fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r178-oct2-177969020100372
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for MedleyB-PT-B12

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
10116.943 3600000.00 4186933.00 11607.60 F????TF????F???? normal

Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r178-oct2-177969020100372.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 MedleyB-PT-B12, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-oct2-177969020100372
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 125M
-rw-r--r-- 1 mcc users 6.9K Mar 7 18:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 7 18:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Mar 7 18:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 18:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 18:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 7 18:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 7 18:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 7 18:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 124M 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 MedleyB-PT-B12-LTLFireability-00
FORMULA_NAME MedleyB-PT-B12-LTLFireability-01
FORMULA_NAME MedleyB-PT-B12-LTLFireability-02
FORMULA_NAME MedleyB-PT-B12-LTLFireability-03
FORMULA_NAME MedleyB-PT-B12-LTLFireability-04
FORMULA_NAME MedleyB-PT-B12-LTLFireability-05
FORMULA_NAME MedleyB-PT-B12-LTLFireability-06
FORMULA_NAME MedleyB-PT-B12-LTLFireability-07
FORMULA_NAME MedleyB-PT-B12-LTLFireability-08
FORMULA_NAME MedleyB-PT-B12-LTLFireability-09
FORMULA_NAME MedleyB-PT-B12-LTLFireability-10
FORMULA_NAME MedleyB-PT-B12-LTLFireability-11
FORMULA_NAME MedleyB-PT-B12-LTLFireability-12
FORMULA_NAME MedleyB-PT-B12-LTLFireability-13
FORMULA_NAME MedleyB-PT-B12-LTLFireability-14
FORMULA_NAME MedleyB-PT-B12-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779711511014

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyB-PT-B12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-25 12:18:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 12:18:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 12:18:37] [INFO ] Load time of PNML (sax parser for PT used): 4559 ms
[2026-05-25 12:18:37] [INFO ] Transformed 1369 places.
[2026-05-25 12:18:38] [INFO ] Transformed 120590 transitions.
[2026-05-25 12:18:38] [INFO ] Found NUPN structural information;
[2026-05-25 12:18:38] [INFO ] Parsed PT model containing 1369 places and 120590 transitions and 2385506 arcs in 5324 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 53 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA MedleyB-PT-B12-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyB-PT-B12-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyB-PT-B12-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 60 out of 1369 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1369/1369 places, 120590/120590 transitions.
Discarding 173 places :
Symmetric choice reduction at 0 with 173 rule applications. Total rules 173 place count 1196 transition count 120417
Iterating global reduction 0 with 173 rules applied. Total rules applied 346 place count 1196 transition count 120417
Discarding 92 places :
Symmetric choice reduction at 0 with 92 rule applications. Total rules 438 place count 1104 transition count 120325
Iterating global reduction 0 with 92 rules applied. Total rules applied 530 place count 1104 transition count 120325
Discarding 20 places :
Symmetric choice reduction at 0 with 20 rule applications. Total rules 550 place count 1084 transition count 120305
Iterating global reduction 0 with 20 rules applied. Total rules applied 570 place count 1084 transition count 120305
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 580 place count 1074 transition count 120295
Iterating global reduction 0 with 10 rules applied. Total rules applied 590 place count 1074 transition count 120295
Applied a total of 590 rules in 4170 ms. Remains 1074 /1369 variables (removed 295) and now considering 120295/120590 (removed 295) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14583620464609189.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13895392560266355817.kers'
[2026-05-25 12:18:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14583620464609189.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13895392560266355817.kers]
Culled 0 columns in 243 ms.
// Phase 1: matrix 120295 rows 1074 cols 2384916 entries
Finished phase 1 with 1063 SingleSign rule and 0 generalized
[2026-05-25 12:18:45] [INFO ] Computed 11 invariants in 1798 ms
Computed 11 P flows in 1816 ms.
Exported basis to /tmp/petrispot-output-13895392560266355817.kers
Total runtime 2068 ms.
[2026-05-25 12:18:47] [INFO ] Implicit Places using invariants in 3864 ms returned []
Implicit Place search using SMT only with invariants took 3912 ms to find 0 implicit places.
Running 120294 sub problems to find dead transitions.
[2026-05-25 12:18:48] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1073/121369 variables, and 0 constraints, problems are : Problem set: 0 solved, 120294 unsolved in 31675 ms.
Refiners :[Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1074 constraints, PredecessorRefiner: 120294/1022 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120294 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1073/121369 variables, and 0 constraints, problems are : Problem set: 0 solved, 120294 unsolved in 31567 ms.
Refiners :[Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1074 constraints, PredecessorRefiner: 119272/1022 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2233155ms problems are : Problem set: 0 solved, 120294 unsolved
Search for dead transitions found 0 dead transitions in 2233658ms
Starting structural reductions in LTL mode, iteration 1 : 1074/1369 places, 120295/120590 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2242302 ms. Remains : 1074/1369 places, 120295/120590 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1074/1074 places, 120295/120295 transitions.
Applied a total of 0 rules in 657 ms. Remains 1074 /1074 variables (removed 0) and now considering 120295/120295 (removed 0) transitions.
[2026-05-25 12:56:02] [INFO ] Invariant cache hit.
[2026-05-25 12:56:02] [INFO ] Implicit Places using invariants in 737 ms returned []
Implicit Place search using SMT only with invariants took 739 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1407 ms. Remains : 1074/1074 places, 120295/120295 transitions.
Support contains 60 out of 1074 places after structural reductions.
[2026-05-25 12:56:13] [INFO ] Flatten gal took : 9372 ms
[2026-05-25 12:56:23] [INFO ] Flatten gal took : 9394 ms
[2026-05-25 12:56:43] [INFO ] Input system was already deterministic with 120295 transitions.
RANDOM walk for 40000 steps (234 resets) in 6179 ms. (6 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (8 resets) in 93 ms. (42 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 117 ms. (33 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 85 ms. (46 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (8 resets) in 100 ms. (39 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 81 ms. (48 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 83 ms. (47 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 99 ms. (40 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 83 ms. (47 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 73 ms. (54 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 49 ms. (80 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 50 ms. (78 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 60 ms. (65 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 58 ms. (67 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 52 ms. (75 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 83 ms. (47 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 85 ms. (46 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 81 ms. (48 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 76 ms. (52 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (8 resets) in 75 ms. (52 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 77 ms. (51 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (8 resets) in 72 ms. (54 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 86 ms. (46 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 72 ms. (54 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 32/32 properties
Interrupted probabilistic random walk after 16200 steps, run timeout after 6001 ms. (steps per millisecond=2 ) properties seen :0 out of 32
Probabilistic random walk after 16200 steps, saw 8249 distinct states, run finished after 6008 ms. (steps per millisecond=2 ) properties seen :0
[2026-05-25 12:56:53] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Problem AtomicPropp25 is UNSAT
At refinement iteration 1 (OVERLAPS) 1000/1060 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 31 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1060/121369 variables, and 10 constraints, problems are : Problem set: 1 solved, 31 unsolved in 6114 ms.
Refiners :[Positive P Invariants (semi-flows): 10/11 constraints, State Equation: 0/1074 constraints, PredecessorRefiner: 32/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 31 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 31 unsolved
At refinement iteration 1 (OVERLAPS) 1000/1060 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 31 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1060/121369 variables, and 10 constraints, problems are : Problem set: 1 solved, 31 unsolved in 5368 ms.
Refiners :[Positive P Invariants (semi-flows): 10/11 constraints, State Equation: 0/1074 constraints, PredecessorRefiner: 31/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13370ms problems are : Problem set: 1 solved, 31 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 60 out of 1074 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1074/1074 places, 120295/120295 transitions.
Graph (trivial) has 1043 edges and 1074 vertex of which 160 / 1074 are part of one of the 30 SCC in 28 ms
Free SCC test removed 130 places
Drop transitions (Empty/Sink Transition effects.) removed 180 transitions
Reduce isomorphic transitions removed 180 transitions.
Graph (complete) has 3166 edges and 944 vertex of which 934 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.412 ms
Discarding 10 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 609 transitions
Trivial Post-agglo rules discarded 609 transitions
Performed 609 trivial Post agglomeration. Transition count delta: 609
Iterating post reduction 0 with 619 rules applied. Total rules applied 621 place count 934 transition count 119496
Reduce places removed 609 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 629 rules applied. Total rules applied 1250 place count 325 transition count 119476
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 1260 place count 315 transition count 119476
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 51 Pre rules applied. Total rules applied 1260 place count 315 transition count 119425
Deduced a syphon composed of 51 places in 148 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 3 with 102 rules applied. Total rules applied 1362 place count 264 transition count 119425
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1363 place count 264 transition count 119424
Performed 39 Post agglomeration using F-continuation condition.
Performed 51 Post agglomeration using F-continuation condition.Transition count delta: 51
Deduced a syphon composed of 51 places in 69 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 4 with 102 rules applied. Total rules applied 1465 place count 213 transition count 119373
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 4 with 20 rules applied. Total rules applied 1485 place count 213 transition count 119353
Discarding 21 places :
Symmetric choice reduction at 5 with 21 rule applications. Total rules 1506 place count 192 transition count 119313
Iterating global reduction 5 with 21 rules applied. Total rules applied 1527 place count 192 transition count 119313
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1528 place count 192 transition count 119312
Discarding 10 places :
Symmetric choice reduction at 6 with 10 rule applications. Total rules 1538 place count 182 transition count 119302
Iterating global reduction 6 with 10 rules applied. Total rules applied 1548 place count 182 transition count 119302
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 34 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 1568 place count 172 transition count 119292
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 35 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 6 with 6 rules applied. Total rules applied 1574 place count 169 transition count 119300
Free-agglomeration rule applied 71 times.
Iterating global reduction 6 with 71 rules applied. Total rules applied 1645 place count 169 transition count 119229
Reduce places removed 71 places and 0 transitions.
Iterating post reduction 6 with 71 rules applied. Total rules applied 1716 place count 98 transition count 119229
Discarding 10 places :
Symmetric choice reduction at 7 with 10 rule applications. Total rules 1726 place count 88 transition count 119219
Iterating global reduction 7 with 10 rules applied. Total rules applied 1736 place count 88 transition count 119219
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 7 with 6 rules applied. Total rules applied 1742 place count 88 transition count 119219
Applied a total of 1742 rules in 61072 ms. Remains 88 /1074 variables (removed 986) and now considering 119219/120295 (removed 1076) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61077 ms. Remains : 88/1074 places, 119219/120295 transitions.
RANDOM walk for 40000 steps (2000 resets) in 32086 ms. (1 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4003 steps (8 resets) in 357 ms. (11 steps per ms) remains 30/31 properties
BEST_FIRST walk for 4004 steps (8 resets) in 230 ms. (17 steps per ms) remains 29/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 235 ms. (16 steps per ms) remains 28/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 223 ms. (17 steps per ms) remains 27/28 properties
BEST_FIRST walk for 4004 steps (2 resets) in 125 ms. (31 steps per ms) remains 26/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 309 ms. (12 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 248 ms. (16 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 233 ms. (17 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 214 ms. (18 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 196 ms. (20 steps per ms) remains 21/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 279 ms. (14 steps per ms) remains 20/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 199 ms. (20 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 198 ms. (20 steps per ms) remains 17/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 393 ms. (10 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4003 steps (8 resets) in 241 ms. (16 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 204 ms. (19 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 214 ms. (18 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 212 ms. (18 steps per ms) remains 12/13 properties
BEST_FIRST walk for 4004 steps (8 resets) in 205 ms. (19 steps per ms) remains 11/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 260 ms. (15 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 235 ms. (16 steps per ms) remains 9/10 properties
BEST_FIRST walk for 4003 steps (8 resets) in 222 ms. (17 steps per ms) remains 8/9 properties
BEST_FIRST walk for 4004 steps (0 resets) in 63 ms. (62 steps per ms) remains 7/8 properties
BEST_FIRST walk for 4004 steps (8 resets) in 197 ms. (20 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4004 steps (8 resets) in 306 ms. (13 steps per ms) remains 5/6 properties
BEST_FIRST walk for 4004 steps (8 resets) in 267 ms. (14 steps per ms) remains 4/5 properties
BEST_FIRST walk for 4004 steps (8 resets) in 225 ms. (17 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4004 steps (8 resets) in 205 ms. (19 steps per ms) remains 2/3 properties
BEST_FIRST walk for 4004 steps (8 resets) in 220 ms. (18 steps per ms) remains 1/2 properties
BEST_FIRST walk for 734 steps (0 resets) in 61 ms. (11 steps per ms) remains 0/1 properties
Successfully simplified 1 atomic propositions for a total of 13 simplifications.
Computed a total of 150 stabilizing places and 160 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)&&F((p2||(G(p2) U p3)))))'
Support contains 34 out of 1074 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1074/1074 places, 120295/120295 transitions.
Applied a total of 0 rules in 939 ms. Remains 1074 /1074 variables (removed 0) and now considering 120295/120295 (removed 0) transitions.
[2026-05-25 12:58:22] [INFO ] Invariant cache hit.
[2026-05-25 12:58:46] [INFO ] Implicit Places using invariants in 24924 ms returned []
Implicit Place search using SMT only with invariants took 24940 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 25893 ms. Remains : 1074/1074 places, 120295/120295 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)&&F((p2||(G(p2) U p3)))))'
Stuttering acceptance computed with spot in 498 ms :[(OR (NOT p1) (NOT p0) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p1), (AND (NOT p2) (NOT p3))]
Running random walk in product with property : MedleyB-PT-B12-LTLFireability-00
Stuttering criterion allowed to conclude after 176 steps with 0 reset in 33 ms.
FORMULA MedleyB-PT-B12-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyB-PT-B12-LTLFireability-00 finished in 27200 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p1)||p0))))'
Support contains 27 out of 1074 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1074/1074 places, 120295/120295 transitions.
Graph (trivial) has 1076 edges and 1074 vertex of which 160 / 1074 are part of one of the 30 SCC in 6 ms
Free SCC test removed 130 places
Ensure Unique test removed 150 transitions
Reduce isomorphic transitions removed 150 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 622 transitions
Trivial Post-agglo rules discarded 622 transitions
Performed 622 trivial Post agglomeration. Transition count delta: 622
Iterating post reduction 0 with 622 rules applied. Total rules applied 623 place count 943 transition count 119522
Reduce places removed 622 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 642 rules applied. Total rules applied 1265 place count 321 transition count 119502
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 1275 place count 311 transition count 119502
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 41 Pre rules applied. Total rules applied 1275 place count 311 transition count 119461
Deduced a syphon composed of 41 places in 120 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 3 with 82 rules applied. Total rules applied 1357 place count 270 transition count 119461
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 1366 place count 261 transition count 119452
Iterating global reduction 3 with 9 rules applied. Total rules applied 1375 place count 261 transition count 119452
Performed 38 Post agglomeration using F-continuation condition.
Performed 49 Post agglomeration using F-continuation condition.Transition count delta: 49
Deduced a syphon composed of 49 places in 48 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 3 with 98 rules applied. Total rules applied 1473 place count 212 transition count 119403
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 1493 place count 192 transition count 119373
Iterating global reduction 3 with 20 rules applied. Total rules applied 1513 place count 192 transition count 119373
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 1523 place count 182 transition count 119353
Iterating global reduction 3 with 10 rules applied. Total rules applied 1533 place count 182 transition count 119353
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 1543 place count 172 transition count 119333
Iterating global reduction 3 with 10 rules applied. Total rules applied 1553 place count 172 transition count 119333
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 14 places in 32 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 1581 place count 158 transition count 119340
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 1582 place count 157 transition count 119320
Iterating global reduction 3 with 1 rules applied. Total rules applied 1583 place count 157 transition count 119320
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 1584 place count 157 transition count 119319
Applied a total of 1584 rules in 65466 ms. Remains 157 /1074 variables (removed 917) and now considering 119319/120295 (removed 976) transitions.
[2026-05-25 12:59:53] [INFO ] Flow matrix only has 119308 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17635200062628425754.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9991737931115581364.kers'
[2026-05-25 12:59:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17635200062628425754.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9991737931115581364.kers]
Normalized transition count is 119307 out of 119308 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 244 ms.
// Phase 1: matrix 119307 rows 156 cols 2372735 entries
Finished phase 1 with 155 SingleSign rule and 0 generalized
[2026-05-25 12:59:56] [INFO ] Computed 2 invariants in 1849 ms
Computed 2 P flows in 1852 ms.
Exported basis to /tmp/petrispot-output-9991737931115581364.kers
Total runtime 2121 ms.
[2026-05-25 13:00:26] [INFO ] Implicit Places using invariants in 32352 ms returned []
Implicit Place search using SMT only with invariants took 32355 ms to find 0 implicit places.
Running 119302 sub problems to find dead transitions.
[2026-05-25 13:00:27] [INFO ] Flow matrix only has 119308 transitions (discarded 11 similar events)
[2026-05-25 13:00:27] [INFO ] Invariant cache hit.
[2026-05-25 13:08:33] [INFO ] State equation strengthened by 1023 read => feed constraints.

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="MedleyB-PT-B12"
export BK_EXAMINATION="LTLFireability"
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 MedleyB-PT-B12, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r178-oct2-177969020100372"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyB-PT-B12.tgz
mv MedleyB-PT-B12 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;