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.r152-tall-177961077500417.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 itstools
Input is HealthRecord-PT-17, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r152-tall-177961077500417
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 7.1K Mar 7 13:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 13:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 13:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 13:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 13:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 7 13:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 7 13:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 7 13:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:46 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 175K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779701395960

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HealthRecord-PT-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 09:29:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 09:29:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:29:57] [INFO ] Load time of PNML (sax parser for PT used): 93 ms
[2026-05-25 09:29:57] [INFO ] Transformed 624 places.
[2026-05-25 09:29:57] [INFO ] Transformed 828 transitions.
[2026-05-25 09:29:57] [INFO ] Found NUPN structural information;
[2026-05-25 09:29:57] [INFO ] Parsed PT model containing 624 places and 828 transitions and 1879 arcs in 181 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 624/624 places, 828/828 transitions.
Graph (trivial) has 750 edges and 624 vertex of which 87 / 624 are part of one of the 21 SCC in 8 ms
Free SCC test removed 66 places
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 295 transitions
Trivial Post-agglo rules discarded 295 transitions
Performed 295 trivial Post agglomeration. Transition count delta: 295
Iterating post reduction 0 with 295 rules applied. Total rules applied 296 place count 558 transition count 458
Reduce places removed 295 places and 0 transitions.
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 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 337 rules applied. Total rules applied 633 place count 263 transition count 416
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 647 place count 249 transition count 416
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 10 Pre rules applied. Total rules applied 647 place count 249 transition count 406
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 667 place count 239 transition count 406
Performed 97 Post agglomeration using F-continuation condition.Transition count delta: 97
Deduced a syphon composed of 97 places in 1 ms
Reduce places removed 97 places and 0 transitions.
Iterating global reduction 3 with 194 rules applied. Total rules applied 861 place count 142 transition count 309
Performed 36 Post agglomeration using F-continuation condition.Transition count delta: -77
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 3 with 72 rules applied. Total rules applied 933 place count 106 transition count 386
Applied a total of 933 rules in 88 ms. Remains 106 /624 variables (removed 518) and now considering 386/828 (removed 442) transitions.
[2026-05-25 09:29:57] [INFO ] Flow matrix only has 357 transitions (discarded 29 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7293241956076275924.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2705730253343221779.kers'
[2026-05-25 09:29:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7293241956076275924.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2705730253343221779.kers]
Normalized transition count is 356 out of 357 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 356 rows 99 cols 1616 entries
Finished phase 1 with 86 SingleSign rule and 2 generalized
[2026-05-25 09:29:57] [INFO ] Computed 18 invariants in 2 ms
Computed 18 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2705730253343221779.kers
Total runtime 3 ms.
[2026-05-25 09:29:57] [INFO ] Implicit Places using invariants in 269 ms returned []
[2026-05-25 09:29:57] [INFO ] Flow matrix only has 357 transitions (discarded 29 similar events)
[2026-05-25 09:29:57] [INFO ] Invariant cache hit.
[2026-05-25 09:29:57] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-25 09:29:57] [INFO ] Implicit Places using invariants and state equation in 221 ms returned []
Implicit Place search using SMT with State Equation took 521 ms to find 0 implicit places.
Running 356 sub problems to find dead transitions.
[2026-05-25 09:29:58] [INFO ] Flow matrix only has 357 transitions (discarded 29 similar events)
[2026-05-25 09:29:58] [INFO ] Invariant cache hit.
[2026-05-25 09:29:58] [INFO ] State equation strengthened by 54 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/105 variables, 105/105 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/105 variables, 8/113 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 3 (OVERLAPS) 1/106 variables, 9/122 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 1/123 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/106 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/106 variables, 6/130 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/106 variables, 2/132 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/106 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 9 (OVERLAPS) 356/462 variables, 106/238 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/462 variables, 53/291 constraints. Problems are: Problem set: 0 solved, 356 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/462 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 356 unsolved
SMT process timed out in 30400ms, After SMT, problems are : Problem set: 0 solved, 356 unsolved
Search for dead transitions found 0 dead transitions in 30414ms
Starting structural reductions in LIVENESS mode, iteration 1 : 106/624 places, 386/828 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 31063 ms. Remains : 106/624 places, 386/828 transitions.
Discarding 295 transitions out of 386. Remains 91
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (3809 resets) in 1694 ms. (23 steps per ms) remains 39/90 properties
BEST_FIRST walk for 4003 steps (26 resets) in 34 ms. (114 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (27 resets) in 41 ms. (95 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (26 resets) in 9 ms. (400 steps per ms) remains 39/39 properties
[2026-05-25 09:30:29] [INFO ] Flatten gal took : 108 ms
BEST_FIRST walk for 4004 steps (25 resets) in 44 ms. (88 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (29 resets) in 10 ms. (364 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (25 resets) in 9 ms. (400 steps per ms) remains 39/39 properties
[2026-05-25 09:30:29] [INFO ] Flatten gal took : 36 ms
BEST_FIRST walk for 4003 steps (27 resets) in 13 ms. (285 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (26 resets) in 9 ms. (400 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (27 resets) in 12 ms. (307 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (26 resets) in 14 ms. (266 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (27 resets) in 15 ms. (250 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (26 resets) in 8 ms. (444 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (27 resets) in 13 ms. (286 steps per ms) remains 39/39 properties
[2026-05-25 09:30:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12535470874928407287.gal : 41 ms
BEST_FIRST walk for 4004 steps (26 resets) in 8 ms. (444 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (14 resets) in 11 ms. (333 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4004 steps (14 resets) in 8 ms. (444 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (16 resets) in 10 ms. (363 steps per ms) remains 38/39 properties
BEST_FIRST walk for 4004 steps (13 resets) in 8 ms. (444 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (15 resets) in 13 ms. (286 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (15 resets) in 9 ms. (400 steps per ms) remains 38/38 properties
[2026-05-25 09:30:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10283711984025309245.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12535470874928407287.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10283711984025309245.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4002 steps (41 resets) in 16 ms. (235 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (43 resets) in 11 ms. (333 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4003 steps (42 resets) in 13 ms. (285 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (19 resets) in 7 ms. (500 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (16 resets) in 9 ms. (400 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (21 resets) in 10 ms. (364 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (18 resets) in 9 ms. (400 steps per ms) remains 38/38 properties

BEST_FIRST walk for 4004 steps (18 resets) in 10 ms. (364 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (20 resets) in 7 ms. (500 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (20 resets) in 7 ms. (500 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4003 steps (25 resets) in 9 ms. (400 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (25 resets) in 8 ms. (444 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (27 resets) in 9 ms. (400 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4003 steps (24 resets) in 10 ms. (363 steps per ms) remains 38/38 properties
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
BEST_FIRST walk for 4004 steps (25 resets) in 11 ms. (333 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4004 steps (27 resets) in 6 ms. (572 steps per ms) remains 37/38 properties
BEST_FIRST walk for 4004 steps (26 resets) in 6 ms. (572 steps per ms) remains 37/37 properties
BEST_FIRST walk for 4004 steps (26 resets) in 9 ms. (400 steps per ms) remains 37/37 properties
[2026-05-25 09:30:29] [INFO ] Flow matrix only has 357 transitions (discarded 29 similar events)
[2026-05-25 09:30:29] [INFO ] Invariant cache hit.
[2026-05-25 09:30:29] [INFO ] State equation strengthened by 54 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality10283711984025309245.prop.
SDD proceeding with computation,38 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,38 properties remain. new max is 8
SDD size :4 after 7
SDD proceeding with computation,38 properties remain. new max is 16
SDD size :7 after 25
SDD proceeding with computation,38 properties remain. new max is 32
SDD size :25 after 37
SDD proceeding with computation,38 properties remain. new max is 64
SDD size :37 after 211
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 3 (OVERLAPS) 42/94 variables, 9/69 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 42/111 constraints. Problems are: Problem set: 0 solved, 37 unsolved
SDD proceeding with computation,38 properties remain. new max is 128
SDD size :211 after 19006
At refinement iteration 5 (INCLUDED_ONLY) 0/94 variables, 1/112 constraints. Problems are: Problem set: 0 solved, 37 unsolved
SDD proceeding with computation,38 properties remain. new max is 256
SDD size :19006 after 22036
SDD proceeding with computation,38 properties remain. new max is 512
SDD size :22036 after 30031
SDD proceeding with computation,38 properties remain. new max is 1024
SDD size :30031 after 45091
At refinement iteration 6 (INCLUDED_ONLY) 0/94 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 7 (OVERLAPS) 12/106 variables, 1/113 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/106 variables, 12/125 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/106 variables, 4/129 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/106 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 11 (OVERLAPS) 356/462 variables, 106/235 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 53/288 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 37 unsolved
At refinement iteration 14 (OVERLAPS) 1/463 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 37 unsolved
Reachability property qltransition_350 is true.
Reachability property qltransition_340 is true.
Reachability property qltransition_310 is true.
At refinement iteration 15 (INCLUDED_ONLY) 0/463 variables, 0/289 constraints. Problems are: Problem set: 2 solved, 35 unsolved
At refinement iteration 16 (OVERLAPS) 0/463 variables, 0/289 constraints. Problems are: Problem set: 2 solved, 35 unsolved
No progress, stopping.
After SMT solving in domain Real declared 463/463 variables, and 289 constraints, problems are : Problem set: 2 solved, 35 unsolved in 3257 ms.
Refiners :[Domain max(s): 106/106 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 106/106 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 37/37 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 35 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 2 solved, 35 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 8/58 constraints. Problems are: Problem set: 2 solved, 35 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/58 constraints. Problems are: Problem set: 2 solved, 35 unsolved
At refinement iteration 3 (OVERLAPS) 42/92 variables, 9/67 constraints. Problems are: Problem set: 2 solved, 35 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 42/109 constraints. Problems are: Problem set: 2 solved, 35 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/92 variables, 2/111 constraints. Problems are: Problem set: 2 solved, 35 unsolved
Reachability property qltransition_113 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_101 is true.
Reachability property qltransition_99 is true.
Reachability property qltransition_97 is true.
At refinement iteration 6 (INCLUDED_ONLY) 0/92 variables, 0/111 constraints. Problems are: Problem set: 7 solved, 30 unsolved
At refinement iteration 7 (OVERLAPS) 14/106 variables, 1/112 constraints. Problems are: Problem set: 7 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/106 variables, 14/126 constraints. Problems are: Problem set: 7 solved, 30 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/106 variables, 3/129 constraints. Problems are: Problem set: 7 solved, 30 unsolved
Reachability property qltransition_95 is true.
SDD proceeding with computation,29 properties remain. new max is 1024
At refinement iteration 10 (INCLUDED_ONLY) 0/106 variables, 0/129 constraints. Problems are: Problem set: 8 solved, 29 unsolved
SDD size :45091 after 2.4219e+06
At refinement iteration 11 (OVERLAPS) 356/462 variables, 106/235 constraints. Problems are: Problem set: 8 solved, 29 unsolved
SDD proceeding with computation,29 properties remain. new max is 2048
SDD size :2.4219e+06 after 2.46584e+06
At refinement iteration 12 (INCLUDED_ONLY) 0/462 variables, 53/288 constraints. Problems are: Problem set: 8 solved, 29 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/462 variables, 29/317 constraints. Problems are: Problem set: 8 solved, 29 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/462 variables, 0/317 constraints. Problems are: Problem set: 8 solved, 29 unsolved
At refinement iteration 15 (OVERLAPS) 1/463 variables, 1/318 constraints. Problems are: Problem set: 8 solved, 29 unsolved
Reachability property qltransition_180 is true.
At refinement iteration 16 (INCLUDED_ONLY) 0/463 variables, 1/319 constraints. Problems are: Problem set: 9 solved, 28 unsolved
Reachability property qltransition_154 is true.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 463/463 variables, and 319 constraints, problems are : Problem set: 10 solved, 27 unsolved in 5011 ms.
Refiners :[Domain max(s): 106/106 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 106/106 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 29/37 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8301ms problems are : Problem set: 10 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 41 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 386/386 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 21 place count 106 transition count 365
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 26 place count 101 transition count 340
Iterating global reduction 1 with 5 rules applied. Total rules applied 31 place count 101 transition count 340
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 43 place count 89 transition count 316
Iterating global reduction 1 with 12 rules applied. Total rules applied 55 place count 89 transition count 316
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 64 place count 89 transition count 307
Drop transitions (Redundant composition of simpler transitions.) removed 32 transitions
Redundant transition composition rules discarded 32 transitions
Iterating global reduction 2 with 32 rules applied. Total rules applied 96 place count 89 transition count 275
Free-agglomeration rule applied 10 times.
Iterating global reduction 2 with 10 rules applied. Total rules applied 106 place count 89 transition count 265
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 116 place count 79 transition count 265
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 3 with 11 rules applied. Total rules applied 127 place count 79 transition count 254
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 130 place count 79 transition count 254
Applied a total of 130 rules in 75 ms. Remains 79 /106 variables (removed 27) and now considering 254/386 (removed 132) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75 ms. Remains : 79/106 places, 254/386 transitions.
Reachability property qltransition_150 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_68 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_66 is true.
Reachability property qltransition_64 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_60 is true.
Reachability property qltransition_58 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_22 is true.
Reachability property qltransition_21 is true.
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :2.46584e+06 after 1.6119e+07
RANDOM walk for 4000000 steps (380998 resets) in 23980 ms. (166 steps per ms) remains 16/27 properties
BEST_FIRST walk for 400003 steps (3858 resets) in 936 ms. (426 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400002 steps (3847 resets) in 490 ms. (814 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (3866 resets) in 435 ms. (917 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (3873 resets) in 362 ms. (1101 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (4945 resets) in 518 ms. (770 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (3417 resets) in 367 ms. (1086 steps per ms) remains 15/16 properties
BEST_FIRST walk for 400003 steps (3449 resets) in 373 ms. (1069 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400004 steps (3409 resets) in 423 ms. (943 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400004 steps (3413 resets) in 401 ms. (995 steps per ms) remains 14/15 properties
BEST_FIRST walk for 400003 steps (3418 resets) in 367 ms. (1086 steps per ms) remains 13/14 properties
BEST_FIRST walk for 400004 steps (3427 resets) in 444 ms. (898 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400004 steps (3826 resets) in 407 ms. (980 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400004 steps (3835 resets) in 346 ms. (1152 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400003 steps (3835 resets) in 424 ms. (941 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400002 steps (3830 resets) in 403 ms. (990 steps per ms) remains 13/13 properties
BEST_FIRST walk for 400004 steps (3826 resets) in 348 ms. (1146 steps per ms) remains 13/13 properties
[2026-05-25 09:30:47] [INFO ] Flow matrix only has 242 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-10571233344132646412.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2742296336582532720.kers'
[2026-05-25 09:30:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10571233344132646412.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2742296336582532720.kers]
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 242 rows 72 cols 1033 entries
Finished phase 1 with 59 SingleSign rule and 2 generalized
[2026-05-25 09:30:47] [INFO ] Computed 18 invariants in 0 ms
Computed 18 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2742296336582532720.kers
Total runtime 1 ms.
[2026-05-25 09:30:47] [INFO ] State equation strengthened by 53 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 34/59 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 20/79 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 242/321 variables, 79/100 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/321 variables, 53/153 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/321 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/321 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 321/321 variables, and 153 constraints, problems are : Problem set: 0 solved, 12 unsolved in 765 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 79/79 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 34/59 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 20/79 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 242/321 variables, 79/100 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/321 variables, 53/153 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/321 variables, 12/165 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/321 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 0/321 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 321/321 variables, and 165 constraints, problems are : Problem set: 0 solved, 12 unsolved in 1026 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 79/79 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1810ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 11 different solutions.
Reachability property qltransition_322 is true.
Reachability property qltransition_212 is true.
Reachability property qltransition_204 is true.
Reachability property qltransition_196 is true.
Reachability property qltransition_188 is true.
Reachability property qltransition_168 is true.
Parikh walk visited 3 properties in 1331 ms.
Support contains 16 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 254/254 transitions.
Graph (complete) has 436 edges and 79 vertex of which 70 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 0 output transitions
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 4 place count 67 transition count 243
Iterating global reduction 0 with 3 rules applied. Total rules applied 7 place count 67 transition count 243
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 66 transition count 249
Free-agglomeration rule applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 14 place count 66 transition count 244
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 20 place count 61 transition count 243
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 61 transition count 241
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 1 with 7 rules applied. Total rules applied 29 place count 61 transition count 241
Applied a total of 29 rules in 32 ms. Remains 61 /79 variables (removed 18) and now considering 241/254 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 61/79 places, 241/254 transitions.
RANDOM walk for 4000000 steps (448485 resets) in 14393 ms. (277 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (42893 resets) in 2407 ms. (1661 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000003 steps (42899 resets) in 2442 ms. (1637 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000003 steps (45299 resets) in 3202 ms. (1248 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (41209 resets) in 2557 ms. (1563 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000003 steps (41216 resets) in 2644 ms. (1512 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (41032 resets) in 2457 ms. (1627 steps per ms) remains 6/6 properties
Finished probabilistic random walk after 124280 steps, run visited all 6 properties in 362 ms. (steps per millisecond=343 )
Probabilistic random walk after 124280 steps, saw 25033 distinct states, run finished after 366 ms. (steps per millisecond=339 ) properties seen :6
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 91 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 63458 ms.

BK_STOP 1779701460642

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -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="HealthRecord-PT-17"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is HealthRecord-PT-17, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r152-tall-177961077500417"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-17.tgz
mv HealthRecord-PT-17 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;