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.r146-tall-177961074300631.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 HealthRecord-PT-12, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074300631
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 6.2K Mar 7 13:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 7 13:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 13:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 7 13:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 13:19 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 132K Mar 7 13:19 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 7 13:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 7 13:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:44 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 71K 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

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

=== Now, execution of the tool begins

BK_START 1779737012819

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HealthRecord-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 19:23:33] [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]
[2026-05-25 19:23:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 19:23:34] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2026-05-25 19:23:34] [INFO ] Transformed 160 places.
[2026-05-25 19:23:34] [INFO ] Transformed 340 transitions.
[2026-05-25 19:23:34] [INFO ] Found NUPN structural information;
[2026-05-25 19:23:34] [INFO ] Parsed PT model containing 160 places and 340 transitions and 895 arcs in 155 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 28 transitions
Reduce redundant transitions removed 28 transitions.
[2026-05-25 19:23:34] [INFO ] Flatten gal took : 81 ms
RANDOM walk for 40000 steps (2863 resets) in 1492 ms. (26 steps per ms) remains 11/16 properties
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 19:23:34] [INFO ] Flatten gal took : 62 ms
BEST_FIRST walk for 40003 steps (365 resets) in 319 ms. (125 steps per ms) remains 11/11 properties
[2026-05-25 19:23:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15466362433406549675.gal : 30 ms
BEST_FIRST walk for 40003 steps (354 resets) in 221 ms. (180 steps per ms) remains 11/11 properties
[2026-05-25 19:23:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13274979085160569852.prop : 2 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/ReachabilityCardinality15466362433406549675.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13274979085160569852.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (359 resets) in 96 ms. (412 steps per ms) remains 11/11 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
Loading property file /tmp/ReachabilityCardinality13274979085160569852.prop.
BEST_FIRST walk for 40003 steps (360 resets) in 174 ms. (228 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :4 after 13
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :13 after 49
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :49 after 2917
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :2917 after 15553
BEST_FIRST walk for 40004 steps (278 resets) in 590 ms. (67 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (358 resets) in 92 ms. (430 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (355 resets) in 120 ms. (330 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (350 resets) in 145 ms. (274 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (361 resets) in 82 ms. (481 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :15553 after 17497
BEST_FIRST walk for 40004 steps (352 resets) in 84 ms. (470 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (362 resets) in 96 ms. (412 steps per ms) remains 11/11 properties
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :17497 after 21385
[2026-05-25 19:23:35] [INFO ] Flow matrix only has 300 transitions (discarded 12 similar events)
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :21385 after 27217
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5225301947920009170.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8976371672610039500.kers'
[2026-05-25 19:23:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5225301947920009170.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8976371672610039500.kers]
Normalized transition count is 299 out of 300 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 299 rows 153 cols 792 entries
Finished phase 1 with 140 SingleSign rule and 2 generalized
[2026-05-25 19:23:35] [INFO ] Computed 18 invariants in 2 ms
Computed 18 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-8976371672610039500.kers
Total runtime 3 ms.
[2026-05-25 19:23:35] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :27217 after 64801
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :64801 after 148225
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 81/81 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 51/132 variables, 8/91 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 51/142 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 28/160 variables, 8/150 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 28/178 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :148225 after 319753
At refinement iteration 10 (OVERLAPS) 299/459 variables, 160/338 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/459 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (OVERLAPS) 1/460 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :319753 after 1.2907e+06
At refinement iteration 13 (INCLUDED_ONLY) 0/460 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 0/460 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 460/460 variables, and 339 constraints, problems are : Problem set: 0 solved, 11 unsolved in 1554 ms.
Refiners :[Domain max(s): 160/160 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 160/160 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 11/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 81/81 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/81 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 51/132 variables, 8/91 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 51/142 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 32768
SDD size :1.2907e+06 after 5.06378e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 6/148 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 1/150 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 28/160 variables, 8/158 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/160 variables, 28/186 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Reachability property HealthRecord-PT-12-ReachabilityFireability-2024-12 is true.
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property HealthRecord-PT-12-ReachabilityFireability-2024-05 is true.
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 12 (INCLUDED_ONLY) 0/160 variables, 20/206 constraints. Problems are: Problem set: 2 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 160/460 variables, and 214 constraints, problems are : Problem set: 2 solved, 9 unsolved in 5009 ms.
Refiners :[Domain max(s): 160/160 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 0/160 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 3/8 constraints, Known Traps: 36/36 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6706ms problems are : Problem set: 2 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 81 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 312/312 transitions.
Graph (trivial) has 38 edges and 160 vertex of which 6 / 160 are part of one of the 3 SCC in 11 ms
Free SCC test removed 3 places
Drop transitions (Empty/Sink Transition effects.) removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Graph (complete) has 680 edges and 157 vertex of which 149 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.2 ms
Discarding 8 places :
Also discarding 0 output 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 0 with 1 rules applied. Total rules applied 3 place count 149 transition count 292
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 5 place count 148 transition count 291
Discarding 41 places :
Symmetric choice reduction at 2 with 41 rule applications. Total rules 46 place count 107 transition count 209
Iterating global reduction 2 with 41 rules applied. Total rules applied 87 place count 107 transition count 209
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 89 place count 105 transition count 205
Iterating global reduction 2 with 2 rules applied. Total rules applied 91 place count 105 transition count 205
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 92 place count 105 transition count 204
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 94 place count 104 transition count 203
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 96 place count 104 transition count 201
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 97 place count 104 transition count 201
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 98 place count 104 transition count 200
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 99 place count 103 transition count 199
Iterating global reduction 3 with 1 rules applied. Total rules applied 100 place count 103 transition count 199
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 101 place count 103 transition count 199
Applied a total of 101 rules in 82 ms. Remains 103 /160 variables (removed 57) and now considering 199/312 (removed 113) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 103/160 places, 199/312 transitions.
RANDOM walk for 40000 steps (3113 resets) in 337 ms. (118 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (391 resets) in 120 ms. (330 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (395 resets) in 151 ms. (263 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (388 resets) in 70 ms. (563 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (405 resets) in 97 ms. (408 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (292 resets) in 103 ms. (384 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (387 resets) in 155 ms. (256 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (397 resets) in 152 ms. (261 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (398 resets) in 187 ms. (212 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (391 resets) in 124 ms. (320 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 931259 steps, run timeout after 3001 ms. (steps per millisecond=310 ) properties seen :0 out of 9
Probabilistic random walk after 931259 steps, saw 127742 distinct states, run finished after 3006 ms. (steps per millisecond=309 ) 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-770151758082010555.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9402995480055654221.kers'
[2026-05-25 19:23:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-770151758082010555.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9402995480055654221.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 199 rows 102 cols 583 entries
Finished phase 1 with 93 SingleSign rule and 0 generalized
[2026-05-25 19:23:45] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9402995480055654221.kers
Total runtime 1 ms.
[2026-05-25 19:23:45] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 22/103 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 199/302 variables, 103/113 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/302 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/302 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/302 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 302/302 variables, and 114 constraints, problems are : Problem set: 0 solved, 9 unsolved in 460 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 22/103 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 20/30 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 7/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 199/302 variables, 103/140 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/302 variables, 1/141 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/302 variables, 7/148 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/302 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 0/302 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 302/302 variables, and 148 constraints, problems are : Problem set: 0 solved, 9 unsolved in 3053 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 103/103 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/7 constraints, Known Traps: 27/27 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3551ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 8 different solutions.
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-04 FALSE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-15 FALSE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 5 properties in 1090 ms.
Support contains 47 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 199/199 transitions.
Graph (complete) has 418 edges and 103 vertex of which 101 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 101 transition count 198
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 100 transition count 198
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 23 place count 80 transition count 158
Iterating global reduction 0 with 20 rules applied. Total rules applied 43 place count 80 transition count 158
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 44 place count 80 transition count 157
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 45 place count 79 transition count 157
Applied a total of 45 rules in 13 ms. Remains 79 /103 variables (removed 24) and now considering 157/199 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 79/103 places, 157/199 transitions.
RANDOM walk for 40000 steps (3427 resets) in 262 ms. (152 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (444 resets) in 73 ms. (540 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (448 resets) in 34 ms. (1142 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (457 resets) in 51 ms. (769 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (440 resets) in 34 ms. (1142 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 1168817 steps, run timeout after 3001 ms. (steps per millisecond=389 ) properties seen :0 out of 4
Probabilistic random walk after 1168817 steps, saw 153842 distinct states, run finished after 3004 ms. (steps per millisecond=389 ) properties seen :0
[2026-05-25 19:23:53] [INFO ] Flow matrix only has 156 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2701975190809397508.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11468132597890830586.kers'
[2026-05-25 19:23:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2701975190809397508.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11468132597890830586.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 156 rows 79 cols 488 entries
Finished phase 1 with 69 SingleSign rule and 2 generalized
[2026-05-25 19:23:53] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11468132597890830586.kers
Total runtime 2 ms.
[2026-05-25 19:23:53] [INFO ] State equation strengthened by 3 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 32/79 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 156/235 variables, 79/87 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 3/90 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/235 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 90 constraints, problems are : Problem set: 0 solved, 4 unsolved in 171 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 79/79 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 32/79 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 156/235 variables, 79/87 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/235 variables, 3/90 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/235 variables, 3/93 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/235 variables, 10/103 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/235 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/235 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 0/235 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 235/235 variables, and 104 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1201 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 79/79 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1388ms problems are : Problem set: 0 solved, 4 unsolved
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-02 FALSE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-03 TRUE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 204 ms.
Support contains 25 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 157/157 transitions.
Graph (trivial) has 37 edges and 79 vertex of which 2 / 79 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 18 place count 61 transition count 122
Iterating global reduction 0 with 17 rules applied. Total rules applied 35 place count 61 transition count 122
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 39 place count 61 transition count 118
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 42 place count 58 transition count 111
Iterating global reduction 1 with 3 rules applied. Total rules applied 45 place count 58 transition count 111
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 47 place count 56 transition count 106
Iterating global reduction 1 with 2 rules applied. Total rules applied 49 place count 56 transition count 106
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 52 place count 56 transition count 103
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 55 transition count 101
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 55 transition count 101
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 57 place count 55 transition count 98
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 58 place count 55 transition count 97
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 60 place count 55 transition count 95
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 62 place count 53 transition count 95
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 72 place count 53 transition count 95
Applied a total of 72 rules in 18 ms. Remains 53 /79 variables (removed 26) and now considering 95/157 (removed 62) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 53/79 places, 95/157 transitions.
RANDOM walk for 40000 steps (3203 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (461 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 104688 steps, run visited all 1 properties in 92 ms. (steps per millisecond=1137 )
Probabilistic random walk after 104688 steps, saw 18400 distinct states, run finished after 96 ms. (steps per millisecond=1090 ) properties seen :1
FORMULA HealthRecord-PT-12-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 21213 ms.

BK_STOP 1779737035175

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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="HealthRecord-PT-12"
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 HealthRecord-PT-12, 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 r146-tall-177961074300631"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-12.tgz
mv HealthRecord-PT-12 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 ;