About the Execution of ITS-Tools for DES-PT-20b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 801.520 | 106578.00 | 227224.00 | 251.20 | TFTFTTTTTTFTFFTT | normal |
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.r082-smll-177946993700391.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 DES-PT-20b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993700391
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 8.0K Mar 6 18:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 6 18:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 18:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 18:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Mar 6 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 18:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:57 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 91K 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 DES-PT-20b-ReachabilityFireability-2024-00
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-01
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-02
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-03
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-04
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-05
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-06
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-07
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-08
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-09
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-10
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-11
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-12
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-13
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-14
FORMULA_NAME DES-PT-20b-ReachabilityFireability-2024-15
=== Now, execution of the tool begins
BK_START 1779692470940
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-20b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 07:01:12] [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 07:01:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 07:01:13] [INFO ] Load time of PNML (sax parser for PT used): 133 ms
[2026-05-25 07:01:13] [INFO ] Transformed 360 places.
[2026-05-25 07:01:13] [INFO ] Transformed 311 transitions.
[2026-05-25 07:01:13] [INFO ] Found NUPN structural information;
[2026-05-25 07:01:13] [INFO ] Parsed PT model containing 360 places and 311 transitions and 987 arcs in 302 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (338 resets) in 1764 ms. (22 steps per ms) remains 6/16 properties
FORMULA DES-PT-20b-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-20b-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (54 resets) in 760 ms. (52 steps per ms) remains 6/6 properties
[2026-05-25 07:01:14] [INFO ] Flatten gal took : 254 ms
BEST_FIRST walk for 40004 steps (42 resets) in 258 ms. (154 steps per ms) remains 5/6 properties
FORMULA DES-PT-20b-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-25 07:01:14] [INFO ] Flatten gal took : 102 ms
[2026-05-25 07:01:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1357126247607408090.gal : 75 ms
[2026-05-25 07:01:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9823657137618509636.prop : 13 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/ReachabilityCardinality1357126247607408090.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9823657137618509636.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9823657137618509636.prop.
BEST_FIRST walk for 40002 steps (51 resets) in 1804 ms. (22 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :3 after 4
BEST_FIRST walk for 40003 steps (48 resets) in 137 ms. (289 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :4 after 16
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :16 after 19
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :19 after 35
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :35 after 169
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :169 after 235
BEST_FIRST walk for 40004 steps (56 resets) in 188 ms. (211 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :235 after 1349
BEST_FIRST walk for 40004 steps (45 resets) in 384 ms. (103 steps per ms) remains 4/5 properties
FORMULA DES-PT-20b-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1220918138407582866.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1513915255644266701.kers'
[2026-05-25 07:01:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1220918138407582866.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1513915255644266701.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 311 rows 360 cols 987 entries
Finished phase 1 with 171 SingleSign rule and 124 generalized
[2026-05-25 07:01:14] [INFO ] Computed 65 invariants in 2 ms
Computed 65 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1513915255644266701.kers
Total runtime 5 ms.
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :1349 after 22055
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 84/84 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 236/320 variables, 41/125 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/320 variables, 236/361 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/320 variables, 2/363 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/320 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 40/360 variables, 22/385 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/360 variables, 40/425 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/360 variables, 0/425 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :22055 after 206107
At refinement iteration 9 (OVERLAPS) 311/671 variables, 360/785 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/671 variables, 0/785 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SMT process timed out in 5272ms, After SMT, problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 84 out of 360 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 360/360 places, 311/311 transitions.
Graph (complete) has 741 edges and 360 vertex of which 353 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.3 ms
Discarding 7 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 353 transition count 301
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 349 transition count 300
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 13 place count 348 transition count 300
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 9 Pre rules applied. Total rules applied 13 place count 348 transition count 291
Deduced a syphon composed of 9 places in 3 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 31 place count 339 transition count 291
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 44 place count 326 transition count 278
Iterating global reduction 3 with 13 rules applied. Total rules applied 57 place count 326 transition count 278
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 65 place count 318 transition count 270
Iterating global reduction 3 with 8 rules applied. Total rules applied 73 place count 318 transition count 270
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 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 3 with 8 rules applied. Total rules applied 81 place count 318 transition count 262
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 82 place count 317 transition count 262
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: 27
Deduced a syphon composed of 27 places in 1 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 5 with 54 rules applied. Total rules applied 136 place count 290 transition count 235
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 137 place count 290 transition count 234
Free-agglomeration rule applied 6 times.
Iterating global reduction 5 with 6 rules applied. Total rules applied 143 place count 290 transition count 228
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 5 with 6 rules applied. Total rules applied 149 place count 284 transition count 228
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 6 with 2 rules applied. Total rules applied 151 place count 284 transition count 226
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 153 place count 282 transition count 226
Applied a total of 153 rules in 244 ms. Remains 282 /360 variables (removed 78) and now considering 226/311 (removed 85) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 264 ms. Remains : 282/360 places, 226/311 transitions.
RANDOM walk for 40000 steps (448 resets) in 803 ms. (49 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (75 resets) in 371 ms. (107 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (73 resets) in 315 ms. (126 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (61 resets) in 254 ms. (156 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (85 resets) in 141 ms. (281 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 532710 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 4
Probabilistic random walk after 532710 steps, saw 82538 distinct states, run finished after 3011 ms. (steps per millisecond=176 ) 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-13224934716735662325.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7885884794494701743.kers'
[2026-05-25 07:01:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13224934716735662325.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7885884794494701743.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 226 rows 282 cols 823 entries
Finished phase 1 with 93 SingleSign rule and 125 generalized
[2026-05-25 07:01:24] [INFO ] Computed 64 invariants in 2 ms
Computed 64 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7885884794494701743.kers
Total runtime 3 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 102/186 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 96/282 variables, 24/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/282 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 226/508 variables, 282/346 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/508 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/508 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 508/508 variables, and 346 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1667 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 282/282 constraints, PredecessorRefiner: 4/2 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) 0/84 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem DES-PT-20b-ReachabilityFireability-2024-07 is UNSAT
FORMULA DES-PT-20b-ReachabilityFireability-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 102/186 variables, 38/38 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 2/40 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/186 variables, 5/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 0/45 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 96/282 variables, 24/69 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/282 variables, 4/73 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/282 variables, 1/74 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/282 variables, 0/74 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 226/508 variables, 282/356 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/508 variables, 2/358 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/508 variables, 7/365 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/508 variables, 1/366 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/508 variables, 1/367 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem DES-PT-20b-ReachabilityFireability-2024-13 is UNSAT
FORMULA DES-PT-20b-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 14 (INCLUDED_ONLY) 0/508 variables, 3/370 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/508 variables, 1/371 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/508 variables, 0/371 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/508 variables, 0/371 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 508/508 variables, and 371 constraints, problems are : Problem set: 2 solved, 2 unsolved in 5951 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 282/282 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 7659ms problems are : Problem set: 2 solved, 2 unsolved
Parikh walk visited 0 properties in 1934 ms.
Support contains 39 out of 282 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 282/282 places, 226/226 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 282 transition count 224
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 280 transition count 223
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 279 transition count 223
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 3 Pre rules applied. Total rules applied 6 place count 279 transition count 220
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 12 place count 276 transition count 220
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 13 place count 275 transition count 219
Iterating global reduction 3 with 1 rules applied. Total rules applied 14 place count 275 transition count 219
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 15 place count 274 transition count 218
Iterating global reduction 3 with 1 rules applied. Total rules applied 16 place count 274 transition count 218
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 17 place count 274 transition count 217
Performed 31 Post agglomeration using F-continuation condition.Transition count delta: 31
Deduced a syphon composed of 31 places in 0 ms
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 4 with 62 rules applied. Total rules applied 79 place count 243 transition count 186
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 83 place count 241 transition count 187
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 86 place count 241 transition count 184
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 4 with 8 rules applied. Total rules applied 94 place count 238 transition count 179
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 95 place count 238 transition count 178
Applied a total of 95 rules in 93 ms. Remains 238 /282 variables (removed 44) and now considering 178/226 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 238/282 places, 178/226 transitions.
RANDOM walk for 40000 steps (691 resets) in 303 ms. (131 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (137 resets) in 262 ms. (152 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (151 resets) in 80 ms. (493 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 807197 steps, run timeout after 3001 ms. (steps per millisecond=268 ) properties seen :0 out of 2
Probabilistic random walk after 807197 steps, saw 120123 distinct states, run finished after 3001 ms. (steps per millisecond=268 ) 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-9373471939283571851.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9747872524082535856.kers'
[2026-05-25 07:01:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9373471939283571851.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9747872524082535856.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 178 rows 238 cols 728 entries
Finished phase 1 with 46 SingleSign rule and 128 generalized
[2026-05-25 07:01:36] [INFO ] Computed 64 invariants in 1 ms
Computed 64 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9747872524082535856.kers
Total runtime 2 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 78/117 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 14/131 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/131 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 107/238 variables, 25/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 178/416 variables, 238/302 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/416 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/416 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 416/416 variables, and 302 constraints, problems are : Problem set: 0 solved, 2 unsolved in 623 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 238/238 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 78/117 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/117 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 14/131 variables, 6/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/131 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 107/238 variables, 25/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 178/416 variables, 238/302 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/416 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/416 variables, 3/306 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/416 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/416 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/416 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 416/416 variables, and 307 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1605 ms.
Refiners :[Positive P Invariants (semi-flows): 38/38 constraints, Generalized P Invariants (flows): 26/26 constraints, State Equation: 238/238 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2247ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
FORMULA DES-PT-20b-ReachabilityFireability-2024-02 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 546 ms.
Support contains 2 out of 238 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 238/238 places, 178/178 transitions.
Graph (complete) has 632 edges and 238 vertex of which 234 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 234 transition count 171
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 13 place count 228 transition count 171
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 13 place count 228 transition count 167
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 21 place count 224 transition count 167
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 24 place count 221 transition count 164
Iterating global reduction 2 with 3 rules applied. Total rules applied 27 place count 221 transition count 164
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 28 place count 221 transition count 163
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 1 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 62 place count 204 transition count 146
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 64 place count 203 transition count 147
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 66 place count 203 transition count 145
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 71 place count 201 transition count 142
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 72 place count 201 transition count 142
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 73 place count 200 transition count 141
Applied a total of 73 rules in 61 ms. Remains 200 /238 variables (removed 38) and now considering 141/178 (removed 37) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62 ms. Remains : 200/238 places, 141/178 transitions.
RANDOM walk for 40000 steps (1412 resets) in 159 ms. (250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (333 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1333386 steps, run timeout after 3001 ms. (steps per millisecond=444 ) properties seen :0 out of 1
Probabilistic random walk after 1333386 steps, saw 168750 distinct states, run finished after 3001 ms. (steps per millisecond=444 ) 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-1551826861056689519.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16916310398609558508.kers'
[2026-05-25 07:01:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1551826861056689519.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16916310398609558508.kers]
Culling duplicate invariants (modulo rational): removing 28 columns.
Culled 28 columns in 0 ms.
// Phase 1: matrix 141 rows 172 cols 540 entries
Finished phase 1 with 106 SingleSign rule and 33 generalized
[2026-05-25 07:01:42] [INFO ] Computed 61 invariants in 1 ms
Computed 61 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16916310398609558508.kers
Total runtime 3 ms.
[2026-05-25 07:01:42] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 79/88 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 22/110 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/110 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 4/114 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/114 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 39/153 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/153 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 17/170 variables, 17/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/170 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 119/289 variables, 170/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/289 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/289 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 11/300 variables, 8/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/300 variables, 3/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/300 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/322 variables, 3/242 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/322 variables, 1/243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/322 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 19/341 variables, 19/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/341 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/341 variables, 0/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 262 constraints, problems are : Problem set: 0 solved, 1 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 200/200 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 79/88 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 22/110 variables, 14/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/110 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 4/114 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/114 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 39/153 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/153 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/153 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 17/170 variables, 17/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/170 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/170 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 119/289 variables, 170/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/289 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/289 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/289 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 11/300 variables, 8/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/300 variables, 3/242 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/300 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 22/322 variables, 3/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/322 variables, 1/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/322 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 19/341 variables, 19/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/341 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/341 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 265 constraints, problems are : Problem set: 0 solved, 1 unsolved in 471 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 200/200 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 720ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 2 out of 200 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 141/141 transitions.
Applied a total of 0 rules in 8 ms. Remains 200 /200 variables (removed 0) and now considering 141/141 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 200/200 places, 141/141 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 141/141 transitions.
Applied a total of 0 rules in 7 ms. Remains 200 /200 variables (removed 0) and now considering 141/141 (removed 0) transitions.
[2026-05-25 07:01:43] [INFO ] Invariant cache hit.
[2026-05-25 07:01:43] [INFO ] Implicit Places using invariants in 249 ms returned []
[2026-05-25 07:01:43] [INFO ] Invariant cache hit.
[2026-05-25 07:01:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 07:01:44] [INFO ] Implicit Places using invariants and state equation in 394 ms returned []
Implicit Place search using SMT with State Equation took 664 ms to find 0 implicit places.
[2026-05-25 07:01:44] [INFO ] Redundant transitions in 5 ms returned []
Running 138 sub problems to find dead transitions.
[2026-05-25 07:01:44] [INFO ] Invariant cache hit.
[2026-05-25 07:01:44] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/197 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (OVERLAPS) 1/198 variables, 3/51 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 138 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 1/199 variables, 11/62 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 8 (OVERLAPS) 141/340 variables, 199/261 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/340 variables, 1/262 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/340 variables, 1/263 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/340 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/340 variables, 2/266 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/340 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 14 (OVERLAPS) 1/341 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/341 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 16 (OVERLAPS) 0/341 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 138 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 267 constraints, problems are : Problem set: 0 solved, 138 unsolved in 15310 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 200/200 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 138 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/197 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/197 variables, 5/52 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/197 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (OVERLAPS) 1/198 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (OVERLAPS) 1/199 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 9 (OVERLAPS) 141/340 variables, 199/266 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/340 variables, 1/267 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/340 variables, 138/405 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/340 variables, 1/406 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 340/341 variables, and 408 constraints, problems are : Problem set: 0 solved, 138 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 199/200 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45422ms problems are : Problem set: 0 solved, 138 unsolved
Search for dead transitions found 0 dead transitions in 45425ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46149 ms. Remains : 200/200 places, 141/141 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 659 edges and 200 vertex of which 199 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 199 transition count 141
Applied a total of 2 rules in 16 ms. Remains 199 /200 variables (removed 1) and now considering 141/141 (removed 0) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9723994278628059782.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1266150570788116926.kers'
[2026-05-25 07:02:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9723994278628059782.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1266150570788116926.kers]
Culling duplicate invariants (modulo rational): removing 27 columns.
Culled 27 columns in 0 ms.
// Phase 1: matrix 141 rows 172 cols 541 entries
Finished phase 1 with 106 SingleSign rule and 33 generalized
[2026-05-25 07:02:29] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-1266150570788116926.kers
Total runtime 4 ms.
[2026-05-25 07:02:29] [INFO ] [Real]Absence check using 39 positive place invariants in 18 ms returned sat
[2026-05-25 07:02:29] [INFO ] [Real]Absence check using 39 positive and 21 generalized place invariants in 20 ms returned sat
[2026-05-25 07:02:29] [INFO ] After 125ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-25 07:02:30] [INFO ] [Nat]Absence check using 39 positive place invariants in 12 ms returned sat
[2026-05-25 07:02:30] [INFO ] [Nat]Absence check using 39 positive and 21 generalized place invariants in 19 ms returned sat
[2026-05-25 07:02:30] [INFO ] After 126ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 07:02:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 128 ms
TRAPS : Iteration 1
[2026-05-25 07:02:30] [INFO ] After 299ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 07:02:30] [INFO ] After 406ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-25 07:02:30] [INFO ] Flatten gal took : 33 ms
[2026-05-25 07:02:30] [INFO ] Flatten gal took : 29 ms
[2026-05-25 07:02:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8355317562275209753.gal : 10 ms
[2026-05-25 07:02:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8113928856946983850.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/ReachabilityCardinality8355317562275209753.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8113928856946983850.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8113928856946983850.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 6
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6 after 14
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :14 after 37
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :37 after 52
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :52 after 2660
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2660 after 4396
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4396 after 153436
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :153436 after 489020
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.68596e+06 after 3.89796e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3.89796e+06 after 5.03129e+09
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :5.56102e+09 after 5.56319e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :5.7065e+09 after 4.91932e+10
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :5.35656e+10 after 1.89594e+11
Reachability property DES-PT-20b-ReachabilityFireability-2024-14 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 32769 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,4.86714e+11,11.1364,198564,2,115213,25,886844,6,0,935,883385,0
Total reachable state count : 486714365564
Verifying 1 reachability properties.
Reachability property DES-PT-20b-ReachabilityFireability-2024-14 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-20b-ReachabilityFireability-2024-14,1,11.1761,198564,2,200,25,886844,7,0,941,883385,0
Over-approximation ignoring read arcs solved 0 properties in 11928 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 07:02:41] [INFO ] Flatten gal took : 32 ms
[2026-05-25 07:02:41] [INFO ] Applying decomposition
[2026-05-25 07:02:41] [INFO ] Flatten gal took : 27 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph16673219822400206229.txt' '-o' '/tmp/graph16673219822400206229.bin' '-w' '/tmp/graph16673219822400206229.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph16673219822400206229.bin' '-l' '-1' '-v' '-w' '/tmp/graph16673219822400206229.weights' '-q' '0' '-e' '0.001'
[2026-05-25 07:02:42] [INFO ] Decomposing Gal with order
[2026-05-25 07:02:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 07:02:42] [INFO ] Removed a total of 33 redundant transitions.
[2026-05-25 07:02:42] [INFO ] Flatten gal took : 187 ms
[2026-05-25 07:02:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 16 ms.
[2026-05-25 07:02:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5423387020885292497.gal : 18 ms
[2026-05-25 07:02:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13287344003715423632.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/ReachabilityCardinality5423387020885292497.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13287344003715423632.prop' '--nowitness'
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 ...308
Loading property file /tmp/ReachabilityCardinality13287344003715423632.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :5 after 373
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :373 after 4377
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4377 after 2.84447e+07
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2.84447e+07 after 3.4815e+10
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.47668e+16 after 2.47784e+16
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6.60809e+19 after 6.60827e+19
Reachability property DES-PT-20b-ReachabilityFireability-2024-14 is true.
FORMULA DES-PT-20b-ReachabilityFireability-2024-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 513 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,5.68745e+20,15.0145,299940,15663,594,424463,5366,727,2.15826e+06,234,15943,0
Total reachable state count : 568745228259416709632
Verifying 1 reachability properties.
Reachability property DES-PT-20b-ReachabilityFireability-2024-14 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DES-PT-20b-ReachabilityFireability-2024-14,1.87081e+13,15.0581,300204,720,203,424463,5366,735,2.15826e+06,241,15943,0
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 104757 ms.
BK_STOP 1779692577518
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DES-PT-20b"
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 DES-PT-20b, 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 r082-smll-177946993700391"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-20b.tgz
mv DES-PT-20b 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 '
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 ;