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.r338-smll-178021499200287.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is ErlangenMainframeV2-PT-bP10C08, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499200287
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 101M
-rw-r--r-- 1 mcc users 5.8K May 27 09:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K May 27 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 27 09:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 27 09:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 27 10:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 27 10:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 17K May 27 09:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 190K May 27 09:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 27 09:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K May 27 09:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 100M May 26 18:17 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780406352997

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV2-PT-bP10C08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-02 13:19:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-06-02 13:19:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-02 13:19:21] [INFO ] Load time of PNML (sax parser for PT used): 5437 ms
[2026-06-02 13:19:21] [INFO ] Transformed 345 places.
[2026-06-02 13:19:21] [INFO ] Transformed 79094 transitions.
[2026-06-02 13:19:21] [INFO ] Found NUPN structural information;
[2026-06-02 13:19:21] [INFO ] Parsed PT model containing 345 places and 79094 transitions and 1995500 arcs in 6361 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 51 ms.
Working with output stream class java.io.PrintStream
[2026-06-02 13:19:49] [INFO ] Flatten gal took : 22594 ms
RANDOM walk for 23913 steps (4 resets) in 120016 ms. (0 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1220 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 619 ms. (6 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 459 ms. (8 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 466 ms. (8 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 409 ms. (9 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 359 ms. (11 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 312 ms. (12 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 1130 ms. (3 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 362 ms. (11 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 406 ms. (9 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 382 ms. (10 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 258 ms. (15 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 395 ms. (10 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 275 ms. (14 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 313 ms. (12 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 271 ms. (14 steps per ms) remains 16/16 properties
[2026-06-02 13:20:04] [INFO ] Flatten gal took : 15445 ms
[2026-06-02 13:20:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5151669573944580079.gal : 2201 ms
[2026-06-02 13:20:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6110116081733271917.prop : 16 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5151669573944580079.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6110116081733271917.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Interrupted probabilistic random walk after 98166 steps, run timeout after 96006 ms. (steps per millisecond=1 ) properties seen :0 out of 16
Probabilistic random walk after 98166 steps, saw 18841 distinct states, run finished after 96026 ms. (steps per millisecond=1 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8529007118263549860.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3090194174675859485.kers'
[2026-06-02 13:21:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8529007118263549860.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3090194174675859485.kers]
Culled 0 columns in 358 ms.
// Phase 1: matrix 79094 rows 345 cols 1995500 entries
Finished phase 1 with 314 SingleSign rule and 3 generalized
[2026-06-02 13:21:35] [INFO ] Computed 28 invariants in 2097 ms
Computed 28 P flows in 2102 ms.
Exported basis to /tmp/petrispot-output-3090194174675859485.kers
Total runtime 2360 ms.
Excessive predecessor constraint size, skipping predecessor.
Problem ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-14 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 66/66 constraints. Problems are: Problem set: 1 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/66 variables, 0/66 constraints. Problems are: Problem set: 1 solved, 15 unsolved
Problem ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-06 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 75/141 variables, 14/80 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 75/155 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/155 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 72/213 variables, 3/158 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 72/230 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/230 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 132/345 variables, 11/241 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/345 variables, 132/373 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/345 variables, 0/373 constraints. Problems are: Problem set: 2 solved, 14 unsolved
SMT process timed out in 9107ms, After SMT, problems are : Problem set: 2 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 66 out of 345 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 345/345 places, 79094/79094 transitions.
Graph (trivial) has 248 edges and 345 vertex of which 10 / 345 are part of one of the 4 SCC in 32 ms
Free SCC test removed 6 places
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 129 transitions
Trivial Post-agglo rules discarded 129 transitions
Performed 129 trivial Post agglomeration. Transition count delta: 129
Iterating post reduction 0 with 129 rules applied. Total rules applied 130 place count 339 transition count 78954
Reduce places removed 129 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 141 rules applied. Total rules applied 271 place count 210 transition count 78942
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 274 place count 207 transition count 78942
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 274 place count 207 transition count 78937
Deduced a syphon composed of 5 places in 133 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 284 place count 202 transition count 78937
Discarding 35 places :
Symmetric choice reduction at 3 with 35 rule applications. Total rules 319 place count 167 transition count 78902
Iterating global reduction 3 with 35 rules applied. Total rules applied 354 place count 167 transition count 78902
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 354 place count 167 transition count 78898
Deduced a syphon composed of 4 places in 112 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 362 place count 163 transition count 78898
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 367 place count 158 transition count 78873
Iterating global reduction 3 with 5 rules applied. Total rules applied 372 place count 158 transition count 78873
Performed 31 Post agglomeration using F-continuation condition.Transition count delta: 31
Deduced a syphon composed of 31 places in 37 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 3 with 62 rules applied. Total rules applied 434 place count 127 transition count 78842
Performed 7 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 7 places in 33 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 448 place count 120 transition count 78888
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 3 with 18 rules applied. Total rules applied 466 place count 120 transition count 78870
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 468 place count 118 transition count 78864
Iterating global reduction 4 with 2 rules applied. Total rules applied 470 place count 118 transition count 78864
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 4 with 14 rules applied. Total rules applied 484 place count 118 transition count 78850
Free-agglomeration rule applied 3 times.
Iterating global reduction 5 with 3 rules applied. Total rules applied 487 place count 118 transition count 78847
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 490 place count 115 transition count 78847
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 6 with 1 rules applied. Total rules applied 491 place count 115 transition count 78860
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 493 place count 114 transition count 78859
Partial Post-agglomeration rule applied 10 times.
Drop transitions (Partial Post agglomeration) removed 10 transitions
Iterating global reduction 7 with 10 rules applied. Total rules applied 503 place count 114 transition count 78859
Applied a total of 503 rules in 45832 ms. Remains 114 /345 variables (removed 231) and now considering 78859/79094 (removed 235) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45860 ms. Remains : 114/345 places, 78859/79094 transitions.
RANDOM walk for 31553 steps (8 resets) in 120015 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 10059 steps (0 resets) in 20023 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 24497 steps (5 resets) in 20019 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 12989 steps (1 resets) in 20024 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 10620 steps (0 resets) in 20008 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 10304 steps (0 resets) in 20017 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 10565 steps (0 resets) in 20018 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 39389 steps (8 resets) in 19840 ms. (1 steps per ms) remains 14/14 properties
BEST_FIRST walk for 9872 steps (0 resets) in 20017 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 10388 steps (0 resets) in 20023 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 9936 steps (0 resets) in 20018 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 10806 steps (0 resets) in 20027 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 19247 ms. (2 steps per ms) remains 14/14 properties
BEST_FIRST walk for 10086 steps (0 resets) in 20009 ms. (0 steps per ms) remains 14/14 properties
BEST_FIRST walk for 10288 steps (0 resets) in 20018 ms. (0 steps per ms) remains 14/14 properties
Loading property file /tmp/ReachabilityCardinality6110116081733271917.prop.
Interrupted probabilistic random walk after 258733 steps, run timeout after 300005 ms. (steps per millisecond=0 ) properties seen :0 out of 14
Probabilistic random walk after 258733 steps, saw 64688 distinct states, run finished after 300006 ms. (steps per millisecond=0 ) properties seen :0
[2026-06-02 13:29:07] [INFO ] Flow matrix only has 78847 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6192931012224637034.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15834658923237287904.kers'
[2026-06-02 13:29:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6192931012224637034.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15834658923237287904.kers]
Culled 0 columns in 360 ms.
// Phase 1: matrix 78847 rows 114 cols 1994990 entries
Finished phase 1 with 83 SingleSign rule and 3 generalized
[2026-06-02 13:29:10] [INFO ] Computed 28 invariants in 1966 ms
Computed 28 P flows in 1970 ms.
Exported basis to /tmp/petrispot-output-15834658923237287904.kers
Total runtime 2220 ms.
[2026-06-02 13:29:10] [INFO ] State equation strengthened by 46 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 10/76 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 6/82 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 32/114 variables, 11/28 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 78961/78961 variables, and 142 constraints, problems are : Problem set: 0 solved, 14 unsolved in 45022 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 114/114 constraints, ReadFeed: 0/46 constraints, PredecessorRefiner: 14/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Problem ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-02 is UNSAT
FORMULA ErlangenMainframeV2-PT-bP10C08-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 10/76 variables, 14/14 constraints. Problems are: Problem set: 1 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 76/78961 variables, and 15 constraints, problems are : Problem set: 1 solved, 13 unsolved in 46075 ms.
Refiners :[Positive P Invariants (semi-flows): 14/17 constraints, Generalized P Invariants (flows): 0/11 constraints, State Equation: 0/114 constraints, ReadFeed: 0/46 constraints, PredecessorRefiner: 14/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 94608ms problems are : Problem set: 1 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 66 out of 114 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 114/114 places, 78859/78859 transitions.
Applied a total of 0 rules in 2246 ms. Remains 114 /114 variables (removed 0) and now considering 78859/78859 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2246 ms. Remains : 114/114 places, 78859/78859 transitions.
RANDOM walk for 32540 steps (8 resets) in 120021 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10531 steps (0 resets) in 20019 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 15693 steps (2 resets) in 20027 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10564 steps (0 resets) in 20023 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10505 steps (0 resets) in 20022 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10172 steps (0 resets) in 20032 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 19715 ms. (2 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10095 steps (0 resets) in 20029 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10208 steps (0 resets) in 20012 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10057 steps (0 resets) in 20012 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10449 steps (0 resets) in 20023 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 39981 steps (8 resets) in 18589 ms. (2 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10318 steps (0 resets) in 20017 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10314 steps (0 resets) in 20024 ms. (0 steps per ms) remains 13/13 properties
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :3 after 5
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :5 after 6
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :6 after 15
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :15 after 1540
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :1540 after 27930
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :27930 after 28923
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :28923 after 30202
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :30202 after 32515
SDD proceeding with computation,16 properties remain. new max is 4096
SDD size :32515 after 43774
SDD proceeding with computation,16 properties remain. new max is 8192
SDD size :43774 after 671547
Interrupted probabilistic random walk after 257506 steps, run timeout after 285003 ms. (steps per millisecond=0 ) properties seen :0 out of 13
Probabilistic random walk after 257506 steps, saw 64446 distinct states, run finished after 285007 ms. (steps per millisecond=0 ) properties seen :0
[2026-06-02 13:37:04] [INFO ] Flow matrix only has 78847 transitions (discarded 12 similar events)
[2026-06-02 13:37:04] [INFO ] Invariant cache hit.
[2026-06-02 13:37:05] [INFO ] State equation strengthened by 46 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 10/76 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 6/82 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/82 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 32/114 variables, 11/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/114 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 78961/78961 variables, and 142 constraints, problems are : Problem set: 0 solved, 13 unsolved in 75019 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 114/114 constraints, ReadFeed: 0/46 constraints, PredecessorRefiner: 13/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 10/76 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
SDD proceeding with computation,16 properties remain. new max is 16384
SDD size :671547 after 5.57755e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 6/82 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 82/78961 variables, and 18 constraints, problems are : Problem set: 0 solved, 13 unsolved in 75426 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 0/11 constraints, State Equation: 0/114 constraints, ReadFeed: 0/46 constraints, PredecessorRefiner: 13/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 151326ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 66 out of 114 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 114/114 places, 78859/78859 transitions.
Applied a total of 0 rules in 2255 ms. Remains 114 /114 variables (removed 0) and now considering 78859/78859 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2256 ms. Remains : 114/114 places, 78859/78859 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 114/114 places, 78859/78859 transitions.
Applied a total of 0 rules in 2337 ms. Remains 114 /114 variables (removed 0) and now considering 78859/78859 (removed 0) transitions.
[2026-06-02 13:39:40] [INFO ] Flow matrix only has 78847 transitions (discarded 12 similar events)
[2026-06-02 13:39:40] [INFO ] Invariant cache hit.
[2026-06-02 13:39:41] [INFO ] Implicit Places using invariants in 212 ms returned [95]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 408 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 113/114 places, 78859/78859 transitions.
Applied a total of 0 rules in 2376 ms. Remains 113 /113 variables (removed 0) and now considering 78859/78859 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 5151 ms. Remains : 113/114 places, 78859/78859 transitions.
RANDOM walk for 33639 steps (8 resets) in 120036 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10577 steps (0 resets) in 20024 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10856 steps (0 resets) in 20024 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10431 steps (0 resets) in 20022 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10547 steps (0 resets) in 20008 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10293 steps (0 resets) in 20018 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 18879 ms. (2 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10248 steps (0 resets) in 20016 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10310 steps (0 resets) in 20021 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10159 steps (0 resets) in 20050 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10983 steps (0 resets) in 20014 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 18435 ms. (2 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10502 steps (0 resets) in 20027 ms. (0 steps per ms) remains 13/13 properties
BEST_FIRST walk for 10533 steps (0 resets) in 20012 ms. (0 steps per ms) remains 13/13 properties
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :5.57755e+06 after 1.02278e+08
Interrupted probabilistic random walk after 259434 steps, run timeout after 282001 ms. (steps per millisecond=0 ) properties seen :0 out of 13
Probabilistic random walk after 259434 steps, saw 64825 distinct states, run finished after 282001 ms. (steps per millisecond=0 ) properties seen :0
[2026-06-02 13:46:00] [INFO ] Flow matrix only has 78847 transitions (discarded 12 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13263448403479887219.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-397709755448810669.kers'
[2026-06-02 13:46:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13263448403479887219.kers, --Pflows, --basisKERS=/tmp/petrispot-output-397709755448810669.kers]
Culled 0 columns in 339 ms.
// Phase 1: matrix 78847 rows 113 cols 1994988 entries
Finished phase 1 with 83 SingleSign rule and 3 generalized
[2026-06-02 13:46:02] [INFO ] Computed 27 invariants in 1678 ms
Computed 27 P flows in 1679 ms.
Exported basis to /tmp/petrispot-output-397709755448810669.kers
Total runtime 1960 ms.
[2026-06-02 13:46:03] [INFO ] State equation strengthened by 27 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 10/76 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 5/81 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 32/113 variables, 11/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 78960/78960 variables, and 140 constraints, problems are : Problem set: 0 solved, 13 unsolved in 90030 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 113/113 constraints, ReadFeed: 0/27 constraints, PredecessorRefiner: 13/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 10/76 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 5/81 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 81/78960 variables, and 17 constraints, problems are : Problem set: 0 solved, 13 unsolved in 90836 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, Generalized P Invariants (flows): 0/11 constraints, State Equation: 0/113 constraints, ReadFeed: 0/27 constraints, PredecessorRefiner: 13/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 184000ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 66 out of 113 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 113/113 places, 78859/78859 transitions.
Applied a total of 0 rules in 2140 ms. Remains 113 /113 variables (removed 0) and now considering 78859/78859 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2140 ms. Remains : 113/113 places, 78859/78859 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 113/113 places, 78859/78859 transitions.
Applied a total of 0 rules in 2139 ms. Remains 113 /113 variables (removed 0) and now considering 78859/78859 (removed 0) transitions.
[2026-06-02 13:49:08] [INFO ] Flow matrix only has 78847 transitions (discarded 12 similar events)
[2026-06-02 13:49:08] [INFO ] Invariant cache hit.
[2026-06-02 13:49:08] [INFO ] Implicit Places using invariants in 171 ms returned []
Implicit Place search using SMT only with invariants took 172 ms to find 0 implicit places.
Running 78853 sub problems to find dead transitions.
[2026-06-02 13:49:09] [INFO ] Flow matrix only has 78847 transitions (discarded 12 similar events)
[2026-06-02 13:49:09] [INFO ] Invariant cache hit.
[2026-06-02 13:49:10] [INFO ] State equation strengthened by 27 read => feed constraints.
Detected timeout of ITS tools.
[2026-06-02 13:50:22] [INFO ] Flatten gal took : 14459 ms
[2026-06-02 13:50:22] [INFO ] Applying decomposition
[2026-06-02 13:50:36] [INFO ] Flatten gal took : 13880 ms
[2026-06-02 13:51:25] [WARNING] Could not apply decomposition. Using flat GAL structure.
java.util.concurrent.TimeoutException: Subprocess running '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph15344537581657184569.txt' '-o' '/tmp/graph15344537581657184569.bin' '-w' '/tmp/graph15344537581657184569.weights' killed by timeout after 10 SECONDS
at fr.lip6.move.gal.process.Runner.waitForOrTimeout(Runner.java:76)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:47)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:27)
at fr.lip6.move.gal.louvain.GraphBuilder.convertGraphToBin(GraphBuilder.java:258)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:189)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:157)
at fr.lip6.move.gal.application.mcc.MccTranslator.applyOrder(MccTranslator.java:114)
at fr.lip6.move.gal.application.mcc.MccTranslator.flattenSpec(MccTranslator.java:230)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:714)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:71)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-06-02 13:51:41] [INFO ] Flatten gal took : 15881 ms
[2026-06-02 13:51:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18216104740947824233.gal : 2249 ms
[2026-06-02 13:51:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15048227252852375892.prop : 10 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18216104740947824233.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15048227252852375892.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330

BK_STOP 1780408888509

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="ErlangenMainframeV2-PT-bP10C08"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 itstools"
echo " Input is ErlangenMainframeV2-PT-bP10C08, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r338-smll-178021499200287"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV2-PT-bP10C08.tgz
mv ErlangenMainframeV2-PT-bP10C08 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;