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.r112-tall-177955701100283.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 DLCflexbar-PT-5b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-tall-177955701100283
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.9M
-rw-r--r-- 1 mcc users 8.1K Mar 6 15:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 6 15:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 15:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 09:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 15:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K Mar 6 15:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 6 15:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 15:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:19 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 6.5M 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 1779628853047

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-5b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-24 13:20:54] [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]
[2026-05-24 13:20:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:20:55] [INFO ] Load time of PNML (sax parser for PT used): 712 ms
[2026-05-24 13:20:55] [INFO ] Transformed 17305 places.
[2026-05-24 13:20:55] [INFO ] Transformed 26483 transitions.
[2026-05-24 13:20:55] [INFO ] Found NUPN structural information;
[2026-05-24 13:20:55] [INFO ] Parsed PT model containing 17305 places and 26483 transitions and 73264 arcs in 1487 ms.
Graph (trivial) has 15844 edges and 17305 vertex of which 1384 / 17305 are part of one of the 90 SCC in 43 ms
Free SCC test removed 1294 places
Structural test allowed to assert that 9066 places are NOT stable. Took 133 ms.
Ensure Unique test removed 1370 transitions
Reduce redundant transitions removed 1370 transitions.
[2026-05-24 13:21:00] [INFO ] Flatten gal took : 1661 ms
[2026-05-24 13:21:01] [INFO ] Flatten gal took : 548 ms
[2026-05-24 13:21:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2612414852776446423.gal : 250 ms
[2026-05-24 13:21:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5583808345812478641.prop : 79 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/ReachabilityCardinality2612414852776446423.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5583808345812478641.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 (8 resets) in 26221 ms. (1 steps per ms) remains 5869/8239 properties
BEST_FIRST walk for 121 steps (8 resets) in 42 ms. (2 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 55 ms. (2 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 65 ms. (1 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 43 ms. (2 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 120 steps (8 resets) in 32 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 57 ms. (2 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 123 steps (8 resets) in 25 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 24 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 123 steps (8 resets) in 23 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 29 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 120 steps (8 resets) in 25 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 123 steps (8 resets) in 26 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 26 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 33 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 27 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 31 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 123 steps (8 resets) in 81 ms. (1 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 26 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 120 steps (8 resets) in 24 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 26 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 31 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 120 steps (8 resets) in 25 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 24 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 123 steps (8 resets) in 25 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 25 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 120 steps (8 resets) in 23 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 123 steps (8 resets) in 31 ms. (3 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 120 steps (8 resets) in 23 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 120 steps (8 resets) in 22 ms. (5 steps per ms) remains 5869/5869 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 5869/5869 properties
[2026-05-24 13:21:05] [INFO ] Flow matrix only has 25024 transitions (discarded 89 similar events)
// Phase 1: matrix 25024 rows 16011 cols
[2026-05-24 13:21:05] [INFO ] Computed 979 invariants in 156 ms
[2026-05-24 13:21:06] [INFO ] State equation strengthened by 1 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality5583808345812478641.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5869 variables, 5869/5869 constraints. Problems are: Problem set: 0 solved, 5869 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5869/41035 variables, and 5869 constraints, problems are : Problem set: 0 solved, 5869 unsolved in 5226 ms.
Refiners :[Domain max(s): 5869/16011 constraints, Positive P Invariants (semi-flows): 0/979 constraints, State Equation: 0/16011 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 5869/5869 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5869 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5869 variables, 5869/5869 constraints. Problems are: Problem set: 0 solved, 5869 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5869/41035 variables, and 5869 constraints, problems are : Problem set: 0 solved, 5869 unsolved in 5097 ms.
Refiners :[Domain max(s): 5869/16011 constraints, Positive P Invariants (semi-flows): 0/979 constraints, State Equation: 0/16011 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/5869 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 24357ms problems are : Problem set: 0 solved, 5869 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5869 out of 16011 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16011/16011 places, 25113/25113 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4170 transitions
Trivial Post-agglo rules discarded 4170 transitions
Performed 4170 trivial Post agglomeration. Transition count delta: 4170
Iterating post reduction 0 with 4260 rules applied. Total rules applied 4260 place count 16011 transition count 20853
Reduce places removed 4170 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 1 with 4213 rules applied. Total rules applied 8473 place count 11841 transition count 20810
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 2 with 18 rules applied. Total rules applied 8491 place count 11823 transition count 20810
Performed 62 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 62 Pre rules applied. Total rules applied 8491 place count 11823 transition count 20748
Deduced a syphon composed of 62 places in 414 ms
Reduce places removed 62 places and 0 transitions.
Iterating global reduction 3 with 124 rules applied. Total rules applied 8615 place count 11761 transition count 20748
Discarding 450 places :
Symmetric choice reduction at 3 with 450 rule applications. Total rules 9065 place count 11311 transition count 20298
Iterating global reduction 3 with 450 rules applied. Total rules applied 9515 place count 11311 transition count 20298
Performed 117 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 117 Pre rules applied. Total rules applied 9515 place count 11311 transition count 20181
Deduced a syphon composed of 117 places in 414 ms
Reduce places removed 117 places and 0 transitions.
Iterating global reduction 3 with 234 rules applied. Total rules applied 9749 place count 11194 transition count 20181
Discarding 103 places :
Symmetric choice reduction at 3 with 103 rule applications. Total rules 9852 place count 11091 transition count 16532
Iterating global reduction 3 with 103 rules applied. Total rules applied 9955 place count 11091 transition count 16532
Ensure Unique test removed 69 transitions
Reduce isomorphic transitions removed 69 transitions.
Iterating post reduction 3 with 69 rules applied. Total rules applied 10024 place count 11091 transition count 16463
Performed 1902 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 1902 places in 8 ms
Reduce places removed 1902 places and 0 transitions.
Iterating global reduction 4 with 3804 rules applied. Total rules applied 13828 place count 9189 transition count 14554
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 4 with 7 rules applied. Total rules applied 13835 place count 9189 transition count 14547
Renaming transitions due to excessive name length > 1024 char.
Performed 60 Post agglomeration using F-continuation condition with reduction of 28 identical transitions.
Deduced a syphon composed of 60 places in 7 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 5 with 120 rules applied. Total rules applied 13955 place count 9129 transition count 14911
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 13958 place count 9126 transition count 14869
Iterating global reduction 5 with 3 rules applied. Total rules applied 13961 place count 9126 transition count 14869
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 5 with 21 rules applied. Total rules applied 13982 place count 9126 transition count 14848
Drop transitions (Redundant composition of simpler transitions.) removed 109 transitions
Redundant transition composition rules discarded 109 transitions
Iterating global reduction 6 with 109 rules applied. Total rules applied 14091 place count 9126 transition count 14739
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 14104 place count 9113 transition count 14726
Iterating global reduction 6 with 13 rules applied. Total rules applied 14117 place count 9113 transition count 14726
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 14130 place count 9100 transition count 13842
Iterating global reduction 6 with 13 rules applied. Total rules applied 14143 place count 9100 transition count 13842
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 14156 place count 9100 transition count 13829
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 5 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 7 with 14 rules applied. Total rules applied 14170 place count 9093 transition count 13822
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 14177 place count 9086 transition count 13346
Iterating global reduction 7 with 7 rules applied. Total rules applied 14184 place count 9086 transition count 13346
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 14191 place count 9086 transition count 13339
Free-agglomeration rule applied 2105 times with reduction of 523 identical transitions.
Iterating global reduction 8 with 2105 rules applied. Total rules applied 16296 place count 9086 transition count 10711
Reduce places removed 2105 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 235 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 237 transitions.
Graph (complete) has 14461 edges and 6981 vertex of which 6945 are kept as prefixes of interest. Removing 36 places using SCC suffix rule.6 ms
Discarding 36 places :
Also discarding 0 output transitions
Iterating post reduction 8 with 2343 rules applied. Total rules applied 18639 place count 6945 transition count 10474
Discarding 5 places :
Symmetric choice reduction at 9 with 5 rule applications. Total rules 18644 place count 6940 transition count 10464
Iterating global reduction 9 with 5 rules applied. Total rules applied 18649 place count 6940 transition count 10464
Drop transitions (Redundant composition of simpler transitions.) removed 170 transitions
Redundant transition composition rules discarded 170 transitions
Iterating global reduction 9 with 170 rules applied. Total rules applied 18819 place count 6940 transition count 10294
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 9 with 5 rules applied. Total rules applied 18824 place count 6940 transition count 10294
Partial Post-agglomeration rule applied 5 times.
Drop transitions (Partial Post agglomeration) removed 5 transitions
Iterating global reduction 9 with 5 rules applied. Total rules applied 18829 place count 6940 transition count 10294
Applied a total of 18829 rules in 12705 ms. Remains 6940 /16011 variables (removed 9071) and now considering 10294/25113 (removed 14819) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12717 ms. Remains : 6940/16011 places, 10294/25113 transitions.
RANDOM walk for 373584 steps (0 resets) in 120005 ms. (3 steps per ms) remains 49/5869 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6771 ms. (59 steps per ms) remains 48/49 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6441 ms. (62 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6427 ms. (62 steps per ms) remains 46/48 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6427 ms. (62 steps per ms) remains 46/46 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6606 ms. (60 steps per ms) remains 46/46 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6331 ms. (63 steps per ms) remains 46/46 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6300 ms. (63 steps per ms) remains 46/46 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6501 ms. (61 steps per ms) remains 43/46 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6559 ms. (60 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6600 ms. (60 steps per ms) remains 43/43 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6616 ms. (60 steps per ms) remains 42/43 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6477 ms. (61 steps per ms) remains 42/42 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6459 ms. (61 steps per ms) remains 42/42 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6422 ms. (62 steps per ms) remains 41/42 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6444 ms. (62 steps per ms) remains 40/41 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6412 ms. (62 steps per ms) remains 39/40 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6535 ms. (61 steps per ms) remains 39/39 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6471 ms. (61 steps per ms) remains 38/39 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6510 ms. (61 steps per ms) remains 38/38 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6499 ms. (61 steps per ms) remains 38/38 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6463 ms. (61 steps per ms) remains 37/38 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6466 ms. (61 steps per ms) remains 37/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6485 ms. (61 steps per ms) remains 37/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6465 ms. (61 steps per ms) remains 37/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6497 ms. (61 steps per ms) remains 37/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6496 ms. (61 steps per ms) remains 37/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6647 ms. (60 steps per ms) remains 37/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6505 ms. (61 steps per ms) remains 36/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6609 ms. (60 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6366 ms. (62 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6507 ms. (61 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6519 ms. (61 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6398 ms. (62 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6448 ms. (62 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6598 ms. (60 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6620 ms. (60 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 6496 ms. (61 steps per ms) remains 36/36 properties
[2026-05-24 13:23:16] [INFO ] Flow matrix only has 10186 transitions (discarded 108 similar events)
// Phase 1: matrix 10186 rows 6940 cols
[2026-05-24 13:23:16] [INFO ] Computed 938 invariants in 29 ms
[2026-05-24 13:23:16] [INFO ] State equation strengthened by 1333 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) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 836/872 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/872 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 6068/6940 variables, 915/938 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6940 variables, 0/938 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (OVERLAPS) 10186/17126 variables, 6940/7878 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17126 variables, 1333/9211 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/17126 variables, 0/9211 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (OVERLAPS) 0/17126 variables, 0/9211 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17126/17126 variables, and 9211 constraints, problems are : Problem set: 0 solved, 36 unsolved in 45023 ms.
Refiners :[Positive P Invariants (semi-flows): 938/938 constraints, State Equation: 6940/6940 constraints, ReadFeed: 1333/1333 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 836/872 variables, 23/23 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/872 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 6068/6940 variables, 915/938 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6940 variables, 0/938 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (OVERLAPS) 10186/17126 variables, 6940/7878 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17126 variables, 1333/9211 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/17126 variables, 36/9247 constraints. Problems are: Problem set: 0 solved, 36 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 17126/17126 variables, and 9247 constraints, problems are : Problem set: 0 solved, 36 unsolved in 45064 ms.
Refiners :[Positive P Invariants (semi-flows): 938/938 constraints, State Equation: 6940/6940 constraints, ReadFeed: 1333/1333 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90222ms problems are : Problem set: 0 solved, 36 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 36 out of 6940 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6940/6940 places, 10294/10294 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3545 transitions
Trivial Post-agglo rules discarded 3545 transitions
Performed 3545 trivial Post agglomeration. Transition count delta: 3545
Iterating post reduction 0 with 3545 rules applied. Total rules applied 3545 place count 6940 transition count 6749
Reduce places removed 3545 places and 0 transitions.
Ensure Unique test removed 147 transitions
Reduce isomorphic transitions removed 147 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 128 transitions
Trivial Post-agglo rules discarded 128 transitions
Performed 128 trivial Post agglomeration. Transition count delta: 128
Iterating post reduction 1 with 3820 rules applied. Total rules applied 7365 place count 3395 transition count 6474
Reduce places removed 128 places and 0 transitions.
Ensure Unique test removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 43 transitions
Trivial Post-agglo rules discarded 43 transitions
Performed 43 trivial Post agglomeration. Transition count delta: 43
Iterating post reduction 2 with 215 rules applied. Total rules applied 7580 place count 3267 transition count 6387
Reduce places removed 43 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 47 rules applied. Total rules applied 7627 place count 3224 transition count 6383
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 7629 place count 3222 transition count 6383
Performed 54 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 54 Pre rules applied. Total rules applied 7629 place count 3222 transition count 6329
Deduced a syphon composed of 54 places in 2 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 5 with 108 rules applied. Total rules applied 7737 place count 3168 transition count 6329
Discarding 923 places :
Symmetric choice reduction at 5 with 923 rule applications. Total rules 8660 place count 2245 transition count 5402
Iterating global reduction 5 with 923 rules applied. Total rules applied 9583 place count 2245 transition count 5402
Ensure Unique test removed 536 transitions
Reduce isomorphic transitions removed 536 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 5 with 538 rules applied. Total rules applied 10121 place count 2245 transition count 4864
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 6 with 5 rules applied. Total rules applied 10126 place count 2243 transition count 4861
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 10127 place count 2242 transition count 4861
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 10127 place count 2242 transition count 4860
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 10129 place count 2241 transition count 4860
Performed 968 Post agglomeration using F-continuation condition with reduction of 198 identical transitions.
Deduced a syphon composed of 968 places in 1 ms
Reduce places removed 968 places and 0 transitions.
Iterating global reduction 8 with 1936 rules applied. Total rules applied 12065 place count 1273 transition count 3694
Drop transitions (Empty/Sink Transition effects.) removed 1713 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 1715 transitions.
Graph (complete) has 3091 edges and 1273 vertex of which 434 are kept as prefixes of interest. Removing 839 places using SCC suffix rule.1 ms
Discarding 839 places :
Also discarding 1265 output transitions
Drop transitions (Output transitions of discarded places.) removed 1265 transitions
Iterating post reduction 8 with 1716 rules applied. Total rules applied 13781 place count 434 transition count 714
Drop transitions (Empty/Sink Transition effects.) removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 9 with 36 rules applied. Total rules applied 13817 place count 434 transition count 678
Discarding 201 places :
Symmetric choice reduction at 10 with 201 rule applications. Total rules 14018 place count 233 transition count 327
Iterating global reduction 10 with 201 rules applied. Total rules applied 14219 place count 233 transition count 327
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 10 with 48 rules applied. Total rules applied 14267 place count 209 transition count 303
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 10 with 8 rules applied. Total rules applied 14275 place count 209 transition count 295
Performed 40 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 40 places in 0 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 11 with 80 rules applied. Total rules applied 14355 place count 169 transition count 325
Drop transitions (Empty/Sink Transition effects.) removed 74 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 75 transitions.
Iterating post reduction 11 with 75 rules applied. Total rules applied 14430 place count 169 transition count 250
Discarding 14 places :
Symmetric choice reduction at 12 with 14 rule applications. Total rules 14444 place count 155 transition count 219
Iterating global reduction 12 with 14 rules applied. Total rules applied 14458 place count 155 transition count 219
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 12 with 17 rules applied. Total rules applied 14475 place count 155 transition count 202
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 13 with 18 rules applied. Total rules applied 14493 place count 155 transition count 184
Partial Post-agglomeration rule applied 5 times.
Drop transitions (Partial Post agglomeration) removed 5 transitions
Iterating global reduction 13 with 5 rules applied. Total rules applied 14498 place count 155 transition count 184
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 13 with 5 rules applied. Total rules applied 14503 place count 155 transition count 179
Applied a total of 14503 rules in 612 ms. Remains 155 /6940 variables (removed 6785) and now considering 179/10294 (removed 10115) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 612 ms. Remains : 155/6940 places, 179/10294 transitions.
RANDOM walk for 2741 steps (0 resets) in 16 ms. (161 steps per ms) remains 0/36 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 8241 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST BESTFIRST_WALK TOPOLOGICAL
Total runtime 233363 ms.

BK_STOP 1779629087805

--------------------
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="DLCflexbar-PT-5b"
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 DLCflexbar-PT-5b, 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 r112-tall-177955701100283"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-5b.tgz
mv DLCflexbar-PT-5b 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 ;