ms. (331 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (514 resets) in 1337 ms. (298 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (509 resets) in 1223 ms. (326 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (504 resets) in 1358 ms. (294 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (512 resets) in 1171 ms. (341 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1342 ms. (297 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1373 ms. (291 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (514 resets) in 1251 ms. (319 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (510 resets) in 1366 ms. (292 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400002 steps (505 resets) in 1259 ms. (317 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (510 resets) in 1341 ms. (298 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (503 resets) in 1419 ms. (281 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1229 ms. (325 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1238 ms. (322 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1235 ms. (323 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (515 resets) in 1339 ms. (298 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1265 ms. (315 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (504 resets) in 1298 ms. (307 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (514 resets) in 1374 ms. (290 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1239 ms. (322 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (512 resets) in 1332 ms. (300 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (514 resets) in 1217 ms. (328 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (507 resets) in 1344 ms. (297 steps per ms) remains 85/85 properties
Interrupted probabilistic random walk after 6607880 steps, run timeout after 105001 ms. (steps per millisecond=62 ) properties seen :0 out of 85
Probabilistic random walk after 6607880 steps, saw 1302273 distinct states, run finished after 105001 ms. (steps per millisecond=62 ) properties seen :0
[2026-05-25 06:03:47] [INFO ] Invariant cache hit.
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) 0/85 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (OVERLAPS) 47/132 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 7/139 variables, 7/29 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/139 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 458/597 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/597 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (OVERLAPS) 12/609 variables, 12/95 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/609 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 9 (OVERLAPS) 221/830 variables, 40/135 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/830 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 11 (OVERLAPS) 9/839 variables, 6/141 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/839 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 13 (OVERLAPS) 56/895 variables, 9/150 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/895 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 15 (OVERLAPS) 3/898 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/898 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 17 (OVERLAPS) 62/960 variables, 9/162 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/960 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 19 (OVERLAPS) 21/981 variables, 4/166 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/981 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 21 (OVERLAPS) 93/1074 variables, 10/176 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1074 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 23 (OVERLAPS) 45/1119 variables, 6/182 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1119 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 25 (OVERLAPS) 68/1187 variables, 23/205 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1187 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 27 (OVERLAPS) 1/1188 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1188 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 29 (OVERLAPS) 1/1189 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1189 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 31 (OVERLAPS) 1980/3169 variables, 1189/1396 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/3169 variables, 0/1396 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 33 (OVERLAPS) 0/3169 variables, 0/1396 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3169/3169 variables, and 1396 constraints, problems are : Problem set: 0 solved, 85 unsolved in 59538 ms.
Refiners :[Positive P Invariants (semi-flows): 61/61 constraints, Generalized P Invariants (flows): 146/146 constraints, State Equation: 1189/1189 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 85 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (OVERLAPS) 47/132 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 7/139 variables, 7/29 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/139 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 458/597 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/597 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (OVERLAPS) 12/609 variables, 12/95 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/609 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 9 (OVERLAPS) 221/830 variables, 40/135 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/830 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 11 (OVERLAPS) 9/839 variables, 6/141 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/839 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 13 (OVERLAPS) 56/895 variables, 9/150 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/895 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 15 (OVERLAPS) 3/898 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/898 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 17 (OVERLAPS) 62/960 variables, 9/162 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/960 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 19 (OVERLAPS) 21/981 variables, 4/166 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/981 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 21 (OVERLAPS) 93/1074 variables, 10/176 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1074 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 23 (OVERLAPS) 45/1119 variables, 6/182 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1119 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 25 (OVERLAPS) 68/1187 variables, 23/205 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1187 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 27 (OVERLAPS) 1/1188 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1188 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 29 (OVERLAPS) 1/1189 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1189 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 31 (OVERLAPS) 1980/3169 variables, 1189/1396 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/3169 variables, 85/1481 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/3169 variables, 0/1481 constraints. Problems are: Problem set: 0 solved, 85 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3169/3169 variables, and 1481 constraints, problems are : Problem set: 0 solved, 85 unsolved in 105030 ms.
Refiners :[Positive P Invariants (semi-flows): 61/61 constraints, Generalized P Invariants (flows): 146/146 constraints, State Equation: 1189/1189 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 164602ms problems are : Problem set: 0 solved, 85 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 85 out of 1189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1189/1189 places, 1980/1980 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1188 transition count 1979
Applied a total of 2 rules in 109 ms. Remains 1188 /1189 variables (removed 1) and now considering 1979/1980 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 110 ms. Remains : 1188/1189 places, 1979/1980 transitions.
RANDOM walk for 4000000 steps (41262 resets) in 50344 ms. (79 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (514 resets) in 1246 ms. (320 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (514 resets) in 1317 ms. (303 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (504 resets) in 1246 ms. (320 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (504 resets) in 1281 ms. (312 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1372 ms. (291 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (501 resets) in 1298 ms. (307 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (510 resets) in 1349 ms. (296 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (519 resets) in 1320 ms. (302 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (511 resets) in 1252 ms. (319 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (506 resets) in 1269 ms. (314 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1271 ms. (314 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (500 resets) in 1256 ms. (318 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (506 resets) in 1243 ms. (321 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (510 resets) in 1288 ms. (310 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1295 ms. (308 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (509 resets) in 1253 ms. (318 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (511 resets) in 1263 ms. (316 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (505 resets) in 1283 ms. (311 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1329 ms. (300 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (512 resets) in 1314 ms. (304 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (512 resets) in 1260 ms. (317 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1379 ms. (289 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (509 resets) in 1310 ms. (305 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1439 ms. (277 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (514 resets) in 1258 ms. (317 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1286 ms. (310 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400002 steps (508 resets) in 1251 ms. (319 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (502 resets) in 1299 ms. (307 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (502 resets) in 1243 ms. (321 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (508 resets) in 1367 ms. (292 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400002 steps (504 resets) in 1504 ms. (265 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1315 ms. (303 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (504 resets) in 1385 ms. (288 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (509 resets) in 1257 ms. (317 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (505 resets) in 1358 ms. (294 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (512 resets) in 1247 ms. (320 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1383 ms. (289 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (510 resets) in 1218 ms. (328 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (509 resets) in 1296 ms. (308 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400002 steps (503 resets) in 1318 ms. (303 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (513 resets) in 1424 ms. (280 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (511 resets) in 1278 ms. (312 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (516 resets) in 1345 ms. (297 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (502 resets) in 1306 ms. (306 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (517 resets) in 1421 ms. (281 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (508 resets) in 1263 ms. (316 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (508 resets) in 1330 ms. (300 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (511 resets) in 1250 ms. (319 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400004 steps (502 resets) in 1402 ms. (285 steps per ms) remains 85/85 properties
BEST_FIRST walk for 400003 steps (506 resets) in 1303 ms. (306 steps per ms) remains 85/85 properties
Interrupted probabilistic random walk after 7121724 steps, run timeout after 102001 ms. (steps per millisecond=69 ) properties seen :0 out of 85
Probabilistic random walk after 7121724 steps, saw 1378959 distinct states, run finished after 102003 ms. (steps per millisecond=69 ) properties seen :0
// Phase 1: matrix 1979 rows 1188 cols
[2026-05-25 06:08:48] [INFO ] Computed 207 invariants in 17 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) 0/85 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (OVERLAPS) 47/132 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 7/139 variables, 7/29 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/139 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 457/596 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/596 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (OVERLAPS) 12/608 variables, 12/95 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/608 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 9 (OVERLAPS) 221/829 variables, 40/135 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/829 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 11 (OVERLAPS) 9/838 variables, 6/141 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/838 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 13 (OVERLAPS) 56/894 variables, 9/150 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/894 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 15 (OVERLAPS) 3/897 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/897 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 17 (OVERLAPS) 62/959 variables, 9/162 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/959 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 19 (OVERLAPS) 21/980 variables, 4/166 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 21 (OVERLAPS) 93/1073 variables, 10/176 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1073 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 23 (OVERLAPS) 44/1117 variables, 6/182 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1117 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 25 (OVERLAPS) 68/1185 variables, 22/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1185 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 27 (OVERLAPS) 1/1186 variables, 1/205 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1186 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 29 (OVERLAPS) 2/1188 variables, 2/207 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1188 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 31 (OVERLAPS) 1979/3167 variables, 1188/1395 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/3167 variables, 0/1395 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 33 (OVERLAPS) 0/3167 variables, 0/1395 constraints. Problems are: Problem set: 0 solved, 85 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3167/3167 variables, and 1395 constraints, problems are : Problem set: 0 solved, 85 unsolved in 47019 ms.
Refiners :[Positive P Invariants (semi-flows): 61/61 constraints, Generalized P Invariants (flows): 146/146 constraints, State Equation: 1188/1188 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 85 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/85 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 1 (OVERLAPS) 47/132 variables, 22/22 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 3 (OVERLAPS) 7/139 variables, 7/29 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/139 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 5 (OVERLAPS) 457/596 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/596 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 7 (OVERLAPS) 12/608 variables, 12/95 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/608 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 9 (OVERLAPS) 221/829 variables, 40/135 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/829 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 11 (OVERLAPS) 9/838 variables, 6/141 constraints. Problems are: Problem set: 0 solved, 85 unsolved
Detected timeout of ITS tools.
At refinement iteration 12 (INCLUDED_ONLY) 0/838 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 13 (OVERLAPS) 56/894 variables, 9/150 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/894 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 15 (OVERLAPS) 3/897 variables, 3/153 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/897 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 17 (OVERLAPS) 62/959 variables, 9/162 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/959 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 19 (OVERLAPS) 21/980 variables, 4/166 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 21 (OVERLAPS) 93/1073 variables, 10/176 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1073 variables, 0/176 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 23 (OVERLAPS) 44/1117 variables, 6/182 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1117 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 25 (OVERLAPS) 68/1185 variables, 22/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1185 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 27 (OVERLAPS) 1/1186 variables, 1/205 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1186 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 29 (OVERLAPS) 2/1188 variables, 2/207 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/1188 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 31 (OVERLAPS) 1979/3167 variables, 1188/1395 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 32 (INCLUDED_ONLY) 0/3167 variables, 85/1480 constraints. Problems are: Problem set: 0 solved, 85 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/3167 variables, 0/1480 constraints. Problems are: Problem set: 0 solved, 85 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3167/3167 variables, and 1480 constraints, problems are : Problem set: 0 solved, 85 unsolved in 120041 ms.
Refiners :[Positive P Invariants (semi-flows): 61/61 constraints, Generalized P Invariants (flows): 146/146 constraints, State Equation: 1188/1188 constraints, PredecessorRefiner: 85/85 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 167117ms problems are : Problem set: 0 solved, 85 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 85 out of 1188 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1188/1188 places, 1979/1979 transitions.
Applied a total of 0 rules in 37 ms. Remains 1188 /1188 variables (removed 0) and now considering 1979/1979 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 1188/1188 places, 1979/1979 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1188/1188 places, 1979/1979 transitions.
Applied a total of 0 rules in 35 ms. Remains 1188 /1188 variables (removed 0) and now considering 1979/1979 (removed 0) transitions.
[2026-05-25 06:11:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:11:37] [INFO ] Implicit Places using invariants in 1597 ms returned [0, 18, 19, 30, 48, 66, 85, 144, 155, 156, 157, 175, 193, 212, 270, 271, 282, 283, 284, 302, 320, 339, 398, 399, 410, 411, 412, 430, 448, 467, 526, 527, 538, 539, 540, 558, 576, 595, 653, 654, 665, 666, 667, 685, 703, 722, 781, 782, 793, 794, 795, 813, 831, 850, 900, 901, 912, 913, 914, 932, 950, 969, 1019, 1020, 1023, 1034, 1035, 1036, 1054, 1056, 1059, 1077, 1078, 1079, 1080, 1092, 1098, 1104, 1110, 1116, 1122, 1128, 1134, 1140, 1146, 1152]
[2026-05-25 06:11:37] [INFO ] Actually due to overlaps returned [1054, 1036, 48, 175, 302, 430, 558, 685, 813, 932, 1059, 30, 157, 284, 412, 540, 667, 795, 914, 156, 283, 411, 539, 666, 794, 913, 1035, 1078, 155, 282, 410, 538, 665, 793, 912, 1034, 1056, 1077, 0, 270, 271, 398, 399, 526, 527, 653, 654, 781, 782, 900, 901, 1019, 1020, 18, 19, 1080, 1122, 1140, 1152, 66, 85, 193, 212, 320, 339, 448, 467, 576, 595, 703, 722, 831, 850, 950, 969, 1023, 1079, 1092, 1098, 1104, 1110, 1116, 1128, 1134, 1146]
Discarding 85 places :
Implicit Place search using SMT only with invariants took 1609 ms to find 85 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1103/1188 places, 1979/1979 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 120 transitions
Trivial Post-agglo rules discarded 120 transitions
Performed 120 trivial Post agglomeration. Transition count delta: 120
Iterating post reduction 0 with 120 rules applied. Total rules applied 120 place count 1103 transition count 1859
Reduce places removed 120 places and 0 transitions.
Iterating post reduction 1 with 120 rules applied. Total rules applied 240 place count 983 transition count 1859
Performed 33 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 33 Pre rules applied. Total rules applied 240 place count 983 transition count 1826
Deduced a syphon composed of 33 places in 3 ms
Ensure Unique test removed 1 places
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 2 with 67 rules applied. Total rules applied 307 place count 949 transition count 1826
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 319 place count 945 transition count 1818
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 327 place count 937 transition count 1818
Discarding 15 places :
Symmetric choice reduction at 4 with 15 rule applications. Total rules 342 place count 922 transition count 1803
Iterating global reduction 4 with 15 rules applied. Total rules applied 357 place count 922 transition count 1803
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 360 place count 922 transition count 1800
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 360 place count 922 transition count 1799
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 362 place count 921 transition count 1799
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 365 place count 918 transition count 1796
Iterating global reduction 5 with 3 rules applied. Total rules applied 368 place count 918 transition count 1796
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 369 place count 917 transition count 1795
Iterating global reduction 5 with 1 rules applied. Total rules applied 370 place count 917 transition count 1795
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 371 place count 916 transition count 1794
Iterating global reduction 5 with 1 rules applied. Total rules applied 372 place count 916 transition count 1794
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 2 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 5 with 148 rules applied. Total rules applied 520 place count 842 transition count 1720
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 5 with 8 rules applied. Total rules applied 528 place count 842 transition count 1712
Free-agglomeration rule (complex) applied 24 times.
Iterating global reduction 6 with 24 rules applied. Total rules applied 552 place count 842 transition count 1688
Ensure Unique test removed 1 places
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 6 with 25 rules applied. Total rules applied 577 place count 817 transition count 1688
Partial Free-agglomeration rule applied 21 times.
Drop transitions (Partial Free agglomeration) removed 21 transitions
Iterating global reduction 7 with 21 rules applied. Total rules applied 598 place count 817 transition count 1688
Applied a total of 598 rules in 248 ms. Remains 817 /1103 variables (removed 286) and now considering 1688/1979 (removed 291) transitions.
// Phase 1: matrix 1688 rows 817 cols
[2026-05-25 06:11:37] [INFO ] Computed 116 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:11:38] [INFO ] Implicit Places using invariants in 809 ms returned [99, 107, 110, 112, 113, 118, 119, 196, 202, 205, 207, 212, 213, 292, 298, 301, 303, 308, 309, 388, 394, 397, 399, 404, 405, 482, 488, 491, 493, 498, 499, 577, 583, 586, 588, 593, 594, 660, 666, 669, 671, 676, 677, 743, 749, 752, 754]
[2026-05-25 06:11:38] [INFO ] Actually due to overlaps returned [118, 212, 308, 404, 498, 593, 676, 213, 309, 405, 499, 594, 677, 119, 99, 107, 112, 113, 196, 202, 207, 298, 303, 394, 399, 482, 488, 493, 583, 588, 660, 666, 671, 743, 749, 754, 292, 388, 577]
Discarding 39 places :
Implicit Place search using SMT only with invariants took 812 ms to find 39 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 778/1188 places, 1688/1979 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 778 transition count 1687
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 777 transition count 1687
Discarding 27 places :
Symmetric choice reduction at 2 with 27 rule applications. Total rules 29 place count 750 transition count 1660
Iterating global reduction 2 with 27 rules applied. Total rules applied 56 place count 750 transition count 1660
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 60 place count 746 transition count 1656
Iterating global reduction 2 with 4 rules applied. Total rules applied 64 place count 746 transition count 1656
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 82 place count 737 transition count 1647
Free-agglomeration rule applied 24 times.
Iterating global reduction 2 with 24 rules applied. Total rules applied 106 place count 737 transition count 1623
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 130 place count 713 transition count 1623
Applied a total of 130 rules in 103 ms. Remains 713 /778 variables (removed 65) and now considering 1623/1688 (removed 65) transitions.
// Phase 1: matrix 1623 rows 713 cols
[2026-05-25 06:11:38] [INFO ] Computed 77 invariants in 30 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:11:39] [INFO ] Implicit Places using invariants in 760 ms returned []
[2026-05-25 06:11:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:11:41] [INFO ] Implicit Places using invariants and state equation in 2003 ms returned []
Implicit Place search using SMT with State Equation took 2781 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 713/1188 places, 1623/1979 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 5602 ms. Remains : 713/1188 places, 1623/1979 transitions.
RANDOM walk for 4000000 steps (67864 resets) in 35237 ms. (113 steps per ms) remains 79/85 properties
BEST_FIRST walk for 400004 steps (1189 resets) in 994 ms. (402 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1180 resets) in 801 ms. (498 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1159 resets) in 860 ms. (464 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1164 resets) in 795 ms. (502 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1183 resets) in 823 ms. (485 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1157 resets) in 782 ms. (510 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1172 resets) in 808 ms. (494 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1167 resets) in 793 ms. (503 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1181 resets) in 781 ms. (511 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1181 resets) in 792 ms. (504 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1172 resets) in 775 ms. (515 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1175 resets) in 798 ms. (500 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1164 resets) in 785 ms. (508 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1162 resets) in 793 ms. (503 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1163 resets) in 806 ms. (495 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1175 resets) in 784 ms. (509 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1180 resets) in 794 ms. (503 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1166 resets) in 793 ms. (503 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1177 resets) in 799 ms. (500 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1159 resets) in 802 ms. (498 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1165 resets) in 782 ms. (510 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1172 resets) in 814 ms. (490 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1188 resets) in 804 ms. (496 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1171 resets) in 826 ms. (483 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1159 resets) in 828 ms. (482 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1166 resets) in 820 ms. (487 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1171 resets) in 802 ms. (498 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1182 resets) in 780 ms. (512 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1179 resets) in 832 ms. (480 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1147 resets) in 821 ms. (486 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1179 resets) in 797 ms. (501 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1166 resets) in 820 ms. (487 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1172 resets) in 799 ms. (500 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1172 resets) in 817 ms. (489 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1148 resets) in 820 ms. (487 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1138 resets) in 852 ms. (468 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1169 resets) in 806 ms. (495 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1173 resets) in 773 ms. (516 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1163 resets) in 799 ms. (500 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1154 resets) in 783 ms. (510 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1178 resets) in 764 ms. (522 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1167 resets) in 794 ms. (503 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1166 resets) in 784 ms. (509 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1174 resets) in 826 ms. (483 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1167 resets) in 800 ms. (499 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1175 resets) in 780 ms. (512 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400004 steps (1175 resets) in 859 ms. (465 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1172 resets) in 765 ms. (522 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400003 steps (1171 resets) in 794 ms. (503 steps per ms) remains 79/79 properties
BEST_FIRST walk for 400002 steps (1173 resets) in 794 ms. (503 steps per ms) remains 79/79 properties
Interrupted probabilistic random walk after 2733788 steps, run timeout after 63001 ms. (steps per millisecond=43 ) properties seen :13 out of 79
Probabilistic random walk after 2733788 steps, saw 1490225 distinct states, run finished after 63001 ms. (steps per millisecond=43 ) properties seen :13
[2026-05-25 06:13:06] [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) 0/66 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (OVERLAPS) 9/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (OVERLAPS) 333/408 variables, 23/35 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/408 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 18/426 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/426 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (OVERLAPS) 204/630 variables, 22/63 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/630 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 10 (OVERLAPS) 34/664 variables, 5/68 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/664 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 12 (OVERLAPS) 49/713 variables, 9/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/713 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 14 (OVERLAPS) 1623/2336 variables, 713/790 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2336 variables, 0/790 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 16 (OVERLAPS) 0/2336 variables, 0/790 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2336/2336 variables, and 790 constraints, problems are : Problem set: 0 solved, 66 unsolved in 13060 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 64/64 constraints, State Equation: 713/713 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 135.0 s and query timeout 13500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (OVERLAPS) 9/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (OVERLAPS) 333/408 variables, 23/35 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/408 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 18/426 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/426 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (OVERLAPS) 204/630 variables, 22/63 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/630 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 10 (OVERLAPS) 34/664 variables, 5/68 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 06:13:26] [INFO ] Deduced a trap composed of 13 places in 70 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/664 variables, 1/69 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/664 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 13 (OVERLAPS) 49/713 variables, 9/78 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/713 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 15 (OVERLAPS) 1623/2336 variables, 713/791 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2336 variables, 66/857 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2336 variables, 0/857 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 18 (OVERLAPS) 0/2336 variables, 0/857 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2336/2336 variables, and 857 constraints, problems are : Problem set: 0 solved, 66 unsolved in 42813 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 64/64 constraints, State Equation: 713/713 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55913ms problems are : Problem set: 0 solved, 66 unsolved
Fused 66 Parikh solutions to 54 different solutions.
Parikh walk visited 1 properties in 30338 ms.
Support contains 65 out of 713 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 713/713 places, 1623/1623 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 713 transition count 1613
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 703 transition count 1613
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 20 place count 703 transition count 1609
Deduced a syphon composed of 4 places in 2 ms
Ensure Unique test removed 2 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 30 place count 697 transition count 1609
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 30 place count 697 transition count 1608
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 32 place count 696 transition count 1608
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 36 place count 692 transition count 1604
Iterating global reduction 2 with 4 rules applied. Total rules applied 40 place count 692 transition count 1604
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 44 place count 688 transition count 1600
Iterating global reduction 2 with 4 rules applied. Total rules applied 48 place count 688 transition count 1600
Applied a total of 48 rules in 75 ms. Remains 688 /713 variables (removed 25) and now considering 1600/1623 (removed 23) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 688/713 places, 1600/1623 transitions.
RANDOM walk for 4000000 steps (68058 resets) in 31656 ms. (126 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1169 resets) in 740 ms. (539 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1180 resets) in 751 ms. (531 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1179 resets) in 723 ms. (552 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1179 resets) in 735 ms. (543 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1156 resets) in 762 ms. (524 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1163 resets) in 726 ms. (550 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1173 resets) in 763 ms. (523 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1179 resets) in 726 ms. (550 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1178 resets) in 760 ms. (525 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1164 resets) in 760 ms. (525 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1182 resets) in 718 ms. (556 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1170 resets) in 741 ms. (539 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1173 resets) in 722 ms. (553 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1167 resets) in 757 ms. (527 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1179 resets) in 722 ms. (553 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1156 resets) in 745 ms. (536 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1163 resets) in 754 ms. (529 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1171 resets) in 737 ms. (542 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1163 resets) in 745 ms. (536 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1171 resets) in 737 ms. (542 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1175 resets) in 742 ms. (538 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1179 resets) in 740 ms. (539 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1175 resets) in 739 ms. (540 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1168 resets) in 763 ms. (523 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1157 resets) in 734 ms. (544 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1168 resets) in 741 ms. (539 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1174 resets) in 740 ms. (539 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1155 resets) in 756 ms. (528 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1171 resets) in 764 ms. (522 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1184 resets) in 749 ms. (533 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1172 resets) in 759 ms. (526 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1169 resets) in 728 ms. (548 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1166 resets) in 752 ms. (531 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1170 resets) in 734 ms. (544 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1169 resets) in 743 ms. (537 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1157 resets) in 793 ms. (503 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1174 resets) in 743 ms. (537 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1162 resets) in 767 ms. (520 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1180 resets) in 772 ms. (517 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1166 resets) in 735 ms. (543 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1169 resets) in 766 ms. (521 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1168 resets) in 776 ms. (514 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1171 resets) in 763 ms. (523 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1164 resets) in 766 ms. (521 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400001 steps (1179 resets) in 731 ms. (546 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1163 resets) in 764 ms. (522 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1165 resets) in 741 ms. (539 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1175 resets) in 738 ms. (541 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1173 resets) in 724 ms. (551 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1187 resets) in 754 ms. (529 steps per ms) remains 65/65 properties
Interrupted probabilistic random walk after 2240209 steps, run timeout after 57001 ms. (steps per millisecond=39 ) properties seen :0 out of 65
Probabilistic random walk after 2240209 steps, saw 1449340 distinct states, run finished after 57001 ms. (steps per millisecond=39 ) properties seen :0
// Phase 1: matrix 1600 rows 688 cols
[2026-05-25 06:15:48] [INFO ] Computed 75 invariants in 12 ms
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (OVERLAPS) 9/74 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/74 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (OVERLAPS) 315/389 variables, 23/35 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/389 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (OVERLAPS) 18/407 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/407 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (OVERLAPS) 198/605 variables, 20/61 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/605 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 10 (OVERLAPS) 48/653 variables, 5/66 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/653 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 12 (OVERLAPS) 35/688 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/688 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 14 (OVERLAPS) 1600/2288 variables, 688/763 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2288 variables, 0/763 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 16 (OVERLAPS) 0/2288 variables, 0/763 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2288/2288 variables, and 763 constraints, problems are : Problem set: 0 solved, 65 unsolved in 9970 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 62/62 constraints, State Equation: 688/688 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 150.0 s and query timeout 15000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (OVERLAPS) 9/74 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/74 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (OVERLAPS) 315/389 variables, 23/35 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/389 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (OVERLAPS) 18/407 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/407 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (OVERLAPS) 198/605 variables, 20/61 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/605 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 10 (OVERLAPS) 48/653 variables, 5/66 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/653 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 12 (OVERLAPS) 35/688 variables, 9/75 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/688 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 14 (OVERLAPS) 1600/2288 variables, 688/763 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2288 variables, 65/828 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2288 variables, 0/828 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 17 (OVERLAPS) 0/2288 variables, 0/828 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2288/2288 variables, and 828 constraints, problems are : Problem set: 0 solved, 65 unsolved in 40507 ms.
Refiners :[Positive P Invariants (semi-flows): 13/13 constraints, Generalized P Invariants (flows): 62/62 constraints, State Equation: 688/688 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 50514ms problems are : Problem set: 0 solved, 65 unsolved
Fused 65 Parikh solutions to 51 different solutions.
Parikh walk visited 0 properties in 30476 ms.
Support contains 65 out of 688 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 688/688 places, 1600/1600 transitions.
Applied a total of 0 rules in 21 ms. Remains 688 /688 variables (removed 0) and now considering 1600/1600 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 688/688 places, 1600/1600 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 688/688 places, 1600/1600 transitions.
Applied a total of 0 rules in 21 ms. Remains 688 /688 variables (removed 0) and now considering 1600/1600 (removed 0) transitions.
[2026-05-25 06:17:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:17:10] [INFO ] Implicit Places using invariants in 602 ms returned []
[2026-05-25 06:17:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:17:12] [INFO ] Implicit Places using invariants and state equation in 1553 ms returned []
Implicit Place search using SMT with State Equation took 2160 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:17:12] [INFO ] Redundant transitions in 120 ms returned []
Running 1562 sub problems to find dead transitions.
[2026-05-25 06:17:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/687 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1562 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/687 variables, 61/71 constraints. Problems are: Problem set: 0 solved, 1562 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 687/2288 variables, and 71 constraints, problems are : Problem set: 0 solved, 1562 unsolved in 30075 ms.
Refiners :[Positive P Invariants (semi-flows): 10/13 constraints, Generalized P Invariants (flows): 61/62 constraints, State Equation: 0/688 constraints, PredecessorRefiner: 1562/1562 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1562 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/687 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1562 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/687 variables, 61/71 constraints. Problems are: Problem set: 0 solved, 1562 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 687/2288 variables, and 71 constraints, problems are : Problem set: 0 solved, 1562 unsolved in 30069 ms.
Refiners :[Positive P Invariants (semi-flows): 10/13 constraints, Generalized P Invariants (flows): 61/62 constraints, State Equation: 0/688 constraints, PredecessorRefiner: 0/1562 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61208ms problems are : Problem set: 0 solved, 1562 unsolved
Search for dead transitions found 0 dead transitions in 61217ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63533 ms. Remains : 688/688 places, 1600/1600 transitions.
RANDOM walk for 400000 steps (6745 resets) in 4701 ms. (85 steps per ms) remains 65/65 properties
Running SMT prover for 65 properties.
[2026-05-25 06:18:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:18:14] [INFO ] [Real]Absence check using 13 positive place invariants in 3 ms returned sat
[2026-05-25 06:18:14] [INFO ] [Real]Absence check using 13 positive and 62 generalized place invariants in 37 ms returned sat
[2026-05-25 06:18:15] [INFO ] After 605ms SMT Verify possible using state equation in real domain returned unsat :0 sat :65
TRAPS : Iteration 0
[2026-05-25 06:18:24] [INFO ] After 9089ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :13 real:52
[2026-05-25 06:18:24] [INFO ] After 9365ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :13 real:52
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 06:18:24] [INFO ] [Nat]Absence check using 13 positive place invariants in 5 ms returned sat
[2026-05-25 06:18:24] [INFO ] [Nat]Absence check using 13 positive and 62 generalized place invariants in 40 ms returned sat
[2026-05-25 06:18:25] [INFO ] After 628ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :65
TRAPS : Iteration 0
[2026-05-25 06:18:33] [INFO ] After 9501ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :65
[2026-05-25 06:18:34] [INFO ] After 9989ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :65
RANDOM walk for 4000000 steps (67927 resets) in 32569 ms. (122 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400000 steps (1173 resets) in 749 ms. (533 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1172 resets) in 744 ms. (536 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1168 resets) in 738 ms. (541 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1164 resets) in 748 ms. (534 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1171 resets) in 739 ms. (540 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1197 resets) in 724 ms. (551 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1168 resets) in 726 ms. (550 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1164 resets) in 779 ms. (512 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1176 resets) in 740 ms. (539 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1176 resets) in 770 ms. (518 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1159 resets) in 749 ms. (533 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1172 resets) in 749 ms. (533 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1156 resets) in 733 ms. (544 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1170 resets) in 764 ms. (522 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1182 resets) in 761 ms. (524 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1168 resets) in 740 ms. (539 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1178 resets) in 776 ms. (514 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1180 resets) in 752 ms. (531 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1169 resets) in 747 ms. (534 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1174 resets) in 728 ms. (548 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1159 resets) in 821 ms. (486 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1191 resets) in 765 ms. (522 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1181 resets) in 765 ms. (522 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1170 resets) in 755 ms. (529 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1161 resets) in 733 ms. (544 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1172 resets) in 745 ms. (536 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1181 resets) in 722 ms. (553 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1181 resets) in 736 ms. (542 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1158 resets) in 746 ms. (535 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1173 resets) in 750 ms. (532 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1153 resets) in 732 ms. (545 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1179 resets) in 756 ms. (528 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1183 resets) in 718 ms. (556 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1163 resets) in 804 ms. (496 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1192 resets) in 709 ms. (563 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1192 resets) in 731 ms. (546 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1184 resets) in 718 ms. (556 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1165 resets) in 749 ms. (533 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1171 resets) in 743 ms. (537 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1172 resets) in 753 ms. (530 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1181 resets) in 736 ms. (542 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1168 resets) in 744 ms. (536 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1170 resets) in 885 ms. (451 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1170 resets) in 727 ms. (549 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400003 steps (1159 resets) in 735 ms. (543 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1176 resets) in 721 ms. (554 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1166 resets) in 763 ms. (523 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1157 resets) in 718 ms. (556 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400004 steps (1164 resets) in 761 ms. (524 steps per ms) remains 65/65 properties
BEST_FIRST walk for 400002 steps (1183 resets) in 736 ms. (542 steps per ms) remains 65/65 properties
Interrupted probabilistic random walk after 2308267 steps, run timeout after 57001 ms. (steps per millisecond=40 ) properties seen :0 out of 65
Probabilistic random walk after 2308267 steps, saw 1483349 distinct states, run finished after 57001 ms. (steps per millisecond=40 ) properties seen :0
[2026-05-25 06:19:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 165.0 s and query timeout 16500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (OVERLAPS) 9/74 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/74 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (OVERLAPS) 315/389 variables, 23/35 constraints. Problems are: Problem set: 0 solved, 65 unsolved

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ 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-08a"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is ASLink-PT-08a, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r016-oct2-177944372800248"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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