Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r080-tall-177946972400153.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CloudReconfiguration-PT-318, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r080-tall-177946972400153
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.9K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 08:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 08:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Mar 6 08:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 08:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 96K Mar 6 08:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:26 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 661K 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 1779558858698

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudReconfiguration-PT-318
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-23 17:54:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 17:54:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 17:54:20] [INFO ] Load time of PNML (sax parser for PT used): 145 ms
[2026-05-23 17:54:20] [INFO ] Transformed 2587 places.
[2026-05-23 17:54:20] [INFO ] Transformed 3099 transitions.
[2026-05-23 17:54:20] [INFO ] Found NUPN structural information;
[2026-05-23 17:54:20] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 249 ms.
Graph (trivial) has 2956 edges and 2587 vertex of which 882 / 2587 are part of one of the 63 SCC in 20 ms
Free SCC test removed 819 places
Structural test allowed to assert that 867 places are NOT stable. Took 51 ms.
Ensure Unique test removed 936 transitions
Reduce redundant transitions removed 936 transitions.
[2026-05-23 17:54:21] [INFO ] Flatten gal took : 314 ms
[2026-05-23 17:54:21] [INFO ] Flatten gal took : 201 ms
[2026-05-23 17:54:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14435650046716554052.gal : 89 ms
[2026-05-23 17:54:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15659694720210861634.prop : 18 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/ReachabilityCardinality14435650046716554052.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15659694720210861634.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15659694720210861634.prop.
RANDOM walk for 40000 steps (718 resets) in 6186 ms. (6 steps per ms) remains 1331/1720 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 37 ms. (3 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 26 ms. (4 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 58 ms. (2 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 74 ms. (1 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 17 ms. (6 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 23 ms. (5 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 20 ms. (5 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 19 ms. (6 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 20 ms. (5 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 17 ms. (6 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 56 ms. (2 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 1331/1331 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1331/1331 properties
[2026-05-23 17:54:22] [INFO ] Flow matrix only has 2101 transitions (discarded 62 similar events)
// Phase 1: matrix 2101 rows 1768 cols
[2026-05-23 17:54:22] [INFO ] Computed 4 invariants in 45 ms
[2026-05-23 17:54:22] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1720 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1720 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,1720 properties remain. new max is 16
SDD size :5 after 6
At refinement iteration 0 (INCLUDED_ONLY) 0/1331 variables, 1331/1331 constraints. Problems are: Problem set: 0 solved, 1331 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1331/3869 variables, and 1331 constraints, problems are : Problem set: 0 solved, 1331 unsolved in 5101 ms.
Refiners :[Domain max(s): 1331/1768 constraints, Generalized P Invariants (flows): 0/4 constraints, State Equation: 0/1768 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1331/1331 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1331 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1720 properties remain. new max is 32
SDD size :6 after 7
At refinement iteration 0 (INCLUDED_ONLY) 0/1331 variables, 1331/1331 constraints. Problems are: Problem set: 0 solved, 1331 unsolved
SDD proceeding with computation,1720 properties remain. new max is 64
SDD size :7 after 8
SDD proceeding with computation,1720 properties remain. new max is 128
SDD size :8 after 9
SDD proceeding with computation,1720 properties remain. new max is 256
SDD size :9 after 10
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1331/3869 variables, and 1331 constraints, problems are : Problem set: 0 solved, 1331 unsolved in 5025 ms.
Refiners :[Domain max(s): 1331/1768 constraints, Generalized P Invariants (flows): 0/4 constraints, State Equation: 0/1768 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1331 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10664ms problems are : Problem set: 0 solved, 1331 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1331 out of 1768 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1768/1768 places, 2163/2163 transitions.
Graph (complete) has 2385 edges and 1768 vertex of which 1754 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.5 ms
Discarding 14 places :
Also discarding 10 output transitions
Drop transitions (Output transitions of discarded places.) removed 10 transitions
Drop transitions (Empty/Sink Transition effects.) removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 271 transitions
Trivial Post-agglo rules discarded 271 transitions
Performed 271 trivial Post agglomeration. Transition count delta: 271
Iterating post reduction 0 with 343 rules applied. Total rules applied 344 place count 1754 transition count 1810
Reduce places removed 271 places and 0 transitions.
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 1 with 302 rules applied. Total rules applied 646 place count 1483 transition count 1779
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 661 place count 1469 transition count 1778
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 661 place count 1469 transition count 1766
Deduced a syphon composed of 12 places in 3 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 685 place count 1457 transition count 1766
Discarding 17 places :
Symmetric choice reduction at 3 with 17 rule applications. Total rules 702 place count 1440 transition count 1749
Iterating global reduction 3 with 17 rules applied. Total rules applied 719 place count 1440 transition count 1749
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 719 place count 1440 transition count 1748
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 721 place count 1439 transition count 1748
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 724 place count 1436 transition count 1745
Iterating global reduction 3 with 3 rules applied. Total rules applied 727 place count 1436 transition count 1745
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 730 place count 1433 transition count 1742
Iterating global reduction 3 with 3 rules applied. Total rules applied 733 place count 1433 transition count 1742
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 736 place count 1433 transition count 1739
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: 27
Deduced a syphon composed of 27 places in 4 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 4 with 54 rules applied. Total rules applied 790 place count 1406 transition count 1712
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 792 place count 1406 transition count 1710
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 6 places in 5 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 804 place count 1400 transition count 1746
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 813 place count 1400 transition count 1737
Free-agglomeration rule applied 24 times.
Iterating global reduction 5 with 24 rules applied. Total rules applied 837 place count 1400 transition count 1713
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 27 rules applied. Total rules applied 864 place count 1376 transition count 1710
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 870 place count 1376 transition count 1704
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 871 place count 1376 transition count 1704
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 872 place count 1375 transition count 1703
Applied a total of 872 rules in 525 ms. Remains 1375 /1768 variables (removed 393) and now considering 1703/2163 (removed 460) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 550 ms. Remains : 1375/1768 places, 1703/2163 transitions.
SDD proceeding with computation,1720 properties remain. new max is 512
SDD size :10 after 16
SDD proceeding with computation,1720 properties remain. new max is 1024
SDD size :16 after 21
Invariant property smplace_1760 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_777 does not hold.
Invariant property smplace_534 does not hold.
Invariant property smplace_525 does not hold.
Invariant property smplace_451 does not hold.
Invariant property smplace_444 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_15 does not hold.
SDD proceeding with computation,1701 properties remain. new max is 1024
SDD size :21 after 1994
Invariant property smplace_776 does not hold.
Invariant property smplace_775 does not hold.
Invariant property smplace_774 does not hold.
Invariant property smplace_773 does not hold.
Invariant property smplace_641 does not hold.
Invariant property smplace_640 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_600 does not hold.
Invariant property smplace_599 does not hold.
Invariant property smplace_598 does not hold.
Invariant property smplace_597 does not hold.
Invariant property smplace_596 does not hold.
Invariant property smplace_595 does not hold.
Invariant property smplace_594 does not hold.
Invariant property smplace_593 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_565 does not hold.
Invariant property smplace_550 does not hold.
Invariant property smplace_533 does not hold.
Invariant property smplace_532 does not hold.
Invariant property smplace_524 does not hold.
Invariant property smplace_523 does not hold.
Invariant property smplace_522 does not hold.
Invariant property smplace_521 does not hold.
Invariant property smplace_520 does not hold.
Invariant property smplace_519 does not hold.
Invariant property smplace_518 does not hold.
Invariant property smplace_517 does not hold.
Invariant property smplace_516 does not hold.
Invariant property smplace_515 does not hold.
Invariant property smplace_514 does not hold.
Invariant property smplace_513 does not hold.
Invariant property smplace_512 does not hold.
Invariant property smplace_511 does not hold.
Invariant property smplace_510 does not hold.
Invariant property smplace_509 does not hold.
Invariant property smplace_508 does not hold.
Invariant property smplace_507 does not hold.
Invariant property smplace_506 does not hold.
Invariant property smplace_505 does not hold.
Invariant property smplace_504 does not hold.
Invariant property smplace_503 does not hold.
Invariant property smplace_502 does not hold.
Invariant property smplace_501 does not hold.
Invariant property smplace_500 does not hold.
Invariant property smplace_499 does not hold.
Invariant property smplace_498 does not hold.
Invariant property smplace_497 does not hold.
Invariant property smplace_496 does not hold.
Invariant property smplace_495 does not hold.
Invariant property smplace_491 does not hold.
Invariant property smplace_490 does not hold.
Invariant property smplace_489 does not hold.
Invariant property smplace_488 does not hold.
Invariant property smplace_487 does not hold.
Invariant property smplace_486 does not hold.
Invariant property smplace_485 does not hold.
Invariant property smplace_484 does not hold.
Invariant property smplace_483 does not hold.
Invariant property smplace_482 does not hold.
Invariant property smplace_481 does not hold.
Invariant property smplace_480 does not hold.
Invariant property smplace_479 does not hold.
Invariant property smplace_478 does not hold.
Invariant property smplace_458 does not hold.
Invariant property smplace_457 does not hold.
Invariant property smplace_456 does not hold.
Invariant property smplace_455 does not hold.
Invariant property smplace_454 does not hold.
Invariant property smplace_453 does not hold.
Invariant property smplace_452 does not hold.
Invariant property smplace_450 does not hold.
Invariant property smplace_449 does not hold.
Invariant property smplace_448 does not hold.
Invariant property smplace_447 does not hold.
Invariant property smplace_446 does not hold.
Invariant property smplace_445 does not hold.
Invariant property smplace_443 does not hold.
Invariant property smplace_442 does not hold.
Invariant property smplace_441 does not hold.
Invariant property smplace_440 does not hold.
Invariant property smplace_439 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.
Invariant property smplace_424 does not hold.
Invariant property smplace_423 does not hold.
Invariant property smplace_422 does not hold.
Invariant property smplace_421 does not hold.
Invariant property smplace_420 does not hold.
Invariant property smplace_419 does not hold.
Invariant property smplace_418 does not hold.
Invariant property smplace_417 does not hold.
Invariant property smplace_413 does not hold.
Invariant property smplace_412 does not hold.
Invariant property smplace_411 does not hold.
Invariant property smplace_410 does not hold.
Invariant property smplace_409 does not hold.
Invariant property smplace_408 does not hold.
Invariant property smplace_407 does not hold.
Invariant property smplace_406 does not hold.
Invariant property smplace_405 does not hold.
Invariant property smplace_404 does not hold.
Invariant property smplace_403 does not hold.
Invariant property smplace_383 does not hold.
Invariant property smplace_382 does not hold.
Invariant property smplace_381 does not hold.
Invariant property smplace_380 does not hold.
Invariant property smplace_379 does not hold.
Invariant property smplace_378 does not hold.
SDD proceeding with computation,1575 properties remain. new max is 1024
SDD size :1994 after 3117
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_755 does not hold.
Invariant property smplace_743 does not hold.
Invariant property smplace_742 does not hold.
Invariant property smplace_741 does not hold.
Invariant property smplace_740 does not hold.
Invariant property smplace_739 does not hold.
Invariant property smplace_738 does not hold.
Invariant property smplace_737 does not hold.
Invariant property smplace_736 does not hold.
Invariant property smplace_735 does not hold.
Invariant property smplace_734 does not hold.
Invariant property smplace_733 does not hold.
Invariant property smplace_728 does not hold.
Invariant property smplace_716 does not hold.
Invariant property smplace_715 does not hold.
Invariant property smplace_714 does not hold.
Invariant property smplace_713 does not hold.
Invariant property smplace_712 does not hold.
Invariant property smplace_711 does not hold.
Invariant property smplace_710 does not hold.
Invariant property smplace_709 does not hold.
Invariant property smplace_708 does not hold.
Invariant property smplace_707 does not hold.
Invariant property smplace_706 does not hold.
Invariant property smplace_705 does not hold.
Invariant property smplace_704 does not hold.
Invariant property smplace_703 does not hold.
Invariant property smplace_702 does not hold.
Invariant property smplace_698 does not hold.
Invariant property smplace_695 does not hold.
Invariant property smplace_694 does not hold.
Invariant property smplace_693 does not hold.
Invariant property smplace_692 does not hold.
Invariant property smplace_691 does not hold.
Invariant property smplace_690 does not hold.
Invariant property smplace_687 does not hold.
Invariant property smplace_686 does not hold.
Invariant property smplace_685 does not hold.
Invariant property smplace_684 does not hold.
Invariant property smplace_683 does not hold.
Invariant property smplace_682 does not hold.
Invariant property smplace_681 does not hold.
Invariant property smplace_680 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_672 does not hold.
Invariant property smplace_671 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_660 does not hold.
Invariant property smplace_659 does not hold.
Invariant property smplace_658 does not hold.
Invariant property smplace_657 does not hold.
Invariant property smplace_656 does not hold.
Invariant property smplace_655 does not hold.
Invariant property smplace_654 does not hold.
Invariant property smplace_653 does not hold.
Invariant property smplace_652 does not hold.
Invariant property smplace_651 does not hold.
Invariant property smplace_650 does not hold.
Invariant property smplace_649 does not hold.
Invariant property smplace_646 does not hold.
Invariant property smplace_645 does not hold.
Invariant property smplace_644 does not hold.
Invariant property smplace_643 does not hold.
Invariant property smplace_642 does not hold.
Invariant property smplace_639 does not hold.
Invariant property smplace_638 does not hold.
Invariant property smplace_637 does not hold.
Invariant property smplace_636 does not hold.
Invariant property smplace_635 does not hold.
Invariant property smplace_634 does not hold.
Invariant property smplace_633 does not hold.
Invariant property smplace_632 does not hold.
Invariant property smplace_631 does not hold.
Invariant property smplace_628 does not hold.
Invariant property smplace_627 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.
Invariant property smplace_618 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_583 does not hold.
Invariant property smplace_582 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_578 does not hold.
Invariant property smplace_577 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_566 does not hold.
Invariant property smplace_564 does not hold.
Invariant property smplace_563 does not hold.
Invariant property smplace_560 does not hold.
Invariant property smplace_559 does not hold.
Invariant property smplace_558 does not hold.
Invariant property smplace_557 does not hold.
Invariant property smplace_556 does not hold.
Invariant property smplace_555 does not hold.
Invariant property smplace_552 does not hold.
Invariant property smplace_551 does not hold.
Invariant property smplace_549 does not hold.
Invariant property smplace_548 does not hold.
Invariant property smplace_547 does not hold.
Invariant property smplace_544 does not hold.
Invariant property smplace_543 does not hold.
Invariant property smplace_542 does not hold.
Invariant property smplace_541 does not hold.
Invariant property smplace_540 does not hold.
Invariant property smplace_539 does not hold.
Invariant property smplace_538 does not hold.
Invariant property smplace_537 does not hold.
Invariant property smplace_536 does not hold.
Invariant property smplace_535 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_526 does not hold.
Invariant property smplace_494 does not hold.
Invariant property smplace_477 does not hold.
Invariant property smplace_416 does not hold.
Invariant property smplace_415 does not hold.
Invariant property smplace_402 does not hold.
Invariant property smplace_377 does not hold.
Invariant property smplace_313 does not hold.
SDD proceeding with computation,1431 properties remain. new max is 1024
SDD size :3117 after 4711
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_762 does not hold.
Invariant property smplace_761 does not hold.
Invariant property smplace_760 does not hold.
Invariant property smplace_759 does not hold.
Invariant property smplace_758 does not hold.
Invariant property smplace_757 does not hold.
Invariant property smplace_754 does not hold.
Invariant property smplace_753 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_732 does not hold.
Invariant property smplace_731 does not hold.
Invariant property smplace_727 does not hold.
Invariant property smplace_726 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_721 does not hold.
Invariant property smplace_720 does not hold.
Invariant property smplace_719 does not hold.
Invariant property smplace_718 does not hold.
Invariant property smplace_701 does not hold.
Invariant property smplace_700 does not hold.
Invariant property smplace_697 does not hold.
Invariant property smplace_689 does not hold.
Invariant property smplace_675 does not hold.
Invariant property smplace_670 does not hold.
Invariant property smplace_662 does not hold.
Invariant property smplace_648 does not hold.
Invariant property smplace_630 does not hold.
Invariant property smplace_617 does not hold.
Invariant property smplace_586 does not hold.
Invariant property smplace_576 does not hold.
Invariant property smplace_568 does not hold.
Invariant property smplace_562 does not hold.
Invariant property smplace_554 does not hold.
Invariant property smplace_546 does not hold.
Invariant property smplace_528 does not hold.
Invariant property smplace_493 does not hold.
Invariant property smplace_476 does not hold.
Invariant property smplace_324 does not hold.
Invariant property smplace_323 does not hold.
Invariant property smplace_322 does not hold.
Invariant property smplace_321 does not hold.
Invariant property smplace_318 does not hold.
Invariant property smplace_317 does not hold.
Invariant property smplace_316 does not hold.
Invariant property smplace_312 does not hold.
Invariant property smplace_311 does not hold.
Invariant property smplace_308 does not hold.
Invariant property smplace_119 does not hold.
Invariant property smplace_118 does not hold.
Invariant property smplace_117 does not hold.
Invariant property smplace_116 does not hold.
Invariant property smplace_115 does not hold.
Invariant property smplace_114 does not hold.
Invariant property smplace_113 does not hold.
Invariant property smplace_112 does not hold.
Invariant property smplace_111 does not hold.
Invariant property smplace_110 does not hold.
Invariant property smplace_109 does not hold.
Invariant property smplace_108 does not hold.
Invariant property smplace_107 does not hold.
Invariant property smplace_106 does not hold.
Invariant property smplace_105 does not hold.
Invariant property smplace_104 does not hold.
Invariant property smplace_103 does not hold.
Invariant property smplace_102 does not hold.
Invariant property smplace_101 does not hold.
Invariant property smplace_100 does not hold.
Invariant property smplace_99 does not hold.
Invariant property smplace_98 does not hold.
Invariant property smplace_97 does not hold.
Invariant property smplace_96 does not hold.
Invariant property smplace_95 does not hold.
Invariant property smplace_94 does not hold.
Invariant property smplace_93 does not hold.
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_72 does not hold.
Invariant property smplace_71 does not hold.
Invariant property smplace_70 does not hold.
Invariant property smplace_69 does not hold.
Invariant property smplace_68 does not hold.
Invariant property smplace_67 does not hold.
Invariant property smplace_66 does not hold.
Invariant property smplace_65 does not hold.
Invariant property smplace_64 does not hold.
Invariant property smplace_63 does not hold.
Invariant property smplace_62 does not hold.
Invariant property smplace_61 does not hold.
Invariant property smplace_60 does not hold.
Invariant property smplace_59 does not hold.
Invariant property smplace_58 does not hold.
Invariant property smplace_57 does not hold.
Invariant property smplace_56 does not hold.
Invariant property smplace_55 does not hold.
Invariant property smplace_54 does not hold.
Invariant property smplace_53 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.
Invariant property smplace_35 does not hold.
Invariant property smplace_34 does not hold.
Invariant property smplace_33 does not hold.
SDD proceeding with computation,1284 properties remain. new max is 1024
SDD size :4711 after 6143
Invariant property smplace_32 does not hold.
SDD proceeding with computation,1283 properties remain. new max is 1024
SDD size :6143 after 6247
Invariant property smplace_756 does not hold.
Invariant property smplace_752 does not hold.
Invariant property smplace_744 does not hold.
Invariant property smplace_730 does not hold.
Invariant property smplace_725 does not hold.
Invariant property smplace_717 does not hold.
Invariant property smplace_699 does not hold.
Invariant property smplace_696 does not hold.
Invariant property smplace_688 does not hold.
Invariant property smplace_674 does not hold.
Invariant property smplace_669 does not hold.
Invariant property smplace_661 does not hold.
Invariant property smplace_647 does not hold.
Invariant property smplace_629 does not hold.
Invariant property smplace_616 does not hold.
Invariant property smplace_585 does not hold.
Invariant property smplace_575 does not hold.
Invariant property smplace_567 does not hold.
Invariant property smplace_561 does not hold.
Invariant property smplace_553 does not hold.
Invariant property smplace_545 does not hold.
Invariant property smplace_527 does not hold.
Invariant property smplace_492 does not hold.
Invariant property smplace_475 does not hold.
Invariant property smplace_414 does not hold.
Invariant property smplace_401 does not hold.
Invariant property smplace_400 does not hold.
Invariant property smplace_399 does not hold.
Invariant property smplace_398 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_391 does not hold.
Invariant property smplace_390 does not hold.
Invariant property smplace_389 does not hold.
Invariant property smplace_388 does not hold.
Invariant property smplace_387 does not hold.
Invariant property smplace_386 does not hold.
SDD proceeding with computation,1242 properties remain. new max is 1024
SDD size :6247 after 8704
Invariant property smplace_729 does not hold.
Invariant property smplace_673 does not hold.
Invariant property smplace_615 does not hold.
Invariant property smplace_614 does not hold.
Invariant property smplace_613 does not hold.
Invariant property smplace_612 does not hold.
Invariant property smplace_611 does not hold.
Invariant property smplace_610 does not hold.
Invariant property smplace_609 does not hold.
Invariant property smplace_608 does not hold.
Invariant property smplace_607 does not hold.
Invariant property smplace_606 does not hold.
Invariant property smplace_605 does not hold.
Invariant property smplace_602 does not hold.
Invariant property smplace_601 does not hold.
Invariant property smplace_584 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.
Invariant property smplace_468 does not hold.
Invariant property smplace_467 does not hold.
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.
Invariant property smplace_461 does not hold.
Invariant property smplace_460 does not hold.
Invariant property smplace_385 does not hold.
SDD proceeding with computation,1210 properties remain. new max is 1024
SDD size :8704 after 8750
SDD proceeding with computation,1210 properties remain. new max is 2048
SDD size :8750 after 18826
Invariant property smplace_604 does not hold.
Invariant property smplace_603 does not hold.
Invariant property smplace_459 does not hold.
Invariant property smplace_384 does not hold.
RANDOM walk for 4000000 steps (12393 resets) in 91346 ms. (43 steps per ms) remains 20/1331 properties
Invariant property smplace_320 does not hold.
Invariant property smplace_319 does not hold.
Invariant property smplace_315 does not hold.
Invariant property smplace_314 does not hold.
Invariant property smplace_310 does not hold.
Invariant property smplace_309 does not hold.
BEST_FIRST walk for 400001 steps (330 resets) in 1290 ms. (309 steps per ms) remains 16/20 properties
SDD proceeding with computation,1200 properties remain. new max is 2048
SDD size :18826 after 24099
Invariant property smplace_1759 does not hold.
Invariant property smplace_1758 does not hold.
Invariant property smplace_1751 does not hold.
BEST_FIRST walk for 400004 steps (341 resets) in 999 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (355 resets) in 750 ms. (532 steps per ms) remains 14/16 properties
Invariant property smplace_376 does not hold.
Invariant property smplace_375 does not hold.
Invariant property smplace_374 does not hold.
Invariant property smplace_373 does not hold.
Invariant property smplace_372 does not hold.
Invariant property smplace_371 does not hold.
Invariant property smplace_370 does not hold.
BEST_FIRST walk for 400002 steps (346 resets) in 1289 ms. (310 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400004 steps (362 resets) in 896 ms. (445 steps per ms) remains 14/14 properties
SDD proceeding with computation,1190 properties remain. new max is 2048
SDD size :24099 after 127759
BEST_FIRST walk for 400003 steps (352 resets) in 765 ms. (522 steps per ms) remains 14/14 properties
Invariant property smplace_369 does not hold.
Invariant property smplace_368 does not hold.
Invariant property smplace_365 does not hold.
Invariant property smplace_364 does not hold.
Invariant property smplace_363 does not hold.
BEST_FIRST walk for 400002 steps (355 resets) in 885 ms. (451 steps per ms) remains 14/14 properties
Invariant property smplace_342 does not hold.
Invariant property smplace_341 does not hold.
Invariant property smplace_327 does not hold.
Invariant property smplace_326 does not hold.
Invariant property smplace_325 does not hold.
BEST_FIRST walk for 400001 steps (323 resets) in 777 ms. (514 steps per ms) remains 14/14 properties
SDD proceeding with computation,1180 properties remain. new max is 2048
SDD size :127759 after 131481
BEST_FIRST walk for 400002 steps (335 resets) in 674 ms. (592 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (332 resets) in 862 ms. (463 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400001 steps (345 resets) in 842 ms. (474 steps per ms) remains 14/14 properties
Invariant property smplace_367 does not hold.
Invariant property smplace_366 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_352 does not hold.
Invariant property smplace_351 does not hold.
Invariant property smplace_350 does not hold.
Invariant property smplace_349 does not hold.
Invariant property smplace_348 does not hold.
Invariant property smplace_347 does not hold.
Invariant property smplace_346 does not hold.
Invariant property smplace_345 does not hold.
Invariant property smplace_344 does not hold.
Invariant property smplace_340 does not hold.
Invariant property smplace_339 does not hold.
Invariant property smplace_338 does not hold.
Invariant property smplace_337 does not hold.
Invariant property smplace_336 does not hold.
Invariant property smplace_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_331 does not hold.
Invariant property smplace_328 does not hold.
BEST_FIRST walk for 400004 steps (341 resets) in 722 ms. (553 steps per ms) remains 14/14 properties
BEST_FIRST walk for 400003 steps (354 resets) in 847 ms. (471 steps per ms) remains 2/14 properties
[2026-05-23 17:55:05] [INFO ] Flow matrix only has 1699 transitions (discarded 4 similar events)
// Phase 1: matrix 1699 rows 1375 cols
[2026-05-23 17:55:05] [INFO ] Computed 4 invariants in 13 ms
[2026-05-23 17:55:05] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 436/438 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/438 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,1148 properties remain. new max is 2048
SDD size :131481 after 136401
At refinement iteration 3 (OVERLAPS) 549/987 variables, 438/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/987 variables, 0/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 137/1124 variables, 7/446 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1124 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 110/1234 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1234 variables, 0/447 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 480/1714 variables, 262/709 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1714 variables, 2/711 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1714 variables, 0/711 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 667/2381 variables, 2/713 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2381 variables, 1/714 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2381 variables, 0/714 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 693/3074 variables, 667/1381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/3074 variables, 0/1381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/3074 variables, 0/1381 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3074/3074 variables, and 1381 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1021 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 1375/1375 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 436/438 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/438 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,1148 properties remain. new max is 4096
SDD size :136401 after 148740
At refinement iteration 3 (OVERLAPS) 549/987 variables, 438/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/987 variables, 0/439 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 137/1124 variables, 7/446 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1124 variables, 2/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Invariant property smplace_1757 does not hold.
Invariant property smplace_1756 does not hold.
At refinement iteration 7 (INCLUDED_ONLY) 0/1124 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Invariant property smplace_1269 does not hold.
Invariant property smplace_1268 does not hold.
Invariant property smplace_1267 does not hold.
Invariant property smplace_1266 does not hold.
At refinement iteration 8 (OVERLAPS) 110/1234 variables, 1/449 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Invariant property smplace_1265 does not hold.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property smplace_805 does not hold.
Invariant property smplace_804 does not hold.
Invariant property smplace_803 does not hold.
Invariant property smplace_800 does not hold.
Invariant property smplace_799 does not hold.
Invariant property smplace_798 does not hold.
Invariant property smplace_795 does not hold.
Invariant property smplace_794 does not hold.
Invariant property smplace_793 does not hold.
Invariant property smplace_343 does not hold.
Invariant property smplace_330 does not hold.
Invariant property smplace_329 does not hold.
[2026-05-23 17:55:08] [INFO ] Deduced a trap composed of 189 places in 474 ms of which 66 ms to minimize.
Invariant property smplace_207 does not hold.
Invariant property smplace_206 does not hold.
Invariant property smplace_205 does not hold.
Invariant property smplace_204 does not hold.
At refinement iteration 9 (INCLUDED_ONLY) 0/1234 variables, 1/450 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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_193 does not hold.
Invariant property smplace_192 does not hold.
Invariant property smplace_191 does not hold.
Invariant property smplace_190 does not hold.
Invariant property smplace_189 does not hold.
Invariant property smplace_188 does not hold.
Invariant property smplace_187 does not hold.
Invariant property smplace_186 does not hold.
Invariant property smplace_185 does not hold.
Invariant property smplace_184 does not hold.
Invariant property smplace_183 does not hold.
Invariant property smplace_182 does not hold.
Invariant property smplace_181 does not hold.
Invariant property smplace_180 does not hold.
Invariant property smplace_179 does not hold.
Invariant property smplace_178 does not hold.
At refinement iteration 10 (INCLUDED_ONLY) 0/1234 variables, 0/450 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Invariant property smplace_177 does not hold.
Invariant property smplace_176 does not hold.
Invariant property smplace_175 does not hold.
Invariant property smplace_174 does not hold.
Invariant property smplace_173 does not hold.
Invariant property smplace_172 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_170 does not hold.
Invariant property smplace_169 does not hold.
Invariant property smplace_168 does not hold.
Invariant property smplace_167 does not hold.
Invariant property smplace_166 does not hold.
Invariant property smplace_165 does not hold.
Invariant property smplace_164 does not hold.
Invariant property smplace_163 does not hold.
Invariant property smplace_162 does not hold.
Invariant property smplace_161 does not hold.
Invariant property smplace_160 does not hold.
Invariant property smplace_159 does not hold.
Invariant property smplace_158 does not hold.
Invariant property smplace_157 does not hold.
Invariant property smplace_156 does not hold.
Invariant property smplace_155 does not hold.
At refinement iteration 11 (OVERLAPS) 480/1714 variables, 262/712 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Invariant property smplace_154 does not hold.
Invariant property smplace_153 does not hold.
Invariant property smplace_152 does not hold.
Invariant property smplace_151 does not hold.
At refinement iteration 12 (INCLUDED_ONLY) 0/1714 variables, 2/714 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Invariant property smplace_150 does not hold.
Invariant property smplace_149 does not hold.
Invariant property smplace_148 does not hold.
Invariant property smplace_147 does not hold.
Invariant property smplace_146 does not hold.
Invariant property smplace_145 does not hold.
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.
Invariant property smplace_137 does not hold.
Invariant property smplace_136 does not hold.
Invariant property smplace_135 does not hold.
Invariant property smplace_134 does not hold.
Invariant property smplace_133 does not hold.
Invariant property smplace_132 does not hold.
Invariant property smplace_131 does not hold.
Invariant property smplace_130 does not hold.
Invariant property smplace_129 does not hold.
Invariant property smplace_128 does not hold.
Invariant property smplace_127 does not hold.
Invariant property smplace_126 does not hold.
Invariant property smplace_125 does not hold.
Invariant property smplace_124 does not hold.
Invariant property smplace_123 does not hold.
Invariant property smplace_122 does not hold.
Invariant property smplace_121 does not hold.
Invariant property smplace_120 does not hold.
At refinement iteration 13 (INCLUDED_ONLY) 0/1714 variables, 0/714 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,1041 properties remain. new max is 4096
SDD size :148740 after 519377
At refinement iteration 14 (OVERLAPS) 667/2381 variables, 2/716 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2381 variables, 1/717 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2381 variables, 0/717 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 693/3074 variables, 667/1384 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/3074 variables, 0/1384 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 0/3074 variables, 0/1384 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3074/3074 variables, and 1384 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2726 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 1375/1375 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
SDD proceeding with computation,1041 properties remain. new max is 8192
SDD size :519377 after 627694
After SMT, in 3802ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 156 ms.
Support contains 2 out of 1375 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1375/1375 places, 1703/1703 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 915 transitions
Trivial Post-agglo rules discarded 915 transitions
Performed 915 trivial Post agglomeration. Transition count delta: 915
Iterating post reduction 0 with 915 rules applied. Total rules applied 915 place count 1375 transition count 788
Reduce places removed 915 places and 0 transitions.
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 40 transitions
Trivial Post-agglo rules discarded 40 transitions
Performed 40 trivial Post agglomeration. Transition count delta: 40
Iterating post reduction 1 with 1014 rules applied. Total rules applied 1929 place count 460 transition count 689
Reduce places removed 40 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 45 rules applied. Total rules applied 1974 place count 420 transition count 684
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 4 rules applied. Total rules applied 1978 place count 419 transition count 681
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 1981 place count 417 transition count 680
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 19 Pre rules applied. Total rules applied 1981 place count 417 transition count 661
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 5 with 38 rules applied. Total rules applied 2019 place count 398 transition count 661
Discarding 60 places :
Symmetric choice reduction at 5 with 60 rule applications. Total rules 2079 place count 338 transition count 595
Iterating global reduction 5 with 60 rules applied. Total rules applied 2139 place count 338 transition count 595
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 3 Pre rules applied. Total rules applied 2139 place count 338 transition count 592
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 5 with 6 rules applied. Total rules applied 2145 place count 335 transition count 592
Discarding 54 places :
Symmetric choice reduction at 5 with 54 rule applications. Total rules 2199 place count 281 transition count 538
Iterating global reduction 5 with 54 rules applied. Total rules applied 2253 place count 281 transition count 538
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 17 transitions
Trivial Post-agglo rules discarded 17 transitions
Performed 17 trivial Post agglomeration. Transition count delta: 17
Iterating post reduction 5 with 34 rules applied. Total rules applied 2287 place count 281 transition count 504
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 6 with 27 rules applied. Total rules applied 2314 place count 264 transition count 494
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 7 with 5 rules applied. Total rules applied 2319 place count 259 transition count 494
Discarding 16 places :
Symmetric choice reduction at 8 with 16 rule applications. Total rules 2335 place count 243 transition count 465
Iterating global reduction 8 with 16 rules applied. Total rules applied 2351 place count 243 transition count 465
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 8 with 11 rules applied. Total rules applied 2362 place count 243 transition count 454
Discarding 6 places :
Symmetric choice reduction at 9 with 6 rule applications. Total rules 2368 place count 237 transition count 442
Iterating global reduction 9 with 6 rules applied. Total rules applied 2374 place count 237 transition count 442
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 2375 place count 236 transition count 440
Iterating global reduction 9 with 1 rules applied. Total rules applied 2376 place count 236 transition count 440
Performed 123 Post agglomeration using F-continuation condition with reduction of 69 identical transitions.
Deduced a syphon composed of 123 places in 0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t2182.t2183.t2184.t2185.t2186.t2187.t2188.t2189.t3024.t2630.t2631.t2632.t2648.t2649.t2760.t2761.t2762.t2792.t2801.t2802.t2181.t2092 and 1 places that fell out of Prefix Of Interest.
Iterating global reduction 9 with 124 rules applied. Total rules applied 2500 place count 111 transition count 247
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition t2182.t2183.t2184.t2185.t2186.t2187.t2188.t2189.t3027.t2630.t2631.t2632.t2648.t2649.t2760.t2761.t2762.t2792.t2801.t2802.t2181.t2013 and 1 places that fell out of Prefix Of Interest.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Graph (trivial) has 194 edges and 110 vertex of which 98 / 110 are part of one of the 9 SCC in 0 ms
Free SCC test removed 89 places
Iterating post reduction 9 with 10 rules applied. Total rules applied 2510 place count 21 transition count 238
Drop transitions (Empty/Sink Transition effects.) removed 184 transitions
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 204 transitions.
Iterating post reduction 10 with 204 rules applied. Total rules applied 2714 place count 21 transition count 34
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 2717 place count 18 transition count 31
Iterating global reduction 11 with 3 rules applied. Total rules applied 2720 place count 18 transition count 31
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 11 with 6 rules applied. Total rules applied 2726 place count 15 transition count 28
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 11 with 11 rules applied. Total rules applied 2737 place count 15 transition count 17
Applied a total of 2737 rules in 282 ms. Remains 15 /1375 variables (removed 1360) and now considering 17/1703 (removed 1686) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 282 ms. Remains : 15/1375 places, 17/1703 transitions.
RANDOM walk for 60 steps (3 resets) in 4 ms. (12 steps per ms) remains 0/2 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 1722 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS TRIVIAL_UNMARKED_SCC_TEST COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL
Total runtime 49992 ms.

BK_STOP 1779558910079

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-318"
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 CloudReconfiguration-PT-318, 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 r080-tall-177946972400153"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-318.tgz
mv CloudReconfiguration-PT-318 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 ;